  The Linux Modem-HOWTO
  David S.Lawyer    <mailto:dave@lafn.org>
  v0.08, 4 January 2000
  Ƃ can-s@geocities.jp
  2000N 2 4

  PC ̃fIAڑAݒAguV[eBOAăf
  ۂɁA͖̕𗧂܂B}`|[gVA{[hɊւ
  ́ASerial-HOWTO QƂĂB
  ______________________________________________________________________

  ڎ

  1. ͂߂
     1.1 DSL fAP[uA ISDN f͑ HOWTO ɂ܂
     1.2 PCMCIA f PPP ɂ͂Ă͏Ă܂
     1.3 쌠AƐӎAo^WуNWbg
        1.3.1 쌠
        1.3.2 Ɛӎ
        1.3.3 o^W
        1.3.4 NWbg
     1.4 ҂ւ̘A
     1.5  HOWTO ̐Vo[W
     1.6 fƂ ?
     1.7 NCbNCXg[
        1.7.1 Otf̃CXg[
        1.7.2 (ISA oXp)f
        1.7.3 ׂẴfɋʂ̐ݒ

  2. Linux PC p̃f
     2.1 ƊOt̂ǂ炪ǂ̂
     2.2 Otf
        2.2.1 PnP Otf
        2.2.2 P[uڑƃCXg[
        2.2.3 Cg (LED) ̈Ӗ
     2.3 f
     2.4 ()\tgEFAf
     2.5 PCI f
     2.6 Linux œ삵Ȃf?
        2.6.1 MWave  DSP f
        2.6.2 Rockwell (RPI) hCo

  3. }`|[gf{[h
  4. fƃVA|[g̊b
     4.1 f̃fW^-AiOϊ(т̋t)
     4.2 VA|[gƂ?
        4.2.1 VÅb
        4.2.2 sƔz
        4.2.3 f̃VA|[g
     4.3 IO AhX IRQ
     4.4 O: ttyS0, ttyS1 Ȃ
     4.5 
     4.6 (fɂ)f[^k
     4.7 G[
     4.8 f[^t[(x)
     4.9 t[
        4.9.1 t[̗
        4.9.2 n[hEFAt[΃\tgEFAt[
        4.9.3 t[䂪ȂƂ̏Ǐ
        4.9.4 fԂ̃t[
     4.10 f[^t[oH - obt@
     4.11 fR}h
     4.12 VA\tgEFA: foCXhCoW[

  5. ݒ̊Tv
  6. VA|[g̐ݒ
     6.1 PCI oX͂܂T|[gĂ܂
     6.2 ݒ̊Tv
     6.3 ӂꂽԈႢŋN჌xݒ̂蒼
     6.4 I/O AhX IRQ: ÑbZ[W
     6.5 VA|[ǧ݂ I/O AhX IRQ ̐ݒ?
        6.5.1 foCXhCo̐ݒ?
        6.5.2 VA|[g̃n[hEFA̐ݒ?
        6.5.3 PnP VA|[g̃n[hEFA̐ݒ?
     6.6 VA IRQ ̑I
        6.6.1 IRQ 0  IRQ ł͂Ȃ
        6.6.2 ݂̋Lƃo[W 2.2 ȍ~̃J[l
        6.6.3 ǂ IRQ IԂ?
     6.7 AhX̑I --ttyS3 ƏՓ˂rfI{[h
     6.8 I/O  IRQ ̃n[hEFAւ̐ݒ (ق PnP )
        6.8.1 PnP BIOS g I/O AhX IRQ ̐ݒ
     6.9 IRQ  I/O AhX setserial ɗ^
     6.10 ̑̐ݒ
        6.10.1 n[hEFAt[ (RTS/CTS) ̐ݒ

  7. (VA|[g)f̐ݒ
     7.1 f̌o
     7.2 AT R}h
     7.3 : ۑэČďo
     7.4 ̑̃fR}h

  8. /dev/ttyS2 Ȃǂ̃VA|[gfoCX
     8.1 VA|[gfoCX̖OƔԍ
     8.2 ttySN  /dev/modem փN?
     8.3 cua foCX

  9. mĂƗǂ낢vO
     9.1 setserial Ƃ͉?
        9.1.1 ͂߂
        9.1.2 o
        9.1.3 Linux ͎IɃVAfoCXݒł܂?
        9.1.4 N̐ݒ
        9.1.5 /etc/serial.conf pVݒ@
           9.1.5.1 ÓTIȐݒ@ : XNvg̕ҏW
        9.1.6  (IRQ)
     9.2 isapnp Ƃ͉ł傤?
     9.3 wvdialconf Ƃ?
     9.4 stty Ƃ͉ł傤?

  10. f (db)
     10.1 db鏀łĂ܂?
     10.2 Minicom œdb
     10.3 Kermit œdb

  11. _CC
     11.1 Tv
     11.2 getty
        11.2.1 mgetty ɂ
        11.2.2 uugetty ɂ
        11.2.3 getty_em ɂ
        11.2.4 agetty  mingetty ɂ
     11.3 _CC̍ۂɉN܂?
     11.4 Ȃ蓮łǂ̂
     11.5 R[obN
     11.6 {CX[

  12. _CCp uugetty (Â Serial-HOWTO p)
     12.1 getty_ps ̃CXg[
     12.2 uugetty ̐ݒ
        12.2.1 ŋ߂̃f
        12.2.2 Âᑬ̃f
        12.2.3 OCoi[
     12.3 uugetty ̃JX^}CY

  13. fŎgׂx?
     13.1 xƃf[^k
     13.2 ǂőxݒ肷?
     13.3 [ɍx֐ݒłȂ
        13.3.1 ǂ̂悤Ƀn[hEFAőxݒ肳Ă邩 : ƃ{[[g
        13.3.2 xݒ̂܂
        13.3.3 ̐U baud_base ł͂܂
     13.4 x\

  14. ʐMvOƃ[eBeB
     14.1 Minicom  Kermit
     14.2 vÕXg
        14.2.1 łlĈȂ_CAEgvO
        14.2.2 łlĈ_CAEgvO
        14.2.3 Fax
        14.2.4 {CX[\tgEFA
        14.2.5 (getty p) _CC
        14.2.6 ̑
     14.3 SLiRP  term

  15. UART ĉł? \ɂǂȉe^܂?
     15.1 UART ̊Tv
     15.2 2 ނ UART
     15.3 FIFO
     15.4 UART ̃fԍ

  16. guV[eBO
     16.1 fIɂ݂͑̂Ɍoł܂
     16.2 56k f 56k ɋ߂xo܂
     16.3 Abv[h(_E[h)t@CA邢͒x
     16.4 _CC̍ۂ ``line NNN of inittab invalid'' Əo
     16.5 ``Id "S3" respawning too fast: disabled for 5 minutes'' Əo
     16.6 Ndb؂ƃf~܂A邢 uugetty Đ Ȃ
     16.7 uugetty ܂ɓ삵Ȃ
     16.8 ȉ̐߂ Serial-HOWTO ɂ Modem-HOWTO ɂ܂ :
     16.9 Iɂ̓VA|[ĝɁAo܂
     16.10 ̏Ȃx: eLXgxĂʂɕ\܂
     16.11 Ȃx: Ɛ{͑͂Ȃ̂ł
     16.12 VXeN̉ʂŁAVA|[g IRQ ԈĂ \܂
     16.13 "Cannot open /dev/ttyS?: Permission denied" ƂG[o܂
     16.14 ttySx ɂ "Operation not supported by device"
     16.15 "Cannot create lockfile. Sorry"
     16.16 "Device /dev/ttyS? is locked."  (foCX /dev/ttyS? bNĂ܂)
     16.17 "/dev/ttyS?: Device or resource busy"
     16.18 guΏ̂߂̃c[

  17. tṼAbvO[h
  18. ̏
     18.1 ̑
     18.2 
     18.3 HOWTO
     18.4 j[XO[v
     18.5 Web TCg

  19. t^ A: (ZpI)fǂ̂悤ɓ삷̂ ()
     19.1 ϒ̏ڍ
        19.1.1 ϒ̏_
        19.1.2 gϒ
        19.1.3 Uϒ
        19.1.4 ʑϒ
        19.1.5 ϒ
        19.1.6 56k f (v.90)

  20. t^ B: ``{[''  ``bps''
     20.1 ȒPȗ
     20.2 ۂ̗

  21. t^ C: [T[oڑ
  22. t^ D:  ̎ނ̃f
     22.1 fW^ufv
     22.2 ISDN ufv
     22.3 fW^Ґ (Digital Subscriber Line = DSL)
     22.4 56k fW^f
     22.5 pf

  23. {ɂ

  ______________________________________________________________________

  1.  ͂߂

  1.1.  DSL fAP[uA ISDN f͑ HOWTO ɂ܂

  {ł͒ʏ PC pfAƂ ISA oX̂̂܂(
  APCI oX̃fɂKpł͂ł)B

  o  DSL f: ADSL mini-HOWTO B

  o  Cable-Modems-HOWTO ( LDP  mini-HOWTO ł)
     <http://www.cs.unm.edu/~vuksan/linux/Cable-Modem.html>

  o  ISDN HOWTO (LDP  HOWTO ł͂܂)
     <http://sdb.suse.de/sdb/en/html/isdn.html>: ISDN ufvp̃h
     CołB̊֘A񂪂܂AhCcłBISDN 
     `[gA  <http://public.swbell.net/ISDN/overview.html> 
     B

     ``t^ D: ̎ނ̃f'' B

  [ : JF vWFNgɂ{ ADSL-mini-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/ADSL.html>, Cable-Modem-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Cable-Modem.html> ]

  1.2.  PCMCIA f PPP ɂ͂Ă͏Ă܂

  PCMCIA ̃fуVAJ[hɂẮAPCMCIA-HOWTO 
  B(foRŃC^[lbg֐ڑۂɗp) PPPAĒʐM
  vOɊւẮA HOWTO ł͈Ă܂BʐMvO
  ĝAfɋ@\Ă邩A邢͐db
  邩eXg@݂̂܂BfpăC^[lbg֐
  ̂ȂAPPP ݒ肷Kv܂BPPP ɊւĂ (蒆
  PPP-HOWTO ܂)̕܂B̂ /usr/doc/ppp
  Ȃǂ̃fBNgŌ邩܂B

  [ : JF vWFNgɂ{ PCMCIA-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/PCMCIA-HOWTO.html>, PPP-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/PPP-HOWTO.html> ]

  1.3.  쌠AƐӎAo^WуNWbg

  1.3.1.  쌠

  Copyright (c) 1998-9 by David S. Lawyer

  ̕`ŎRɕzz(̔邢͑^)Ă
  BяȏC̓eiɂAB܂A{̔h
  앨AzzĂ܂܂B:

  1. Ȃ쐬h앨 (SGML ̂悤ȍłӂ킵`)
     LDP (Linux Documentation Project) ֑邩A邢̓C^[lbg
     ֓eȂǂĂBLDP ȊÔ֑ȂAǂœǂ߂邩
      LDP ֒m点ĂB|AŐVo[WɏĂA
     ȑÕeiփRs[𑗂ĂB

  2. ̔h앨͖{̃CZX̐_A邢 GPL ɏ]Ă
     B쌠̍mAčŒłgp郉CZXւ̃|C^
     ڂĂB

  3. ȑO̒҂Ƒ̍v҂̂łƁAĂB

  |󂾂łȂȏ̍ƂsƍlĂ̂ȂÃ݂ei
  ƂȂ̌vɂĘbĂB

  1.3.2.  Ɛӎ

  Ȃ̈ӂɋ\Ƃ킯ł͂܂񂪁A炭{ɂ
  ̌肪ł傤B̌ɋĂB{̓t[
  łA邢͈ȑO̒҂ɁÂȂɂĂ@I
  ȐӔCȂƂ͖炩Ȃ͂łB

  1.3.3.  o^W

  Pꂪo^WłƂĂAꂪɋÂ͕㖾
  炩Ȃ͂łBႦ΁A``MS Windows'' (邢͒P ``Windows'') Ƃ
  \L ``Windows''  Microsoft  (MS) ̓o^Wł邱Ƃɔz
  ̂łB``Hayes''  Microcomputer Products Inc. ̓o^WłB

  [ : p̌ɂ͈ȉ̂悤ɏĂ܂B

       ҂ ``winmodem''  MS-Windows łȂfw
       ƂɎgAo^ẄӖł͗p܂B

  ``Winmodem''  3Com Ђ̓o^WłB

  ł́Ao^W ``Winmodem'' Ƒ啶ŕ\LAʖ
  ``winmodem'' Əŕ\LċʂĂ܂BA킩ɂ
  ȂĂ܂܂Bœ{ł́A ``winmodem'' ƕ\L
  ʖ́u\tgEFAfvƏĂ܂B]

  1.3.4.  NWbg

  { version 0.0 ́A܂ɌāÂ悤Ȍo܂ō쐬܂
  B{̑fނ̖ 3/1  Greg Hankins 
  <mailto:gregh@cc.gatech.edu>  Serial-HOWTO v. 1.11 (̂)
  ڒ̂łB̖ 3/1  Serial-HOWTO ĈłBc
   3/1 ͒҂ David S. Lawyer  <mailto:dave@lafn.org> V
  ̂łB

  [  : ҂ JF  Serial-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Serial-HOWTO.html> 瑽̖
  ܂B|󂳂ꂽiclAPÂA肪Ƃ
  B]

  1.4.  ҂ւ̘A

  ǂ̃f𔃂ׂ̑kÃf Linux œ삷邩ǂ
  ̎Ȃǂ̖ړIŒ҂ɐq˂ȂłB``()\tgEFAf
  '' ߂̋ȃXgB܂A HOWTO 𐸓ǂĂ܂
  ݒłȂꍇȊÓAǂ̂悤Ƀfݒ肷̂҂ɐq˂Ȃ
  B

  AӌA_@AԂA@AA邢̓NȂǂ̂Ȃ
  ɊւĂA҂܂łm点B܂AȂǂł镶
  ̓t 1 ȏÂAŐṼo[WǂA܂mF
  B{ɊւĂȂvƂ͂ǂȂƂłA҂܂ł
  肭B

  [ : {ɊւẮAƂ <can-s@geocities.co.jp> 
   JF vWFNg <JF@linux.or.jp> ܂łAB]

  1.5.   HOWTO ̐Vo[W

  (҂܂׋ł) fƂ܂͋}ɕωĂ
  ŁA Modem-HOWTO ̐Vo[W͂قږoĂ܂BȂ
  Ă肪A{̍ŐVo[Wł͉ł邩܂B
  ŐVo[W LDP ̃~[TCgŉ{A_E[hł܂B~
  [TCg̈ꗗ͈ȉ Web y[WŌ邱Ƃł܂B
  <http://metalab.unc.edu/LDP/mirrors.html> ŐVo[W̍쐬Z
  ɊmFꍇ  <http://metalab.unc.edu/LDP/HOWTO/Modem-
  HOWTO.html> āAǂło[W v0.08, 1 Jan. 2000 Ƃǂ
  VׂĂB

  [ : ŐV̓{ Modem-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Modem-HOWTO.html> ɂ܂B]

  1.6.  fƂ ?

  fƂ̓fW^Mpɐ݌vĂȂAʏ̓dbgăfW
  ^M𑗂鑕ułBdbׂăfW^Ă̂
  Af͕Kv܂Bf͂ȂƐẼRs[^ڑ
  AʐM邱Ƃ\ɂ܂Bfgۂɂ́Af𐳂
  ēdb邽߂ɁAʏ͒ʐMvO Web uEUȂǂg
  B㋉̃f[U̓fɓdbăRs[^g悤
  ł܂Bu_CCvƌĂт܂B

  PC ̃fɂ͊OtƓ2ނ̃^Cv܂BOtf
  PC Oɐݒu܂BAf PC ̒ɂ邽߁AO猩
  Ƃł܂BOtf PC ̔wʂɂuVA|[gvƂ
  ĒmĂRlN^֐ڑ܂Bf̓Rs[^̓ɑ}
  {[hŁA(Ȃ)VA|[g܂BڍׂȔr
  ẮA``OtƓ'' Bfgpۂ
  ́A(̃fgpÃfv^gpȂ)VA
  |[gƂČo܂BLinux ɂẮAVA|[g ttyS0,
  ttyS1 Ȃǂ̖OtĂ܂(DOS  Windows ł́Aʏ COM1, COM2 
  ꂼΉ܂)B

  E\ȃRlN^ŏ̓fƂƂɎgp邩ȂA
  ``Universal Serial Bus (USB)'' ƃVA|[g͑SقȂ̂
  BfƃVA|[gɊւڍׂ ``f VA|[g̊
  b'' B

  Fax M@\f񂠂܂B( FAX fƌĂ
  ܂B) ``Fax'' ̍ڂ FAX \tgEFÄꗗ܂B{CXf
  ͉û悤ɓ삵A{CX[܂B``{CX
  ['' ̍ڂB

  1.7.  NCbNCXg[

  1.7.1.  Otf̃CXg[

  Xg[gP[u邢̓fP[upāAf PC ̎g
  ȂVA|[gڑ܂B̏ꍇAVA|[g̖O
  COM1  ttyS0ACOM2  ttyS1AȂǂɂȂ邱ƂmĂĂB
  ŁAVA|[gɊւ BIOS ̐ݒmFKv邩
  Bf֓d͂邽߂ɁAdR[hڑ܂BXȂ
  ɊւĂ ``ׂẴf'' B

  1.7.2.  (ISA oXp)f

  (PCI oXɊւĂ ``PCI oX͂܂T|[g Ă܂'' 
  ``PCI f'' B) f MS Windows ł̂ݓ삷
  ƏĂȂAȂ͕s^łBVA|[g2
  Ã{[h3Ԗڂ̃VA|[g (ttyS2 = COM3) ɂ܂Bgp
   IRQ TĂBȑO IRQ5 fɎgp܂A
  ł̓TEhJ[hgpĂ܂Bf̃Wp(邢͂
  ɗނ)gAgp IRQ ֐ݒ肵 IO AhX 3E8 (ttyS2)
  ɐݒ肵ĂB

  (O̕ɂ)uɗނ́v[:PnP ݒp̃vOȂ]
  ͎኱ɂ܂B̃f ISA oX̃vO&vC
  (PnP) ΉłȂA炭 ``isapnptools'' ŔzzĂ ``isapnp''
  pē̂Ƃł܂B``man isapnp'' 邢 FAQ 
  B܂APlug-and-Play-HOWTO BPnP OS ĂȂ
  APnP-BIOS  CMOS ZbgAbvj[pāAf{[hɓK
   IRQ  IO AhXݒł邩܂B IRQ 
  IO AhXݒ肷悤 BIOS Ɂuv̂ȂA PC 
  Windows9x gp΂ł邩܂BWindows ƓlɁALinux 
  ݒɗp PnP-BIOS ̃tbVցAIRQ  IO AhX
  ݒł܂BPlug-and-Play-HOWTO ǂ݁A(ɏoĂ) u
  vTĂBWindows 3.x ł ICU [ : ISA Configuration
  Utility ] pēƂł܂BlɁAfƓĂ
  (Windows )\tgEFA PnP 𖳌ɂł@邩܂
  B

  [ : JF vWFNgɂ{ Plug-and-Play-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Plug-and-Play-HOWTO.html> ]

  ŌɁA``setserial'' NĂt@CTAȉ̂悤ȋLq
  ǉĂ : ``setserial /dev/ttyS2 irq5''Bsetserial v2.15 ȍ~
  A(fBXgr[VȂ)R}hC
  ``setserial'' 𓮂ł悭Ǎʂ͐ݒt@Cɕۑ
  Bڍׂ ``setserial Ƃ͉?'' BNCbNCXg[
  ɊւXȂɂĂ ``ׂẴf'' B

  1.7.3.  ׂẴfɋʂ̐ݒ

  fdbɐڑ܂Bminicom ̂悤ȒʐMvONAV
  A|[g̐ݒ胁j[ֈڂ܂BVA|[gփf 2 `
  3 {rbg[g蓖Ă܂BœKȃXs[h``x\''
  B/dev/ttyS1 ̂悤ȁAVA|[g̊SȖOLq܂B
  n[hEFAt[ (RTS/CTS) g悤ɐݒ肵܂B̐ݒ
  ۑAminicom I܂Bminicom ĂѓAf OK Ɖ
  邩ǂm߂邽߂ɁAAT ƃ^Cv܂B̌_CAs
  fBNg (邢̓j[)ֈړAdbԍ_CA܂B

  [ : cu R}hg܂Bcu ͂ẴfBXgr[V
  uucp pbP[WɓĂ܂B

       $ cu -l ttyS1
       AT iL[{[h́Ef邩j
       OK if̉j
       ~. iL[{[h́Ecu ̏Ij

  ]

  2.  Linux PC p̃f

  2.1.  ƊOt̂ǂ炪ǂ̂

  PC p̃fɂ͓邢͊Ot̂̂܂B̂̂ PC
  ̓Ɏt܂(t邽߂ɂ͂˂OȂǂKvł)BOt
  ̂̂ PC ̃VA|[gRlN^֍ނłBf
  ቿiŃobt@ɂf[^rɂAĂd͂
  Ȃ̏ɗ]ȋԂv܂B

  Otf͎tɊȒPŐݒقƂǕKv܂B
  NĂ̂m肪ɂȂ\܂BVA|[
  gƃfIɕĂ邱Ƃ́Aguɂ𗧂܂B
  AOtf͑̃Rs[^֊ȒPɈړł܂B

  cOȂƂɁÅOtf͔gpɓd؂XCb`Ȃ
  ŁA(ǂ̃RZgvO𔲂Ȃ)d؂ĂĂ኱̓d
  ͂܂BdC͔N $1 xł傤BOtf̂Ђ
  sȓ_́A115,200 kbps ȏ̑xT|[gȂVA|[g
  g킴Ȃꍇ邱Ƃł(A1998N̏Iɂ͑̐V
  ^̓fł̑x͏oAꕔ̂̂o܂ł)B
  V^̓f 16650 UART ĂȂACPU ׂ͒̕ႭȂ
  ( 1998 N̏I育ɂ́Â悤Ȃ̂͂قƂǂ܂
  ł)B

  f Linux ŎgpƁAŗL̖肪܂BAMS
  Windows łȂf΁Aݒ肷邽߂(Ƃɂ
  ɑ)Ԃ̂́AOtfƓlɓ삵܂BcO
  ȂƂɁAMS Windows ł삵Ȃf̒ɂ́A̎|𖾋L
  Ȃ̂܂BBVf𔃂ȂALinux œ삵
  ۂɕԕił邩ǂm߂ĂB

  Vf̑̓vO&vCłAɂ͑̕@
  ܂ :

  o  ``isapnp'' vOgp

  o  ݒs PnP BIOS ɓ

  o  PnP Linux 邽߂ɃJ[lɃpb`𓖂Ă(͗pł܂)

  L̎@ɂ͂ꂼꌇ_܂B(݂͂܂sS) Plug-and-
  Play-HOWTO Ƃ͂Aisapnp ͗̕ɂ̂
  BPnP BIOS ̐ݒsȂAPnP OS gĂȂƂ PnP
  BIOS ɓ`Ȃ΂Ȃ܂BłݒłȂ܂
  B̂m肽΁A``VA |[g̃n[hEFA̐ݒ
  ?'' BȑO̓pb`𓖂ĂJ[l삵Ă܂B
  AݗLȃpb`݂͑Ȃ悤łB֘A Web TCg
  mFB

  Otf̕ȒPɓ肵Đڑłƌ Linux [U
  ܂BAݐVӋ@͂ĂvO&vCɂȂ܂B
   PnP ƂɂȂ邩Ȃ̂ɁAȂȂ̂ł傤?
  ł܂̂Ƃ́A(󂢂ĂVA|[gȂ)łDs
  (č)͊OtfłB

  2.2.  Otf

  2.2.1.  PnP Otf

  ̊Otf ``Plug and Play'' (PnP) ̃xĂ܂
  APnP ł͂ȂfƂĂlɐɓ삷͂łBŗL IRQ
   IO AhXVA|[gɃfڑ̂ŁAf PnP
  ̋@\͕Kv܂BAftHg̐ݒŐɓ삵Ȃ
  AVA|[ĝɂ (IRQ  IO AhX)ݒƂKvłB

  PnP Őݒ肵Ȃ̂ɁAȂOtf PnP ƌĂԂ̂ł傤BPnP
  OS (VA|[gʂ)ǂݍ߂ʂ PnP ʏAf
  g̒ɎĂ܂BPnP OS ɂ̓f̃|[gɂȂĂ
  邱ƁAăf̌^Ԃ܂BāAf (/dev/ttsS2
  邢 COM3 Ȃ)ǂ̃|[gɂȂĂ̂AAvP[V
  ݒ肷KvȂȂ邩܂BÂ悤 PnP OS 
  ĂȂȂA(/dev/ttyS2 Ƃ)foCXʎqAvP[V
  蓮Őݒ肷Kvł傤B

  2.2.2.  P[uڑƃCXg[

  lXȃ^Cv́ukfvP[uKvƂ邻̑̑uVA
  |[g֐ڑ邱ƂƔׂāAOtfڑ邱Ƃ͊ȒPłB
  f͌ŝȂXg[gP[ug܂B̃Rs[
  ^Vbv̓Xg[gP[u𔄂Ă͂łBP[u
  ɓ悤CtĂBRs[^ DB9 邢 DB25 ̃V
  A|[gȂAVA|[g͏ɃIXRlN^łAP[u
  ̓XRlN^ɂȂ܂BVA|[gփfڑĂB
  ڑ|[g̃ftHg IRQ  IO AhXō\ȂȂAŒ
  MvONf̂̐ݒs܂B

  [ : DB9  D-Sub 9 sRlN^ADB25  D-Sub 25 sRlN^
  B]

  2.2.3.  Cg (LED) ̈Ӗ

  o  TM eXgf

  o  AA  (on Ȃ烂f͒Mɉ܂)

  o  RD f[^M = RxD

  o  SD f[^M = TxD

  o  TR f[^[fB = DTR (PC Zbg܂)

  o  RI M\ (on ȂNfɓdbĂĂ܂)

  o  OH IttbN (off Ȃ烂fdb؂Ƃ܂)

  o  MR ffB = DSR ??

  o  EC G[

  o  DC f[^k

  o  HS (̃fɂƂ)nCXs[h

  [ : ҂̃fł MR = Modem Ready ŁAf̓dĂ
  Ƃ ON ɂȂ܂B]

  2.3.  f

  PC ̃Jo[O}U[{[h̋󂫃Xbgփf{[h}
  āAft܂BfɂISA Xbgp̃f
  Ȃɂ PCI Xbgp̂̂܂BOtf̓VA
  |[g(ZP[u)ڑ̂ɑ΂Afɂ̓f
  g̒ɃVA|[g܂BƁAf{[h̓VA
  |[gƃf̑o̖܂B

  ̂́AVA|[gւ IO AhX IRQ ̐ݒA{[h̃W
  pōs܂B{[h̃s։ށA5x4x2mm x̍
  `́uTCRv܂BPnP f(ۂ̓f̈ꕔłVA
  |[g)͐ݒ̂߂ɃWp͗pAf(Rs[^̒ɂ
  ISA oX IO AhX)֐ݒR}h𑗂邱Ƃɂݒs
  BPnP BIOSA(ISA oX) isapnp vOA邢 PnP OS A
  ݒR}h𑗂邱Ƃł܂Bfݒ肷íA
  Windows 95/98 ɂ͑gݍ܂Ă܂BLinux ł́AIO  IRQ ̐ݒ@
  (ɊȒPȕ@͂܂)̕@IԂƂł܂:

  1. N̓x ``isapnp'' Iɓ

  2. (NƂɓ) PnP BIOS PƂŎgp

  3. Linux Ƀpb`𓖂 PnP OS ɂ

  2.4.  ()\tgEFAf

  \tgEFAf̓fƂĕKvȏ̑(邢͂قڂׂ)
  (Pentium Ȃ)Rs[^ CPU ֈϑ܂BGȐp\tgEF
  A(hCo) CPU ł̏s܂B1998 Nȍ~ɐꂽ
  f̑ Windows ł삵Ȃ\tgEFAfłA
  Linux ł͓삵܂Bl̗Lũfp Linux hCo
  ƂĂ̂́AdlłȂ̂ŃhCoł܂
  B2000 NȑÓAhCoȂ߂ Linux œ삷\tgEFA
  f͂܂łB

  1999 N̏Iɂ́A 2 ̃\tgEFAf Linux œ삷
  悤ɂȂ܂BcOȂƂɁALucent Technologies Ђ PCI \tg
  EFAf̃hCooCiɌJĂ邾łB̃h
  Cȍ̃o[Wɂ̓oO܂BPC-TEL Ђ Linux p̐V
  \tgEFAf𔄂o܂B̊ƂsƂɑāA
  ``linmodem'' ̂ł傤?  Linux ɂ郂f̓󋵈ꗗ
  modem list <http://www.o2.net/~gromitkc/winmodem.html> ɂ܂B\
  tgEFAf Linux œ삳悤ƂvWFNg܂B
  <http://linmodems.org> B[OXg܂B
  ݁Ão[XGWjAOƂisłB\tgEFAf
   Linux œ삳񍐂AȂƂЂƂ܂(A܂
  Ă̋@\𗘗pł킯ł͂܂)B]āAF񂪂ǂނ
  ɂ́Alinmodem ƑĂ邩܂B

  \tgEFAf( winmodem)  Lunux ňhCo
  悤ɂȂA ``linmodem'' ƌĂԐlł傤B
  ܂ ``winmodem'' Ȃ̂ł傤?  ̃f MS Windows ł
  ̂ŁA炭 ``winmodem'' ƂƂɂȂł傤B``Winmodem''
  ƂP͓̃^Cṽ\tgEFAfwo^WłB

  [ : ł̓\tgEFAfʂ ``winmodem'' ƕ\LĂ
  āAwinmodem  linmodem Δ䂳`ɂȂĂ܂B]

  ł̓\tgEFAfɊւāA萳mȋZpp܂B
  HSP (Host Signal Processor) Ƃ͓dbɗdCM𐶐邽߂
  KvƂȂMAzXg̃vZbT (CPU `bv)ōoƂӖ
  ܂Bfg CPU `dCIȔg`𐶐Ăɂ܂
  BƂ͑ΏƓIɁAu䑕ûȂvf(fg𐧌ł
  Ȃ̂)gŔg`𐶐ł܂BHSP ɂ͑Mf[^
  @\͂܂Bf[^kłAołApPbg
  f[^܂BƁAHSP ̓f𐧌łA\tg
  EFAgp CPU ׂĂ̍Ƃs܂BRockwell Ђ HCF (Host
  Controlled Family) ͂̍Ƃs܂Bׂ̂Ăs\tgEFA
   Linux ֈڐAłȂAOq̖͂ȂȂ܂BL̖肪
  ƂĂALinux VA|[gɌȂf Linux ł͓
  Ȃł傤B

  ̓f Linux œǂ𔻒fɂ͂ǂΗǂ
  ł傤? ܂A\tgEFAfOLq邩ǂm
  ߂Ă : HSP, HCF, HSFA䑕uȂAzXg^AzXgx[
  XA soft- fȂǂłB\tgEFAf Linux hCo
  ł܂ȏꍇɂ̂݁Aɓ삷ł傤B̃f̌^
  ȂāA Linux PC  Windows ĂȂAuR
  g[plvŁufṽACRNbNĂB܂A4
  O̒iŏqׂ Web ̈ꗗmFĂBf삵
  (邢͂܂Ȃ)ȂAf̔(邢̓}jA) 
  āAuŏVXevv邢́uVXevvƂLq̂镔
  TƗǂł傤B͏ȎňĂ邩܂B
  ǂłBv̒ Windows ڂĂA炭
  Linux ł͓삵Ȃł傤B

  AWindows KvƖȂf́ALinux œ삷邩
  BuWindows pɐ݌vvƂƂ́AMicrosoft  PnP S
  T|[gĂ邱ƂӖĂ邾܂BLinux  PnP
  @\gpĂȂȂ삵܂(ALinux gpĐݒ
  ͓̂ł)BuWindows pɐ݌vvƂLq́ALinux œ
  삷邩ۂ𔻒f肪ɂ͂Ȃ܂B Web TCgm
  ߂邩A[Őq˂̂ǂł傤B郂f Linux œ
  Ãf͓삵ȂƖ Web y[WA҂͂Č
  Ƃ܂B

  hCoɓƂ̂قɂA\tgEFAfɂ͗Q
  ܂B\tgEFAf͏̑啔 CPU gp̂
  {[h̓dqiȂčς݁ARXgȂ܂BłA
  f CPU ɍׂ̂ŁȀxȂ\
  BہACPU gp^XNɓĂƁAɏx
  Ȃ܂BA\tgEFAfgĂȂƂɂ́AS
  \͂̒ቺ͔܂B̃RXg팸ɂ͉l̂ł傤?
  f܂gȂAf̎gpɍ CPU ׂ^
  XNȂꍇɂ́A̓ yes ɂȂ܂B̂悤ɁA\tgEF
  Af̎gpoϓIɐłꍇ܂Bfɂo
  ō\ CPU ɂꂽƂŁAx͂ق
  ̂ƂオȂł傤BAf{[h̓dqi͔ėp
  CPU Iɏs܂B]āȀꍇA\tgEFA
  f̎gpǂł傤B

  2.5.  PCI f

  PCI f{[h PC ̃}U[{[h PCI oXXbg֑}
  ̂łBsKȂƂɁA PCI f Linux ł͓삵Ȃ悤
  BÄꕔT|[gw͂isłB``PCI oX͂܂T
  |[gĂ܂'' B

  2.6.  Linux œ삵Ȃf?

  o  ``()\tgEFAf'' ȂǁBS삵܂B

  o  ``PCI f'' Linux ł͂߂ɓ삵܂B

  o  ``MWave  DSP f'' ܂BAPC ̋N
     ɖA܂ Windows 邢 DOS NKv܂B

  o  ``RPI (Rockwell)'' f͓삷̂́A\͗܂B

  2.6.1.  MWave  DSP f

  ̎̃f DSP (Digital Signal Processor) gĂ܂Bf
  gOɁAn[hfBXN DSP ̃փvO_E[
  h悤ADSP ͍Ă܂Bs^ɂADOS 邢 Windows ̃v
  Oł̃_E[hsȂALinux ł͓삵܂BʏA
  Linux œ삷郂f DSP Ă܂(pbP[WɏĂ邩
  ܂)AvO̓fɊi[Ă܂B͖{
  łӖ́uDSP fvł͂ȂALinux łɓ삷͂łB
  DSP f̈ IBM Aptiva  MWAVE ܂B

  DSP fVA|[gV~[gȂALinux ŃVA|[
  goRfƒʐMł܂B PC  DOS 邢 Windows 
  ĂȂAfg邩܂ : ܂ (Windows phC
  og킸 DOS g)ADOS ŃhCoCXg[܂BDOS 
  Windows N(f邱Ƃm)Ad؂炸
  Linux N܂BDOS  Linux ֈڍs@̂ЂƂ́A
  loadlin.exe gp邱Ƃł (Config-HOWTO )BЂ
  ̕@ CTRL-ALT-DEL łBf DOS Ŏgp̂
   COM |[g( IO AhX)LĂ܂B

  [ : JF vWFNgɂ{ Config-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Config-HOWTO.html> ]

  2.6.2.  Rockwell (RPI) hCo

  Rockwell RPI (Rockwell Protocol Interface) hCoKvƂ郂f
  ́ÃhCo Windows łȂɂ炸ALinux Ŏgp
  ł܂BȂȂAMS Windows ̃\tgEFA̓f[^kƃG[
  sȂłBf[^kƃG[Ƀfg΁A
  Linux łgpł܂B̂߂ɂ́Af̓dxɁAf
  ()uRPI vR}h𑗂ARPI 𖳌ɂKv
  ܂B̃R}h͒҂̃fł +H0 łBC^[lbg
  _E[h鑽̃t@C͈kς݂łBXɈk݂Ă_E
  [hx̂ŁAf[^k𗘗pȂĂقǑ̕sv
  Ȃ܂B

  3.  }`|[gf{[h

  fɂ́A1 ̃{[hɕ̃f{[h܂B
  ́A{[h 1  8 ̃f܂BȂ̃Rs[^
  ցAlɃ_CCу_CAEgł悤ɂ̂
  A}`|[gf{[hKvɂȂł傤Bf̓f
  W^fł͂Ȃ̂ŁA_CC郆[U 56k gȂ
  ɁAӂĂB]āA ISP ɂ͌Ă܂BȉɁA
  Linux œ삷{[ḧꗗ܂BWeb TCgɃhCoւ̃N
  ͂łB

     Multi-Tech Systems Ђ MultiModemISI
        56K 邢 33.6K  PCI  ISA ŁA4 |[g܂ 8 |[g̃
        fŁAISDN/56K płB <http://www.multitech.com/products/>

     Moreton Bay Products Ђ RAStel
        PCI 邢ISA  4 ܂ 8 |[g56KfŁA2 ̃f
         2 ̋󂫃VA|[g܂B
        <http://www.moretonbay.com.au/MBWEB/product/rastel/rastel.htm>

     Comtrol Ђ RocketModem
        ISA  4 邢 8 |[g 33.6K fB
        <http://www.comtrol.com/SALES/SPECS/Rmodem.htm>

     Digi Ђ AccelePort (RAS Family)
        <http://www.dgii.com/digi.cfm?p=940564.pi.prd.00000046>

  dbЂւ̃fW^KvƂȂ 56k f͑GɂȂ܂B
  ]āAISP gfɊւẮA HOWTO ł͈܂B What
  do I need to be an ISP? BCyclades Ђ͂Ői`
  Ă܂BłAwOɐirĂBfW^f
  ڂĂ鍂Ȑp PCI {[h𔃂΁APC u[gANZXT[
  ov̑ɂȂ邱ƂAoĂĂB

  4.  fƃVA|[g̊b

  fgp邠邢͎t邽߂ɁÅbKK
  v͂܂BA肪NۂɃf̓쌴𗝉
  Ă΁Â߂̂ɖ𗧂܂B{͂ǂ
  ƁAXɗ[߂̂ȂA(܂sSł){ ``f
  ǂ̂悤ɓ삷̂'' ̏͂ǂ݂Ȃł傤BVA|[g
  Ɋւ({͂̓eȏ)ڍׂɂẮASerial-HOWTO ɋLq
  B

  [  : JF vWFNgɂ{ Serial-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Serial-HOWTO.html> ]

  4.1.  f̃fW^-AiOϊ(т̋t)

  ɓdbԂ̊͂قڂׂăfW^ɂȂĂ̂́Aƒ (
  ̓ItBX)ւ̉͂ĂAiOłB܂A
  g`̐mȕdg`Ƃđ悤ɐ݌vĂ܂B̂悤
  dg`uAiOvƌĂт܂BIVXR[vŊϑƁAAiO
  g`͎gƐUω鐳ĝ悤Ɍ܂BfW^M͕`
  gɎĂ܂BႦ΁A3 {g 1 ɁA0 {g 0 Ɋ蓖Ă
  B(Otfgp)̃VA|[g +12 {g 0
  A- 12 {g 1 \܂( }5 {ĝ̂
  )B

  dbʂăRs[^f[^𑗂邽߂ɁAf̓Rs[
  ^̃fW^MAiOMɕϊ܂Bf̓AiOg
  𐶐Aϒ (MODulating) ܂Bϒ̌ʂ̓fW^f[^
  \Ă̂ŁA̐M܂AiOMł͂ȂfW^MƌĂ
  ܂BA̐M̓AiOMƗގĂAقڂׂĂ̐lA
  iOMƌĂł܂Bdb̂̒[ŁÃf̐M
  𕜒 (DEModulate)AƂ̃fW^M𕜌܂B̕ϒ
  (MODulating) ƕ (DEModulate) ܂Ƃ߂(2 d ̂ЂƂ𗎂
  )Af (modem) ƂɂȂ܂B]āAf (modem) Ƃ
  ϒ -  (MODulator - DEModulator) Ӗ܂BϒɊւĂ
  ``ϒ̏ڍ'' ̐߂ɋLq܂B

  4.2.  VA|[gƂ?

  4.2.1.  VÅb

  VA|[g͓o͑ułB

  fɂ̓Rs[^Ƃ̊ԂɃVA|[gAfƓlɃV
  A|[gɂĂKv܂B

  قƂǂ PC ̓VA|[g 1 邢 2 Ă܂Be|[
  g̓Rs[^̗ 9 s (25 ŝƂ܂)RlN^
  Ă܂BRs[^̃vO͑Ms(o)Ƀf[^(oCg
  )𑗂邱Ƃł܂AMs()f[^󂯎邱Ƃ
  ܂B̃s̓t[Ɛڒn̂߂Ɏg܂B

  VA|[g͒PȂRlN^ł͂܂BVA|[g͕
  f[^𒼗ɕϊAf[^̓dCIȕ\ς܂BRs[^
  ł́Af[^\rbgQ͕ɗ܂(ɕ̔zp
  )Bf[^𒼗ɗƂ́A1 {̔z(VARlN^̑Ms
  Ms) Ƀrbg̃Xg[𗬂ƂłBVA|[gł̂
  Ƀf[^𗬂߁AVA|[g̓f[^(Rs[^
  `)璼ɕϊłȂ΂Ȃ܂(̋t̕ϊKvł)B

  VA|[g̓dqĤقƂǂ́AUART ƌĂ΂`bv(邢
  `bv̈ꕔ)łBUART ̏ڍׂɂẮA``UART   ł? \
  ɂǂȉe^܂?'' ̏͂ĂBA܂͂̏͂
  ǂނƂ悢ł傤BŜɂ UART ̈ʒuÂ邩łB

  4.2.2.  sƔz

  Â PC ł 25 s̃RlN^gĂ܂ÂۂɎg
  Ă̂ 9 {̃słB]āA݂ł͂قƂǂ̃RlN^
  9 słB9 {̃s͂ꂼzɂȂĂ܂Bf[^̑M
  Mp 1 {̔zgAM̐ڒnp 1 {̃s(z) g
  ܂Bez̓d́A̐ڒndɑ΂Čv܂B]āAo
  ̃f[^MɕKvƂȂŏ̔z3{łBڒnpȂ
  삵܂Ȁꍇɂ͐\AG[N肵܂B

  ɂz܂A͐p(VOiO)Ɏg邾ł
  Af[^̑Mɂ͎g܂BSނ̐M𓯂ŋL邱Ƃ
  ł܂AVA|[g͂ȂĂ炸AM̎ނƂɕʁX̐
  ppӂĂ܂B̐pz̈ꕔ(邢͑S)́uf
   (modem control line)vƌĂ΂܂Bf̏Ԃ́A
  +12 {g̗L (on) ԂA-12 {g̖ (off) Ԃ̂ǂ炩
  B̃f 1 ́ARs[^ɃVA|[g
  f[^M~߂M𑗂邽߂̂̂łB̔΂ɁAVA
  |[gɐڑꂽfoCXRs[^ւ̃f[^M~߂邽
  ߂̐܂B̑ɂAڑĂfoCXf̏ꍇ
  Ƀfɓdb悤ɎwAڑmĂ邱Ƃdb
  Ă(NdbĂĂ)Ԃł邱ƂRs[^ɋ
  邽߂̐܂BsѐM̏ڍׂɂẮASerial-
  HOWTO B

  [  : JF vWFNgɂ{ Serial-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Serial-HOWTO.html> ]

  4.2.3.  f̃VA|[g

  fɂ9s̃RlN^͂܂񂪁A傤ǑOq̔z
  邩̂悤ɐU镑܂Bf12{gMł͂ȂA
  fɂ݂͑Ȃuzv̏Ԃ\߁AgɃ(WX^)
  Ȁԃrbggp܂BRs[^ɂ́Af̃V
  A|[g{̃VA|[ĝ悤Ɍ܂BāAʏ̃VA
  |[gƓlɁA115200 bits/sec Ƃx܂B
  ł͕sKȂƂɁA̓fL̂悤ȕ@ł͓삹A
  (CPU œ)\tgEFAf̏̑啔s܂BƂɂ́A
  \tgEFA MS Windows p̂̂܂(Linux ֈڐA
  Ă܂)Bf̑ Linux œ삵܂B``(
  )\tgEFAf''̐߂B

  4.3.  IO AhX IRQ

  Rs[^͂ꂼ̃VAfoCXƒʐMKv̂ŁA OS
  ͂ꂼ̃VA|[g݂邱ƂƁA炪ꏊ (I/O Ah
  X)mĂȂ΂Ȃ܂B ܂AOS ̓VA|[g CPU 
  T[rXvƂɂǂ̐(IRQ ԍ)gmĂKv
  ܂BVA|[g͂̐Ɋ݂𑗂邱ƂɂăT[rXv
  ܂BāAꂼ̃VA|[gfoCX I/O AhX
  IRQ (Interrupt ReQuest number)̗sɕۑĂȂ
  ΂Ȃ܂B``'' ̐߂BPCI oX̏ꍇ́AS
  ̂悤ɓ삷킯ł͂܂BƂ̂APCI ɂ͓Ǝ̊݃V
  Xe邩łBAPCI Ή BIOS ̓`bv̐ݒs
  PCI ݂̊ IRQ Ƀ}bsO邽߁A͐̐̒ʂɓ
  삵܂BA݂̋LĂ_͏܂(2 邢
  ȏ̃foCX IRQ ԍgƂł܂)B

  I/O AhX̓̃AhXƂ͈قȂ܂BI/O AhXRs[
  ^̃AhXoXɐݒ肳ƁA̔zɐM܂B̐ḾA
  CɃAhX𖳎邱ƂƁAI/O AhXĂS
  ̃foCX(VA|[g)ɂ̃AhXĎAꂪfoCX
  AhXɃ}b`邩ǂ𒲂ׂ邱Ƃw܂BAhX
  }b`΁A I/O foCX̓f[^oX̃f[^ǂݍ݂
  B
  4.4.  O: ttyS0, ttyS1 Ȃ

  VA|[gɂ ttyS0, ttyS1 ƂOt܂(Ă
  ͕ DOS  Windows ɂ COM1, COM2 ɑΉ܂)B /dev fB
  Ngɂ́Aꂼ̃|[gɊւXyVt@C܂B
  ``ls /dev/ttyS*'' sẴt@CĂ݂܂傤BA
  (Ⴆ)ttyS3 t@C邩ƂāAKɕIȃVA
  |[g݂킯ł͂܂B

  (ttyS0, ttyS1 )Oǂ̕VA|[gŵ́Aȉ̂
  ɂČ܂܂BVAhCo(\tgEFA)́Aǂ I/O Ah
  Xǂ ttyS ɑΉ̂\ǗĂ܂B̂悤Ȗ
  O(ttyS1 ) I/O AhX( IRQ)ւ̑Ή́Aݒ\
  ``setserial'' R}hōsƂł܂B``setserial Ƃ͉?''
  ߂B̃vO̓n[hEFÂ̂ I/O AhX
   IRQ ̐ݒ͍s܂ (n[hEFA̐ݒ̓WpvO&vC
  ̐ݒvOōs܂)B̂悤ɁAǂ̕|[g ttyS1 Ȃǂ
  Ή̂́AVAhCo̐ݒ (setserial ɂ)ƃn[hEF
  A̐ݒ̗Ɉˑ܂BɊԈႢƁA|[g (ttyS2
  Ȃǂ)ǂ̖OɂΉA]ĎgȂ܂Bڂ
  ``/dev/ttyS2 Ȃǂ̃VA|[gfoCX'' ̏͂B

  4.5.  

  dbʂfɂĂf[^́AfAiOfW^
  ֕ϊ܂BāAVA|[gʂRs[^̖ړInɓ
  ܂B

  VA|[ǵA鐔̃oCgf[^(1, 4, 8, 14 ̂ꂩɐݒ肳
  ĂƎv܂)̃f[^ FIFO obt@Ɏ󂯎܂BƁA
  ͂̃|[gg̔zɊ݂ƂĒmdCM
  ƂɂÃf[^荞ނ悤 CPU ɓ`܂B̂悤
  FIFO ́A鐔̃oCgf[^҂āAꂩ犄݂𔭍s܂B

  Ǻ݂ÃoCgf[^͂̂҂ĂԂɁA\
  ȂxƂɂ܂(^CAEgƂ܂)B̂悤
  ɁA ([̃L[{[hœ͂ĂƂ̂悤)oCgf[^
  MĂƁA1 oCg󂯎邲ƂɊ݂s邩
  ܂Bꕔ UART `bvł́Aȉ̂悤ȋKɂȂ܂: 4 oCg
  AĎ󂯎邩Ȃ̂ɁA 4 oCg̃f[^
  oĂȂ΁AVA|[g͎̃oCgf[^҂̂
  ߁A FIFO ɓĂoCgf[^擾邽߂Ɋ݂𔭍s
  ܂BAFIFO łΊ݂͔s܂B

  ꂼ(Rs[^)ݐɂ͔ԍ (IRQ) tĂAV
  A|[g͐M𑗂邽߂ɂǂ̐ĝmȂ΂Ȃ܂
  BႦ΁AttyS0 ͒ʏAIRQ ԍ 4 g܂B IRQ4 (܂
  IRQ 4) Ə܂BIRQ ԍ̃XgȂǂ ``man setserial'' ɏĂ
  ܂( uVA|[g̃RtBM[V̒ӎ
  (Configuring Serial Ports)v̏͂Ă)BVA|[g CPU
  ̒ӂKvۂɂ́AK݂𔭍s܂B݂̔
  sK؂ȃ^C~OōsƂ͏dvłBƂ̂AVA|[g
  obt@͓Ăf[^ 16 oCg(ÂVA|[gł 1 oC
  g) ێłȂłB̂悤ȎMf[^obt@炤܂
  oƂ CPU sƁAȏ̃f[^ꏊȂ
  Aȃobt@ӂ(I[o[)NĂ܂Af[^͖
  Ȃ܂B

  OtfɊւẮǍۂ݂₩ɖhI[o[t[~߂
  (t[̂悤)@͂܂BfɊւẮA16oCg
  FIFO obt@f{[hɂAo̗ǂf̓obt@ɋ
  ȂΏ݂s܂B]āAǂf͂16oCg
  obt@ӂꂳ邱Ƃ܂BAf̂I[o[t
  [邱Ƃhɂ``fԂ̃t['' gKv邩
  ܂Bȏ̂Ƃ͊Otfɑ΂Af̂ЂƂ̗_
  ȂĂ܂B

  ݂́AVA|[g 16 oCg̃f[^Mobt@O
  P[uɑSđoɂs܂B̑Mobt@ɂ́A
  of[^p 16 oCg̋󂫂ł܂B݂͂̎ CPU
  ɓ`AMobt@ɑMׂVf[^ꂳ邽߂ɗp
  ܂B܂Af䃉C̏ԂωƂɂ݂s
  ܂B

  Oq̃obt@ׂ͂ăn[hEFAobt@̂ƂłBVA|[g
  Lɂ傫ȃobt@Ă܂BɊւĂ͌قǐ
  B

  ݂͑̏`܂A͊ԐړIɂs܂B݂
  ̂̂́Ã|[gӂ߂Ă邱Ƃ݃Rg[ƌĂ
  `bvɒm点邾łB݃Rg[͂󂯂 CPU 
  M𑗂܂BCPU ̓VA|[gɃT[rX񋟂ȃvO
  (VAfoCXhCöꕔ)s܂B̃vO͊
  T[rX[`(܂͊݃nh)ƌĂ΂܂B݃T[rX[
  `̓VA|[gŋNo𒲂ׁA̖ (VA|[g
  n[hEFAobt@̃f[^o͂Ȃ)܂B̃[`̓V
  A|[gŋNƂȒPɒm邱Ƃł܂BƂ̂AVA
  |[g̃WX^̓VAfoCXhComĂ I/O AhX
  ɂ邩łB̃WX^́AVA|[g̏ԂɊւێ
  Ă܂BfoCXhCo͂̃WX^ǂł̓e𒲂ׂ邱
  ɂAVA|[gŋNƂmAK؂ȓsƂł
  B

  4.6.  (fɂ)f[^k

  VA|[g̊b𑱂OɁAfsĂf[^kɊւ
  Kv܂BRs[^ CPU \tgEFAɂ肱
  ̈ksƂ܂BsKȂƂɁA݂ł͂\t
  gEFA MS Windows ł삵܂B Linux Ńf
  삳邽߂ɕKłA̋c_̓fgǂňk
  ŝɊւ̂łB

  dbʂf[^荂ɑ邽߂ɂ́AЂƂɂ̓f[^Ɉˑ
  ̕pĈks@ł傤Bf[
  ^͂Ƃ̃f[^ȂAZԂŃC^[lbgʂđ
  Ƃł܂B̉ߒuf[^kvƌĂт܂B

  C^[lbgt@C_E[hہAt@C͊Ɉk
  AfXɈk݂Ă܂܂Bf͊Ɉkς
  ̂̂mAXȂ鈳k݂Ȃ܂BΌ郂f
  kς݂̃f[^󂯎Af̓f[^WJAdb
  ꂽf[^葽̃f[^쐬܂B]āAfR
  s[^֑f[^ʂ́Adbł̗ʂȂł
  B̗ʂ̔䗦kƌĂт܂Bk͍ōł 4 xł
  AقƂǂ肦ȂƂłB
  4.7.  G[

  fG[s悤ɐݒ肳Ă邩܂B̓f[
  ^kɎĂ܂BG[ɂ͑Mx(t[[g)
  I[o[wbĥ́AG[̓X^[grbgуXgbv
  rbg킬AMxコ܂B

  OEƂ̃C^[tFCXłVA|[ǵAe 8 rbg(1oCg)
  X^[grbgуXgbvrbg 2 rbgt܂BG[
  Ȃ΁A̕tꂽX^[grbgуXgbvrbǵA
  fƓdbʉ߂Ă܂BAG[LɂƁA
  trbg͎菜A8 rbgpPbgɓ܂Bp
  Pbgwb_уG[p̕t񂪂ɂւ炸A͌
  ǂ荂Mx炵܂B

  4.8.  f[^t[(x)

  (A摜Ȃǂ\oCgł)f[^̓Rs[^烂fւ
  AdbʂOEցA邢͂̋tɑ܂Bf[^
  鑬xł (56k (56000) rbg/bȂǂ)t[[ǵA(sm
  ) uxvƌĂ΂܂Bł̐ĺut[[gvł͂Ȃ
  uxv̕g܂Bf[^ksȂ΁ARs[^
  fւ̃t[[g͓dbł̓`xƓ͂łB

  ہAdb̏I[ɂ͂ӂ̈قȂXs[h܂B

  o  f - fԂ̓db̂̂̑x(DCE Xs[h)

  o  VA|[g烂f܂ł̑x(DTE Xs[h)

  db̂[ɂ郂fɓdbĐڑƁAf
  ``CONNECT 28800'' 邢 ``CONNECT 115200'' ƂbZ[W
  ɑ܂B͉ӖĂ̂ł傤?   DCE Xs[h
  邢 DTE Xs[h܂B\ꂽXs[hf̃Xs[h
  荂ȂA̓fƃRs[^Ԃ DTE x̂͂
  B115200 L̏ꍇɂ܂B28800 ɊւẮAV
  A|[gɂ͂̑xȂ̂ŁADCE (f - f)x̂͂
  łBǂ炩̑x悤Afݒ肷l邩
  B܂ȂxA(Ⴆ) ``CARRIER 28800'' ̂悤ȃf
  Ԃ̑xfł傤B

  f̏ꍇɂ́AfRs[^̓ɂĂقƂǃR
  s[^̕iȂ̂ŁAfRs[^ւ DTE xɂ͑x
  E͂Ȃł傤BAf͓ɐp̃VA|[g
  ܂B

  ϑx͎dlŌ߂Ă鑬xxꍇƂ𗝉Ă
  Ƃ؂łB҂(邢̓ACh)ƁAϑx͒
  Ȃ܂B̂悤ȑ҂Ԃɂ́A ``t[ '' ɂ 1 bx
  钷҂Ԃ܂܂܂Bʂ̋ɒ[ȗƂẮAoCgf[^𑗂
  Ԃ̐~bƂɒZ҂Ԃ܂BɉAdb
  ԂǂȂꍇAf͑x𗎂ƂƂ܂B

  ŗǂ DTE xɊւc_ ``gׂx?''  ̏͂
  B

  4.9.  t[

  t[Ƃ́Az𗬂oCgf[^~߂@\̂ƂłB
  ́AoCgf[^ƂȂf[^Ăїn߂@\܂܂܂B
  t[́AfuԂ̃t[[gAIɕς悤ɂ
  邽߂ɕKvłB

  4.9.1.  t[̗

  ƂāA33.6k ̊OfZP[ugăVA|[gɐڑ
  ꍇl܂傤B̃f͓db 33.6k bps (rbg
  b)Ńf[^𑗎M܂Bf[^kG[͑SsȂ̂
  ܂BVA|[g̑x 115.2k bps ɐݒ肵ĂAf[^R
  s[^dbɑ܂BƁARs[^烂fւ͒Z
  P[uʂ 115.2k bps Ńf[^܂BAfdb
  ւ 33.6k bps łf[^܂Bf[^očs
  f[^Ă̂ŁAf͒ߕ̃f[^ (115.2k -33.6k =
  81.6k bps)obt@ɕێȂ΂Ȃ܂B 115.2k bps ̃f[^
  ꂪ~܂ȂAǂ͂̃obt@͈ (󂫗eʂȂȂ
  ) ܂܂B

  łAŃt[䂪𗧂܂Bf̃obt@ꂻɂȂ
  ƁAf̓VA|[gɒ~M𑗂܂BVA|[g͂̒
  ~MfoCXhCoɓnA115.2k bps ̃f[^̗͒~
  Bf́A܂Ńobt@ɒ~f[^oȂÂ܂
  33.6k bps Ńf[^𑗂葱܂Bƃobt@ɂ͉ĂȂ
  ߁Aobt@̃f[^ʂ͌n߂܂Bobt@̃f[^قƂǂ
  ȂƁAf͊JnMVA|[gɑARs[^烂f
  ֍Ă 115.2k bps Ńf[^n߂܂Bt[ɂ莖AZ
  P[uł̕ϓIȃt[x(̏ꍇ 33.6k bps)́Af[^
  uvꍇ̑xł 115.2k bps ƒxȂ܂B
  ꂪuJn- ~vt[łB

  L̊ȒPȗ̓Rs[^烂fւ̗̃t[łA
  Ό̗(fRs[^ւ̌)ɑ΂ėpt[
  ܂BȂ킿f(܂͑̃foCX)Rs[^̌
  Bǂ̗̌ɂ 3 ̃obt@(1. f̃obt@A 2.
  UART `bv( FIFO)̓A3. VAhCoǗ郁C
  ̃obt@)܂Bt[́Ãobt@Ȃ
  悤ɕی삵܂B UART FIFO obt@͂̂悤ȕی󂯂Ă
  ܂񂪁ȂɁÃobt@s銄݂ւ̉ł
  邱Ƃ҂ē삵܂BFIFO ́uFirst In, First Out(ɓ
  f[^ɏo)vƂAoCgf[^̈\Ă܂B 3 
  obt@SĂ FIFO ̋Kœ삵܂A𖼑OƂĎĂ
   1 łBꂪt[̖{łA邱Ƃ͂Ƃ
  񂠂܂B

  (f PC ւ)̃t[͕KvȂƂłB
  KvƂȂ镡GȗɊւĂ Serial-HOWTO  ``Gȃt[
  '' BAfƃRs[^(VA|[g)
  [ɍȐݒ肪ȂꍇAf PC ւ̗炷Kv
  B̂߂ɂ́Adb̃f[^̗~Ȃ΂Ȃ܂
  Bf͑Ό郂fɑM~悤`Ȃ΂܂
  B``fԂ̃t['' B

  [  : JF vWFNgɂ{ Serial-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Serial-HOWTO.html> ]

  4.9.2.  n[hEFAt[΃\tgEFAt[

  \ł΁Ał邾un[hEFAṽt[g܂傤B
  ͐ṕufv 2 {gAu~(stop)vƁuJn(start)v
  ̐M𑗂̂łB

  ŋ߂̃f̓VA|[gƂ̊ԂŁAn[hEFAt[قڏ펞
  p܂B

  \tgEFAt[́AM𑗂邽߂ ASCII 䕶 DC1(J
  n) DC3(~)g܂B̐䕶͒PɁAʏ̃f[^Xg[
  ɑ}܂B\tgEFÃt[͔xłȂA
  ȑ΍uȂ΃fgăoCif[^𑗂邱Ƃł܂
  BoCif[^ɂ͑At[p̐䕶 DC1, DC3 Ă
  ܂B]āAȑ΍𗧂ĂāAt[̒~Mł DC3 ƃo
  CiR[ḧꕔł DC3 ʂȂ΂Ȃ܂BDC1 ɂ
  lłB

  oCif[^ɑ΂ă\tgEFAt[s߂ɂ́Af(
  n[hEFA)ƃ\tgEFA̗ł̑ΉKvłB

  4.9.3.  t[䂪ȂƂ̏Ǐ

  t[̗ĂƁAۂɖ𗧂Ƃ܂BႦ΁A
  ҂̓fgăC^[lbgɃANZXAȂғĂ邩
  Ɍ܂BA PC  ISP ֑傫ȃt@C𑗂낤
  ƂہAʂ̍đёM肪܂B( Kermit ͑
  đ̂̂At@C𑗂邱Ƃł܂B) (ISP 璘҂ւ)
  t̎Mł͉KɓĂ܂B̖̓f̃t[䂪
  ɂȂn[hEFǍׂɂ̂łB҂̃f̓f[^M
  ~߂邽߂́u~vMRs[^ɑȂ̂ŁA傫ȑM
  t@CŃobt@I[o[t[(I[o[)܂BfR
  s[^ւ̕ł́Adb̗ʂ( 115.2k Ƃ)f
  Rs[^ւ̗eʂ̂قɑ傫߁A肪܂ł
  BɃt[LɂR}htt[L
  ɂ邱ƂŁA̖܂(ftHgŗLɂȂĂ
  Ȃ̂ɁAĂȂĂ܂ł)B

  4.9.4.  fԂ̃t[

  ͓dbʂ 2 ̃fԂŃf[^𑗂ۂ́At[Ɋ
  LqłBG[Lȏꍇ̂݁AfԂ̃t[͉\
  Ȃ܂BہAG[sȂ΁AfԂ̃\tgEFAt[
  Lɂł܂AoCif[^̑MW邩Ȃ̂ŁA
  ܂p܂B

  4.10.  f[^t[oH - obt@

  ̘bɂẮAt[A(n[hEFA) 16 oCg FIFO
  obt@̑΁Afɂ傫ȃobt@΂܂߂啔ɐ
  BAȊOɂ܂obt@̑΂܂BC
  傫( 8kB )obt@AVA|[g̃obt@
  ƌĂ΂܂BAvP[VvOf[^VA|[g (
  ăf)ɑƁÃf[^͂܂C̕(VA|[g
  ) Mobt@Ɋi[܂Bobt@̑΂̓f[^̗̌
  łAMobt@ƎMobt@̑gݍłB

  VA|[g̃foCXhCóAႦ 16 oCg̃f[^ 1 oC
  gMobt@oAVA|[g̃n[hEFA
  MpɎĂ鑗Mobt@ɓ܂Bxf[^Mobt@ɓ
  ƁȂM~߂@͂܂BẴf[^̓VA|[g
  K؂ȑ傫(炭 1KB )̃obt@f֑o܂B
  foCXhCo(t[̎w󂯂)Rs[^瑗M
  f[^̗~߂ƂAۂɎ~܂̂̓C̑傫ȑM
  obt@瑗of[^̗łBf[^~߂Af֑
  of[^̗ꂪ~܂łĂAAvP[VvO
  ́A8kB ̑Mobt@ςɂȂ܂ł́AɃf[^𑗂葱
  邱Ƃł܂B

  ̃obt@ςɂȂƁAAvP[VvO͂ȏ
  f[^𑗂(C ł ``write'' g܂) ƂłȂȂAA
  vP[V̎sꎞIɒ~ăobt@ɋ󂫂ł̂҂
  B̂悤ɁAt[ ``stop'' M͌ǁAf[^𑗂vO
  ~߂邱Ƃł܂B̃vO~܂ĂARs[^͌v
  Z~߂Kv͂܂Bt[ stop M󂯂đ҂Ă
  ́Aʂ̃vZXɐؑւ΂悢̂łBȏ̐͑ȗ
  ܂A``write'' ҂ĂԂɃAvP[VvÔ
  ʏ@Ƃ͕ʂɂ邩łB

  4.11.  fR}h

  ʐM\tgEFA̓f[^𑗂zƓzpāAfփR}h
  𑗂܂B̃R}h͒Z ASCII łBႦ΁A ``AT&K3'' 
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  B``ATDT5393401'' ͓dbԍ 5393401 _C܂BׂẴR}
  h ``AT'' Ŏn܂邱ƂɒӂĂBR}h̓t
  [LɂȂǁAfݒ肷邽߂ɖ𗧂܂B̑̃R
  }h͓dbԍ_CȂǁA炩̓s܂B 100 
  ̈قȂgp\ȃR}h܂BʐM\tgEFAo
  ƁAfݒ肷邽߂ɃR}h́uvfɑ
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  ʏ̃f[^ʐMpđ܂B

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  fׂ֑Ẵf[^͂̃f֒ړBAR}h
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  f[^ׂĂf߂R}h[hցuGXP[vv@
  ܂BRs[^̎ԊԊu ``+++''݂̂𑗐M܂B
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  ̓fɐM𑗂邱ƂłB

  C^[lbgɂ͑̃fR}h̃Xg܂B``Web TC
  g'' ̐߂ł́AEFuTCgւ̃NڂĂ܂BقȂ
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  āA郂f̃R}h̃fł͓삵Ȃ\܂B(
  ׂẴfœ삷ۏ؂͂܂)ʂ̃R}h́A
  HOWTO  ``f̐ݒ '' ̐߂ɍڂĂ܂B

  4.12.  VA\tgEFA: foCXhCoW[

  VA|[gp̃foCXhCóAVA|[g𑀍삷\tg
  EFAłB݂͂̓VAW[ƂėpӂĂ܂B
  W[͕ʁAKvȂƂɎIɓǂݍ܂܂Bo[W 2.2
  ȍ~̃J[l͂s܂BÂJ[lł́AKvȂƂ
  W[Iɓǂݍނ߂ɂ kerneld sKv܂
  BsȂꍇɂ́A/etc/modules ɖIɗ񋓂Kv
  ܂BW[ Linux ňʓIɂȂÓAVAhCo̓J[
  lɑgݍނ̂ʂłBAVAhCo܂J[lɑg
  ݍł̂Ȃ(J[l̃RpCɂÎ܂
  )AVAW[[hĂ͂܂B[h
  VAhCo 2 ɂȂĂ܂ƁAVA|[g͎gȂȂ
  ܂B̏ꍇɃVA|[gI[v悤Ƃ ``I/O error''
  ƂȂ܂B

  VAW[ǂݍ܂ƁA݂VA|[gɊւ郁b
  Z[Wʂɕ\܂(Ԉ IRQ \邱Ƃ悭
  )BAx setserial găfoCXhCo(Ԃ)
  IRQ ΁Aɂ͈xڂƎ`Ő IRQ \͂
  łBsetserial ̏ڍׂɂĂ ``setserial Ƃ͉?'' 
  B

  J[l̃\[XR[hҏWăhCoC邱Ƃł܂BV
  AhCȏ啔 serial.c t@Cɂ܂BVA|[gg
  vȌڂɂẮASerial-Programming-HOWTO 
  ( Vern Hoxie 񂪉ł)B

  [ : JF vWFNgɂ{ Serial-Programming-HOWTO
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  5.  ݒ̊Tv

  MS Windows 邢 DOS ݂̂ŃfgȂAẴf
  ͂t邾ł悭A삷ł傤BOtfłȂ
  ALinux ł͂Ă̏ꍇ̂悤ɊȒPɂ͂܂B (``Plug
  and Play'' ƃx\ĂƂĂ) Otf͐삷
  ͂łBAŋ߂̓f̑̓vO&vC (PnP) ł
  APnP ̃VA|[g܂BISA ̃fȂALinux 
  ``isapnp'' vOgKv邩܂Bڍׂ Plug-and-
  Play-HOWTO B

  [ : JF vWFNgɂ{ Plug-and-Play-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Plug-and-Play-HOWTO.html> ]

  f̓VA|[gƘAg邽߁Af̐ݒɂ͂ӂ̕
  ܂B

  o  fg̐ݒ - ʐM[Őݒ肷

  o  f̃VA|[g̐ݒ - *ꕔ*ʐM[Őݒ肷

  (ڂłĕKvł͂Ȃ)Lݒ̑́AfƂƂɎg
  minicom, seyon, wvdial Ȃǂ̒ʐMvO PPP Őݒ肵܂Bf
  _CCɎgpĂ̂ȂAK҂ɃOCvvgo͂
   getty vOf̐ݒɖ𗧂܂B]āAf(ăV
  A|[g̑啔)ݒ肷邽߂ɂ́AʐMvO(邢 PPP
   getty )ݒ肷Kv܂B

  L̐ݒƂł́AVA|[g IO AhX IRQ n[hEFA
  ƃhCoɐݒ肷悤ȁA჌x̐ݒ͍s܂B^ǂ΁A
  Linux NۂɎIɐݒ肳܂BȑO̓WpŃn[hEFA
  ̐ݒs܂Á݂uvO&vCvɂ\tgEFAŐݒ
  ܂B

  A[Ȗ肪܂ - (1999N̏Ił) Linux ̓vO& v
  C̃Iy[eBOVXeł͂܂BAgɂǂ
  vO&vCݒłc[܂B߂ł͍Xɏڂqׂ
  B

  6.  VA|[g̐ݒ

  6.1.  PCI oX͂܂T|[gĂ܂

  J[l 2.2 ̃VAhCo PCI oXT|[gĂ܂B
  AJ[l 2.3  2.4 ł́AɈꕔ PCI VA{[h(у
  f{[h)ɑΉ܂BقƂǂ PCI {[h́AhCoɂ
  T|[gKvłBhCo̓{[hɃfW^IɊi[Ă ID 
  ǂݍ݁Ã{[hɂǂđΉ邩(邢̓T|[g邩ǂ
  )߂܂BmɃ\tgEFAfł͂Ȃ̂ɓ삵Ȃ PCI {[
  hł΁Ã{[hp̃hCo菕ł܂B
  ߂ɂ́AVAhCõeił Theodore (Ted) Y. Ts'o 
  ɘAKv܂B

  ̍ۂɂ́A``lspci -vv'' ̏o͂̃Rs[ PCI f(܂̓VA
  |[g)̃fƃ[J[Ɋւڂdq[őKv
  ܂B΁Aނ͓삷邩ȂeXgphCȍꏊ
  邾Ăł傤BɁÃhCo肵ăRpC
  ܂BJ[lăRpC邱ƂɂȂł傤BāÃh
  CoeXgĂ܂삷邩ǂ𒲂ׁǍʂ Ted Ts'o 
  ɕ񍐂܂BL̎菇SĂƍs肪Ȃ(Ă
  ̕ŐVłȂ)AނɕKvȏ𑗂ĂB[AhX
  <mailto:tytso@mit.edu> łB

  PCI f͂܂WĂ܂Bꕔ̃{[h PC Ƃ I/O 
  Cg܂(ISA {[h͂ꍇɂ I/O AhX
  g܂)Bꕔ̃{[h́Aȕ@gȂ IRQ LɂȂ
  B``lspci'' ̏o͂΁A{[hT|[gĂ邩ǂ
  ׂɗł傤Bׂb܂Ȃ΁AM҂̕@
  ĒׁȀ̃̕o[WŐ邩܂B

  6.2.  ݒ̊Tv

  ̏ꍇAݒ͎IɍŝŁA[U邱Ƃ͉܂
  BꍇɂĂ͐ݒsKv܂(Pɐݒm߂邾
  ̂Ƃł傤)BꍇɍŏɂׂƂ́ALinux 
  VA|[g̐ݒ 2 ̕m邱ƂłB

  ŏ̕(჌xݒ)́AI/O AhXAIRQAO (ttyS2 Ȃ) 
  蓖Ă邱ƂłB I/O  IRQ ̑ǵAn[hEFAƃVAhC
  o̗ɐݒ肵Ȃ΂Ȃ܂BȒPɁuIO  IRQ ̐ݒv
  ĂԂƂɂ܂傤Bsetserial ̓hCoݒ肷邽߂Ɏg܂B
  PnP ̋@\WpȂǂ̓n[hEFA̐ݒɗp܂Bڂ͌q
  ܂BݒKvɂւ炸ڂƂĂȂ΁A
  ɖɏoĂ܂ł傤B

  2 Ԗڂ̕(x̐ݒ)͑x(38.4K rbg/bȂ)̐ݒt[
  ̑IȂǂłB͂Ƃɂ PPP  minicom ƂʐMvO
  Agetty (̐lȂ̃Rs[^փOCł悤Ƀ|[g
  œ삵܂)s܂BAݒ胁j[ݒt@CɂA
  gxvO֎w肷Kv܂B̍x̐ݒ
  ́A stty vOɂĂs܂B stty ́A肪ƂɌ
  ̏Ԃ\ɂ܂BSerial-HOWTO  ``stty'' ̏͂
  BLinux NƂɂ́A̃VA|[ǧo(
  ჌x)ݒ肪݂܂BmɂǂȂ̂́Ag BIOS, n[
  hEFAA Linux fBXgr[VȂǂɂĈႢ܂BVA
  |[g܂삵ĂȂ΁AKv͂܂BAvP[
  VvO͑̏ꍇAx̐ݒs܂AKvȏ
  ^Kv邩܂B(fɑgݍ܂邱Ƃ)v
  O&vC̃VA|[gł́A͂ƕGɂȂ܂B჌x
  ̐ݒ(IRQ  I/O AhX̐ݒ)sKvꍇȉɎ܂:

  o  3 ȏ̃VA|[ggꍇ

  o  VVA|[g(fȂ)CXg[ꍇ

  o  VA|[gŖ肪Nꍇ

  o[W 2.2 ȍ~̃J[lł́A݂̋LgΒ჌x̐ݒ
  sȂĂ 3 ȏ̃VA|[gg܂B̋L̓VA
  |[g̃n[hEFAΉĂꍇɂ̂ݓ삵܂A჌x̐
  ȒPƂ͂܂B``2.2 ȍ~̃J[ lƊ݂̋L'' 
  B

  ჌x̐ݒ(IRQ  I/O AhX̐ݒ)́A(x̐ݒƔׂ
  ) rIN₷悤łB̏ꍇ͊SɎŁA
  肷邱ƂȂ̂ɂłBŁȀ͂̑啔̘͂b܂B
  VAhCo IRQ  I/O AhXm܂ł́A|[g͑S
  삵Ȃł傤BLinux ł͌oȂł傤BoꂽƂ
  ĂA IRQ ԈĂ΁A͋ɂ߂Ēx܂B ``̏
  Ȃx: eLXgxĂʂɕ\܂ '' Ă
  B

  Wintel ̐Eł́AI/O AhX IRQ ́u\[XvƌĂ΂܂B]
  āAX͓̃\[Xݒ肵Ă邱ƂɂȂ܂BAu\[
  Xvɂ͑̎ނ̂ŁA̒Pɂ͑ɂFXȈӖ܂B
  KɂȂ܂A჌x̐ݒ 2 ̒l(IRQ ԍ I/O )AhX
  2 ̏ꏊɐݒ肷邱Ƃł:

  1. foCXhCo(̏ꍇAN ``setserial'' sĐݒ
     ܂)

  2. VA|[g̃n[hEFÂ̂̃WX^

  N(= u[g)bZ[WĂB͒ʏ͐łB
  肪NĂꍇɂ́ÃbZ[Ẅꕔn[hEFA̐
  ݒĂȂ(ĐȂƎv)\łB
  ``I/O AhX IRQ: ÑbZ[W'' B

  6.3.  ӂꂽԈႢŋN჌xݒ̂蒼

  ̐lĂ܂ʓIȊԈႢ܂:

  o  setserial R}h: (autoconfig IvVt) setserial 
     sAn[hEFAׂꂽƎv(ۂɂׂ͒܂)

  o  setserial ̃bZ[W: Nɉʂɕ\郁bZ[WāA
     n[hEFAۂɐݒ肳ꂽʂƊԈĐMĂ܂

  o  /proc/interrupt: VA|[ggĂȂƂ́Å݂
     /proc/interrupts ɌȂAăVA|[g
     Ȃ(邢݂͊ݒ肳ĂȂ)ƌĐMĂ܂

  o  /proc/ioports: ̃t@C(ԂԈႢ) setserial Ɠf[
     ^\ĂȂƂAꂪn[hEFAݒ\ƍl
     ܂

  6.4.  I/O AhX IRQ: ÑbZ[W

  ̏ꍇA|[g̒჌x̐ݒ͋NɎIɍs܂(
  ɐƂ͌܂)BNĂ邩ׂɂ́Aʏ̋N
  bZ[W܂傤BLinux [hO BIOS obZ[
  W(͋܂)̊mFӂȂłBBIOS ̃bZ[W
  Pause L[ΈU~܂܂BXN[ėĂ܂bZ[
  Wɂ́AShift-PageUp g܂BShift-PageDown ł͉ɃXN
  [܂Bdmesg R}hg΂łNbZ[Ẅꕔ
  Ƃł܂A厖ȕĂ邱Ƃ悭܂BN
  bZ[W(1999 ΂̎_)̗ȉɎ܂: ttyS00  /dev/ttyS0
  Ɠł_ɒӂĂB

       oꂽ̂ŏɕ\܂( IRQ ͑Gcɐ肵̂
       ߂܂):

       Serial driver version 4.27 with no serial options enabled
       ttyS00 at 0x03f8 (irq = 4) is a 16550A
       ttyS01 at 0x02f8 (irq = 3) is a 16550A
       ttyS02 at 0x03e8 (irq = 4) is a 16550A

       ۑꂽlŕ\܂AƂ͌܂:

       Loading the saved-state of the serial devices...
       /dev/ttyS0 at 0x03f8 (irq = 4) is a 16550A
       /dev/ttyS1 at 0x02f8 (irq = 3) is a 16550A
       /dev/ttyS2 at 0x03e8 (irq = 5) is a 16550A

  Ƃsv_ɒӂĂBŏ̃bZ[Wł
  IRQ=4  ttyS2 悤ɕ\Ă܂AԖڂ̃bZ[Wł
  IRQ=5 ɂȂĂ܂Bŏ̃bZ[W\ȂƂ܂B
  قƂǂ̏ꍇ͍Ōɕ\̂bZ[WłB
  ꍇɂ͕킵܂B̏͂̎cɏĂ邱
  ۂ̐ǂޑOɁAƂ肠VA|[ggĂ݂āA
  삷邩ǂ𒲂ׂƂ悢ł傤BƓ삵ĂȂ΁A
  ͓̐ɓǂ܂ȂĂ܂܂B

  2 Ԗڂ̃bZ[ẂANɎs setserial vOo͂
  ܂B̃bZ[ẂAfoCXhCoƎvĂݒ
  ܂BAԈĂ邱Ƃ܂BႦ΁An[hEFA
  IRQ ۂɂ IRQ=8 ɐݒ肳Ă邱Ƃ܂(ǂ̃bZ[W
  ԈĂ܂)BIRQ=5 \̂́ANԈĂ̏
  t@Cɓꂽ(邢͂Ɠl̗R)łBLinux Ƃǂ
  Ԉ IRQ 擾̂́ALinux  IRQ ̒TsȂłB
  Linux ͒PɁuWv IRQ 肷邩(ŏ̃bZ[W)A[U
  sݒ̂܂܎g܂(2Ԗڂ̃bZ[W)B̗҂͂A
  Ƃ͌܂BVAhCo IRQ ԈĂƁAVA
  |[g̓삪ɒxȂA܂삵ĂȂ悤Ɍ
  肵܂B

  ŏ̃bZ[ẂALinux VA|[g̒TsʂłA
  IRQ ołĂ܂B|[gɌꂽꍇÃ|[g͑
  ܂AIRQ ͊ԈĂ邱Ƃ܂BLinux  IRQ ̃`FbN
  s܂BȂȂA`FbNĂt[v[tɂȂȂ
  B Linux  IRQ Ɏlł邱Ƃ肵܂BȂȂA
  炪uWIvȒlłB setserial  autoconfig IvV
  auto_irq IvVtĎsA蓮ŊmFsƂł܂B
  A̒lۏ؂͂܂B

  BIOS ̃bZ[Wɕ\f[^(ŏɕ\)̓n[hEFA
  ݒ肳ĂlłBVA|[gvO&vCȂ΁A isapnp 
  sĂ̐ݒς邱Ƃł܂BLinux NɁA
  Ɋւ郁bZ[WT܂傤B̗ɋĂAŌ̃VA
  |[g̃bZ[ẂABIOS ̃bZ[WƈvĂȂ΂Ȃ܂
  BvȂꍇɂ́A|[g̃n[hEFA̐ݒύX邩An[h
  EFAɎۂɐݒ肳Ăe setserial găhCoɋ
  Ă͂Ȃ܂B

  ܂AvO&vC̃VA|[gg̏ꍇɂ́AvO& vC
  ̃\tgEFAn[hEFA IRQ  I/O ݒ肵Ȃ΁A Linux
  ͂o܂B́AIɑ݂VA|[gN
  bZ[Wŕ\ȂʓIȗRłBPC ̃n[hEFA(PnP BIOS)
  ͂̂悤ȃVA|[g̒჌xȐݒIɍs܂B PnP 
  ݒ͌Ő܂B

  6.5.  VA|[ǧ݂ I/O AhX IRQ ̐ݒ?

  O̐߂ł́ANbZ[WĐݒ𒲂ׂ@܂BN
  bZ[Wŏ\ȏ񂪓΁A̐߂ǂޕKv͂܂B
  \łȂ΁A𒲂ׂ@܂B

  uI/O  IRQ ̐ݒ͂ǂȂĂ?vƂւ͎̓ۂɂ 2
  ʂ肠܂B

  o  foCXhCoɐݒ肳Ăl(Ă setserial Őݒƕ\
     s܂)B

  o  ۂɃn[hEFAɐݒ肳ĂlB

  ҂͓lłȂ΂Ȃ܂BȂĂȂƁAhCo
  镨IȃVA|[gɊւ񂪊ԈĂ̂ŁAN
  ܂BԈ I/O AhXhCoɐݒ肳ĂƁAhCo
  ݂͑Ȃ|[gɃf[^𑗂낤Ƃ܂B邢͂ƈP[X
  ẮAVA|[głȂ݂̃|[gɃf[^𑗂낤Ƃ܂B
   IRQ hCoɐݒ肳ĂƁAhCoVA|[g
  ̊݃T[rXv󂯎ꂸɁAVA|[g̃obt@ꂽ
  ɒxȂ\܂B ``̏Ȃx : eLXg
  xĂʂɕ\܂'' BhCoɐݒ
  Ă UART ̃fԈĂꍇɂ肪N₷
  BI/O - IRQ ̑ghCoƃn[hEFAœǂm߂
  ́AhCoƃn[hEFȂoǂ̂悤ɐݒ肳ꂽm߂Kv
  ܂B

  6.5.1.  foCXhCo̐ݒ?

  𒲂ׂ̂͊ȒPłBPɋNbZ[W邩A ``setserial - g
  /dev/ttyS*'' s邾łBVA|[g܂삵Ă
  ΁A̕\en[hEFAɂݒ肳Ăł傤B̏
  ׂʂ̕@ƂẮA/proc fBNgɂut@Cv@
  ܂B̂悤ȕʂ̕@dvȗŔA̓foCXh
  Coɐݒ肳Ă񂵂\ȂƂɒӂĂ炤߂łB
  ꕔ̐ĺA/proc fBNgɂ̃t@CāAꂪn[h
  EFAɐݒ肳ĂƊႢĂ܂܂AuKł͂
  ܂vB

  /proc/ioports ́AhCogĂ I/O AhX\܂B
  /proc/interrupt ́Aݓ삵Ă(foCXI[v)vZX
  hCogĂ IRQ \܂BL̂̏ꍇA\
  ̂̓hCo̐ݒełAn[hEFA̎ۂ̐ݒeł͕K
  ܂B/proc/interrupt ́Aꂼ̃foCXɑ΂Ċ݂
  sꂽ̂\܂(̂Ƃ悭܂)B̏
  ̎肪ނƂł܂BȂȂAʂ݂̊
  sĂ΁Å݂gĂn[hEFAǂɂƂ
  ƂłB݂\ȂƂ́AƂɂ݂̊
  ۂɂ͂ǂ̃VA|[gɂĂIɐĂȂƂӖ
  ܂B]āAgƂĂVA|[gɑ΂ĂقƂǊ݂
  sĂȂ΁An[hEFAɂ݂͊ݒ肳ĂȂ
  A܂hCoԈ݂gĂƂƂ܂
  Bݎs(``minicom'' ̂悤)vO`FbN邽߂
  /proc/interruputs ɂ́Ãt@CĂԂ͂ƃvO
  sKv܂Bsɂ́AvOI
  VFɍsĂ݂܂傤B

  6.5.2.  VA|[g̃n[hEFA̐ݒ?

  foCX̃n[hEFAɎۂɂǂ I/O AhX IRQ ݒ肳Ă
  ̂𒲂ׂɂ͂ǂ΂̂ł傤? Linux Nn߂OɁA
   BIOS ̃bZ[Wx̏Ăł傤B Shift-
  PageUp L[gċNbZ[W̕\߂ABIOS oԍŏ
  bZ[W܂傤B Linux NO̐ݒłB
  setserial ͂̐ݒς邱Ƃ͂ł܂񂪁Aisapnp  pciutils 
  ݒς邱Ƃł܂B

  Gcȕ@̈ƂāA``autoconfig'' IvVt setserial
  Ɍos킹Ă݂@܂B̕@ł́AosAhX
  肷Kv܂B ``setserial Ƃ͉?  '' ĂBPCI
  VA|[g̏ꍇɂ́A``lspci'' R}hgĂ(J[l
  2.2 ł /proc/pci Ă)Bg̃VA|[gvO
  &vCȂ΁Aȉ 2 ̐߂ĂB

  WpŐݒ肵|[g̏ꍇ́A̓WpŐݒ肵ełB
  |[gvO&vC(PnP)ł͂Ȃ DOS vOgĐݒ肳
  Ăꍇɂ́ÃvOslݒ肵悤ɐݒ肳
  ܂B

  6.5.3.  PnP VA|[g̃n[hEFA̐ݒ?

  PnP VA|[ǵAd؂Ƃɐݒn[hEFAɕۑ܂
  B́Ad؂Ăݒ肪ςȂWp( PnP)ƑΏƓI
  BISA PnP VA|[ggł΁AVA|[gS I/O
  AhX IRQ AgȂԂɂȂ\܂B
  ̏ꍇł܂Apnpdump gẴVA|[g邱Ƃ\
  Ȃ͂łB

  ISA oXł̃vO&vC̏ꍇApnpdump (isapnptools Ɋ܂܂Ă
  )Ƃ悢ł傤B--dumpregs IvVgƁA|[gɐݒ肳
  Ăۂ I/O AhX IRQ \͂łB pnpdump 
  uvAhX̓foCX I/O AhXł͂ȂAȂ̂łB

  PnP |[g𒲂ׂɓẮADOS/Windows ł̐ݒe͂܂ɗ
  ܂BWindows ͐ݒWXgɕۑ܂A Linux
  ł͎g܂B͉炩̏t BIOS ̕sɐݒ
  邱Ƃ܂AWXgɂ Windows ݂̌̐ݒƂ͓
  ĂȂƂ܂BLinux ̋N PnP BIOS Ɏݒ
  Ă̂Ȃ( Linux Nۂɂ́APnP Iy[eBO
  VXełȂ BIOS ݒ肵ĂȂ)ALinux  BIOS ̕s
  ̐ݒg͂łB

  6.6.  VA IRQ ̑I

  OS  PnP BIOS SẴfoCXݒ肷Ƃ{̃vO&vCݒ
  sĂȂ΁AIRQ IԂƂ͂܂BPnP ͍łǂƎv
  銄蓖ĂIłݒ肵܂BALinux ŃvO &vCp
  c[ (isapnp  pcitools) gĂꍇɂ́AIRQ ̑IsKv
  ܂Bg IRQ ɒmĂꍇɂ́A̐߂΂Ă
  ܂܂񂪁AIRQ 0 ̎gł邱Ƃ͒mĂĂ
  (̒iǂł)B

  6.6.1.  IRQ 0  IRQ ł͂Ȃ

  IRQ 0 ͎ۂɂ(n[hEFAł)^C}łAsetserial gV
  A|[g̐ݒɂĂ͓ȈӖĂ܂B̎ẃA
  |[gɂ݂͊ȂƂhCoɓ`AhCo̓|[Og
  s܂B|[O͔Ɍ̂łA݂Փ˂
  ꍇA݂̐ݒ~Xꍇɂ͎Ƃ悢ł傤B IRQ 0
  ݒ肷闘_́An[hEFAɐݒ肳Ă銄ݔԍmKv
  _łBIRQ 0 ́AۂɎg銄݂܂ł̋}̂
  ɎgׂłB

  6.6.2.  ݂̋Lƃo[W 2.2 ȍ~̃J[l

  ʓIȋKł́ASẴfoCXŗL IRQ AIRQ ̋Ls
  ȂƂɂȂĂ܂B̃}`|[ggꍇ̂悤ɁA
  IRQ ̋LĂꍇ܂BALĂƂ
  ĂA͗ǂȂ܂BƂ̂ALĂ銄݂
  ^xɁAǂŊ݂sꂽ̂𒲂ׂȂ΂ȂȂ
  łBāA\ł΁ASẴfoCXɌŗL݂̊^
  ł傤B

  o[W 2.2 ÕJ[lł́AIRQ ͂قƂǂ̃}`|[g{[
  hmłLł܂łBo[W 2.2 ̃J[lȍ~
  ́AꍇɂĂ͑SẴVA|[g IRQ Lł܂Bo[W
   2.2 ̃J[lŋL𓮍삳ɂ́ACONFIG_SERIAL_SHARE_IRQ 
  肵ăJ[lRpCȂ΂Ȃ܂B܂AVA|[g
  n[hEFALɑΉĂȂ΂Ȃ܂(āA2 ̃V
  A{[h 1 ̊ݐɈقȂd𗬂ĂAuꂪ݂
  vƂӖ̓d󂯎܂)Băo[W 2.2 ̃J[
  lłĂA݂̋L͂Ȃǂ܂B

  6.6.3.  ǂ IRQ IԂ?

  VA|[g̃n[hEFAɂ́Aꂽ IRQ ݒłȂƂ
  悭܂B IRQ Փ˂ł傤BāAI̗]
  n͂܂肠܂BPC ł͕ʁAttyS0  ttyS2  IRQ4 ɁAttyS1 
  ttyS3  IRQ3 ɂ܂B /proc/interrupts ΁Aݓ쒆̃v
  Oǂ IRQ gĂ̂킩܂B̂悤 IRQ ͎g
  ł傤B̂ IRQ 5 ̓TEhJ[hgĂ܂A
  VA|[głgĂ܂B

  ȉɁAGreg (Serial-HOWTO ̌X̒)ǂ̂悤
  /etc/rc.d/rc.serial ݒ肵Ă邩܂B rc.serial ͋N
  st@C(VFXNvg)ł(ꏊ▼O͈ႤƂ
  )Bo[W 2.15 ȍ~ ``setserial'' ł́AK̂悤ɐݒ
  s킯ł͂܂񂪁A IRQ ̑I̗ɂȂ܂B

       /sbin/setserial /dev/ttyS0 irq 3        # VA}EX
       /sbin/setserial /dev/ttyS1 irq 4        # Wyse ̃_[
       /sbin/setserial /dev/ttyS2 irq 5        # Zoom ̃f
       /sbin/setserial /dev/ttyS3 irq 9        # US Robotics ̃f

  W IRQ 蓖Ă܂:

          IRQ  0    ^C}`l 0 (uݖvӖ邱Ƃ܂Bڂ͌q܂)
          IRQ  1    L[{[h
          IRQ  2    Rg[ 2 ւ̃JXP[h
          IRQ  3    VA|[g 2
          IRQ  4    VA|[g 1
          IRQ  5    p|[g 2, TEhJ[h
          IRQ  6    tbs[fBXN
          IRQ  7    p|[g 1
          IRQ  8    A^CNbN
          IRQ  9    IRQ2 Ƀ_CNg
          IRQ 10    蓖Ė
          IRQ 11    蓖Ė
          IRQ 12    蓖Ė
          IRQ 13    lRvZbT
          IRQ 14    n[hfBXNRg[ 1
          IRQ 15    n[hfBXNRg[ 2

  ݂IԂ߂̌Iȕ@͂܂B݂}U[{[hA
  ̃{[hgĂȂƂm߂邵܂B2, 3, 4, 5, 7, 10,
  11, 12, 15 IԂƂł܂BIRQ 2  9 ͓ł邱Ƃɒӂ
  BIRQ 2  9 ̂ǂgĂAVAhCo͂
  F܂BɌÂVA{[hg̏ꍇɂ́A8 ȏ IRQ
  ͎gȂ܂B

  IRQ 1, 6, 8, 13, 14 ͎gȂł!  IRQ ̓}U[{[h
  głB}U[{[hgĂ IRQ グƁAƂĂ
  ƂɂȂ܂Bݒ肪IA݂gvOs
  Ƃ /proc/interrupts ĊmFAIRQ ̏Փ˂NĂȂƂm
  ߂ĂB

  6.7.  AhX̑I --ttyS3 ƏՓ˂rfI{[h

  IBM 8514 rfI{[h(Ƃ̗ގi) I/O AhX́AƂł
  0x?2e8 ł(?  2, 4, 8, 9 ̂ꂩ)B16 il̐擪 0 ł錅
  VA|[gꍇɂ(̏ꍇ͂ł)A 0x02e8
  ɂ ttyS3 ƏՓ˂邩܂(AVA|[g܂
  vĂΏՓ˂Ȃ͂ł)B̃AhX ttyS3 gƂ
  ꍇɂ́A͈m点łB

  قƂǂ̏ꍇ́A\ł΃ftHg̃AhXgׂłB
  ŌAhX́A8 oCg͈̔͂̍ŏ̃AhX\Ă܂BႦ
  ΁A 3f8 ͎ۂɂ 3f8-3ff ͈̔͂łBꂼ̃VAfoCX
  (I/O AhXKvƂ鑼̃^CṽfoCXƓ)ŗL̃AhX
  ͈͂KvƂ܂B͏dȂĂ(Փ˂Ă)܂BVA
  |[g̃ftHg̃AhXȉɎ܂:

       ttyS0 ̃AhX 0x3f8
       ttyS1 ̃AhX 0x2f8
       ttyS2 ̃AhX 0x3e8
       ttyS3 ̃AhX 0x2e8

  6.8.  I/O  IRQ ̃n[hEFAւ̐ݒ (ق PnP )

  n[hEFAɐݒ肵ɂ́Asetserial găhCoݒ肷
  邱ƂYȂłB PnP ̃VA|[g̏ꍇɂ́A|[g
  ̃n[hEFA̐ݒ̓WpA(uWpXv̏ꍇɂ) ݒ
  s߂ DOS vO̎sɂčs܂(̃vO PnP
  ɂȂ邩܂)BPnP VA|[gݒ肷ۂɍl
  @̃XgȉɎ܂:

  o  PnP BIOS  CMOS ݒ胁j[g(ʂ ttyS0 (Com1)  ttyS1
     (Com2) ɂOtfoCXɎg܂)

  o  PnP BIOS  PnP VA|[gIɐݒ肳B``PnP BIOS 
     g I/O AhX IRQ ̐ݒ'' QƂĂ

  o  PnP VA|[g PnP Ή Linux gĂȂΉȂ
     Ă܂܂(Plug-and-Play-HOWTO Q)
  o  PCI łȂ PnP VA|[g̏ꍇɂ isapnp p

  o  PCI oX̏ꍇɂ pciutils (pcitools) p

  I/O AhX IRQ ͓dx(PnP g)VA|[g̃
  WX^ɐݒ肵Ȃ΂Ȃ܂BƂ̂APnP n[hEFA͓d
  ؂ꂽƂ̐ݒeoĂȂłBsȒPȕ@́A
  PnP OS gĂ炸ANx BIOS IɐݒsƂ
  PnP BIOS ɋĂ邱ƂłB(PnP OS ł)Windows  PnP OS łȂ
   BIOS ɐݒ肵 Windows NƁA肪N邱Ƃ܂B
  ڂ Plug-and-Play-HOWTO B

  [ : JF vWFNgɂ{ Plug-and-Play-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Plug-and-Play-HOWTO.html> ]

  vO&vC IO  IRQ ̐ݒ邽߂ɐ݌v܂B
  _ Linux ł́Ab₱Ă邾łBW Linux
  J[l̓vO&vC܂肤܂T|[gĂ܂B Linux J[
  lvO&vC OS ɂpb`gĂȂ΁AL̂Ƃ͑S
   OS Iɏł͂łBAgăVA|[g
  ȊÕfoCX̐ݒ悤ƂĂA蓮ŃhCo̐ݒ
  ΂Ȃ܂BƂ̂ALinux ̃hCo PnP Ή Linux 
  ɏĂȂłBisapnptools  BIOS găvO&vC
  ݒsĂȂ΁A 2 ̒lf{[h̃VA|[g
  ̃WX^ɐݒ肷邾łAsetserial ̐ݒ̓[UsKv
  ܂B1999 N߂̎_ł́A̐ݒ͊ȒPł܂
  AڂɂĂ܂B Plug-and-Play-HOWTO 
  isapnptools FAQ B

  [ : JF vWFNgɂ{ Plug-and-Play-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Plug-and-Play-HOWTO.html> ]

  6.8.1.  PnP BIOS g I/O AhX IRQ ̐ݒ

  PnP OS  isapnp g IO  IRQ ̐ݒs@̐̃\
  tgEFAɕtĂɂ炸APnP BIOS ɂݒ
  悤ƎvĂ炻͊ԈႢłBSĂ PnP BIOS s킯
  ł͂܂BBIOS ɂ͕ʁAŏ 2 ̃VA|[gݒ肷邽
  ߂ CMOS j[܂B̃j[͌ɂ܂
  AAward  BIOS Ȃ ``chipset features setup'' ̉ɂ܂B
  ̏ꍇAł͂قƂǉIׂ܂B̂̂j[ɂȂ
  ΁Aŏ 2 ̃VA|[gɂ͕W I/O AhX IRQ ݒ肳
  ܂B``VA|[gfoCX̖O ԍ'' B

  DނƍD܂ƂɊւ炸APC N PnP BIOS  PnP ɂn[
  hEFAfoCX(I/O  IRQ )ݒn߂܂BPnP BIOS s
  s\ŁAc̐ݒ肪(ǎ҂̊F񂪂炭ĂȂ) PnP OS Ɏc
  邩܂B邢 PnP OS ĂȂƐݒ肳Ă
  ɂ́ASĂ PnP foCXSɐݒ肷邩܂񂪁AfoCX
  hCo̐ݒ͍s܂B͓ǎ҂̊F񂪖]ޓłAPnP
  BIOS sݒ𐳊mɒׂ邱Ƃ͕KeՂł͂܂B

  PnP OS ĂȂƂ BIOS ɐݒ肵Ă΁APnP BIOS ͍ŏ 2
  łȂSĂ PnP VA|[g̐ݒs͂łB BIOS ̓
  ԐړIɐ䂷@( MS Windows9x 𓯂 PC ŎgĂ
  )A Windows ɂݒuv邱ƂłB Plug-and-Play-HOWTO
  uforcedvŌĂBWindows Łuvݒ CMOS
  BIOS j[gď㏑̂͊ȒPłB́u㏑v@\̐
  Es BIOS IvVƎv܂B

  [ : JF vWFNgɂ{ Plug-and-Play-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Plug-and-Play-HOWTO.html> ]

  V PnP foCXǉƁABIOS  PnP ݒύXĒs
  Ȃ΂Ȃ܂BՓ˂Kv΁ÃfoCX I/O
   IRQ ̐ݒ肪ς邱Ƃ܂B̖ړÎ߁A PnP foCX
  I/O  IRQ ǂ̂悤ɐݒ肵Ă̂ BIOS ɋĂ΁ABIOS 
   PnP foCX̃XgۑĂ܂B BIOS ɋ@̈
  ́ADOS/Windows  ICU ƌĂ΂vOs邱ƂłB

  ȀŃfoCXhCoݒ肷邽߂ɁABIOS sݒ
  𒲂ׂɂ͂ǂ΂悢ł傤? BIOS gx̏o
  ܂B͐ݒ胁j[ARs[^̋NɉʂɌ郁b
  Z[Wʂē܂B``VA|[g̃n[ hEFA̐ݒ?''
  B

  6.9.  IRQ  I/O AhX setserial ɗ^

  n[hEFA IRQ  I/O AhXݒ肷(邢 PnP 
  蓖Ă悤ɂ)ALinux Nx ``setserial'' R}
  hsKv܂B``N ̐ݒ'' B

  6.10.  ̑̐ݒ

  6.10.1.  n[hEFAt[ (RTS/CTS) ̐ݒ

   ``t['' ɂ̂ŁAB\ȂΏ
  n[hEFAt[gł傤BʐMvO邢
  ``getty'' ɂ̓t[ݒ肷IvV܂(^ǂ΁A
  ftHgŃn[hEFAt[䂪LɂȂĂł傤)Bt[
  (񂠂邢̓ftHgݒɂ)fƃVAhC
  o̗ɐݒ肵Ȃ΂Ȃ܂B (ݒ肪)ʐMvO
  ͗̐ݒs͂łB

  L̐ݒɂn[hEFAt[SɗLɂłȂꍇA
  ł̐ݒsȂ΂܂Bfł͏񂠂邢̓f
  tHgݒɂAn[hEFAt[ݒsƂmFĂ
  BfoCXhCoɐݒ`KvꍇANɎs
  t@Cɏނ̂ǂł傤B``N̐ '' B
  n[hEFAt[s(Ⴆ ttyS2 Ȃǂ)VA|[g
  ꂼɂāAt@CɈȉ̋LqǉKv
  B

       stty crtscts < /dev/ttyS2

  t[䂪LɂȂĂ邩ǂȂAȉ̂悤ɂĂ
  : minicom (邢͗ގ)\tgEFAŁAf̐ݒۂɂ
  AT&V ^CvAn[hEFAt[Ӗ &K3 ̏o͂Ă
  BfoCXhCot[̐ݒmĂ邩ǂAstty -a
  < /dev/ttyS2 ^CvA(n[hEFAt[䖳}CiX
  Ȃ) ``crtscts'' 𒲂ׂĂB

  7.  (VA|[g)f̐ݒ

  7.1.  f̌o

  f̐ݒɑ̎Ԃ₷OɁAfołĂ邩A
  AT R}hȂǂf֑oł邩ǂmFKv܂B
  ]āA܂ŏɎgp\̒ʐMvOɒPȐݒœ
  āAɓ삷邩m߂邱Ƃ߂܂B삵ĂȂAf
  ołĂ܂B삵Ȃ΁A``f Iɂ݂͑̂Ɍ
  oł܂'' B\tgEFAf͌oALinux
  œ삵Ȃ܂B

  7.2.  AT R}h

  fڑVA|[g̐ݒ肪KvłƓɁAf̂
  ݒ肪KvłBf[^𑗐M̂ƓVA AT R}h(
  邢͂ɗގR}h)𑗂āAfݒ肵܂B

  ̃f AT R}hZbggp܂BׂẴR}h
  AT Ŏn܂AÍ̂悤ȒZ ASCII ̃R}hłB: ATZ&K3 
  ɂ Z  &K3  2 ̃R}h܂܂Ă܂BsKȂƂɁAAT R
  }hZbgɂ͑̈قȂނ܂B̂߁A郂fœ
  R}hÃfł͓삵ȂƂ܂B]āA{͂
  苓 AT R}hAȂ̃fœ삷ۏ؂͂܂B
  ЂƂCt邱Ƃ́Af AT R}hɏ]邽߂
  ́AR}h̍Ōɉs𑗂Ȃ΂ȂƂłB

  ̂悤ȃR}h͒ʐMvOIɑ邩A邢͂
  ړ͂܂B̒ʐMvO̓f֒ڃR}h𑗂
  ʂ񋟂Ă܂Bd؂Ƃłf̐ݒLĂ
  ŁẢʂŃfݒ肷邱Ƃ͗ǂ@łB

  f̃}jAĂ̂ȂA炭̃f AT R}h
  Zbg𒲂ׂ邱Ƃł܂B̑ɁAC^[lbgŃR}hZb
  gTĂ݂̂ǂł傤BT[`GWgAR}hɊւ
  LqĂ邯ǂR}hXgڂĂȂTCg̔邽
  ߂ɁAۂ̃R}hɊ܂߂Č邱Ƃǂ܂
  B``Web TCg'' ɋ邢̃TCgĂ݂̂ǂł
  B

  7.3.  : ۑэČďo

  ł̗ Hayes AT fR}hZbgグ܂BׂẴR}
  h AT  2 Ŏn߂Ȃ΂Ȃ܂(Ⴆ΁A AT&C1&D3)B
  f̓dƁAsɊi[ς̐ݒpāAf
  gIɐݒs܂B̐ݒŏ[ȂAׂƂ͂
  ܂B

  [łȂ̂ȂAi[ς݂̐ݒύX邩AfgтɁu
  vƌĂԃR}h𑗂Đݒ肷lł傤BʏA
  ʐMvOs܂Bǂ̂悤ȏ𑗂̂́A
  MvO̐ݒAKermit gȂXNvg̋LqɈˑ܂B
  ĂʐMvOg͕ҏWłAǂȕɂł
  Xł܂BƂɂ́AʐMvO̓[UɃf̌^IA
  vOœKƍl鏉gp邱Ƃ܂B

  ŏɃf̓dꂽۂɎgpݒ́Aŕ\ł
  B̕(vt@CƌĂ)ftHguvƍlĂ\
  ܂BʐMvOf(܂)̕𑗂
  ƁA̓̕ftHg̐ݒύX܂BႦ΁A 2
  ̃R}h܂łȂA 2 ̍ڂύX܂B
  A̃R}h̓f̕ۑς݂̃vt@CĂяoA
  ЂƂ̃R}hŐݒׂ̂ĂύXł܂B

  ŋ߂̃fɂ́A(d؂ĂȂ)sɕۑA
  ̈قȂvt@C܂B҂̃fɂ(ύXł
   0  1 )ӂ̍Hݒvt@C܂BāA(0  1 )
  ӂ̃[U`vt@CāA[Uݒ肵ۑł
  BȂ̃f͂葽̃vt@CĂ邩܂B
  dꂽۂɃ[U`vt@Ĉǂgp邩́Av
  t@Cɕۑς݂̂ЂƂ̍ڂɈˑ܂B&Y0 R}hgp
  ƁA̓dvt@C 0 gp܂B 0 ł͂
   1 ƁAdꂽƂɃvt@C 1 gp܂B

  4 ̊i[ς݃vt@ĈꂩĂяo(vt@Cgp)
  R}h܂BR}h̒ɓl
  ł傤BAdɎIɓǂ݂ރvt@CƓ
  񂪍ĂьĂяoƂĂAŏLɂȂvt@C
  ςȂAݒ͉ς܂BƂvt@CĂь
  яołAݒύXƁȀgƂ͗ǂ
  lłB

  ۑς݂̃vt@C̍Čďo (0 ł͂Ȃ 1 w肷ƃvt@C
   1 gp):

     Z0 [U`vt@C 0 ĂяoZbg(db؂Ȃ)

     &F0
        Ho׎vt@C0ďo

  fփR}h𑗂Đݒ肵A(Ho׎̃vt@CĂяo
  Ď኱ύXꍇ܂) ̐ݒ[U`vt@C֕ۑ
  Ȃł傤 :
  t@C0֕ۑ܂B

  ̐l̓fgxɒfɑ邱Ƃʓ|
  vāAɃf֐ݒۑ܂B܂AōHo
  ̃ftHgݒĂяoǍɃR}hǉĐݒ
  X邱Ƃł܂B̕@ɂAdɓǂݍރ[U`v
  t@CύXƂŖNƂȂȂ܂B

  Ȃ̃fɓK؂Ǝvl炢Agp
  ̂ǂł傤B̒ʐMvÓA̒Ił悤
  ɏ̃CuĂ܂Bł@(āA
  fɊւ鑽̂Ƃwׂ邱)́Af̃}jA
  ďŏƂłB܂Asvɂ邽
  ߁Aݒf̒ɕۑł܂B3 ڂ̑֎@́Al
  ړIɍ킹ĕύXAgăfX^[g邱
  łB

  ʐMvOgp鏉ƁAfR}hɂ͂Ȃ
  邩܂B͒̕ʐMvOg̃R}h (~ ͈
  Iȃ|[ŸӖ)łAfւ͑܂B

  7.4.  ̑̃fR}h

  Modem-HOWTO ̏̃o[Wɂ́A葽 AT R}hڂ邩
  ܂BłA{߂̎ĉ啔͌Â Serial-HOWTO ̂̂
  BׂẴR}h AT Ŏn߂Ȃ΂Ȃ܂BR}h
  񒆂Ɋ܂߂ׂ Hayes AT R}h܂B(܂߂Ȃ΍Ho׎
  ̃ftHgݒA邢͕ۑς݂̐ݒgp܂B)

       E1       R}hGR[ ON
       Q0       UgR[h|[gL
       V1       璷o ON
       S0=0     o͖ (WAITFOR IvVp uugetty s)

  f DCD  DSR Ɋ֌WR}h܂ :

       &C1     ڑ̂ DCD  on
       &S0     DSR 펞 on

  ̃R}h̓fdbƂƐ؂Ƃ̋ɉe܂BDTR
  ǂ̂悤ȓ̂ݒ肵Ă\܂񂪁A̐ݒ@͍Xɕ
  GɂȂ܂B

  fɃvt@CۑłȂ̂ȂAݒt@CȂǂ  
  gpĐݒł܂BÂfɂ̓fBbvXCb`ŃWX^
  ݒ肷̂܂Bݒ肷悤AmFĂB

  Greg Hankins ͂낢ȃf̐ݒWĂ܂BȂ̐
  ނɑ肽̂ȂA܂傤 : <mailto:gregh@cc.gatech.edu>
  ftp://ftp.cc.gatech.edu/pub/people/gregh/modem-configs ɂāA
  ݒt@Cɓ邱Ƃł܂B

  mF: DTR Ƃ USR Courier V.34 f𐳂Zbg
  ́AGreg Hankins  &D2  S13=1 ݒ肵Ȃ΂Ȃ܂
  ( S13 WX^ 0 ɐݒ肵܂)B̑ɂAUSR
  Sportster V.34 fɓ삷邱ƂmF܂B

  mF:  Supra ̃fł DCD ̈̃fƈقȂ
  BSupra gĂȂA&C1 ł͂Ȃ &C0 Ă݂ĂBDTR
  𐳂ɂ́A&D2 ݒ肷Kv܂B

  8.  /dev/ttyS2 Ȃǂ̃VA|[gfoCX

  foCXfBNgɃfoCXɂ́ASerial-HOWTO: u/dev fB
  NgɂfoCX̍쐬@vB

  [  : JF vWFNgɂ{ Serial-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Serial-HOWTO.html> ]

  8.1.  VA|[gfoCX̖OƔԍ

  Linux ł̓foCXɃW[ԍу}Ci[ԍ܂B /dev
  fBNgɂāAeX̃VA|[g ttyS  cua 2 ̖O
  \łB 2 ̃hCo͂킸ɈقȂӂ܂܂Bcua
  foCX͐Ă炸A͎gpȂƂɂȂł傤B``cua f
  oCX'' B

  DOS/Windows  COM g܂Asetserial vO tty00, tty01
  Ȃǂp܂B(PC ̃j^ł)R\[ƂĎgpAVA
  |[gł͂Ȃ /dev/tty0, /dev/tty1 Ȃǂ̃foCXƍĂ͂܂
  BuWIvȏꍇ (COM1 Ȃ) DOS ̖O IO AhXȉ
  ܂B(Ȃ̏ꍇł͈قȂ邩܂)

              set-                                              IO
       dos   serial          major minor         major minor  address
       COM1  tty00  /dev/ttyS0  4,  64;  /dev/cua0  5,  64      3F8
       COM2  tty01  /dev/ttyS1  4,  65;  /dev/cua1  5,  65      2F8
       COM3  tty02  /dev/ttyS2  4,  66;  /dev/cua2  5,  66      3E8
       COM4  tty03  /dev/ttyS3  4,  67;  /dev/cua3  5,  67      2E8

  ׂẴfBXgr[V ttyS foCXp邱ƂɒӂĂ
  ( cua foCXSɔp~ł܂ł͎gp܂)Bȉ̂悤
  ^Cv邱ƂŁAL̂Ƃm߂܂:

       linux% ls -l /dev/cua*
       linux% ls -l /dev/ttyS*

  8.2.  ttySN  /dev/modem փN?

  ̃CXg[Vł́Afp /dev/modem у}EXp
   /dev/mouse Ƃ2̓ʂȃfoCX܂B҂ƂACX
  g[ɖ /dev ȉɂK؂ȃfoCXւ̃V{bNN
  ł(oX}EXĂȂA /dev/mouse ̓oX}EX̃foCX
  wĂł傤)B

  /dev/mouse  /dev/modem ̗_ɊւẮA炩̋c_
  B̃Ngp邱Ƃ͐܂BƂ킯A_CC
  Ƀf̎gplĂ̂ȂA /dev/modem gpƃbNt@
  Cɓ삵Ȃ߁A肪邩܂BD݂ł
  ̃NĝȂANmɐfoCXw悤ɂĂ
  BÃNύX폜ƁAĐݒ肪KvƂȂAv
  P[V邩܂B

  8.3.  cua foCX

  eX ttyS foCX cua foCXƈv܂BA cua foCX
  ͔p~ׂ̂ł邽߁A(cua KvƂȂ) ttyS ĝ
  ǂƂłBcua  ttyS ̊Ԃɂ͈Ⴂ܂AʂvO
  } ttyS |[g cua |[gł邩̂悤ɐU镑킹邱
  łAcua |[g͂͂SKv܂B̌ÂvO
  Acua gpKv܂B

  Ⴄ̂ł傤?  cua  ttyS ̊Ԃ̎ȈႢ́Aʏ ``oepn''
  R}hŃ|[gJƂƂAC vOłǂ̂悤ɏu
  ̂قȂ܂Bcua |[gfMmF悤Zbĝ
  ADCD fMオĂȂĂA|[gJ܂B(ǉ
  R[h)vO ttyS |[gɓl̐U邱
  Ƃł܂BAcua |[g̓f DCD  ON ɂłȂƂ(N
  dbĂȂALAȂƂ) db邽߂ɊȒP
  |[gJƂł܂B̂ƂA cua 𔭐MɗpAttyS
  𒅐MɗpĂRłB

  cua gĂȂ΁ALinux J[l 2.2 NƂɌxb
  Z[WJ[lOɏ܂ł傤B cua ȂȂ肩
  Ă钛łB

  9.  mĂƗǂ낢vO

  9.1.  setserial Ƃ͉?

  9.1.1.  ͂߂

  ăm[g PC (PCMCIA)  setserial gĂ͂܂Bn[hEF
  AŃVA|[g I/O AhXъ (IRQ) ǂ̔ԍɐݒ肵
  Ă̂A邢 UART ̌^ȂǂAsetserial găfoCXh
  Coɓ`邱Ƃł܂B܂Ã݂hCo̐ݒ\邱Ƃ
  ł܂BXɁA(̃IvVg)n[hEFAo邱
  Ƃł܂B

  ЂƂӂ̃VA|[gȂ̂ȂAsetserial gȂĂ
  Ăݒł܂BłȂ(邢̓VA|[gɉ
  肪Ȃ)Asetserial gKvł傤B setserial 
  }jAȊOɂA/usr/doc/setserial.../ Ȃǂɂ𒲂ׂĂ
  Bgp Linux ̃fBXgr[Vǂ̂悤 setserial 
  Ă̂킩ł傤B

  NɃVFXNvg setserial IɓƂ܂B
  VAhCoW[ǂݍ܂Ăꍇɂ̂݁Asetserial 
  삷ł傤B炩̗RɂŃVAhCoW[O
  ȂAsetserial ŎOɍsύX (/etc/serial.conf )J[l
  Ă܂܂B]āAݒ񕜂邽߂ setserial Ă
  Ȃ΂܂BNVFXNvg瓮ƂɉāA
  VAhCoW[ǂݍ܂ꂽۂɂ́Asetserial Ɨގ
  炩̃vO܂B]āAʏ̋ÑbZ[WĂ
  ƁAsetserial  2 񓮂悤Ɍł傤Aۂɓ̂
  B

  K؂ȃIvVg΁Asetserial (^ I/O AhX) VA
  |[goł܂A I/O AhX𐄑Ȃ΂Ȃ܂B
  Ⴆ /dev/ttyS2 oȂAsetserial  ttyS2 ̃A
  hXłołȂł傤B setserial  ttyS2 قȂAh
  Xɂ邱Ƃ`ȂÃAhXŌoł傤B``o''
  B

  setserial ̓VA|[g̃n[hEFA IRQ  I/O AhXݒ肵
  ܂B̒l̓Wp邢̓vO&vCŃn[hEFAɐݒ肳
  ܂Bn[hEFAɐݒ肵̂Ɠ̒l setserial ɓ`Ȃ
  Ȃ܂BȂg₷ƎvlsA̐l
  setserial ɓ`邱Ƃ͂߂ĂBI/O AhXmĂ
  IRQ mȂꍇɂ́AIRQ 邽߂ setserial Ă݂
  ǂł傤B

  (ʏgu̍ۂɎgpA璷o͂ -v Ƃ1 ̃Iv
  V)Ȃ setserial Ƃ^CvƁAgR}h
  ꗗ܂Bsetserial  I/O AhXu|[gvƌĂԂƂɒ
  ĂBȉ̂悤Ƀ^CvƁA

  setserial -g /dev/ttyS*

  foCXhCo|[gǂ̂悤ɐݒ肵A኱̏
  傤BXɏ΁A``-g''IvV ``v'' ǉĂ
  BAn[hEFA̒ɂ̒lۂɐݒ肳Ă邩ǂ
  ́ÃR}h͋Ă܂BہASR I/O AhX₢
  Ȃ IRQ łA܂Ȃɓꂽǂ UART ̌^
  Asetserial 𓮂Ċ蓖Ă邱Ƃł܂BĎ
  ``setserial ...'' ^CvƂAȂɂ̋U̒l\
  ł傤Bsetserial ɂ銄Ă PC ̓d؂Ǝ̂ŁA
  Linux NxɁAĂǂŎI setserial 𓮂
  B

  9.1.2.  o

  VA|[g̃n[hEFAoɂ́A܂ I/O AhXm
  Ȃ΂Ȃ܂(邢͐Ȃ΂Ȃ܂)B܂̓foCXh
  Con[hEFÂ߂ setserial ŎOɓK؂ɐݒ肵 I/O Ah
  XmĂȂ΂Ȃ܂BIȃn[hEFA邽߂
  ́Asetserial  -v (verbose : 璷o) autoconfig R}h
  gĂBo̓bZ[W UART ̌^ 16550A Ƃ悤Ɏ
  Ă̂ȂA肠܂Bł͂ȂA UART ̌^
  ``unknown'' ƎȂA I/O AhXɂ̓VA|[gȂ
  ł܂B̈VA|[gɂ͎̖O𐳂
  Ȃ̂邽߁A``unknown'' ƏoĂɃVA|[g\
  ܂B

  UART ̌^oقɂAsetserial  IRQ oł܂A
  ɐ͓삵܂Bsetserial ̃o[W 2.15 ȏȂAŌ
  ̌oʂALinux ̋NɎgpݒt@C
  /etc/serial.conf ֊i[ł傤BN setserial 𓮂XN
  vg͒ʏ|[goȂ̂́Ao悤ɕύXł܂B߂
  B

  9.1.3.  Linux ͎IɃVAfoCXݒł܂?

  ͂A... gpĂfBXgr[VNɊɐݒ肵
  Ă邩܂BłAJX^}CYȂ邩܂B
   setserial  2.15 gΊȒPłBN setserial 𓮂
  t@CցAsǉĂB``ÓTIȐݒ@: XNvg
  W'' BႦ΁A ttyS3 ɊւẮAN setserial 
  t@Cֈȉ̂悤ɒǉ܂傤:

       /sbin/setserial /dev/ttyS3 auto_irq skip_test autoconfig

  IɏׂẴVA|[gɊւāAlɂĂ
  BRs[^Ɏۂɑ݂foCX^Ă邩Am߂Ă
  B̃P[Xł́An[hEFAŐɓ삹AIRQ
  邢 UART ̃^Cvw肵ǂ܂BႦ΁A

       /sbin/setserial /dev/ttyS3 irq 5 uart 16550A  skip_test

  (gp̃fBXgr[V̕ύXsĂȂ) o[W
  2.15 ȏł́AN setserial 𓮂 /etc/init.d/setserial Ȃ
  ̃t@C[UҏW邱Ƃ͑z肵ĂȂ̂ŁAo̐ݒ
  ƓȂ܂BȑÕo[Wɂ͂悤Ȗ𗧂Rg
  ȂȂĂ邩܂B

  9.1.4.  N̐ݒ

  J[lVAW[ǂݍނ(邢́uW[vJ[
  lɑgݍ܂Ă)AttyS{0-3} ݂̂IɌoA (n[h
  EFAۂɂǂݒ肳Ă邩Ɋւ炸) hCo IRQ  4 
   3 ɐݒ肵܂BȂ͂A setserial ̋NbZ[W
  ƍlĂ܂BA3 ȏ̃|[ggȂÃVA
  W[ɂ鎩ݒ IRQ ̏Փ˂N܂B

  setserial ɖ{ IRQ `āÂ悤ȏՓ(邢̗͑Rɂ
  Փ) ł悤ȁAsetserial ĂѓXNvg邩
  ܂B̌ۂ͑̃vZXVA|[ggpÓAN
  ̏ɔ܂BہAN̏XNvgI setserial
  vO𓮂̂ŁAfBXgr[Vɂ̐ݒsĂ
  ł傤B̌ۂǂ̂A /usr/doc/setserial.../ Ȃǂɒǉ
  񂪂܂B

  9.1.5.  /etc/serial.conf pVݒ@

  o[W 2.15 (1999N) ȑOł́Asetserial ̐ݒ@͋N
  setserial 𓮂VFXNvg蓮ŕҏW邱ƂłB
  setserial ̃o[W 2.15 (1999N) ȍ~ł́AVFXNvgҏW
  Aݒt@C /etc/serial.conf ݒ𓾂܂B
  Aserial.conf ͒ʏ͕ҏW܂B̑ɁA setserial R}
  hCŎgp܂B

  setserial ŕύX̂́AʏVbg_E邢̓u[gɐݒ
  t@C (serial.conf) ֕ۑ܂Bserial.conf ̍ŏ̍s
  ``###AUTOSAVE###'' Ȃǂ on ɂȂĂƂ̂ݓ삵܂B
  setserial ɎgpĐɓ삵ȂȂA̎IȐݒ肪
  ĕۑȂ悤AYꂸɐݒ蒼ĂB (ݒɏ]
  )N setserial 𓮂߂ɈʓIɎgpt@C
  ́A/etc/init.d/setserial (Debian) 邢 /etc/init.d/serial
  (Redhat) ȂǂłBAʏ͂̃t@CҏWׂł܂
  B

  VA|[g𖳌ɂɂ́Asetserial p ``uart none'' ɐ
  肵ĂB``setserial'' ̂Ƃɒue|[gɑ΂R}hC
   1 sp[^ɁA/etc/serial.conf ͎Ă܂Bۑg
  ȂA/etc/serial.conf ŕҏŴǂł傤Bo[W
  2.15 ɊւẮADebian ͎ۑLɂăVXeCXg[
  ܂ARedHat 6.0  /usr/doc/setserial-2.15/rc.serial 邾ŁA
   /etc/init.d/ ֈړȂ΂Ȃ܂B

  oO : 1999 N 6 ݂ł́Â悤ȃoOі肪܂B
  ``setserial -G /dev/ttyS?'' ( ? = 0, 1, 2, ...) ɂ\
  setserial ̃p[^ ###AUTOSAVE### pĕۑł܂A
  Õp[^͕ۑł܂B̃p[^͂ǂȏꍇłقƂ
  gpȂ߁ÃoO͂̃[Uɂe^܂B
  Ƃ̓oOƂĕ񍐂Ă܂A͂Cς݂܂B

  setserial ŃZbg݂̐ݒAVbg_Eɐݒt@C
  (serial.conf) ֕ۑɂ́AVbg_E̍ۂɒʏ퓮삷邱Ƃs
  Ηǂ̂ł : VFXNvg𓮂ĂB
  /etc/init.d/{set}serial stopB``stop'' R}h̓VA|[g𐳏
  ɓ삳܂܁A݂̐ݒۑ܂B

  ̃P[Xł́AÓTIȐݒ@ƐV@̑og悤
  Ă邩܂񂪁ANɂ̂ЂƂ݂̂𓮂Ƃ]
  łBDebian ł ``...pre-2.15'' ͂łɋƂĂ܂B

  9.1.5.1.  ÓTIȐݒ@ : XNvg̕ҏW

  2.15 (1999N) ÓAsetserial ̐ݒt@C /etc/serial.conf 
  ܂łB]āAN setserial 𓮂Ăt@CT
  Kv܂B̃t@C݂ȂAȂ΂
  ܂B(邢͋N̑ɓt@C֒ǉKv
  ܂B) ̂悤ȃt@CݎgpĂȂA /etc fBNg
  ̂ǂɂ܂BARedhat 6.0 Oł͂̃t@C
  /usr/doc/setserial/ ɂAgO /etc ֈړȂ΂Ȃ܂B
  t@CT߂ ``locate'' gƗǂł傤BႦ
  ΁Â悤Ƀ^CvĂ : locate "*serial*"

  ȂTĂ̂ rc.serial 邢 0setserial (Debian) Ƃ
  OłBt@C񋟂ĂȂÃRgAEg
  ꂽႪڂĂł傤B̃RgOύX邱Ƃɂ
  Aݒł͂łBsetserial ̐pXAĐfo
  CXgp悤Am߂ĂBɓ삷邩ǂm߂
  ߁A蓮ł̃t@CsăeXgł܂ (X[p[[UŃt@
  C^Cv邾ł)Bɓ삳邽߂Ƀu[gJԂ
  Â悤ȃeXg͂ƍłBAR}hC
  ^CvĒPƂ setserial R}heXg邱Ƃł܂B
  ̂́A/etc/rc.d/rc.serial ʓIɎgpĂ܂BDebian 
  /etc/rc.boot/0setserial g܂BāA /etc/rc.d/rc.local gp
  Ă܂BA[ɑiKœȂ̂ŁAgƂ͗
  @ł͂܂Brc.local OɃVA|[gJƂ
  ̃vZXAVAʐM̎sɏIƂ񍐂܂B

  9.1.6.   (IRQ)

  ftHgł ttyS0  ttyS2  IRQ 4 LA ttyS1 
  ttyS3  IRQ 3 L܂BAVÅ݂L邱
  ́Aȉ̏𖞂ȂΉ\ƂȂ܂B

  [ :  "ttyS0 and ttyS3 share IRQ 3" łAł傤B]

  1. J[l 2.2 邢͂ȏ

  2. IRQ LT|[g悤J[lRpC

  3. VÃn[hEFALT|[gĂ

  ``݂̋Lƃo[W 2.2 ȍ~̃J[l'' BVA
  |[g ttyS0  ttyS1  2 ȂȂA݂ȂfoCXł
  IRQ L͔̋Ȃ̂ŁA͂܂B

  fǉ ttyS0  ttyS1 cĂ̂ȂAgp
  IRQ ăVA|[g(уf{[h)ɂ IRQ ݒ
  Asetserial phCoɑ΂ IRQ m点ׂłBTEh
  J[h IRQ5 gpĂȂȂ΁Af̂߂Ɏg IRQ ɂȂ
  ܂Bn[hEFA IRQ ݒ肷ɂ isapnp, PnP BIOS 
  p邩A邢 Linux  PnP Ήɂpb`𓖂ĂKv
  B]Ă IRQ ̐ߖS邽߂ɂ́A``man setserial'' ^C
  v ``IRQ 11'' ̋LqTĂB

  9.2.  isapnp Ƃ͉ł傤?

  isapnp ͓f܂ ISA oX̃vO&vC (PnP) foCX
  肷vOłBisapnp  ``isapnptools'' ƂpbP[Wɓ
  Ă܂BāAׂĂ ISA vO&vCfoCXTAPnP ݒ
  t@C /etc/isapnp.conf ɒǉłtH[}bgŃfoCX̐ݒo
  ͂ ``pnpdump'' Ȃǂ́ÃvOĂ܂Bf
  VA|[g IO AhX IRQ \邽߂ɁA--dumpregs I
  vVƂƂ pnpdump gƂł傤BRs[^N
  邲Ƃ isapnp R}h𓮂߂ɁA isapnp t@Cɒ
  A ISA PnP foCXݒ肷邱ƂɂȂ܂BBIOS  PnP 
  T|[gĂȂĂA͉̓\łB

  9.3.  wvdialconf Ƃ?

  wvdialconf ͂ǂ̃VA|[gɃfȂĂ邩T܂B
  āAwvdial ̂߂ɁAݒvO܂Bwvdial  PPP v
  gRp ISP ֊ȒPɓdb邽߂ɗp܂B
  Awvdialconf g߂ PPP CXg[Kv͂܂
  Bwvdialconf ͖gp̃fTołB܂AIɁuK
  ؂ȁvlốAƂǂԈႦ܂B̃R}h
  ̓IvVȂߊȒPɎg܂A(ё̃f[^)
  [߂t@Cw肵Ȃ΂Ȃ܂BႦ΁Â悤 :
  my_config_file_name
  9.4.  stty Ƃ͉ł傤?

  stty  setserial ɎĂ܂AVA|[g̃{[[gё
  p[^ݒ肵܂B``stty -a < /dev/ttyS2'' ƃ^CvƁAttyS2
  ̐ݒ\ł傤Bݒ̑啔 (1970 ŇÂ[łg
  Ȃ悤) fƈꏏɂ͗pKv̂Ȃ̂łBʐMvO
  ̓fIɐݒ肷ł傤BAstty ̓gu
  ̂߂ɏꍇɂĂ͖ɗ܂B

  stty ͈ȉ 2 ̍ڂݒ肵܂ :

  1. crtscts ɂn[hEFAt[

  2. f DCD M ``clocal'' 𖳌ɂ

  f DCD M𑗂炸 clocal (܂ stty  -clocal \
  )Ȃ΁AvO̓VA|[gJ܂B|[gJȂ
  ƁAvO̓f DCD M(Ƃɂ͖ʂ)҂AȂ
  ȂĂ܂܂B

  minicom 𓮂ƎI clocal ݒ肷̂ŁA͂܂
  BA-clocal ŉ̐ݒ悤ƂƁAKermit o[W
  6.0.192 ͓ȂȂ܂B-clocal ݒ肷 DCD MȂ
  A ``stty'' R}hA\ʏ clocal ݒ肷i(
  minicom 𓮂Ƃ)ȂȂ܂BAminicom  -clocal 
  ݒ肵ĂĂAɖ߂܂B-clocal ݒ肵ĂԂE
  oЂƂ̕@́Aminicom g (DCD M󂯎邽߂) f
   ``AT&C'' 𑗂邱ƂłBZbg minicom IƁADCD
  Mc܂BāAĂ stty g悤ɂȂł傤B

  10.  f (db)

  10.1.  db鏀łĂ܂?

  fɓdb݁Aǂ̃VA|[gɂȂĂ̂
  ΁AĂ݂鏀ł܂BC^[lbgւ̐ڑOɁA
  ĒNȂɓdbĂOɁA܂fɓ삵Ă邩
  ׂ܂傤B̂߂ɂ́A̔ԍ֓dbȂǁAPȂ
  ̂玎ĂB܂AfɂȂdbԍTĂB
  dbԍȂȂARs[^VbvŌf (BBS) Ȃǂ̓d
  bԍq˂邩An̐}قɃICژ^T[rX̓dbԍ邩
  ǂׂĂB

  db鏀ƂmFĂB(ttsS2 Ȃǂ)f
  ȂĂVA|[gĂ܂?  VA|[g I/O
   IRQ ݒ肵A̐ݒmĂȂ΂Ȃ܂B̃|[gŎg
  x肵܂?  fÎ߂ɂ ``x\'' Aڍׂɂ
  Ă ``fŎgׂx?'' Bݒ肷ׂx
  ȂȂAL̃f̑x 2-3 {xVAɐݒ
  ĂBun[hEFAt[v邢 ``RTS/CTS'' Ƃ
  IvVI郁j[ǂɂ̂AoĂĂB
  삷dbfɍ݂܂?  _CAg[邩
  m߂邽߂ɁA̓db{̓db@ɂȂł݂̂ǂł
  B

  ꂩAdbʐM(_CA)vOIԕKv܂B_
  CAvOɂ minicom, (X window system ) seyon  kermit
  ܂BʐMvOɊւẮA``ʐMvO '' 
  B 2 ̗A``Minicom  œdb''A``Kermit œdb
   '' ܂B

  10.2.  Minicom œdb

  Minicom ͑ Linux fBXgr[VɕtĂ܂Bݒ肷
  ɂ root ɂȂȂ΂܂Bݒ肷邽߂ɂ́A``minicom -s''
  ƃ^CvĂBƐݒ胁j[oĂ܂B邢́A
  ``minicom'' NAXe[^XC\邽߂ ^A ^Cv
  Ăǂł傤B^A Z ^CvƁAminicom ̓wv\܂B
  wvj[ݒ胁j[ֈړł܂( ^A ^CvĂ
   z Ƃ^CvĂ)B

  IvV̑́APȂ锭M̂߂ɂ͐ݒ肷Kv͂܂Bݒ
  Ȃ΂ȂȂ{Iȍڂ́A/dev/ttyS2 ƂfȂ
  ĂVA|[g̖OA 115200 Ȃǂ̃VA|[g̑x
  B̓VA|[gj[Őݒ肵܂BVA|[gj[
  ړAݒ肵ĂB(\Ȃ)n[hEFAt[ (RTS/CTS)
  ݒ肵ĂBāAݒۑĂBx̐ݒĂ
  ہA``8N1'' Ƃ͂łÂ܂܂ɂĂ܂
  B 1 oCg 8 rbgŃpeBȂAeoCgƂ 1 rbg
  ̃Xgbvrbgt邱ƈӖ܂Bݒ肵xȂ
  ȂA߂̑xȂ瓮삷ł傤Bݒ肪IAj[p
  Ă̐ݒftHg (dfl) ƂĕۑA(^[L[)I
  ĂBVA|[gTfA邢̓wv
  Aminicom Ƀf邽߂ɁA minicom IĂ
  Ăǂł傤B

  Adb鏀܂B܂A``minicom'' ƃ^Cv
  ďoĂ郁CXN[ŁAAT  <enter> L[Af
  ȂĂ̂m߂ĂBOK ƕ\͂łBȂ
  Aǂ܂Ă炸AɓdbĂӖ͂
  B

  ``OK'' ԂĂAwv֖߂_COIłB
  ҏWēdbԍȂǂ͂Adb邽 ``dial'' IĂ
  B邢́A蓮œdb邩܂ (``manual'' I
  AL[{[hœdbԍ͂Ă)Bɓ삵ȂA
  TdɂׂẴG[bZ[WÂ悤ɂ
  ĂB

  10.3.  Kermit œdb

  kermit ̍ŐVo[W  <http://www.columbia.edu/kermit/> ɂ
  BႦ΁Af ttyS3 ɂȂĂ葬x 115200 bps ̂Ƃ
  ́Aȉ̂悤ɂ܂傤 :

  linux# kermit
  C-Kermit 6.0.192, 6 Sep 96, for Linux
   Copyright (C) 1985, 1996,
    Trustees of Columbia University in the City of New York.
  Default file-transfer mode is BINARY
  Type ? or HELP for help.
  C-Kermit>set line /dev/ttyS3
  C-Kermit>set carrier-watch off
  C-Kermit>set speed 115200
  /dev/ttyS3, 115200 bps
  C-Kermit>c
  Connecting to /dev/ttyS3, speed 115200.
  The escape character is Ctrl-\ (ASCII 28, FS)
  Type the escape character followed by C to get back,
  or followed by ? to see other options.
  ATE1Q0V1                           ; you type this and then the Enter key
  OK                                 ; modem should respond with this

  AT ɃfȂALinux Ńfɓ삵ĂƔf
  ܂BɁAɑ̃f֓dbĂ݂܂傤 :

       ATDT7654321

  ŁA7654321 ͓dbԍłB_CgĂȂA
  ATDT ł͂Ȃ ATDP gpĂBʘbłȂAf͐
  삵Ă܂B

  kermit vvg֖߂ARg[L[܂܃obNXbV
  ăRg[L[A C L[Ă :

       Ctrl-\-C
       (Back at linux)
       C-Kermit>quit
       linux#

  ͌nIȁu蓮v_CO@peXgłBʏ̕@
  ́Aff[^x[XюIɓdb@\pāA
  kermit ɓdb܂B

  linux# kermit
  C-Kermit 6.0.192, 6 Sep 1997, for Linux
   Copyright (C) 1985, 1996,
    Trustees of Columbia University in the City of New York.
  Default file-transfer mode is BINARY
  Type ? or HELP for help
  C-Kermit>set modem type usr        ; Select modem type
  C-Kermit>set line /dev/ttyS3       ; Select communication device
  C-Kermit>set speed 115200          ; Set the dialing speed
  C-Kermit>dial 7654321              ; Dial
   Number: 7654321
   Device=/dev/ttyS3, modem=usr, speed=115200
   Call completed.<BEEP>
  Connecting to /dev/ttyS3, speed 115200
  The escape character is Ctrl-\ (ASCII 28, FS).
  Type the escape character followed by C to get back,
  or followed by ? to see other options.

  Welcome to ...

  login:

  11.  _CC

  11.1.  Tv

  _CCƂ́AȂ̓dbԍ_CĂȂ PC g
  ɁAȂ PC ݒ肷邱ƂłBu_v͂Ȃ PC ɂ
  BȂ PC 甭MƁÃRs[^փ_CC邱
  ɂȂ܂B(Ȃg̃Rs[^֓dbȂł)

  _CC͈ȉ̂悤ɓ삵܂BNfłȂ̓dbԍ
  _C܂BȂ̃f͉Aڑ܂BM҂ƂȂ
  ƁAȂ PC ̓OCvvg𔭐M҂֑܂BāAM
  ͂Ȃ PC փOC܂BȂ PC gƂ́AM҂VF
  AJEgLAR\[(邢̓eLXg[)烍OC
  ƑS悤ɁAȂ PC g邱ƂӖ܂B܂AM
  C^[lbg֐ڑł邱ƂɂȂ܂BȂ PC ł̃_C
  CvO getty ƌĂт܂B

  OČAM҂C^[lbg֐ڑ悤ȑ̃vO
  Ƃ܂B HOWTO ł̓OČɓ̂悤ȃvO
  ͑ΏۂƂĂ܂BC^[lbgւȂ߂ɂ́AĂ PPP
  vO܂(Vo[Wo\ PPP-HOWTO 
  )BʐMvOOCƃpX[h𖈉񎩓Iɓ
  ͂AOCĂ邩܂B

  [ : JF vWFNgɂ{ PPP-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/PPP-HOWTO.html> ]

  56k Ń_CCł悤ɂȂAȉ̂ƂȂs
  \ł :

  1. dbЂփgNTCh T1 邢 ISDN ȂǂŃfW^ڑB

  2. ʂȃfW^fgpB

  3. fW^fɁuRZg[^vȂǂ́AdbЂ̃fW^
     ւȂC^tF[XB

  uRZg[^vufRZg[^v邢́u[gAN
  ZXRZg[^vƂĂт܂BfȂu[gANZX
  T[ovɂARZg[^邩܂BL̏
  Ă𖞂ȂAȂ ISP (voC_)ł傤B

  11.2.  getty

  getty ̓_CCs߂ɓvOłB_CAEg
  ͕Kv܂BOCvvg\邱ƂɉAdbɉ
  ܂BƂƁAgetty ̓_[Rs[^փOC邽߂Ɏg
  pĂ܂B݂ Linux R\[ւ̃OCɎgpĂ܂B
  قȂOނ getty vO܂B
  getty fŃ_CC邽߂ɓ삵܂B getty vO
  ͂ĂNɓ܂B /etc/inittab ĂяoȂ΂
  ܂B̃t@C̒ɁA኱ύXKvƂȂ getty Ăяo
  邩܂Bɋ̂Ƃ͈قȂ getty vO
  ĝȂAIvV̌`قȂ̂ŁA/etc/inittab 啝ɕύX
  Kvł傤B

  _CĈ߂ɎgA4 ̈قȂ getty vO܂ :
  mgetty, uugetty, getty_em  agetty łBȉ̐߂ŁAڍׂɂ
  ኱qׂĂ܂Bagetty  4 ̒ōłȈ( n)łA
  ƂăeLXg[𒼐ڐڑ邽߂Ɏgp̂ƍll
  Bmgetty  FAX у{CX[T|[gĂ܂Auugetty 
  T|[gĂ܂B mgetty  uugetty ̂̋@\sĂ
  悤łB getty_em  uugetty ȈՉo[WłB]āA
   uugetty ɊĂ(邢 mgetty 肵ɂ) ƂƂ
  Ȃ΁A炭 mgetty ŗǂ̑IłB getty vO̐
  @͂ꂼقȂ̂ŁA/etc/inittab Ŏgp getty ɍ
  @g悤mFĂB

  11.2.1.  mgetty ɂ

  mgetty 肸ƑO瑶݂Ă uugetty u邽߂ mgetty
  ͏܂BoƂfƂƂɎgp܂B{Őmɏqׂ
  ͓̂łAmgetty ͒[𒼐ڐڑ邽߂ɂp
  ́Amgetty  (1999 N̔΂ł) ăRpCȂ(̒[
  gp)\tgEFAt[T|[g܂B̌_̓oOƂ
  čڂĂ܂B_CCŃOC\ɂ邱ƂɉAmgetty
   FAX ̃T|[gю PPP o񋟂Ă܂BfŃ{CX
  [ vgetty ƂǉvO܂Bmgetty ̕({
  CX[̕)悭łĂAǉ񂪂ȂĂ肠
  BCXg[QƂĂB mgetty ̍ŐV
  <http://www.leo.org/~doering/mgetty/> 
  <http://alpha.greenie.net/mgetty> Ō܂B

  11.2.2.  uugetty ɂ

  getty_ps  2 ̃vO܂ł܂ : getty R\[ƒ[
  û߂ɗpAuugetty f̂߂Ɏgp܂B(Serial-HOWTO 
  ȑO̒҂ł) Greg Hankins ́Auugetty ɂďĂ
  ŁAuugetty gĂ܂B``uugetty'' B̑
  getty ͂ɕtĂ镶ŏ[łB

  11.2.3.  getty_em ɂ

   uugetty ̊ȈՔłłBgetty_ps  uugetty ɕGȃT|[g
  t@CKvɂȂĊSɓrɕꂽ̂ŁAVern Hoxie 񂪏
  B

  getty_em   <ftp://scicom.alphacdc.com/pub/linux> ɂ FTP œ
  \ȁAVern Hoxie ̃VA|[g[eBeBяRN
  V̈ꕔłB̃RNV̖O ``serial_suite.tgz'' 
  B``scicom''  ``anonymous'' ŃOCۂɂ́ApX[hƂ
  Sȃ[AhXgȂ΂Ȃ܂BႦ
  ΁Agreg.hankins@cc.gatech.edu ̂悤ɁB

  11.2.4.  agetty  mingetty ɂ

  agetty ͒PŁAzR\[邢̓f[ɓK getty
  ́ASȎp{ʂ̎łBA(agetty ғ邢͒M҂
  ƁAMłȂƂ) 󋵂ǂ΃fƂƂɂ΂炵
  ܂BDebian  agetty ͒P getty ƂOɂȂĂ܂B

  mingetty ̓R\[()ł̂ݓ getty Ȃ̂ŁA_CC
  pƂăfƂƂɎgp邱Ƃ͂ł܂B

  11.3.  _CC̍ۂɉN܂?

  M҂͂Ȃ̓dbԍ_CʐMvO𓮂AȂ
  db܂B PC  2 ̈قȂ@œdbɉł܂B
  Ƃ̓fIɉ̂łBЂƂ getty M
  mAfɉ悤R}h𑗂̂łB񉞓ƁA
  f͑Ό郂f(t)M𑗏o܂B2 ̃f͂ǂ
  悤ɒʐM̂茈߁Aꂪςނƃf ``CONNECTed'' Ȃǂ
  bZ[W getty ֑܂Bgetty ̃bZ[W󂯎ƁAV
  A|[gփOCvvg𑗏o܂BƂɂ́A getty ̓O
  C login Ƃ̃vOĂяo܂Bgetty ͂Ă
  Nɓn߂܂BAOCvvg𑗏oɂ́Aڑ
  m܂ő҂Ȃ΂Ȃ܂B

  Mɉ 2 ̕@ڂqׂ܂Bf S0 WX^
  3 ɐݒ肷ƁAf 3 ڂ̃xŎ܂B0 ɐݒ肷
  ƁAdbĂԂ getty f ``A'' (= Answer) R}h
  Ƃ̂݁Af悤ɂȂ܂Bmɂ́AׂẴf
  R}h͓ ``AT''t̂ŁA``ATA'' 𑗂܂Bf̎
  @\ĝłǂƍl邩܂񂪁Aۂɂ getty 
  قǂłBfIɉȂƂA (Ƃ getty
  IɒMƂĂ)蓮ƌĂт܂B

  u蓮vł͋N getty |[gJĎ܂Bdb
  ƁAĎĂ getty  ``RING'' bZ[W܂B getty 
  ̂ȂAf ``ATA'' R}h𑗏o܂BāAf
  ڑm getty  ``CONNECT ...'' bZ[W𑗂Agetty ͔M
  փOCvvg𑗏o܂B

  ɂ́Aڑ̊mm邽߁AfVA|[gւ
  CD (Carrier Detect = LAm)zgp܂B͈ȉ̂悤
  삵܂BN getty ̓VA|[gJƂ݂܂A
  ̓f CD MȂ̂ŁA͎s܂BāA getty
   CD M܂ŁA|[gJԂőҋ@܂B(炭
  Ƃ) CD M͂ƁA|[gJ getty ̓OCvvg
  o܂BLinux ̓}`vZX̃Iy[eBOVXeȂ
  ŁAgetty ҋ@(X[v)ĂԁÃvZX͓Ƃł
  Bmɂ́Agetty 𓮂́Af CD ̏Ԃ ON
  ɕςۂɔs銄݂łB

  蓮ɂ CD MȂ߁Agetty ǂ̂悤ɂăVA|[g
  ĴsvcɎv܂BƂ CD MȂƂ
  A|[gJ悤vO@܂B

  11.4.  Ȃ蓮łǂ̂

  Rs[^~ĂĂf܂삵ĂꍇAɂ
  2 ̎@ԂňႢ܂B蓮ł ``RING'' bZ[W getty
  ֑܂ARs[^~Ă邽 getty ݂͑Adb
  ɂ͌ĉ܂BȂ̂œdb͂܂B
  ł́A͂̂̃Rs[^~Ă̂ŁAOCbZ[
  WȂƂɂȂ܂Bҋ@Ă̂ŁAdb܂B
  iɗȂOCvvg҂̂͂炾܂
  BdbŒ萧Ȃ΂Ⴂ͂܂B mgetty ͎蓮
  gp܂Buugetty ͐ݒXNvggpāAɂł
  B

  11.5.  R[obN

  R[obNł́ANȂ̃fւ܂_CAM҂̏
  Đ܂Ԃdb܂BȂȂƂ̂ł傤?  Ђ
  ɂ́AM҂ȂɓdbAȂM҂ɂق
  ̂Ȃ΁Adbߖł邩łBЂƂ́AM
  ҂{ɐڑĂ悢lǂmF邽߂łBM҂Ȃ
  dbāAdbԍ炩ĂƎ咣ȂAm߂
  ЂƂ̕@͂̔ԍ֓dbȂƂłB

  Linux ɂ mgetty ƂƂɓ삷 ``callback'' Ƃ̃vO
  ܂B <ftp://ftp.icce.rug.nl/pub/unix/> ɂ܂Bǂ̂悤
  callback ( PPP) CXg[̂A菇ǂ
  <http://www.stokely.com/unix.serial.port.resources/callback.html> ɂ
  ܂B

  11.6.  {CX[

  {CX[̓Rs[^û悤Ȃ̂łB{CX[
  ߂ɂ́AfuvT|[gĂ邱ƁAѕ⏕\
  tgEFAKvłBe[vɃbZ[Wۑ̂ł͂ȂAfBXN
  ɃfW^`ŕۑ܂BNȂɓdbĂƂɁA
  bZ[W𒮂Ă烁bZ[Wc܂B荂xȃVXéA
  M҂[{bNX≞bZ[WIłł傤BLinux ɂ
  Ղȉ\ɂt[\tgEFA܂A\Ȃ̂͂܂ł
  悤łB

  ҂ Linux  2 ̈قȂ{CX[\tgEFAmĂ܂B
  Ƃ͔ɏ̂ł(``{CX[\tg EFA'' 
  )BЂƂ vgettyŁA荂\ł̓hLgs[
  Bvgetty ͖LxȃhLgLʂĂ mgetty ́AIv
  V̒ǉvOłBZyXEL Ɏ{CXfR}hT|[g
  Ă܂BDebian ł mgetty  mgetty-doc pbP[Wɉ
  āAmgetty-voice pbP[WɓȂ΂Ȃ܂Bx̕
   mgetty 폜Ă܂A( vO𓮂 -h (help) I
  vVgƂ) ̕sĂ܂BAmgetty
  ̃j[XO[vŎgp@ɂĂ̓e܂B``mgetty ɂ
  '' B vgetty ͂قǈ肵ĂȂ悤łA
  K^ɂ삵AJisłB HOWTO ŐVo[W
  ȂAvgetty ǂmĂl͒҂ vgetty ̌Ă܂
  ?

  12.  _CCp uugetty (Â Serial-HOWTO p)

  mgetty  uugetty (ǂ?)ƂĎg邱ƂmĂ
  Bmgetty  uugetty VA]ǂłB2  getty ̊
  PȔrɂĂ ``getty Ƃ?'' B

  12.1.  getty_ps ̃CXg[

  uugetty  getty_ps ̈ꕔȂ̂ŁA܂ŏ getty_ps CXg[
  Ȃ΂Ȃ܂B茳ɂȂ΁A
  <ftp://metalab.unc.edu:/pub/Linux/system/serial> ŐVo[W
  ɓĂBɁA(57600 邢 115200 bps )ʐM
  ȂAo[W 2.0.7j ȍ~KvłB܂Alibc 5.x ȍ~Kv
  B

  ftHgł́Agetty_ps  FSSTND (File System Standard) ɏ]Đݒ
  ĂAoCi /sbin ɓĂāAݒt@C
  /etc/conf.{uu}getty.ttySN ƂOɂȂĂ܂B̂Ƃ͕
  ͂ƏĂ͂܂!  āAbNt@C /var/lock ɍ
  ܂BfBNg /var/lock 邱ƂmFĂB

  FSSTND ɏ]ȂȂAoCi /etc ɁAݒt@C
  /etc/default/{uu}getty.ttySN ɂȂAbNt@ĆA/usr/spool/uucp
  ɓ܂B UUCP gȂA̕@߂܂BȂȂAUUCP
  ͎̒mȂƂփbNt@CڂƖNƂ邩
  łB

  XɁAgetty_ps  syslogd găbZ[W̋L^܂BA
   syslogd 𓮂ĂȂ̂ȂA syslogd(1)  syslogd.conf(5) 
  man y[WĐݒ肵ĉBbZ[W͗Dxt LOG_AUTHAG
  [ LOG_ERRAfobO LOG_DEBUG ֋L^܂B syslogd g
  Ȃ΁Agetty_ps ̃\[Xt@C̒ɂ tune.h ҏWăb
  Z[Wo͂fobOɂ̓Ot@Cgp悤ɕύX܂傤B
  ̃Ot@C /var/adm/getty.log ɂȂ܂B

  FSSTND  syslogd ̋@\̗p邩߂ĂB 2 
  gݍ킹邱Ƃo܂BMakefile, tune.h  config.h A
  ʂɕҏW܂BpbP[WɊ܂܂ɏ]ăRpCAC
  Xg[܂B

  12.2.  uugetty ̐ݒ

  uugetty OCɎg|[gĎĂԂɁA uugetty pă
  fdbĂ܂B HOWTO ̌҂
  /dev/cuaN db邽߂ɎgƏqׂĂ܂ (uugetty  /dev/ttyN
  œĂ܂)BA̐l̓_CCƃ_CAEg̗
  /dev/ttyN gȂ΂ȂȂƌ܂Bǂ炪̂ł
  ???

  [ : /dev/cuaN  /dev/ttyN Ɋւc_ ``cua foCX'' ɂ
  ܂B]

  uugetty ͏dvȃbNt@C̊Ďs܂B /etc/gettydefs Ƀf
  ̃Ggǉ܂B /etc/gettydefs ̕ҏWIAȉ̂悤
  ɂċLqmFł܂ :

       linux# getty -c /etc/gettydefs

  12.2.1.  ŋ߂̃f

  f[^k@\ 9600 bps ȏ̃fł́AVA|[gЂƂ
  ̑x֌Œł܂BႦ :

       # 115200 fixed speed
       F115200# B115200 CS8 # B115200 SANE -ISTRIP HUPCL #@S @L @B login: #F115200

  RTS/CTS n[hEFAt[s悤ݒ肷ȂA CRTSCTS ǉ
  ܂ :

       # 115200 fixed speed with hardware flow control
       F115200# B115200 CS8 CRTSCTS # B115200 SANE -ISTRIP HUPCL CRTSCTS #@S @L @B login: #F115200

  12.2.2.  Âᑬ̃f

  (9600 bps ȉ)ᑬfł́Ȃxp 1 sLqɁA
  ̑x߂ɕ̍sKvłB#38400 Ƃes̍
  ́uPvɂAf̃Gg݂͂ɃNĂ邱Ƃ𒍈
  ĉB܂Aes̊Ԃɂ͋󔒍sPsKvɂȂ邱Ƃɂӂĉ
  B

  # Modem entries
  115200# B115200 CS8 # B115200 SANE -ISTRIP HUPCL #@S @L @B login: #57600

  57600# B57600 CS8 # B57600 SANE -ISTRIP HUPCL #@S @L @B login: #38400

  38400# B38400 CS8 # B38400 SANE -ISTRIP HUPCL #@S @L @B login: #19200

  19200# B19200 CS8 # B19200 SANE -ISTRIP HUPCL #@S @L @B login: #9600

  9600# B9600 CS8 # B9600 SANE -ISTRIP HUPCL #@S @L @B login: #2400

  2400# B2400 CS8 # B2400 SANE -ISTRIP HUPCL #@S @L @B login: #115200

  12.2.3.  OCoi[

  ]݂ȂAuugetty ɁAOCɖʔȃoi[\邱Ƃ
  ł܂BGreg ̗ł́AVXel[ƃVACA
  ʐMxłBɂȉ̂悤Ȃ̂܂ :

              @B   ݂̒ʐMx (bps, @B ϊƂɒׂ)
              @D   MM/DD/YYł킳N
              @L   uugetty VAC (ttySN)
              @S   VXe
              @T   HH:MM:SS ŕ\鎞b (24Ԑ).
              @U   ݂̐ڑ[U[
                ́A /etc/utmp t@C ut_name tB[h
                ̂LȃR[h̐łB
              @V   o[W  ftHgt@CŎw肵 OS o[W
              '@' ̂̂\΁A '\@'  '@@' gĂB

  12.3.  uugetty ̃JX^}CY

  e|[g݂ɐł鐔̃p[^[Ă܂Bꂼ
  ̃|[gʂɐݒł悤|[gPʂ̐ݒt@CpӂĂ
  B/etc/conf.uugetty  uugetty ʂ̐ݒt@C
  ŁA/etc/conf.uugetty.ttySN ̃|[g̐ݒt@CłB
   linux fBXgr[VɕtĂ getty_ps ̃\[Xt@
  C̒ɁÃTvt@C܂܂Ă܂BXy[X̊֌W
  ŁAɂ͌fڂ܂B(2.0.7e ȑO)Âo[W uugetty 
  gĂ邩AFSSTND ݊ɂȂꍇ́Aݒt@C
  /etc/default/uugetty.ttySN ɂȂĂ邱ƂɒӂĉB҂
  /etc/conf.uugetty.ttyS3 ́Â悤Ȃ̂łB

  # sample uugetty configuration file for a Hayes compatible modem to allow
  # incoming modem connections
  #
  # alternate lock file to check... if this lock file exists, then uugetty is
  # restarted so that the modem is re-initialized
  ALTLOCK=cua3
  ALTLINE=cua3
  # line to initialize
  INITLINE=cua3
  # timeout to disconnect if idle...
  TIMEOUT=60
  # modem initialization string...
  # format: <expect> <send> ... (chat sequence)
  INIT="" AT\r OK\r\n
  WAITFOR=RING
  CONNECT="" ATA\r CONNECT\s\A
  # this line sets the time to delay before sending the login banner
  DELAY=1
  #DEBUG=010

  ɁA/etc/inittab ֈȉɎsǉ܂BVA|[gɑ΂
  uugetty 悤A(2345 邢 345 Ƃ)xAݒt@C
  ̏ꏊA|[gAxAăftHg̒[^CvȂǂ̊ɍ킹
  Đݒ肵ĂB

       S3:2345:respawn:/sbin/uugetty -d /etc/default/uugetty.ttyS3 ttyS3 F115200 vt100

  init ċN܂ :

       linux# init q

  /etc/inittab ɂāAxp[^ƂăfT|[gō
  xgł傤B

  ŁAVA|[gւ̐ڑ Linux Ď܂Bʂ̃}Vd
  bALinux փOCĂB

  uugetty ͍Xɑ̃IvV܂BSȐ (΂
  uugetty ƌĂ΂) getty(1m) ̃}jAĂB̑ɂX
  PW[O@\R[obN@\܂B

  [ : }jÅǗR}hZNV 1m ́A݂ ZNV 8
  ɂȂĂ܂B]

  13.  fŎgׂx?

  ҂́uxvuf[^]xv̂ŎgĂ܂AقƂǂ
  l͊ԈđxƌĂł܂Bŋ߂̃f͏󋵂łx
  IɑÎŁA[Uf̓dbł̑xIׂ܂B
  AfƃRs[^Ԃ̑xȂIׂ܂B̑xuDTE 
  xvƌĂԂƂ܂BŁA``DTE''  Data Terminal Equipment
  \܂(Rs[^ DTE ł)BMoH̒ł̕
  {glbNɂȂȂ悤Ȃx[ɑݒ肷Kv
  B DTE x̐ݒ́A̐ڑŉ\Ȍ荂xɂ܂B̏
  A炭ႢxłgȂł傤B

  Otfł́ADTE x̓f PC ̊Ԃ̃P[u𗬂f[^
  xł (bit/sec ŕ\܂)Bfł́AVA|[ĝ悤
  ɓ삷̂ŁAOtfƓ悤ɍl܂Bf{[hƃR
  s[^͂Ȃ荂ȃoXŒڐڑĂ̂ŁAxɌE邱
  Ƃ͂Ɗ邩܂BAf{[hɂ͑xɌE
  ̂(đxݒł) p̃VA|[ĝłB

  13.1.  xƃf[^k

  ǂ̂悤ȑxIт܂?  uf[^kvȂ΁Af̑x
  Ƃ傤Ǔ DTE xIԐlł傤Bf[^k̓Rs[
  ^烂f֑f[^A菭Ȃf[^֕܂BႦ
  ΁A PC 烂fւ̑x 20,000 bytes/sec (bps) ňk 2:1 
  A 10,000 bytes/sec ̃f[^db𗬂܂B]āAk
   2:1 ƁAdbł̍łf̑x2 {ݒ肷Kv
  ܂Bk 3:1 ȂA3 {ɐݒ肵Ȃ΂Ȃ܂B

  13.2.  ǂőxݒ肷?

  ʏADTE x͒ʐMvÕj[A_CC̍ۂɎg
  getty R}h̃IvVŐݒ肵܂BfԂ DCE x͐ݒł
  ܂B

  13.3.  [ɍx֐ݒłȂ

  n[hEFAT|[głxmKv܂B1998 N
  Iɂ́Ãn[hEFA 115.2K bps x̑xT|[gĂ
  BāA 56K f 230.4K bps T|[gĂ
  ܂Bŋ߂ Linux J[l (115.2K ȏ)xT|[g
  ܂Aȉɋ镡̗RɂA𗘗pɂ͍
  ܂B

  1. AvP[VvO(邢 stty) xɑΉł
     B

  2. setserial ̃ftHgx 115,200 bps ł (AύX͊ȒP
     ł)B

  13.3.1.  ǂ̂悤Ƀn[hEFAőxݒ肳Ă邩 : ƃ{[
  [g

  ɁAʏgp鏜̈ꗗ܂B(ōx 115,200 Ȃ) 
  鑬x : 1 (115.2K), 2 (57.6K), 3(38.4K), 6 (19.2K), 12 (9.6K),
  24 (4.8K), 48 (2.4K), 96 (1.2K) ȂǂłBVAhCo (̐
  ) uv𑗂An[hEFAɑxݒ肵܂B́uv
  n[hEFA̍ōxAxxɂȂ܂(炩łA
   1 ̓n[hEFAɍōxœ삷悤߂܂)B

  ʏA(ʐMvO stty ) 115.2k ̑xw肵ȂAVA
  hCo̓|[g̃n[hEFAAłxw肷鏜 1 ɐݒ
  ܂Bōx 230.4k ̃n[hEFA܂܎ĂȂA
  115.2k w肷Ə 1 ƂȂAۂɐݒ肳鑬x 230.4k ɂ
  ܂Bݒ 2 {ɂȂ܂BAǂ̑xɐݒ肵ĂA{̑x
  ͐ݒ 2 {ɂȂ܂B460.8k œ삷n[hEFAł́A{̑x
  ͐ݒ肵x 4 {ɂȂ܂B

  13.3.2.  xݒ̂܂

  (KłƂ͌܂)̏ԂC邽߁A
  ``setserial''  baud_base IvVg 230.4k Ȃǃ|[g̐
  ōx֕ύX̂ǂł傤B(AvP[V stty ) 
  xݒ肵ȂA 1 gݒ肵ʂ̑xg悤ɂȂ
  B : (1999 N̒ł) stty Ƒ̒ʐMvO͍ōx
   115.2k łA230.4k Ȃǂɂ͐ݒłȂł傤B]āÂ
  ȏꍇł̂ЂƂ̉@́Asetserial ŉύXAx͏
  ɐݒ 2 {łƎɌ邱ƂłB

  قǍD܂͂Ȃ̂łAЂƂ܂܂B(setserial
  ) baud_base n[hEFA̍ōx֐ݒ肵܂B̑́A
  115.2k ɐݒ肵Ȃ琳m 115.2k ̐ݒɂȂ悤AvZ@C
  ܂BgĂʐMvOȂǂ̏CĂȂȂAǂ̂
  ɂčōx֐ݒ肷̂XɗKv܂BK^ɂA
  setserial ɂ͏C̕@܂ : ``divisor 1'' ƂƂ
  ``spd_cust'' p[^p܂BʐMvOőx 38400 ɐݒ
  ƁA|[g̏ 1 Ɛݒ肳ōxœ삵܂BႦ :

       setserial /dev/ttyS2 spd_cust baud_base 230400 divisor 1

  (spd_cust ƂƂɗp)ɋprȊO̖ړIɂ́A
  ``divisor'' IvVȂłB

  ʐMvOŐݒłȂ悤ȍ̐ݒgƂĂA̗
  Ɠ炢ȒPɂ͂܂BAKpł܂B
  baud_base ftHgݒ̂܂܂ɂAxݒ̍ۂɏ݂̂ݒ肵
  B]āAۂ̑x̓VAhCoɐݒ肵ŁAf̍ō
  xlɂȂ܂B``ǂ̂悤Ƀn[ hEFAőxݒ肳
  Ă邩 : ƃ{[[g'' B

  13.3.3.  ̐U baud_base ł͂܂

  ĂAݒ肵 baud_base ̓n[hEFA̐Uq̐U
  AƏȒlƂƂmĂB́Amȍōx
  𓾂邽߂ɁA̐U 1/16 ɂ邱Ƃ邩łB̃T
  v_̊erbg 1  0 肷邽߂ɁA̍̐Ugp
  ܂Bꂪ̐UrIȂ΂ȂȂRłB

  13.4.  x\

  56k f̂ŁAŒł 16650 UART ĝƂǂłB
  AقƂǂ̃f 56k o܂Bɗǂ̂́A230,400 bps
  o悤 16650 UART 𒲐邱ƂłBf̑xɂĈقȂA
  ]܂VȂxɋ܂ :

  o  56K (V.90) fł 115200 bps 邢 230400 bps ( % 
     ?)

  o  28.8K (V.34), 33.6K (V.34) fł 115200 bps

  o  V.42bis f[^kt 14400 bps (V.32bis) fł 57600 bps

  o  V.42bis f[^kt 9600 bps (V.32) fł 38400 bps

  o  9600 bps (V.32) ᑬ̃fł̓fT|[gōx

  14.  ʐMvOƃ[eBeB

  PPP ͔ɍLgĂAC^[lbgւ̐ڑɎgp܂B
  }فA邢͌fȂǂ֓db邽߂ɂ́ASeyon (X-Window
  System ̂) ɕt minicom  Kermit ƂʓIłB

  14.1.  Minicom  Kermit

  Minicom ͂̒ʐMvOłBAKermit ͒ʐMvOł
  t@C]vgRł܂BA(Kermit  PC ɃCX
  g[Ȃ) Minicom gp Kermit vgRgl邩
  ܂BMinicom ̓j[x[XŁAKermit (pvvgł̑
  bI)R}hCx[XłBKermit ̓t[\tgEFAłAh
  Lgׂ͂Ăt[ƌ킯ł͂܂Bڍׂȃ}jA
  ȂA}jAƂďЂw悤߂Ă܂BAKermit
  ׂ͂Ă̍ڂɂđΘbIȃICwv̂́ASҌ
  ̃`[gA܂BR}h̓XNvgɋLq̂ŁA
  R}h^CvKv܂B(ʐMvOƂĂ)
  Kermit  Minicom ͂łB

  Minicom ̃hLgׂ͂ăt[ł̂́AKermit ̕قǍL
  ͈͂ɂ킽Lq͂܂BpfBXgr[V Kermit 
  ^ɂ͋KvłBSɃt[ł͂Ȃ߁AKermit 
  ^ȂfBXgr[V܂B҂̈ӌł́AMinicom ̐
  ͂ȒPŁAw΂Ȃ΂ȂƂȂłB

  14.2.  vÕXg

  FTP œłʐMvÖꗗ܂BfBXgr[V
  Ɋ܂܂ĂȂȂÄꗗIłB܂A_CAEg
  svOrƎv܂BłlĈȂ̂͊Ɏx
  Ȃ̂ł傤?

  14.2.1.  łlĈȂ_CAEgvO

  o  ecu   - ʐMvO

  o  pcomm - procomm Ɏ zmodem ܂łʐMvO

  o  xc    - xcomm ʐMvOpbP[W

  14.2.2.  łlĈ_CAEgvO

  o  minicom - XNvgAzmodem, kermit T|[g telix Ɏ
     MvOB

  o  C-Kermit <http://www.columbia.edu/kermit/> - t@C]AR[
     hϊA zmodem T|[gڐA̍XNvgg߂
     VA TCP/IP ̒ʐMvO

  o  seyon - X x[X̒ʐMvO

  14.2.3.  Fax

  o  efax  FAX vO

  o  hylafax NCAg - T[o fɊÂ FAX vO

  o  mgetty+fax FAX A_CC̃OCvO

  14.2.4.  {CX[\tgEFA

  o  mvm < http://www-internal.alphabet.ch/~schaefer/mvm/>  Linux p
     ɏ{CX[\tgEFAłB

  o  vgetty ̓fp̃{CX[ mgetty ̊głB mgetty 
     Vo[WɓĂ܂B

  14.2.5.  (getty p) _CC

  o  (1999 N̎n߂ł́A{CX[Ɋւ镔) fp
     mgetty+fax ̓hLgLxłBFAX  uugetty ̑
     g܂B(vgetty p){CX[@\𓝍Ă܂B
     ``mgetty ɂ'' B

  o  uugetty fpłBps_getty pbP[ẄꕔłB ``getty_ps
     ɂ'' B

  14.2.6.  ̑

  o  callback ͑̃f֓dbA(dbߖ񂷂邽߂)db
     ؂ăR[obN܂B

  o  SLiRP  term ́AVFAJEg鉓uñRs[^̃[
     UԂœ삳A PPP ɎT[rX񋟂܂Bڍׂ ``term 
     SLiRP'' B
  o  ZyXEL  ZyXEL U-1496 f̐vOłBMAZL
     eB̂߂̃R[obNAFAXAă{CX[̋@\܂B

  o  SLIP  PPP ̃\tgEFA
     ftp://metalab.unc.edu/pub/Linux/system/network/serial Ō
     ܂B

  o  ɂftp://metalab.unc.edu/pub/Linux/system/serial 
     ftp://metalab.unc.edu/pub/Linux/apps/serialcomm 邢͑̃~
     [TCgŌ܂B̓VAʐMɊ֘AvO
     fBNgłB

  14.3.  SLiRP  term

  UNIX ñ}VɃ_CAbṽVFAJEgȂAF؂Ȃ(
  邢͒ǉ𕥂ȂȂǂ̗R) PPP AJEgƓ̋@\
  gꍇASLiRP  term p܂BSLiRP ͂قƂǔpĂ܂
   term lC܂B

  SLiRP g߂ɂ́AVFAJEĝ郊[g̃Rs[^փC
  Xg[܂BāÃAJEgŃ_CAbvڑA[
  g}V SLiRP 𓮂A[J PC  PPP 𓮂܂B
  ƁAPPP ڑANetscape Ȃǂ̃EFuuEU𓮂ł
  BSLiRP ͖{ PPP AJEgƓł͂Ȃ̂ŁA炩̖肪
  邩܂BIP AhXߖł̂ŁASLiRP g悤ɂ
  ĂTCg邩܂B

  term  SLiRP ƎĂ܂A[Jƃ[gõRs[
  ^ term 𓮂Kv܂Bterm ͌ŗL̃vgRgp
  ŁAdbɂ PPP ڑ͂܂Bterm  PC ŗp邽߂
  ́Aterm ɑΉĂ (ftp Ȃǂ)AvP[VgKv
  B]āASLiRP ł ftp ̂܂ܐɓ삷̂ŁASLiRP g
  ȒPłBeiXĂȂ Term-HOWTO ܂B

  15.  UART ĉł? \ɂǂȉe^܂?

  15.1.  UART ̊Tv

  (̐߂ Serial-HOWTO ɂ܂)

  UART (Universal Asynchronous Receiver Transmitter) Ƃ́APC ̃}U[
  {[h(邢͓f{[h)ɍڂĂVAp`bv̂Ƃ
  B̗pr̃`bvp UART ̋@\Ă邱Ƃ܂B
   486 }V̂悤ȌÂRs[^ł́Ã`bv̓fBXN
  I/O Rg[{[hɍڂĂ܂BrIÂRs[^̒
  ́A܂p̃VA{[hڂĂ̂܂B

  UART ̖ړI PC ̃poXĂoCgf[^AVA
  ̃rbgXg[ɕϊ邱ƂłBVA|[goĂP[u
  ̓f[^VAɑ悤ɂȂĂAf[^ꂼ
  ɂ 1 ܂BVA|[g͈x 1 rbg
  rbgXg[𑗂܂BtɁAOtP[uoRăVA|[
  gɓĂrbgXg[́ARs[^łpȃo
  Cgf[^ɕϊ܂BUART ̓f[^oCgPʂň܂B̒P
  ʂ͓sƂ ASCII ̑傫ł܂B

  PC ɂԂ牺Ă[̂Ƃ܂B[U͂
  ƁA[͂̕gX~b^ (UART ɂ)܂BgX~b
  ^͂̃oCgf[^VAɑAM 1 oCgA
  xōs܂BPC ł́AMs UART rbgSĎ󂯎A(
  p)oCgf[^ɕAobt@ɓ܂B

  VAƃp̕ϊɉāAUART ͎ȏ̕Y(p)Ƃ
  đ̏s܂Brbg\߂Ɏgdϊ(ύX)
  ܂BoCgf[^𑗐MOɁAꂼ̃oCgɑ΂Ēǉ̃rb
  g(X^[grbgƃXgbvrbg)܂Bڂ Serial-
  HOWTO ́ud̔g`v̐߂ĂB܂ARs[^̃p
  oX̃t[[g(oCg/b) ɍAVA|[g
  UART ot[[g͂ƒxłBUART ͂
  ߂ꂽt[[g(x)̑gĂāAVA|[gC
  ^tF[XŎgƂł܂B

  [  : JF vWFNgɂ{ Serial-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Serial-HOWTO.html> ]

  15.2.  2 ނ UART

  UART ̊{IȎނ 2 (_ UART  FIFO UART) ܂B_ UART
   8250, 16450, ^ 16550, ^ 16650 łB͎x̂
  ̂łA̓̎dg݂킩΁AFIFO UART (ŋ߂ 16550,
  16550A, 16c552, ŋ߂ 16650, 16750, 16950) ̓𗝉̂eՂ
  B

  16550 ɂĂ͕킵_܂Bfɂ̓oO
  A(FIFO Ȃ) 16450 ƂĂ삵܂BoOC
  ꂽŋ߂̃fɂ 16550A ƂOtĂ܂Ã[J[
  ͖OύXĂ炸A16550 ƌĂёĂ܂BݎgĂ
  16550 ̑啔 16550 ̂悤łBn[hEFÃ}jA 16550 
  ƏĂĂ(邢̓xɂ̂悤ɍ󂳂ĂĂ)A
  Linux  16550A łƔFĂ܂Bl̎ 16650 ɂ
  ܂(̕[łBƂ̂Abł̓[J[oOF
  ߂Ȃł)BLinux ͍ŋ߂ 16650  16650V2 ƂĔF
  B 16650 ƔFꂽꍇɂ͎cOȂA1 oCg̃obt@
  ĂȂ悤ɓ삵܂B

  15.3.  FIFO

  _ FIFO (L[̓삪t@[XgCEt@[XgAEg (First In,
  First Out) ł)̈Ⴂ邽߂ɁA܂ UART  1 oCg
  f[^𑗎Mꍇ̂Ƃ𒲂ׂĂ݂܂傤BUART {͎̂ʂ
  f[^ɊւĂ͉s킸APɃf[^𑗎M邾łBX̃_
  UART ̏ꍇ́AoCgf[^Mx CPU VAfoCX
  犄݂󂯎܂BCPU ͂󂯂āAMoCgf[^
  UART ̃obt@oă̂ǂɒuAMׂ
  oCgf[^ UART ɓńAǂ炩s܂B8250  16450
  UART ɂ 1 oCgobt@܂B܂A1 oCg̃f[^
  Mx CPU Ɋ݂܂B]xႯ΂ł
  vłBA]xłꍇɂ́AUART ׂ̏̕
  CPU ɂ肷邽߁Ȁ܂s邾̎ԂȂȂĂ
  ܂܂BꍇɂẮACPU ̊ݏԂɍȂȂĂ܂A
  oCgf[^㏑Ă܂܂BȂȂAf[^Ă̂
  ߂邩łB́uI[o[ (overrun)v邢́uI[o[t
  [ (overflow)vƌĂ΂܂B

  ꂪ FIFO UART 𗧂RłB16550A (邢 16550)  FIFO
  `bvɂ 16 oCg FIFO obt@tĂ܂B܂ACPU Ɋ
  ݂܂ł 16 oCg܂ł󂯎()Ƃł̂łB
  ̃oCgf[^҂Ƃł邾ł͂ȂACPU  14 oCg(
  ͂ȏ)̃oCgf[^𓯎ɓ]ł܂B́Aobt@ 1
  oCgĂȂ UART ɑ΂ēɗDĂ_łBCPU 
  銄݂Ȃ̏ɉ񂹂܂Af[^ȂȂ邱ƂȂFK
  ɂȂ܂BFIFO obt@݂̊臒l(gKx)ɂ 14 ȉ
  lݒł_ɒӂĂB̑ɂ 1, 4, 8 Iׂ܂B

   PC ɂ 16 oCg̃obt@ 16550 tĂ܂񂪁A
   UART ɂ͂Ƒ傫ȃobt@܂B݂̓obt@
  ςɂȂ钼O (16 oCg̃obt@ł 14 oCĝugK
  xv̎_)ɔs_ɒӂĂB邱ƂɂA
  ݃T[rXsԂɂoCg̃f[^󂯎]Tc
  ܂B̃gKxɂ́AJ[l̃\tgEFAFXȒl
  ݒ肷邱Ƃł܂BgKx 1 ɂƁA_ UART Ƃقړ
  ɂȂ܂ (A݂𔭍sɂ 15 oCg󂯎
  󂫂cĂ_قȂ܂)B

  BBS ɓĂƂɉ͂ꍇA͂̓VA
  |[goRőo܂B͂ʂɕ\̂́A̕
  dbEfEVA|[goRŉʂɃGR[obNĂ
  łBVA|[g 16 oCg̃obt@tĂꍇ(
  14 oCgW܂܂ŕ𑗂Ă܂)A͂\
  łɂ͕͂Ȃ΂ȂȂł傤BƂĂ킵
  łAh߂́u^CAEgv܂B]āAʂ͕
  ͂ƁA͂̕ɉʂɕ\܂B

  UART ̎Mobt@̏ꍇÁu^CAEgv ȉ̂悤ɓ삵
   : XƂĂĂA݂͔ŝ́Aobt@ɗႦ
   14 ܂ƂłBA镶͂ɂ΂
  ͂̕ȂĂ݂s܂B݂̊͂Ƃob
  t@ 14 ĂȂĂs܂ (1 łĂ
  s܂)BāÃobt@ʂĕ͂ƁAob
  t@̑傫ۂɂ 16 oCgłĂ(Ȃłޑ
  ʂ 100 {łȂ) 1 oCg̃obt@̂悤ɓ삵܂Bl
  ́u^CAEgvMobt@ɂ܂B

  15.4.  UART ̃fԍ

  ȉ UART ̈ꗗ܂BTL ̓gKx(Trigger Level) łB

  o  8250, 16450,  16550: obt@̑傫 1 oCgł鎞x
      UART ł

  o  16550, 16550A, 16c552: 16 oCg̃obt@܂ (TL=1,4,8,14)

  o  16650: 32 oCg̃obt@܂B460.8 Kbps ܂ł̑xɑΉ
     Ă܂

  o  16750: 16750: 64 oCg̑Mobt@A56 oCg̎Mobt@
      ܂B921.6 kbps ܂ł̑xɑΉĂ܂

  o  Hayes ESP: 1K oCg̃obt@܂

  x UART ܂삷̂ 14.4k xf (DTE x
  38400 bps ܂)̏ꍇłBŋ߂̃fł́AȂƂ 16550 (
  ^ 16550 ͊܂݂܂)KvłBV.90 Ki 56k f̏ꍇ
  ́A 16650 gƐp[ZgȂ邱Ƃ܂(ɈkĂ
  Ȃt@C_E[hƂ)B16650 gȗ_̓obt@
  TCY傫ƂłAf̈k䂪ȂΕKvȏ̑x
  KvȂ_łBꕔ 56k fɂ 16650 ڂĂȂ̂
  ܂(M҂͊m߂Ă܂)B

  UART łȂCeWFgȃ}`|[g{[hł́ADSP `bvg
  ĂȂobt@OƐsĂ܂BāACPU ׂ̕
  ɌyȂĂ܂BႦ΁ACyclades А Cyclom  Stallion 
  EasyIO {[h Cirrus Logic CD1400 RISC UART gāAȊO
  ̃{[h 80186 CPU  RISC CPU găVA I/O 
  ܂B

  ŋ߂ PC ̂قƂ (486, Pentium ȍ~̃}V)ɂ 16550A (ʂ͒P
  16550 ƌĂ΂܂)ڂĂ܂B͌Â`bvڂĂƂ
  ꍇɂ́A 16450 `bvOāAV 16550A `bvƒu
  邱ƂɂAAbvO[h邱Ƃł܂B̃^Cṽ`b
  vڂĂꍇ́AcOȂ炠߂ĂBUART \Pbg`
  Ȃ΁A(u`bv)AbvO[h͊ȒPł傤BV
  `bvƌÂ`bṽszu͌݊łBVVA{[hC
  ^[lbgōw邱Ƃł邩܂(݂̓VA{[h
  Ă鏬X͂قƂǂ܂)B

  16.  guV[eBO

  16.1.  fIɂ݂͑̂Ɍoł܂

  fɎtA邢͊OtfȂĂVA
  |[g킩Ȃꍇ́Ảۑ̓VA|[go邱Ƃ
  B``VA|[gIɂ݂͑ ̂Ɍoł܂'' 
  B̐߂ł́AfڑĂVA|[go邱Ƃ
  ւďqׂ܂B

  ``wvdialconf'' Ƃgp̃VA|[g烂fTovO
  ܂B``wvdialconf <a-new-file-name>'' Ƃ^CvĂ
  BVt@Cݒt@CƂĂ܂BA
  ``wvdial'' db邽߂ɎgȂÃt@CgKv
  ܂B``wvdialconf Ƃ?'' B

  Linux ł͎gȂ\tgEFAfȂǂ̖肩܂B
  ``\tgEFAf̑啔͔'' B``setserial''
  ̓VA|[go邽߂Ɏg܂A|[gɂȂĂ郂f
  ̌o͂܂B]āA܂ ``wvdialconf'' ̂łǂ@
  łB

  |[gɃf邩ǂm߂ЂƂ̕@́A``minicom''
  N邱Ƃł (C-A O Őݒ胁j[֍s܂)B``AT'' ƃ^Cv
  ƁAOK ƕԂĂ͂ł(UgR[h𐔎ŕ\ĂȂ 0
  ł)B(J[\ړ邾̏ꍇ܂) ԂĂ܂łɎ
  肷悤ȂA``̏ x: eLXgxĂ
  ʂɕ\܂'' B

  16.2.  56k f 56k ɋ߂xo܂

  56k ߂xŒʐMɂ́ÃmCYɒႢƂKvłBd
  b̕iɈA56k ƒx (28.8k 邢͍Xɒx
  ) xȂƂ܂B̉ɐڑdb́A
  NƂ܂Bm߂邽߁A(̐lĂ
  Ȃ)ɉȂĂȂԂŁAr̒ֈ܂
  ĂꏊɒڃfڑĂ݂̂ǂł傤B
  16.3.  Abv[h(_E[h)t@CA邢͒x

  (PC 邢̓f)t[䂪LɂȂĂȂ܂B
  (115.2k Ȃǂ) DTE xݒ肵ȂAf PC ւ̗͐
  ɓ삷ł傤BAtł͓db{glbNɂȂ
  ŁÃf[^ɑȂ܂B]āÃG[
  pPbgđ܂Bt@C𑗂̂ɔɒԂA
  邢͑Ȃ܂B܂At@CSȂꍇ
  傤B(f̃f[^kgȂ) 傫Ȗkt@CEFu
  y[W_E[hĂƂAt[䂪Ȃ߂Ƀ_E[h
  ܂ȂƂ܂B

  16.4.  _CC̍ۂ ``line NNN of inittab invalid'' Əo

  init ̃o[WɍLq@gĂ邱ƂAm߂Ă
  Binit ɂ /etc/inittab ̋Lq@͈قȂ܂B܂Agetty 
  o[WɂLq@pĂ邩AmFĂB

  16.5.  ``Id "S3" respawning too fast: disabled for 5 minutes'' Əo
  

  Id ``S3'' ̗͂łB̏ꍇɂ́A/etc/inittab  ``S3'' Ŏn
  sĂB̍sNĂ܂B̍s̋Lq@
  AfoCX (ttyS3) ݂邩ǂAmFĂ
  B

  fݒ肵Ă邱ƂmFĂBE WX^ Q W
  X^ĂB\Ɏۂ̓f getty ƒʐMۂɋN
  ܂B

  uugetty gĂ̂ȂA/etc/gettydefs ̋LqAȉɎ悤
  @Ŋm߂ĂB

       linux# getty -c /etc/gettydefs

  uugetty ̏ɎsƂɂA\̌ۂ͋N蓾܂B
  ``uugetty ܂ɓ삵Ȃ'' ̐߂B

  16.6.  Ndb؂ƃf~܂A邢 uugetty Đ
  Ȃ

  DTR M؂ꂽƂɃfZbgȂƁǍۂN
  BGreg Hankins ͂̌ۂNƂARD  SD  LED 
  Ȃ̂ɋCt܂BfZbgKv܂B
  Hayes ݊f &D3 ŃZbgs܂BAނ USR Courier
  А̃f &D2  S13=1 gȂ΍s܂łB(
  Ȃ)f̃}jAmFĂB

  16.7.  uugetty ܂ɓ삵Ȃ

  getty_ps ɂ DEBUG IvV܂Bݒt@C
  /etc/conf.{uu}getty.ttySN ҏWADEBUG=NNN ǉĂB
  fobÔɂāANNN ͈ȉɋ鐔̑g킹ɂȂ܂ :

       D_OPT   001            IvV̐ݒ
       D_DEF   002            ftHg̃t@C
       D_UTMP  004            utmp/wtmp ̏
       D_INIT  010            ̏ (INIT)
       D_GTAB  020            gettytab t@C̏
       D_RUN   040            ̎sff
       D_RB    100            OobN-fobO
       D_LOCK  200            uugetty bNt@C
       D_SCH   400            XPW[
       D_ALL   777            ׂ

  ܂ DEBUG=010 ̐ݒ肪ǂł傤B

  syslogd 𓮂ĂȂAfobO̓Ot@C֏o͂
  Bsyslogd 𓮂ĂȂȂA /tmp/getty:ttySN getty fobO
  ̏o͂܂BāA uugetty  /tmp/uugetty:ttySN 
  /var/adm/getty.log ɍڂ܂BfobOĉNĂ̂
  ׂĂB炭Aݒt@Cł̃p[^𒲐Af
  Đݒ肷Kv܂B

  mgetty ܂Bł܂l܂B

  16.8.  ȉ̐߂ Serial-HOWTO ɂ Modem-HOWTO ɂ܂ :

  16.9.  Iɂ̓VA|[ĝɁAo܂

  (fȂǂ)uVA|[gœ삵ĂȂA炩Ƀ|[g
  ołĂ܂BS삵ȂȂAVA|[goł悤
  ɁA蓖ĂKv܂B

  BIOS ̃j[Əo̓bZ[WmF܂傤BISA oX PnP V
  A|[g̏ꍇɂ́A``pnpdump --dumpregs'' A Plug-and-
  Play-HOWTO ɂȂĂBPCI oX̏ꍇɂ lspci gp
  Bsetserial gČosĂ悢ł傤B ``o'' ̍
  ڂQƂĂBVA|[ gɃf[^ĂȂ悤
  ΁AVA|[g͂Ă݂ԈĂ邩܂B
  ``̏Ȃx: eLXgxĂʂɕ\܂ ''
  ̐߂B

  [ : JF vWFNgɂ{ Plug-and-Play-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Plug-and-Play-HOWTO.html> ]

  16.10.  ̏Ȃx: eLXgxĂʂɕ\
  

  ݂͊̐ݒ肪ԈĂ邩AՓ˂Ă邽߂ł傤B߂ă
  f[Av^gƂƂɏo悤Ȍۂ
  ܂BꍇɂẮA͂boȂƕ\ȂƂ
  ܂B͂Ō̕\ȂƂ܂B܂A
  PɖڂɌȂ<s>ŁAJ[\ 1 sɈړƂ
  킩ȂƂ܂B܂ʂ̏ꍇƂẮAʂɃf[^͂
  \̂łA16 Ƃ̂܂ł\ȂƂ
  ܂BāA邩܂̎̂܂肪\܂łɂ͉b
  ҂Ԃ܂Buinput overrun (̓I[o[)ṽG[
  bZ[W\(邢̓OɎc)Ƃ܂B

  ڂǏƂꂪN闝RɂẮASerial-HOWTO ́u݂̖
  Ɋւڂv̐߂ĂB

  vO&vCfoCXꍇɂ́APlug-and-Play-HOWTO Ă
  B

  [ : JF vWFNgɂ{ Serial-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Serial-HOWTO.html>  Plug-and-
  Play-HOWTO <http://www.linux.or.jp/JF/JFdocs/Plug-and-Play-HOWTO.html>
  ]

  {Ɋ݂̖肩ǂȒPɒׂɂ́A``setserial''  IRQ 
  0 ɐݒ肵ĂBɂAhCo݂͊ł͂Ȃ|[O
  g悤ɂȂ܂BŁuxv肪悤ł΁A݂
  肪NĂ܂BA|[O̓Rs[^̎ʂɏ
  ďxቺ邱Ƃ܂B|[Oɗ炸AƊ
  ׂ݂̖łB

  ݂̏Փ˂̂͗eՂł͂Ȃ܂BƂ̂A
  Linux ݂͊̏Փ˂SAՓ˂NƂ ``/dev/ttyS?:
  Device or resource busy'' G[𑗂Ă悤łB
  A``setserial'' ĂƁA{̏Փ˂܂B
  ̂悤ɁA``setserial'' gł͏Փ˂͔Ȃł傤
  (``setserial'' ̏ɊÂ /proc/interrupts 邱ƂȂł
  )Bǂ̂wE邽߂ɂ́A͂ ``setserial'' ̐ݒm
  Kv܂Bn[hEFA̖{̐ݒ肪킩AݒύX
  B

  ꍇɍsׂƂ́AWp PnP ݒ\tgEFAg
  āAn[hEFAɎۂɐݒ肳Ă𒲂ׂ邱ƂłBPnP ̏ꍇ
  ́A``pnpdump --dumpregs'' ܂ ``lspci'' s܂傤BāA
  ̌ʂ Linux  (``setserial'' Ȃǂ)ݒƔׂ̂łB

  16.11.  Ȃx: Ɛ{͑͂Ȃ̂ł

  l闝R̈́AVA|[ggĂfoCX(f[
  Av^)AȂlĂقǑ삵ĂȂƂłB
  56k f͂قƂ 56k œ삷邱Ƃ͂ȂAăC^[lbg
  ƂɂtsNAxቺ{glbN܂B

  lʂ̗ŔAȂgĂVA|[gÂ(UART
  8250, 16450 ⏉ 16550)ƃVAhCoFĂ邱ƂłB
  ``UART ĉł?''QƂA``setserial -g /dev/ttyS*'' gĂ
  B̌ʂƂ 16550A 萫\悭Ȃ UART \ꂽA
  ͑ݒ̖łB̏ꍇ́A ``setserial'' ̐ݒɖ肪
  ΁AύX܂Bڂ ``setserial Ƃ͉?''Ă
  BR̂ƂłAۂ͌ÂVA|[ggĂ̂
  setserial ܂ƂĂAPɎԂ邾łB

  16.12.  VXeN̉ʂŁAVA|[g IRQ ԈĂ
  \܂

  Linux J[l̓VXe̋N IRQ ̌o͑Ss܂B serial
  W[[hꂽƂɁAVAfoCX̌os邾
  BāAJ[l IRQ Ɋւčs\͖ĂB
  ȂA̎_ł͕W IRQ ߑłĂ邩łB̂悤
  ȂĂ̂́AIRQ o͓ĂɂȂ炸AԈႤƂ邩łB
   setserial NXNvgsꂽꍇɂ́Asetserial  IRQ
  ύXAV(đ)ԂNʂɕ\܂BԈ
  IRQ Œĉʂɕ\Ȃ΁A肪NĂ܂B

  āAIRQ 5 ɐݒ肳Ă ttyS2 ꍇłĂALinux ̋N
  ɂ

       ttyS02 at 0x03e8 (irq = 4) is a 16550A

  ƕ\܂(ÂJ[lł ``ttyS02'' ̂Ƃ낪 ``tty02'' ƂȂ
  ܂)BۂɎg IRQ  Linux ɒm点ɂ́Asetserial gȂ
  ΂Ȃ܂B

  16.13.  "Cannot open /dev/ttyS?: Permission denied" ƂG[o
  

  ``ls -l dev/ttyS?/'' sẴ|[g̃t@C̃p[~bV
  ׂĂ݂܂傤BttyS? ̏L҂ł΁Aǂݏ̃p[~bV
  Ƃ crw KvłBŏ̌ c (LN^foCX)łB|[g
  ̏L҂łȂ΁A8 ڂ 9 ڂ rw- łȂ΂Ȃ܂B܂
  Nł̃|[gǂݏłȂ΂Ȃ܂BANZX𓾂
  @ƂẮAO[vp[~bVĂuO[vvɏ
  ƕGȂ̂܂B

  16.14.  ttySx ɂ "Operation not supported by device"

  ̃G[́AJ[lT|[gĂȂ߂ɁAsetserial  stty 
  v삪sȂƂӖłBȑO ``serial'' W[
  [hĂȂƂ̏ꍇ̂łAPnP ̓oɂA
  ̃G[̓hCo( setserial)lĂAhXɃf (
  邢͑̃VAfoCX)ȂƂƂȂ܂B
  AhXɃfȂ΁ÃAhXɑꂽ(̂߂)
  R}h͓RȂ珈܂B ``VA|[g̃n[hEFA
  ݒ?''  ̐߂B

  ``serial'' W[[hĂȂ̂ɁÃW[͂
  [h ``lsmod'' \ꍇ́AW[݂͌̓[h
  Ă邯ǁAG[oƂɂ̓[hĂȂ̂܂
  B̏ꍇAW[͕KvȂƂɎIɃ[h܂(
  邱Ƃł)B``serial'' W[IɃ[h
  ́A /etc/modules.conf ܂ /etc/modules ɋLqĂ܂B
  W[̂̂ /lib/modules/.../misc/serial.o ɂ͂łB

  16.15.  "Cannot create lockfile. Sorry"

  炩̃vO|[guI[vvƂAbNt@C
  /var/lock/ ɍ܂Block fBNg̃p[~bVԈĂ
  ƁAɃbNt@C܂Bp[~bVǂ
  mFɂ ``ls -ld /var/lock'' g܂Bʂ͑Sɑ΂rwx
  ł(rwx  3 xJԂ܂)Bp[~bVԈĂꍇ
  ́A``chmod'' R}hgďC܂BA``lock'' fBN
  gȂ΁AɃbNt@C邱Ƃ͂ł܂BbNt@
  CɊւAڂɂĂ Serial-HOWTO ́ubNt@C
  Ƃ͉ł?v̐߂B

  [ : p[~bVݒ肷ɂ chmod 1777 /var/lock sĂ
  Bڍׂ chmod(1) B

  JF vWFNgɂ{ Serial-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Serial-HOWTO.html> ]

  16.16.  "Device /dev/ttyS? is locked."  (foCX /dev/ttyS? bN
  Ă܂)

  ̃bZ[Woꍇɂ͂炭AN̐l(邢͑̃vZX)
  VA|[ggĂ܂B̃|[gugpṽvZX
  @͂܂B̕@́AbNt@C
  (/var/lock/LCK...)̒g邱ƂłB́A|[ggĂv
  ZX ID ̂͂łBvZX ID  Ⴆ 261 Ȃ΁A ``ps 261'' 
  sAꂪ𒲂ׂ܂傤BāÃvZXsvł
  ΁A``kill 261'' ŗD kill Ăł傤BŏIȂ
  A``kill -9 261'' sċI kill ĂBA
  ꍇɂ̓bNt@CꂸɎĉŁAŏKvł
  BA261 ̂悤ȃvZX݂ȂΒPɃbNt@C
  Ă܂܂BAbNt@CvZX ID (261 )
  ł΁Ȁꍇ̃bNt@C͎Iɍ폜͂
  B

  16.17.  "/dev/ttyS?: Device or resource busy"

  fœdb悤ƂƂDCD 邢 DTR ɓ삵Ȃ
  ƁA̖肪N܂BDCD  getty |[gĎĂƂł
  ȂAۂɉȂƂ(ႦΒN_CCƂ)
  ON ɂȂׂłBڑɂ DCD  ON ɂ悤fݒ肵Ă
  邩Am߂ĂBgetty  kermit Ȃǂ̒ʐMvO
  ĂȂǁAgp͂ł DTR  ON ɂȂĂׂłB

  ``resource busy'' ͑̏ꍇA(ttyS2 ̏ꍇ)ũfoCX ttyS2
  ݂̊gpȂ̂ŁAttyS2 gƂ͂ł܂vƂӖłB
  ``setserial'' ̐ݒɂ銄݂̏Փ˂̉\܂B̃G[
  bZ[WƐmɌƁAuttyS2 g܂Bsetserial ̃f[
  ^ÃfoCX ttyS2 ݂̊gĂƎĂ܂vƂȂ
  ł傤B

  ɂ 2 ̉\܂BЂƂ݂͊ۂɏՓ˂Ă
  ŁA͏CȂ΂Ȃ܂BAsetserial 
  ݒ肵Ă̂ȂAttyS2 gȂR͂Ȃł傤BAՓ
  Ԉē`悤 setserial ͏܂BNbZ[WāA
  ttyS2 gpĂ setserial lĂ銄݂mKv
   (setserial ̓G[bZ[W ``device busy'' ôŁAɂ
  삵Ȃł傤)BāÅ݂𑼂̃foCXgĂȂ
  A邢̓n[hEFAŐݒ肵Ă銄݂ƓǂAm߂
  B

  16.18.  guΏ̂߂̃c[

  guɑΏ鎞ɎgƂ悢vO܂:

  o  ``lsof /dev/ttyS*'' ͊JĂVA|[g\܂B

  o  ``setserial'' (hCo݂ƍl)|[g̒჌xn[h
     EFAݒ̕\Ɛݒs܂B``setserial Ƃ͉ł'' 
     B

  o  ``stty''  (``setserial'' ) |[gݒ肵A\
     ܂BSerial-HOWTO  ``stty'' ̐߂B

  o  ``modemstat''  ``statserial'' ́Af̊eM(DTR, CTS 
     )݂̌̏Ԃ\܂

  o  ``irqtune'' g΁AVA|[g݂̗̊DxグĐ\
     コ邱Ƃł܂

  o  n[hfBXÑ`[jOs ``hdparm'' 炩ɗ
     ܂

  o  ``lspci''  PCI oX̃n[hEFAɎۂɐݒ肳Ă IRQ 
     ǂ\܂B

  o  ``pnpdump --dumpregs''  ISA oX PnP foCXɂāAn[h
     EFAɎۂɐݒ肳Ă IRQ \܂B

  o  /proc ɂ (ioports, interrupts Ȃǂ) ut@CvB

  17.  tṼAbvO[h

  ̃fł́AC^[lbgɓꂽAbvO[hvO
  gAtbVɂvOւ邱Ƃł
  BPC VA|[gʂăfւ́uvOv𑗂A
  ̃vO(d؂ĂeȂ)sɋL
  BĂCXg[ɂ Windows ł̕@Ă̂ŁA
  (Windows ŃAbvO[hsꍇ) ǂ̂悤ɂ Linux 
  ̍ƂŝKv܂BfɃvO𑗂邱
  ƂA_E[hƌĂԂƂ܂B

  HOWTO ̍ŐVo[W(`` HOWTO ̐Vo[  W'' 
  )ł̈˗ڂĂȂA̐l̖ɗ̂ŃAbvO[
  h̑̌k𒘎҂܂őĂB

  AbvO[ḧʓIȍlɋ܂Bɗf[^̓tb
  ṼAbvO[hf[^ƃf֓`R}hA܂Kv
  ɂȂł傤BAT** R}hɂ܂B(minicom ̂悤)
  MvONA^CvĂBf݂邩ǂm
  ߂邽߁A܂ AT <enter> ƃ^CvAf ``OK'' Ɖ܂B

  ɁAf֒ڃt@C(Ƃɂ 2 ̃t@C)𑗂Kv
  B(minicom ̂悤)ʐMvÓAf(ăfz)
  t@C𑗂邽߂ɁAzmodem  kermit gp邱Ƃ܂B
  A̓t@Cւփb_ǉăpPbgɂ܂Bt@CύX
  ɐmɃf֑肽̂łBʐMvO kermit ɂ( kermit
  pPbgg킸) t@C𒼐ڑ ``transmit'' R}h
  ŁAgƂt@C𒼐ڑЂƂ̕@łBminicom 
  1998 N܂ł̋@\Ă܂łB

  t@C𑗂ЂƂ̕@܂BʐMvO痣ăVF
  ֈڍs (minicom ł ^AJ)A(VA|[g ttyS2 ̏ꍇ) cat
  upgrade_file_name > /dev/ttyS2  ƃ^Cv܂BāA(minicom ̃R
  }hvvg fg ƃ^Cv) ʐMvO֖߂AN
  mFĂB

   Rockwell Аfł̗܂ (C-a  ^A \܂):

  - minicom N
  - AT** ^Cv : "Download initiated .." 𓾂
  - C-a J
  - cat FLASH.S37 > /dev/modem
  - fg : "Download flash code .." 𓾂
  - C-a J
  - cat 283P1722.S37 > /dev/modem
  - fg : "Device successfully programmed" 𓾂

  18.  ̏

  18.1.  ̑

  o  }jA : agetty(8), getty(1m), gettydefs(5), init(1),
     isapnp(8), login(1), mgetty(8), setserial(8)

  o  (̂Ȃ)f̃}jAB}jÂȂf
     B

  o  Vern Hoxie ɂ Serial Suite
     <ftp://scicom.alphacdc.com/pub/linux>  Linux ̃VA|[g̈
     Ɋւ鐄EĩRNVŁA̊ȒPȃvO
     ܂B

  o  Linux ̃VA|[gɊւ郁[OXgBQɂ́A{
      ``subscribe linux-serial'' Ə[
     majordomo@vger.rutgers.edu ֑ĂB{ ``help'' Ə
     ă[oƁAwvbZ[W͂܂B ̃T[o Linux
     Ɋւ鑽̃[OXg񋟂Ă܂B[OXg
     𓾂 ``lists'' R}h𑗂ĂB

  18.2.  

  fɊւVėǂЂ܂łB

  o  Gilbert Held  The Complete Modem Reference, 1997.  x
     bɊւ鑽̏񂪍ڂĂ܂BC^[lbgłƐV
     񂪌ł傤B

  o  Tina Rathbone  Modems For Dummies, 1996.  (xƂ
     ܂)

  o  Cass R. Lewart  Ultimate Modem Handbook, 1998.

  18.3.  HOWTO

  o  Cable-Modem mini-howto

  o  ISDN Howto (LDP  Howto ł͂܂)
     <http://www.suse.de/Support/sdb_e/isdn.html>: ISDN ufṽh
     CoɊ֘Â񂪍ڂĂ܂AhCcłB

  o  Modems-HOWTO: tXłB ( Modem-HOWTO ߂ɎQl
     Ă܂)

  o  NET-3-4-HOWTO: SLIP, CSLIP  PPP ܂ރlbg[NS

  o  PPP-HOWTO: fݒ܂ PPP ̃wv

  o  Serial-HOWTO ɂ͒[ƏWfô߂ɁA}`|[gVA
     {[hgp񂪍ڂĂ܂B HOWTO ڍׂȃVA
     |[gɊւLq܂B

  o  Serial-Programming-HOWTO: VA|[gvO~O̊ϓ_
     ̂łB

  o  Text-Terminal-HOWTO: fƂ̐ڑɊւLq܂B

  o  UUCP-HOWTO: UUCP ݒ̂߂̏

  [ : JF vWFNgɂ{ Cable-Modem-mini-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Cable-Modem.html>, NET-3-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/NET-3-HOWTO.html>, PPP-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/PPP-HOWTO.html>, Serial-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Serial-HOWTO.html>, Serial-
  Programming-HOWTO <http://www.linux.or.jp/JF/JFdocs/Serial-
  Programming-HOWTO.html>, Text-Terminal-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Text-Terminal-HOWTO.html> 
  UUCP-HOWTO <http://www.linux.or.jp/JF/JFdocs/UUCP-HOWTO.html> ]

  18.4.  j[XO[v

  o  comp.os.linux.answers Linux Ɋւ FAQ, How-To, README Ȃ

  o  comp.os.linux.hardware Linux Iy[eBOVXeł̃n[hEF
     A݊ɂ

  o  comp.os.linux.setup Linux ̃CXg[ƃVXeǗ

  o  comp.dcom.modems ׂĂ OS ł̃f̘b

  [ : ̂悤ȃj[XO[v܂B

  o  fj.os.linux Linux 

  o  fj.os.linux.setup Linux ̃CXg[ѐݒɂ

  o  fj.os.linux.networking Linux ̃lbg[Nɂ

  o  fj.net.modems fɂ

  o  fj.net.modems.fax FAX fɂ

     ]

  18.5.  Web TCg

  o  Hayes AT fR}h Technical Reference for Hayes (tm) Modem
     Users <http://www.hayes.com/TechSupport/techref/>

  o  Rockwell-based modem commands
     <http://www.rss.rockwell.com/techinfo/>

  o  Modem FAQs:
     Navas 28800 Modem FAQ
     <http://web.aimnet.com/~jnavas/modem/faq.html>

  o  Curt's High Speed Modem Page
     <http://www.teleport.com/~curt/modems.html>

  o  56k fɊւ鑽̏ 56k Modem = v.Unreliable
     <http://808hi.com/56k/>

  o  Links to modem manufacturers
     <http://www.56k.com/links/Modem_Manufacturers/>

  o  Identifying modems by FCC ID
     <http://www.sbsdirect.com/fccenter.html>

  o  Linux œ삷/Ȃf̕sSȈꗗ modem list
     <http://www.o2.net/~gromitkc/winmodem.html>

  [ : Ӌ@ <http://www.linux.or.jp/link/peripheral.html> ɁAV
  A|[g⃂fɊււ̃NW܂B]

  19.  t^ A: (ZpI)fǂ̂悤ɓ삷̂ ()

  19.1.  ϒ̏ڍ

  19.1.1.  ϒ̏_

  ̏͂ł͒ʏ̃fǂ̂悤ɂĕϒŝA̎@qׂ
  B``56k f (v.90)'' ƂǂgpAfg(W
  Ȃǂ)@ɂĂ͋Lq܂BA56k f͈ȉɏqׂ
  ϒ@gpĂ܂B

  ϒƂ (0  1 )i@ŕ\ĂfW^MAĝ悤
  AiOM֕ϊ邱ƂłB`邽߂ɒꂽg
  uLAvAϒM͂łĂ܂BgƓdύX
  ĂȂLAǵA(LA݂Ƃ)S
  `B܂B`邽߂ɁÃLAύX(邢͕ϒ)
  ܂Bϒɂ 3 ̊{IȌ`AgϒAUϒAĈʑ
  ϒ܂B߂Ő܂B

  19.1.2.  gϒ

  łPȕϒ͎gϒłBg͐g 1 bԂɉ
  𐬂ő܂B 1 bԂɐg`JԂ񐔂łB
   1 bԂɍōl֒B񐔂ƓłBuփcv(ȗ Hz) ́u1
  bԂ̎v̈ӖŎg܂B

  gϒ̊ȒPȗ́Agi 0 \AȊO 1 
  \̂łBႦ΁Ax 300 {[̃fł́A1070 Hz  0 
  \A1270 Hz  1 \Ă܂BugړvƌĂт
  B 2 ̎gł͂Ȃ葽̎gg΁AXɑ̏
  𑗐Mł܂B(A, B, C  D Ƃ) 4 ̈قȂg
  ȂAꂼ̎g 2 rbg\܂BႦ΁A00 𑗂邽߂
  g A p܂B01 ɂ BA10 ɂ CA11 ɂ D gp܂B
  lɁA8 ̈قȂgpAgVtg 1  3 rbg𑗂邱
  ł܂Bgpg̐ 2 {ɂ邲ƂɁAMłrbg
   1 ܂B

  19.1.3.  Uϒ

  L̎gω 1 ŕ̃rbg\łgϒ̗𗝉
  ȂAUϒшʑϒƂȒPɗł܂Bg̎g
  ύX̂Ǝ悤ɁAUϒ͐g̍(d)ύX܂BP
  ȏꍇł́AЂƂ 0AЂƂ 1 \悤 2 ̐Ug
  p܂BgϒɂĂ̐ƓlɁA葽̐Up 1
  ̐Uϒł葽̏𑗂悤ɂȂ܂B

  19.1.4.  ʑϒ

  g̈ʑύX邽߂ɁAuԂɂȑO̐g̑M~߁A
  ɓ̎gƐU̐Vg𑗂o܂BÂg̑M
  ~߂ƂƓdx(Čz)ŐVg𑗂n߂
  Aʑɕῶ܂(ĕωmł܂)BAg
  `̈قȂ_AVgJnƍlĂBƁAÂ
  g~߂ĐVgJnہAˑRdωł傤B
  ꂪʑ̕ωłApx̒Pʁuxvő܂B0 x(邢 360
  x)̈ʑω͉ωȂƂӖA180 ẍʑω͐g
  d(ƌz)t]܂BƁA180 ẍʑω͑M̏uԂ
   (180 x)Ƃ΂܂BA90 x 135 xȂǂ̕ϒ
  ܂Bgϒ̗ł́AXɈʑ̕ύX\łA1 ̈ʑω
  ł葽̏\ł܂B

  19.1.5.  ϒ

  gϒAUϒA邢͈ʑϒЂƂI邾ł͂
  A̕ϒ@p邱Ƃłł傤B256 ̎g
  ΁A1 ̕ϒ 1 oCg (8 rbg)𑗂܂(ȂȂA2  8 
  256 ł)B܂A256 ̈قȂU΁AeX̕ϒ 1 oCg\
  ł܂BXɁA256 ̈ʑgꍇlĂBƁA₪
  lAgAUAĈʑ 3 ނ̕ϒł邩Ȃ
  ƁAwEł傤Bň̑M 3 oCg𑗂܂B

  ݁AۂɂsĂϒ͂܂B3 ނ̕ωׂ
  oɂ͔rIԂAIł͂܂Bʑ̕pɂ
  ωAۂɂ͂Ȃg̕ωNĂ܂̂łB

  ̓_邽߁A(g͕ω)ʑƐU𓯎ɕω
  @ł傤Bʑ - UϒƌĂт܂(Ƃɂ
  Quadrature Amplitude Modulation = QAM ƌĂт܂)B݁A̎@
  14.4k, 28.8k,  33.6k ̃fňʓIɎgĂ܂B݁A
  ̕ϒ@gĂȂdvȗ 56k fłBA56k f
   PC dbւ̕ł͂ς QAM (ʑ - Uϒ)gp
  ܂B̏ԂǂȂƂ́At QAM ɖ߂܂B̂悤
  ɁAł QAM (ʑ - Uϒ)͒ʏ̓dbł͍łLgpꑱ
  Ă܂B

  19.1.6.  56k f (v.90)

  ɋ 33.6k fgpuϒv́Aʏ̈ʑ - Uϒ
  ƊSɈقȂ킯ł͂܂BʓIȒʘb͓dbЂ̎sǂŃfW
  ^Mɕϊ܂B]āAʏ̓dbőōx́Adb
  gfW^`ƓxɂȂ܂B̑x͂ǂ̂炢Ȃ̂
  傤?  ͂ق 64kbps łB64k ł͂̂łA̖ړI
  ߂Ƃǂrbguv܂BAdbЂ̓fW^
  ƕĂȂȂ͂Ȃ܂B64k ̏ꍇ
  AĂȂ{̑xႢ̂܂(56k ȉ --Ă
  Ȃ菭Ȃł)B

  ʏ̓db̓fW^𑗂悤݌vꂽfW^gpĂ
  AΓIȍōx 64k łB64k g߂ɂ́AdbЂAi
  OMǂ̂悤ɃfW^M֕ϊĂ邩Afmɒm
  ΂Ȃ܂B̎d͗̒[AiOC^[tFCX
  ĂȂƁAɕGɂȂ܂BAɃfW^C^[
  tFCXȂA(ȂƂɊւĂ)\ɂȂ܂BISP 
  dbЂւ̃fW^C^[tFCXȂAISP  PC ֌ēdb
  ʂ̃fW^f[^𑗂Ă肠܂BISP ̃fW
  ^M PC ɋ߂(炭ɂ߂)sǂŁAAiOMɕϊ
  ܂B]āAƂ̃fW^MȂ̂𐳊mɌ邱ƂA
  Ȃ̃f̎dɂȂ܂Bꂪł΁A(dbЂ̃fW^M
  ̑xł) 64k ̑M̕ɂĂ͉\ɂȂ܂B

  AiOMfW^֕邽߂ɁAdbЂ͂ǂȎ@g
  ł傤?  dbЂ̓AiOM̐U𖈕b 8000 ̊ŕW{
  ܂BeX̕W{U 8 rbg (ASCII Ɏ)oCg֕ϊ
  ܂(mF : 8 x 8000 = 64k)B ̑upXϊ (Pulse Code
  Modulation)v = PCM ƌĂт܂BāÃoCgdbЂ̃fW^
  Hő܂B̉H́udvƂĒmĂdg݂
  gāẢ{̉HLĂ܂BŌɎɋ߂db
  ŃfW^M𕪗APCM ō쐬Ƃ̃fW^MƓ̂
  ܂B̐MAiOMɕϊA܂ő܂BeoCg̓Ai
  OM̓̐U𐶐܂Bf̎d͌oUɊÂ
  āA PCM M 1 oCg肷邱ƂłB

  ́uUv̗ނłA{̐UƂ킯ł͂܂B
  LAȂ̂ŁAUł͂܂B́APCM ̋tϊ
  uWϊvƌĂт܂BdbЂAiOMɎgƂ̃fW^
  M肷邽߂ɂ́AAiOM𐶐ۂɁAf͓db
  ƑSuԂɃAiOM̐UW{Ȃ΂Ȃ܂B
  邽߁AAiOdb𗬂c 4 kHz MAM
  𐶐܂B邢͎ 8k Tv/b őḾA4kHz
  ̐M𐶐܂B̃TvꂼꂪtɐƍlĂ݂Ă
  BƁA4kHz ̐gɎg`ł܂BӖAeX
  Tv_ 8 rbg\V{łAUW{邱Ƃ
  uV{^C~OvƂĒmĂ܂B

  PCM ͐^ł͂܂BUꍇɂ́AM傫ꍇ
  ƔׂƁAPCM ̒l 1 ĂƂĂAiOM̐U͔ɏ
  ܂B]āAUƁAאڂTvlƎ
  邱ƂȂ܂B̎ʂeՂɂ邽߂ɁAɏȐU
  ɂȂ悤ȓ PCM ͎gp܂BAeX̐UԂł
  傫ȍ邱ƂłAf͐mȐUeՂɌoł悤
  Ȃ܂Bv.90 ł͎gpłÛg܂B(eX
  UɊ蓖Ă)ꂼ̃V{A8 rbgł͂Ȃ 7 rbg\
  邱ƂƓłB܂A7 rbg/V{ ~ 8k V{/b = 56k
  bps ƂȂ܂BAۂɂ͊eV{ 8 rbgŐ܂B
  Agp\ 256 oCĝ 128 oCĝ݂gp܂B
  A 8 rbg\ 128 oCg 7 rbg\ 128 oCg֕ϊ\
  ̂łB
  [ : dbԂ PCM ͑ΐk(-law k)gp̂ŁAU
  ꍇɂ͗ʎq̊ԊuȂ܂B]

  A͏XGłB̏ԂقǗǂȂAgp
  Ux(V{)菭ȂȂA]x 56k 
  ܂B܂AAJO{̋Kdbɍo͂𗬂Ƃւ
  Ă邽ߑ傫ȐUgpłA``56k'' fȂ̂ɍōł 53.3k
  oȂȂ܂B

  dbԂ̃fW^͑oł邱ƂɒӂĂB
  2 ̉H͑MꂼɂāA1 Âgp܂Bƒ⎖
   ISP ւ̕ɂ͂ЂƂ̃AiOڑH܂B̕
  (53.3k ł͂Ȃ)ő 36.6k ̓`IȈʑUϒg܂B(
  ł͐܂)xȃLZ[V@ɂAɑo
  ̒ʐMł܂B

  [ : ʏA΂ȂdbŃf[^̑Ms܂B̂܂܎
  M̂ł́AMMɑMMĂ܂܂BA[
  gMMmĂ̂ŁAMM玩gMM
  Z܂BƁAMM݂̂o܂B̂悤ɂāA΂̓d
  bőo̒ʐMs܂B]

  20.  t^ B: ``{[''  ``bps''

  20.1.  ȒPȗ

  炭ARs[^ѓdCʐM̕ŁA``{[''  ``bps'' ͍ł
  pP̂ЂƂłB̐l 2 ̒P͓Ӗƍl
  Ďg܂BAۂɂ͂ł͂܂!  PɁAbps  1 b
  ɓ]rbgłB{[[g 1 bԂɉMω邩\
  ړxłBT^IȃVA|[gł́A1 ̃rbg -12 {gŁA 0
  ̃rbg +12 {gɂȂ܂B38,400bps Ȃ 010101... ̘ÁAd
  b 38,400 񐳕̊Ԃ̂ŁA38,400 {[ɂȂ܂B
  A111000111... ̘Ał́AA 3  1 ̂œd -12 {
  gɗ܂܂܂ɂȂ̂ŁAdῶ菭ȂȂł傤B̏
  łA1 bԂ 38,400 ̓dω\Ȃ̂ŁA͂ 38,400 {[
  Ȃ܂B

  ʂ̕@ōlĂ݂܂傤B(dωĂȂƎvĂ) erbg
  ؂ˋ̋LuĂ݂ĂB38,400 {[ 1 bԂ 38,400
  ̋Lu邱ƂӖ܂BωłuԂɑ݂邱̋ĹA
  ۂɃn[hEFA̐铯Mt܂B̓M͊O
  ɎtP[uɂ͏oĂ܂B

  O̗ŋ(}12 {g) 2 ނ́uωvAd̎ނɕ
  łꍇlĂ݂ĂBʉ\ 4 ނ̓dɕωł
  Ɖ肵܂傤BeX̓d (01 ̂悤) 2 rbg\ł܂B
  Ⴆ΁A- 12v  00A-6v  01A+6v  10A +12v  11 \
  B̗ł́Arbg[g{[[g 2 {ɂȂ܂Bb 3000
  ̕ωꂼ 2 rbg𐶐ƁA6000 bps ɂȂ܂B
  ƁA3000 {[ 6000 bps ɂȂ܂B

  20.2.  ۂ̗

  ɋ͔ɊȒPłBۂɂ͂ƕGłAlɊ
  ÂĂ܂B2400 {[œ삵Ă郂fAǂ̂悤ɂ 14400
  bps (邢͂ȏ)xôAŐ܂Bf 1
  ̕ϒ(ω)ő̃rbg𕄍邱ƂɂA{[[g荂
  rbg[go܂B]āA1 ̕ϒ 2 rbg邢͂ȏ
  ̃rbg𕄍ƁArbg[g̓{[[g̒lz܂Bf
  Ԃ̐ڑx 14400 bps ȂA2400 {[ň̕ϒɂ 6
  rbg𑗂Ă܂B28800 bps ł́A9 bit/{[  3200 {[œ삵
  Ă܂B{[ƂPpĺA(33.6K Ƃ)fẍ
  ŎgĂ邩܂B

  ȑO̓f̃rbg[g 50, 75, 110, 300, 1200, 2400,  9600
  bps łBVA|[gƃfԂ̃rbg[glłB݁A
  fԂ̃rbg[g 14.4k, 28.8k, 33.6k,  56k łB
  AVA|[gƃfԂ̃rbg[g͓͂ȂA19.2k,
  38.4k, 57.6k, 115.2k ɂȂ܂B(ō 1/4 ̈ks) V.42bis f[
  ^kŃfgpƁA33.6k fł 115.2kbps ɒBrbg
  [g\ɂȂ܂(56k fł 230.4kbps \ɂȂ܂)B

  56k fÃf 2400, 3000 邢 3200 {[œ삵
  ܂Bi̓dbł͑шɌE邽߁A2400 {[ȏ̃{[
  [gô͓AiǂƂgp܂B

  rbg[gƃ{[[g̍͂ǂ̂悤ɂĎn܂̂ł傤?
  āA̒ᑬffƌĂ΂Ăɖ߂Ă݂܂傤B
  rbg[gƃ{[[g͎ۂɓ̂łB1 rbg͂ЂƂ̈
  ωŕĂ܂Brbg[g{[[gl
  ŁA݂ bps ƃ{[ʂȂgĂ܂BႦ΁A300 bps ̃f
   300 {[łBfɏoƂA傫ȕω܂
  Brbg[g{[[ĝłB``{['' ͔񓯊dv
  ^𔭖 Emile Baudot ɂȂŖt܂B̖
  ЂƂ̕@́Au{[vł͂ȂuV{[g(ϒx)v
  gƁAāu{[vƂP̎gp邱ƂłB

  21.  t^ C: [T[oڑ

  ̏͂ Text-Terminal-HOWTO ҏŴłB

  [T[o͑̃f(邢͒[)𕡐̃Rs[^֐ڑł
  AXCb`̂悤Ȃ̂łB͋@BIȃXCb`ł͂Ȃ̂ŁA
  ʉ߂f[^̑xƃvgRϊł܂BXyplex, Cisco, 3Com,
  Computone, Livingston Ȃǂ́ÅƂ[T[oĂ܂B
  ̎ނƓ܂B(Linux PC Ŏ̃^[~iT[o
  \܂)  HOWTO ɂ͂̔rƐKv
  B̐l͒ڒ[֐ڑAfpĐڑĂ܂B

  [T[o̎gp@̂ЂƂ́AzXgRs[^ɐڑ鍂lbg
  [Ñ֑fڑ邱ƂłBA[T[oɂ͍
  Z\͂ƃlbg[NvgR𓮍삳\tgEFAKvłB[
  T[o̓[Uƌ݂ɉbAǂ̃Rs[^Ɛڑ邩Ȃǂq˂
  B邢́Aq˂ɐڑ邩܂B[T[oʂāA
  v^ֈWu𑗂lł傤B

  ݁AeVA|[gɃn[hEFA݂KvȂƂāAPC 
  ^[~iT[o𖱂߂ɂ͏[ȉZ\͂Ă܂BPC ɂ͒ǉ
  VA|[gp̗\݂̊ 2-3 ܂BāA\t
  gEFAł̓n[hEFÅ݂܂B̉@́Ag
  ݂Ă㓙ȃ}`|[gVA{[hgp邱ƂłB
  (܂Afł́Ã|[g PC ̂ЂƂ݂̊LĂ
  ܂B) ڍׂ Serial-HOWTO B PC  Linux
  삵ÃVA|[g getty ĂȂA[T[o
  l邱Ƃłł傤Blbg[Nʂđ PC ƐڑA
  f[^ʉ߂ 14 oCgȂǂɃVA|[g݂̊
  A[T[oɂȂ܂B``radius'' Ƃ\tgEFAgp
  邱Ƃ܂B

  ݁Aۂ̒[T[o͂̒[ȏ̃T[rX񋟂܂B[G
  ~[g PC ɃT[rX񋟂AƂɂ͓dbɂȂW
  fƐڑ܂Bf̂܂B[(邢
  PC G~[g[)ڃfɐڑĂȂA̔Α
  ɂ郂f͒[T[o֐ڑł܂BeLXg[Ȃ PPP
  pPbgA[T[oftHgő҂󂯂Ă邱Ƃ܂B

  [ : JF vWFNgɂ{ Text-Terminal-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Text-Terminal-HOWTO.html>, Serial-
  HOWTO <http://www.linux.or.jp/JF/JFdocs/Serial-HOWTO.html> ]

  22.  t^ D:  ̎ނ̃f

  _ł́A HOWTO ͒ʏ̃AiOdbPC ڑ邽߂Ɏg
  AʓIȃ^CṽfĂ܂Bɂfɂ͂낢
  Ȏނ܂BfƌĂԂ̂̎ۂɂ̓fł͂Ȃ̂
  B

  22.1.  fW^ufv

  f̕WIȒ`́AꍇɂẮufW^vf܂ނ܂łɊg
  ܂B݁AfW^ڑT[rX̉ƒ⎖ɒ񋟂A
  Rs[^͓dbɃfW^M𒼐ڑo܂BAR
  s[^̃fW^MAdbe`֕ϊ鑕uKv
  BƂɂ͂̑u̓fƌĂ΂܂B HOWTO ł͂
  f͈܂񂪁A HOWTO ̍ŏɃNڂĂ܂B 3 
  ̐߂ ISDN, DSL  56k ̃fW^ڑufvɂẲ
  B

  22.2.  ISDN ufv

  ́ufv͐̓^[~iA_v^ (TA) łBDebian 
  ``isdnutils'' pbP[Wpł܂BhCc ISDN HOWTO p
  |󂳂A <http://www.suse.de/Support/sdb_e/isdn.html> ɂ
  BLinux  SuSE fBXgr[VJĂA炭
  SuSE ŎghCoɊւ̂łBisdn4linux pbP[Wƃj[X
  O[v de.alt.comm.isdn4linux ܂Bȇ̓hCcłB
  (DejaNews ̂悤)T[`GWŁA``isdn4linux'' L[[hɂ
  TĂ݂ĂB

  22.3.  fW^Ґ (Digital Subscriber Line = DSL)

  DSL ͎Ŋ̓dbǂ܂ŁÂΓg܂B(56k )
  ʏ̃f̑MdbeȂADSL g
  B߂̓dbǂɂAiO-fW^Ro[^A荂Ńf[^
  ]\ȃRo[^֒u܂(AM`͈قȂ܂)B
  Rs[^̃fW^f[^dbŎgpfW^M֕ϊ
  u܂AfƌĂт܂B

  [ : fW^Ґ (ADSL)  HOWTO ܂BJF vWFNg
  { ADSL-HOWTO <http://www.linux.or.jp/JF/JFdocs/ADSL.html> ]

  22.4.  56k fW^f

  ƒ⎖œĂ 56k fɑΌ郂fׂ͂āAdb
  ̃fW^VXe֒ڐڑĂȂ΂܂B]āÂ
  [ɂ ISP ́Aڋq 56k T[rX񋟂ʂȃfW^f
  肷Kv܂BɉāA(T1, E1, ISDN PRI 邢͂
  ) ɑ̉񋟂ł鍂֏Wfőd
  Bɂ̓RZg[^u[gANZXT[ovKvłB
  ĂA(PC ɂɂĂ邯ǔɌʂŐp OS g) X^hA
  [̑u̖ʂĂ܂B݂́APC  PCI oXɑ}
  ēlȏsA̃{[h܂B

  22.5.  pf

  ̓fW^fł͂ȂAAiOfłB̓ʂȃf͓d
  bЂ؂肠Ŏgp܂BꍇɂĂ͒ڑs
  Bʏ̌Opf́Ał͐ɓ삵܂B
  ̉ł́AgpĂȂƂɂ͖ 40`50 {g̓dĂ
  āAf͑Mɂ̓dp܂BāAdbЂɂ͒Mʘb
  Ȃǂm点ʂȐM܂Bʏ̃f͂̐M
  󂯂āA܂Bɂ͐MȂ̂ŁAf
   2 ڑĂ삵܂B

  ʏ̐p 9600 {[ V.29 gpA(e 1 {Âg) 4
  ̉łBЂ̃fƌ݊̂Ȃpf܂B

  [ : pɊւ mini-HOWTO ܂BJF vWFNgɂ
  { Leased-Line mini-HOWTO
  <http://www.linux.or.jp/JF/JFdocs/Leased-Line.html> ]

  23.  {ɂ

  { Linux Japanese FAQ Project ɂčs܂B|Ɋւ
  ӌ JF vWFNg <JF@linux.or.jp> ɘAĂB

  ȉɎ܂B

     v0.08j, 23 Jan. 2000
        | : Ƃ <can-s@geocities.co.jp>

