  The Linux Plug-and-Play-HOWTO
  David S.Lawyer <dave@lafn.org>
  v0.11, May 2000
  Linux Japanese FAQ Project <JF@linux.or.jp>
  v0.11j, May 08, 2000

  GȃvO&vC(Plug-and-Play)ɂėC߂̂
  `܂D܂ Linux VXevO&vCΉɂ@Љ
  ܂D
  ______________________________________________________________________

  ڎ

  1. ͂߂
     1.1 쌠\Co^WCƐӎCNWbg
        1.1.1 Copyright
        1.1.2 Disclaimer
        1.1.3 Trademarks.
        1.1.4 Credits
     1.2 ̌v: Ă
     1.3  HOWTO ̍ŐVłɂ
        1.3.1 {ɂ

  2. PnP ̎d: uoX\[Xv̊蓖
     2.1 vO&vC(PnP)Ƃ͉?
     2.2 Rs[^ɂfoCX̌(܂͂̋t)
     2.3 I/O AhX
     2.4 IRQ --Tv
     2.5 DMA `l
     2.6 ̈
     2.7 foCXƃhCo̗ɂƂẮu\[Xv
     2.8 
     2.9 VA|[gɑ}foCX PnP ɂ錟o

  3. vO&vC(PnP)̉@
     3.1 ͂߂
     3.2 PnP ̓ (ȒPȐ)
     3.3 PC ̋N
     3.4 oX
     3.5 Linux  PnP ܂ĂƂ̕Kv

  4. PnP BIOS ̐ݒ
     4.1 PnP Iy[eBOVXeĂ邩?
        4.1.1 Windows9x Ƒgݍ킹Ă̗p
     4.2 ǂ̂悤ɃoX\[X𐧌䂷邩?
     4.3 ݒZbg邩?

  5. PnP J[ḧ
     5.1 PnP J[hɂ
     5.2 PnP 𖳌ɂ
     5.3 BIOS ł PnP ݒ
        5.3.1 BIOS g PnP ̐ݒsɂ
        5.3.2 BIOS  ESCD f[^x[X
        5.3.3 Windows p ESCD ̐ݒ
        5.3.4 VfoCX̒ǉ (Linux ܂ Windows ɂ)
     5.4 isapnp (isapnptools ̈ꕔ)
     5.5 PCI Utilities
     5.6 J[lɃpb`𓖂Ă Linux  PnP Ήɂ
     5.7 Windows ɂݒ
     5.8 foCXhCoɂݒ
     5.9 PnP Ɋ֘A\tgEFAƕ

  6. hCoɐݒ
     6.1 ͂߂
     6.2 VA|[ghCo: setserial
     6.3 TEhJ[hhCo
        6.3.1 OSS-Lite
        6.3.2 OSS (Open Sound System)  ALSA

  7. ݂̐ݒmɂ?
     7.1 ÑbZ[W
     7.2 foCXhCo͂ǂ̂悤ɐݒ肳Ă邩?
     7.3 n[hEFAfoCX͂ǂ̂悤ɐݒ肳Ă邩?

  8. t^
     8.1 AhX
        8.1.1 ISA oX̐ݒAhX (ǂݏo|[g)
        8.1.2 AhX͈̔
        8.1.3 AhX
        8.1.4 AhX͈͂̃`FbN (ISA ɂ I/O AhX̏Փ˂̌)
        8.1.5 oR̒ڂ̒ʐM
     8.2 荞 --ڍ
     8.3 PCI ̊荞
     8.4 AC\[V

  ______________________________________________________________________

  1.  ͂߂

  1.1.  쌠\Co^WCƐӎCNWbg

  : CZX֌WɂĂ͌̂܂܎܂D

  1.1.1.  Copyright

  Copyright (c) 1998-2000 by David S. Lawyer  <mailto:dave@lafn.org>

  Please freely copy and distribute (sell or give away) this document in
  any format.  Forward any corrections and comments to the document
  maintainer.  You may create a derivative work and distribute it
  provided that you:

  1. Send your derivative work (in the most suitable format such as
     sgml) to the LDP (Linux Documentation Project) or the like for
     posting on the Internet.  If not the LDP, then let the LDP know
     where it is available.  Except for a translation, send a copy to
     the previous maintainer's url as shown in the latest version.

  2. License the derivative work in the spirit of this license or use
     GPL.  Include a copyright notice and at least a pointer to the
     license used.

  3. Give due credit to previous authors and major contributors.

  If you're considering making a derived work other than a translation,
  it's requested that you discuss your plans with the current
  maintainer.

  1.1.2.  Disclaimer

  While I haven't intentionally tried to mislead you, there are likely a
  number of errors in this document.  Please let me know about them.
  Since this is free documentation, it should be obvious that I cannot
  be held legally responsible for any errors.

  1.1.3.  Trademarks.

  Any brand names (starts with a capital letter) should be assumed to be
  a trademark).  Such trademarks belong to their respective owners.

  1.1.4.  Credits

  Daniel Scott proofread this in March 2000 and found many typos, etc.

  1.2.  ̌v: Ă

  CӌC_̑gݗāCP̒ԂC@C͂̕₷C
  Nɖ肪΁CM҂ɂm点D 1 ȏÂł
  ł΁CɍŐVłǂmFĂD܂C̕Ɋ
  AƎv񂪂΂m点D

  M҂ isapnptools ɂĂ David Howells ̃J[lpb`ɂ
  ĂڂׂĂ܂(ׂ悤ƍlĂ͂܂)DBIOS  PnP ǂ
  悤ɏ̂( BIOS ɂĈقȂ܂)CWindows9x ɂ
   ESCD ̍XV@ɂĂSɂ͗Ă܂DāC
  HOWTO ͖łCsm܂(ԈႢ΂m点
  )D HOWTO ł́CM҂mȂƂLƂ
  u??vgĂ܂D

  1.3.   HOWTO ̍ŐVłɂ

  Plug-and-Play-HOWTO ̍ŐVł͂o͂łCLDP Ƃ̃~
  [TCgŉ{܂͓肷邱Ƃł܂D~[TCg̈ꗗ
  <http://linuxdoc.org/mirrors.html> ɂ܂D͗̕lXȃtH[
  }bgœł܂DŐVł̓tƊmFȂC
  <http://linuxdoc.org/HOWTO/Plug-and-Play-HOWTO.html> Ƃ悢
  傤DȂǂł邱̃̕o[W v0.11(2000N5) 
  DVǉꂽڂ scanport [eBeBC typo C
  Csetpci ̊ȒPȎgłD

  1.3.1.  {ɂ

   HOWTO ̓{ Linux Japanese FAQ Project(JF Project)s
  ܂Dv0.09 ܂ł͖|FP <fujiwara@linux.or.jp>CZ: 
  J <yaz-hase@qb3.so-net.ne.jp>, L <takei@cc.kochi-u.ac.jp>
  Av0.10 ͑m <cz8cb01@linux.or.jp> |pł
  D

  뎚E󓙂ΓvWFNg(JF@linux.or.jp)܂łm点
  D܂C̖|ɊւzzіƐӎɂẮCIWi
  ɏ̂Ƃ܂D

  2.  PnP ̎d: uoX\[Xv̊蓖

  2.1.  vO&vC(PnP)Ƃ͉?

  ȒPɐƁCvO&vC̓flbg[NJ[hCTE
  hJ[h̊en[hEFA(foCX)ꏊIɁC
  \tgEFAɒʒm܂DvO&vC̎d́CfoCXƂ
  삷\tgEFA(foCXhCo)ƈvCfoCXƃhCo
  ԂɒʐMu`lv邱ƂłD邽߂ɁC PnP ͈
  ́uoX\[XvhCoƃn[hEFA̗Ɋ蓖Ă܂: I/O
  AhXCIRQ, (ISA oX̂)DMA `lC̈łD 4
  ̃oX\[X̂ƂȂ΁Cq I/O AhXCIRQ,
  DMA `lC̈̐߂ǂłD܂̃oX\[
  X̂ 3 Ɋւ Linux Gazette ̋L Introduction to IRQs,
  DMAs and Base Addresses ɂ܂Dx̃oX\[X蓖
  (ĐhCoCXg[)C/dev fBNg
  ɂfoCX̃t@Cg悤ɂȂ܂D

  ̂悤ȃoX\[X PnP 蓖Ăuݒ(configuring)vƌĂ΂
  Ƃ܂C͒჌xȎނ̐ݒɉ߂܂D܂C PnP
  őpꍇłfoCX̐ݒ̑ PnP ȊOōs܂D
  Ⴆ΃f̐ݒł΁Cuv I/O AhX́u`
  lvgăfɑ܂Dfɕ𑗂邽߂Ɏg
  u`lv PnP 蓖Ă̂łCuv̂
   PnP Ƃ͖֌WłDVA|[g̑x(ё̃p[^̑
  )̐ݒ́C[Us(NɎIɎs邱Ƃ悭
  ܂)vOfoCXhCoփbZ[W𑗂邱Ƃɂčs
  ܂D̐ݒ͂ PnP Ƃ͊֌W܂D̂悤ɁCPnP ̘b
  ɂẮuݒv͓̎ނ̐ݒɉ߂܂D̕ (MS Windows
  ̕Ȃ)ł̓oX\[Xu\[XvƓǂł邱Ƃ
  C̕ł͑ɂ񂠂郊\[XƋʂ邽߂ɁCuoX
  \[XvƂpgƂɂ܂D

  2.2.  Rs[^ɂfoCX̌(܂͂̋t)

  Rs[^͌vZs CPU ƃf[^i[郁ō\Ă
  DɉāCefBXNhCurfIJ[hCL[{[hClb
  g[NJ[hCfJ[hCTEhJ[hCVA|[gCp
  |[g܂D܂Cd͂djbgCfoCX CPU
  ɐڑ}U[{[h̃oXCĂSĂi[P[X
  ܂D

  ̂͂قƂǑSẴfoCXɂ͐p̃vOCJ[h(vgH)
  ܂Dŋ߂̑́ufoCXv́CރJ[hƂĂł
  Cu}U[{[hvɎtꂽ`bv̏W܂ƂĂ񋟂
  Ă܂D}U[{[hɍރJ[hɂ 1  ȏ̃foCX
  Ă邱Ƃ܂D`bvfoCXƂčl邱Ƃ܂
  C{ HOWTO ɂӖł̃vO&vCł͂܂D

  Rs[^VXe𐳂삳邽߂ɂ́Cꂼ̃foCX
  ufoCXhCov̐䉺ɂȂ΂Ȃ܂DfoCXhCo̓I
  y[eBOVXëꕔł(W[Ƃă[h邱Ƃ
  ܂)CCPU œ삷\tgEFAłDfoCXhCo /dev
  fBNgɂut@CvɊ֘AtĂ܂D̃t@C
  ͎ۂ̃t@Cł͂܂D̃t@C̖O hda1(n[hfBX
  N a ̍ŏ̃p[eBV)CttyS0(ŏ̃VA|[g)Ceth1 (2Ԗ
  ̃C[TlbgJ[h)̂悤ɂȂĂ܂DݓbɂȂ̂ł
  CIfoCXhCo(Ⴆ eth1 Ƃ܂)͎gĂC[T
  lbgJ[h̎ނɂČ܂܂D܂CSẴC[TlbghC
  o eth1 蓖Ă̂ł͂܂DtC[TlbgJ[
  h̋@ɑΉC̃hCo蓖ĂȂ΂Ȃ܂
  DfoCX𐧌䂷邽߂ɁC(foCXhCo𐧌䂵Ă)CPU ͊e
  foCXɃR}h (уf[^)𑗂Cǂݏo肵
  D̂悤ȒʐMs߁CefoCXhCo͐䂷foCX̗B
  ̃AhXlmĂȂ΂Ȃ܂D̂悤ȃAhXlm
  ƂuʐM`lݒ肷vƂȂ̂łD́u`lv
  ۂɂ PC ̃f[^oXłĈقƂǑSĂ̂̂ɋLĂ
  ꍇłłDۂ̒ʐM`l͂ł̐菭G
  DuAhXlv͎ۂɂ͕AhXłC`l
  (荞݂ƂĒmĂ)t̕CfoCX͂g
  ċً}́uwvvvfoCXhCoɑ邱Ƃł܂D

  2.3.  I/O AhX

  PC ɂ 3 ̃AhX(I/O, CC(PCI oXɌ)ݒ) 
  ܂D 3 ނ̃AhX́CPC ł͓oXLĂ
  DCAhXǂ̋(I/O, CCݒ)̂̂
  ́C PC ̃oXɂp̔z̓dgē`܂Dڂ
  ``AhX'' ̐߂QƂĂDX̓foCX I/O AhX
  ԂɔzuĂ܂C݂̓C̋ԂgƂ
  DI/O AhX͒P "I/O", "IO", "i/o", "io" ƌĂ΂邱Ƃ
  D܂uI/O |[gvƂtg܂DI/O AhX (܂͊
  ݓ̑̃oX\[X)͈ȉ 2 ̎ȃXebvɂ芄蓖Ă
  ܂:

  1. I/O AhXJ[h(̃WX^ 1 )ɐݒ肷

  2.  I/O AhXfoCXhCoɋ

  qׂ 2 Xebv̏́CŒN̉Ƃ̔Ԓn 2 
  ɕ̂ƎĂ܂DȂ͔ԒnȂ(ď
  Ȃ)Ȃ܂񂵁C̉Ƃ̎́CĂ炦悤ɉƂ̑O
  ɔԒn\ĂȂ΂Ȃ܂DRs[^̏ꍇɂ́CfoCX
  hCo̓AhX擾Ȃ΂Ȃ炸CfoCX̃n[hEFA͓
  AhX̃WX^ɐݒ肵ĂȂ΂Ȃ܂D̍Ƃ͗
  ƂsȂ΂ȂȂ̂łCЕݒ肵Ȃ悤ȃ~X[U
  邱Ƃ܂D̂悤ȏꍇɂ́CRs[^̓foCXo
  łɍĂ܂ƂɂȂ܂DႦ΁CVA|[gɃAhX
  蓖ĂړI "setserial" gĂC"setserial" ̓hCoɂ
  AhX܂Dsetserial ̓VA|[ĝ̃AhX͐ݒ肵
  ܂DۂɃVA|[g̃AhXĂ(邢͑S
  肳ĂȂ)CAhXhCoɐݒ肵Ă邱Ƃɂ
  C肪N܂D

  ̑ɂ炩ɕKvȂƂƂāCAhXfoCXhCog
  悤ɂȂOɂ́C̃AhXJ[hɐݒ肳ĂȂ΂Ȃ
  Ƃ܂DfoCXhCo̓Rs[^Nɓ
  n߂邱Ƃ̂ŁCPnP ݒvOJ[h̃AhXݒs
  OɃfoCXhCo(J[h邩ǂ𒲂ׂ铙̂߂)J[h
  ɃANZX悤Ƃ邱ƂX܂D̂悤ȏꍇɂ́CƂJ
  [hĂ(C܂AhXĂȂ)CJ[h
  ƂG[bZ[W\܂D

   2 ̒ił I/O AhXɊւ́C̃\[X( ``IRQ
  --Tv'', ``DMA `l'', ``̈'' )ɂĂ悤ɓ
  ͂܂܂DɂĂ͈ȉ 3 ̏͂Ő܂D

  2.4.  IRQ --Tv

  ̐ǂ񂾌ɂƏڂƂm肽Ȃꍇɂ ``荞
   --ڍ''ǂłDł̐͂ȒPɍs܂: Ah
  X̑ɂCȂ΂ȂȂ荞ݔԍ(IRQ 5 )Ƃ̂
  ܂D IRQ(Interrupt ReQuest, 荞ݗv)ԍƌĂ΂܂Df
  oCXhCoʐMs߂ɂ̓J[h̃AhXmĂKv
  邱Ƃ͊ɏqׂ܂DCt̒ʐMɂĂ͂ǂł傤?
  ܂CfoCXfoCXhCoɋ}œ`ȂĂ͂ȂȂƂ
  Ƃ? Ⴆ΃foCX́CCɑȂ΂ȂȂʂ̃o
  Cg󂯎悤ȂƂ邩܂D̂悤ȏꍇɂ́Cf
  oCX͂hCoĂяoăf[^xɎ󂯎Cobt@
  tɋl܂f[^}ŃCɈڂĂ炤Kv܂D

  foCX͂ǂ̂悤ɂď߂Ȃ΂ȂȂ̂ł傤? C
  f[^oX͊ɎgĂł傤CgƂ͂ł܂D
  ̑ɁCfoCX͐p̊荞ݐ(oẌꕔł)ɓdݒ肵
  ܂D̐͑̏ꍇC̃foCX̂߂ɗ\񂳂Ă܂D
  ̐M͊荞݂ƌĂ΂܂D荞ݐɂ͓Ȑ 16 C
  ͂ꂼ(ԐړI)̃foCXhCoɌqĂ܂Dꂼ
  ̐ɂ͌ŗL IRQ (Interrupt ReQuest)ԍĂ܂DfoCX͊
  荞݂𐳂ɑȂ΂Ȃ炸CfoCXhCo͐Ŋ
  ݂҂Ȃ΂Ȃ܂Dǂ̐Ɋ荞݂N邩̓foCXɊi
  [Ă IRQ ԍɂČ܂܂DĎ IRQ foCXhC
  oɂ킩悤ɁCfoCXhCoɂ͂Ɠ IRQ ԍݒ肵Ȃ
  ΂Ȃ܂D

  foCXhCo荞(̋)󂯎ƁCfoCXhCo
  荞݂sꂽR𒲂ׁC荞݂K؂ȓsȂ
  ΂Ȃ܂DISA oX̏ꍇɂ́CꂼɃfoCXɌŗL IRQ 
  KvłDPCI oXC(ISA ł)ʂȏꍇɂ IRQ L邱
  ł܂D

  2.5.  DMA `l

  DMA `lĝ ISA oXłDDMA ́uDirect Memory
  Access(ڃANZX)vƂӖłD̓foCX CPU 
  Rs[^̃CoXpCoCgC֒ړ]
  邱ƂĂꏊłDʏ CPU ͂̂悤ȓ] 2 X
  ebv̏ōs܂:

  1. foCX I/O Ԃǂݍ񂾃oCg CPU ̂̂ɑ
     D

  2. ̃oCg CPU 烁CɑD

     DMA gƂ̏́CfoCX烁֒ڃoCg𑗂Ƃ
      1 ̃XebvɂȂ܂DCfoCX̃n[hEFAɂ̋@
     \gݍ܂ĂȂ΂ȂȂ߁CKSẴfoCX
     DMA gpł킯ł͂܂D܂CoX DMA ]Ɏg
     Ă܂߁C DMA 삵Ă鎞ɂ CPU ̓삪
     D

   PCI oXɂ DMA Ȃ̂łC̑ DMA Ɨ
  @\܂D̓oX}X^OłDoX}X^O̓
  DMA ƎĂCDMA ƌĂ΂邱Ƃ܂(Ⴆ΁C"UltraDMA" ƌĂ
  n[hfBXNhCu)D̋@\gƁCfoCX͈ꎞIɃoX
  ̏L(oX}X^)ɂȂCoX}X^ CPU ł邩̂悤ɃoCg
  ]邱Ƃł܂DoX}X^O̓`lԍSg
  DȂȂ PCI oX̎dg݂ł́CPCI ̃n[hEFA݂͌̃oX}
  X^oX}X^ɂȂ낤ƂăNGXgoĂfoCXm邱
  ł邩łDāCPCI oXɑ΂ DMA `l̊蓖
  Ă͂܂D

  ISA oX̃foCX DMA sƂہC̃foCX͊荞ݗv
  ɂ悭 DMA vp̗vgĔs܂Dۂɂ DMA 
  荞݂gď邱Ƃł͂Ȃ̂łCƒxN
  邽߁CDMA vƌĂ΂ʂȃ^Cv̊荞݂ĝ
  D荞݂ƓlɁCDMA vɂ͔ԍtĂCvsf
  oCXʂ邱Ƃł܂D̔ԍ DMA `lƌĂ΂
  DDMA `l̓CoXSĎg(܂ 1 ł
  )̂ŁCۂɂ͂炷ׂĂ`lĝłCuDMA
  `lvԍgƁu`lvgĂfoCXʂ邱
  Ƃł܂Deu`lv݂̌̏Ԃi[Ăn[hEFA
  WX^}U[{[hɂ܂D̂悤ɁCDMA vs߂ɂ́C
  foCX͕foCX̃WX^Ɋi[Ă DMA `lԍ
  mĂȂ΂Ȃ܂D

  2.6.  ̈

  ꕔ̃foCXɂ̓C̃AhXԂ蓖ĂĂ܂D
  ͑̏ꍇuL(shared memory)v܂́u}bvg
  I/O(memory mapped I/O)vłDfoCX ROM ł邱Ƃ܂D
  oX\[X̋c_鎞ɂ́C͒PɁuvƌĂ΂܂D
  悤ȃfoCX I/O AhXԂgp܂D

  ̂悤ȃJ[h}́Cۂɂ(I/O łȂ)C
  ΂郁W[}Ă邱ƂɂȂ܂D ROM(Read Only
  Memory)ƋL̂ǂł\܂D̃̓foCXƃC
  Ԃ̒ڃf[^u]v̎iƂĎg܂DC͎
  ۂɂ͓]ł͂܂DƂ̂CfoCX͎g̃Ƀf[
  ^݁CꂪCɂ܂ꂽƂɂȂĂ邾
  łDJ[hƃfoCXhCôC̗̈悪ǂł邩
  ӎKv͂܂DAhX͑ɍʒuɎ
  ߁CႢʒuɂRs[^̃`bṽAhXƏdȂĂ
  Ƃ͂܂D

  ROM ͈̈قȂ܂D̓vO(foCXhCo)ł邱
  ƂCfoCXƈꏏɎg܂D Windows ゾłȂ
  Linux ł삵܂(??)D̓VhEKv邩܂
  DVhEƌ̂́Cȓs킹邽߂ ROM ̓eC
  ɃRs[邱ƂłDUVhEsƁC̗̈͂͂
  uǂݎpvł͂ȂȂ܂D

  2.7.  foCXƃhCo̗ɂƂẮu\[Xv

  ̂悤ɁCfoCXhCo͎䂷n[hEFAɑ΂ĉ炩
  ̕@Łu蓖āvȂ΂Ȃ܂D̓oX\[X (I/O,
  CIRQ, DMA)𕨗foCXƃfoCXhCõ\tgEFA̗
  ɗ^邱Ƃɂčs܂DႦ΁CVA|[g(4 ̂)2 
  ̃\[XCȂ킿 IRQ  I/O AhXg܂D̒l͗
  foCXhCoƕfoCXɗ^Ȃ΂Ȃ܂DhCo(
  ̃foCX) /dev fBNgɂO^܂(ttyS1 )D
  AhX IRQ ԍ ͕foCX̃J[h̃WX^(܂̓}U[{
  [h̃`bv)Ɋi[܂DWp̏ꍇɂ́C͕̏Kf
  oCX̃n[hEFA(J[h)Ɋi[܂D PnP ̏ꍇɂ͒
  CPC ̓d؂ƃWX^̃f[^͖Ȃ̂ŁC\[Xf[^
  PC ̓d邽тɖCefoCXɑ΂ĐV^Ȃ΂Ȃ
  ܂D

  2.8.  

  PC ̃A[LeN`ł IRQ, DMA `lCI/O AhXC̈
  ̐ɐ܂DɃfoCX̐ȂCSĂW
  oX\[X(ŗL I/O AhX IRQ ԍ)ĂȂ΁Cfo
  CXhCofoCXɊ蓖Ăۂ̖͋NȂł傤DR
  s[^̊efoCX͑̃foCXƏՓ˂Ȃ悤ȌŒ̃\[X
  Ă邩łDႤfoCX I/O AhX IRQ ƂȂ
  ł傤DłCefoCXhCõvO I/O AhX
  IRQ n[hR[fBOΗǂ̂łDƂĂbȒPɂȂ܂
  ˁD

  C͂ł͂܂Dŋ߂ł͈قȂfoCX񂠂
  ̂ŏՓ˂͗ǂN܂C^CṽfoCX𕡐gȂ΂Ȃ
  ꍇ܂DႦ΁C̈قȂfBXNhCu╡̃VA
  |[ggꍇȂǂłD̂悤ȗR̂߁CfoCXɂ͏Փ˂
  ł悤ɁC IRQ AhXݒł悤ȎRxKvƂȂ
  ܂DCNbNL[{[ĥ悤Ȉꕔ IRQ AhX͕W
  lg܂D̂悤ȃfoCXɂ͂Rx͕Kv܂
  D

  oX\[X蓖Ă̏Փ˂̖Ƃ͕ʂɁCfoCXhCõoX\[
  XݒĂ܂肪܂DႦ΁C{̓foCX IRQ 5 
  ݒ肳Ă̂ɐݒt@Cɂ IRQ 4 ƏĂ悤ȏꍇłD
  ͕ʂ̎ނ̃oX\[X蓖ăG[łD

  oX\[X̊蓖Ă𐳂s΁CfoCXƂɑΉfo
  CXhCo̊ԂɒʐM`lm܂DႦ΁C͈͂ I/O
  AhX(\[X)foCXhCoƃn[hEFAɊ蓖Ăꂽ
  C҂̊ԂɈʍs̒ʐM`lmƂɂȂ܂DhC
  o̓R}hƏfoCXɑ邱Ƃł܂DhCo̓WX^
  ǂނƂɂăfoCX擾邱Ƃł̂ŁCۂɂ͒P
  ȂʍsƂ킯ł͂܂DC̕@ł̓foCX
  ʐMn߂邱Ƃ͂ł܂DoʐM`l邽߂ɂ́Cf
  oCX IRQ KvƂ܂DoʐM`lƂ́CfoCXhC
  ofoCXʐMn߂邱ƂłʐM̂ƂłD

  2.9.  VA|[gɑ}foCX PnP ɂ錟o

  VA|[gɃP[uŐڑOfoCX(OtfȂ)v
  O&vCƌĂ΂܂DoX\[X(IRQ  I/O |[g)KvƂ̂
  VA|[ggȂ̂ŁĈ悤ȐڑfoCX̂ɃoX\[X
  ͊蓖Ă܂DłCۂ͂̃foCXɂ PnP ͕Kv
  ł͂܂DłĂĈ悤ȊOVAfoCXɑ΂
   PnP ̎dl߂Ă܂D

  PnP OS ͂̂悤ȊOfoCXoC̃foCX̃fԍ
  ǂݍ݂܂DɂC̃foCXp̃foCXhCo邱
  Ƃł̂ŁC̃foCX(Ⴆ /dev/ttyS1)gĂ邱ƂA
  vP[VvOɑ΂ĎwKvȂ܂DfoCX
  ڑĂVA|[g(ݒt@Cg)蓮Ŏw肷邱
  Ƃł͂(foCX̃fԍw肷邱Ƃ邩܂)
  Ȃ̂ŁCǂĂ PnP ́uVA|[gv@\KvƂƂ͂
  ł傤D

  3.  vO&vC(PnP)̉@

  3.1.  ͂߂

  vO&vCƂtɂ͐FXȈӖ܂DLӖł́CfoC
  Xq΂̐ݒ肪sPȂ鎩ݒw܂D{ HOWTO ɂ
  Ӗł͐ݒƂ̂ PnP oX\[X̐ݒƁCfoCXhCo
  ̐ݒem点邱Ƃw܂DƋӖł́Cn[h
  EFAfoCX̃oX\[Xݒ肷邱Ƃw܂D PnP
  ̎dlwƂ܂D̎dl(̂ƂĂ܂)
  ISA oX̃foCX(̏ꍇ̓J[hł)ɑ΂ PnP \[Xf[
  ^ǂݏ@̎dl߂Ă܂DW PCI(PnP ł͂܂
  )̎dĺCƂPCI oXłł悤ɍĂ܂D

  PnP ̓foCXƃfoCXhCo̐ݒvC҂̒ʐM`l
  w肵܂DvO&vCgO ISA oX̏ꍇɂ́CWp
  găn[hEFAfoCX̃oX\[Xݒ肵Ă܂D\tg
  EFAhCoւ̃oX\[X̊蓖ẮCݒt@C()܂̓fo
  CX݂ƎvAhX𒲂ׂ邱ƂɂčsĂ܂
  DPCI oX͍ꂽ PnP ̂悤ɂȂĂ̂ŁCPCI oXp
  PnP ͔̂ɊȒPłDPCI oX̎dlł PnP Ƃp
  gĂȂ̂ŁC PCI oX PnP ƌĂł悢̂ǂ͂͂
  Ă܂(łC PCI oX́C PnP ƌĂ΂Ă̂n[h
  EFAIɃT|[gĂ܂)D

  3.2.  PnP ̓ (ȒPȐ)

  PnP ̓̊TvȒPɐ܂DPnP ݒvO( BIOS
  ɂvOł)͑SĂ PnP foCXoCefoCXKv
  ƂoX\[X₢킹܂DɁC̐ݒvO͓nȂ
  ΂ȂȂoX\[X(IRQ )`FbN܂DRȂ PnP (
  KV[)foCXgĂ\ς݃oX\[X(ݒvO
  mĂ)Ĉ悤ȗ\ς݃\[X PnP foCXɓn܂
  DɁCݒvO(PnP ̎dlł͌߂ĂȂ)炩̊
  pāCՓ˂NCSẴfoCXɕKvȃoX\[X(\
  Ȃ)蓖Ă܂DꂩCݒvO͊蓖ĂoX\[X
  efoCXɐݒ肵CfoCX͊蓖ĂꂽoX\[Xg
  Ɏg̐ݒs܂DăfoCXhCo͐䂷foCX
  goX\[X炩̕@ŌoCɂfoCXƌI
  ʐMs悤ɂȂ܂D

  Ⴆ΁C荞(IRQ ԍ) 1 ƋL 1MB KvƂJ[h
  ̂Ƃ܂DPnP vO͂̃NGXgJ[h󂯎
  D PnP vO IRQ5 ƁCAhX 0xe9000000 n܂ 1MB ̃A
  hXԂ蓖Ă܂D̂悤ɊȒPɐݒłƂ͌܂
  DƂ̂C(ISA ̏ꍇ) IRQ ԍgȂƂC1MB
  ̃̈悪͈̔͂̃AhXɓĂȂ΂ȂȂƂJ[
  hw肵Ăꍇ邩łDׂ PCI oX ISA oX
  قȂ܂CISA oX̕肪ݓĂ܂D

  PnP ݒvOgȈՓIȐݒ@܂D 1
  ͑O̐ݒ莞(Rs[^Og)̃oX\[X̊蓖Ă
  ۑĂCėp邱ƂłDWindows9x  PnP BIOS ̑gݍ
  킹͂̓s܂CW Linux ł͂s܂
  DWindows9x ͂̏n[hfBXŃuWXgvɕۑ
  CPnP BIOS ͂̏ PC ̕s( ESCD ƂĒm
  ܂D ``BIOS  ESCD f[^x[X'' QƂĂ) ɕۑ
  D

  Linux ɂẮC̏͂ꂼ̃foCX͂ōsC\[X
  蓖ĂWǗs̃WXg͂܂DfoCXhC
  oɂẮCŌɗpݒi[ĂCɓdꂽɂ
  ݒĝ܂D̂悤ȃfoCX́Cc̃n[hEFAo
  X\[XKvƂȂƂÖٓIɉ肵Ă܂D

  foCX̃n[hEFAO̐ݒLĂ΁C̋Nɂ͂قƂ
  ǉݒ肵ȂĂ悢̂łCfoCX͓d؂ƐݒY
  łDftHg̐ݒĂfoCX܂(łC
  KOgݒƂ͌܂)DāCPnP ݒvO
   PC N邽тɖsKv܂D܂CVfoCX
  ǉCfoCX̐ݒsKv܂D̐VfoCX
  oX\[X蓖Ăۂɂ́CɂfoCXꕔ̃oX\[X
  グCɎgƂłʂ̃oX\[X̃foCXɊ
  蓖Ă邱ƂɂȂ邩܂D

  3.3.  PC ̋N

  Rs[^̓dŏɓꂽƂCBIOS `bv̓Rs[^N
  邽߂ BIOS ̃vOs܂(ŏ̃Xebv̓n[hEF
  Ã`FbNł)DIy[eBOVXen[hfBXNɊi[
  Ăꍇ(ʂ͂ł)CBIOS ̓n[hfBXN̏擾Ȃ
  ΂Ȃ܂Dn[hfBXN PnP ł΁CBIOS ͂邽
   PnP gƂł܂D܂CRs[^̋NɃ[U BIOS
   CMOS 蓮Őݒł悤ɂCG[bZ[Wo悤
  邽߂ɂ́CXN[(rfIJ[h)ƃL[{[hKvƂȂ܂D
  ̃foCX BIOS  PnP ݒsȂ΂Ȃ܂D

  x BIOS n[hfBXNCrfIJ[hCL[{[hFCBIOS
  ɂu[g(n[hfBXN烁ɃIy[eBOVXe[
  h邱)Jn̏͊łDPnP Ή̃Iy[eBOVXe
  (PnP OS) gĂ邱Ƃ BIOS Ŏw肵Ăꍇɂ́CBIOS ͑O
  qׂ悤 PC ̃u[gJnCIy[eBOVXe PnP ݒ
  s킹Ȃ΂Ȃ܂DłȂꍇ́C(u[g̑O)PnP BIOS
  gc̃foCX PnP ݒsƂ܂(ChCo̐ݒ
  ͍s܂)D

  3.4.  oX

  ISA ͌Â IBM-PC ̃oXŁCPCI ̓Ce񏥂VȃoX
  DPCI oX́C PnP ƌĂ΂Ă@\ł悤ɐ݌v
  Ă܂DPCI oXł́CPnP oX\[Xn[hEFAfoCXɂǂ̂
  Ɋ蓖Ăꂽ̂𒲂ׂ邱Ƃ(ISA oXƔׂ)ȒPłDǂ
  ݒɂȂĂ邩mɂ lspci R}hgpC /proc/pci 
  邢 /proc/bus/pci t@CƂ悢ł傤BNɃfBXv
  Cɕ\郁bZ[W(O̕\ɂ Shift-PageUp g܂)
  ɂ܂B``ÑbZ[W'' QƂĂB

  ISA oX̏ꍇɂ́CPnP ̎Ɋւ₪܂Ď ISA
  oX̐݌vɂ͒N PnP ̂Ƃz肵ĂȂƂCݒ
  𕨗foCXɑ邽߂ PnP g I/O AhXقƂǂȂ
  łDǁCISA oX PnP s@͂ƂĂʓ|ɂȂĂ܂܂
  DɊւĂ͖{ۈĂ܂D ``PnP Book'' 
  DɁCꂼ PnP foCX PnP vOp̈ꎞIȁunh
  (handle)v蓖ĂāCvO PnP ݒsƂɃfoCX
  ł悤ɂ邱ƂKvłD́unhv蓖Ă邱Ƃ
  uAC\[V (isolation)vƌ܂Dׂ_ɂĂ͕t^
  ``AC\[V''QƂĂD

  ISA oX͂͂ȂȂ͂łDȂ PnP ͂ƊȒPɂȂ
  ł傤DƂ̂CBIOS ǂ̂悤Ƀn[hEFAݒ肵̂e
  Ղɂ킩悤ɂȂ邩łDłCfoCXhCofoCXƂ
  ܂gݍ킹Kv͂ł傤CPC ̋NEsɂ͒ǉꂽ
  foCXݒ肷Kvł傤D̂悤ȕKv́CLinux  PnP
  Iy[eBOVXeȂ疞ĂƂł傤D

  3.5.  Linux  PnP ܂ĂƂ̕Kv

  PnP Ki(ISA oXp) Compaq, Intel, Phoenix ܂D Microsoft
  ͐擪ɗ PnP ̕yi߂܂DPnP uvĂȂ
  ΁CLinux͍KƂł傤D ISA oX͔pC PnP Ɏ
  @\ PCI oXyCeՂ PnP ۂɎg悤ɂ
  ł傤DłDނƍD܂ƂɌW炸Cŋ߂̐V ISA n[h
  EFA͂قƂǑSĂ PnP Ȃ̂ŁCLinux ɂ PnP Ƃ܂tĂ
  ȊO̓͂܂DCW Linux (1999 ̏߂̎_)
  ́CPnP ̈( ISA oX̏ꍇɂ)GɂȂĂ܂DPnP ̌
  X̖ړI͐ݒȒPɂ邱Ƃ͂Ȃ̂łcD

  Ӗł́CLinux  PCI oXɑ΂Ă͊ɂx PnP @\
  ĂƂ܂DPC NCXN[ɕ\郁bZ[W
  ꕔ̃foCXhCo䂷n[hEFAfoCX(
  BIOS Ɋ蓖ĂoX\[X)o邵Ƃɓǎ҂̊F
  CÂ܂DCPnP Iy[eBOVXeȂ
  Ƃ܂ł󋵂܂:

  o  oX\[Xs̏ꍇD

  o  1 ̕foCXɕ̃hCoꍇD

  o  ANeBuɂꂽfoCXfoCXȂꍇD

  o  foCX̊}(hbNƂ̐ڑȂ)̏ꍇD

  Linux [ÚCg ISA PnP foCX̐ݒs߂ PnP ̂
  ̂ɂďڂׂKv͂Ȃ͂łD@ 1 ́CW
  ꂽo[W Linux  ISA oX PCI oXC̑̃oXɂăv
  O&vCT|[g邱ƂłDJ[lւ̃pb`Ă܂
  CقƂǂ̃hCo͂̃pb`ɑΉĂ܂D̃pb`͕W
   Linux ̈ꕔł͂܂D ``J[lɃpb`𓖂Ă Linux 
  PnP Ήɂ'' QƂĂD

  4.  PnP BIOS ̐ݒ

  Rs[^̓dƁCIy[eBOVXe[hO
   BIOS s܂Dŋ߂ BIOS  PnP ΉłCꕔ邢͑S
  Ă PnP foCXݒ肵܂DقƂǂ PnP BIOS ł PnP 𖳌ɂ
  Ȃ̂ŁCPnP Ƃ܂Ă܂DBIOS  CMOS 
  j[ɂ邩ȂIȉɂ܂:

  o  ``Do you have a PnP operating system?(PnP Iy[eBOVXe
     Ă邩?''

  o  ``How are resources to be controlled?(ǂ̂悤ɃoX\[X𐧌
     邩?)''
  o  ``(Reset the configuration?)ݒZbg邩?''

  4.1.  PnP Iy[eBOVXeĂ邩?

  Ɂuyesvݒ肵ĂꍇCPnP BIOS ̓n[hfBXNErfIJ[
  hEL[{[h PnP ݒsāCVXeNł悤ɂ܂D
  CPnP BIOS ͐ݒƂ̎dグIy[eBOVXeɔC
  D BIOS  ISA oX ``AC\[V'' sCfoCX͖
  ł邯ǃIy[eBOVXeŐݒłԂɂ܂DLinux 
  ꍇɂ͂炭CPnP Iy[eBOVXeĂȂBIOS 
  ݒ肵Ȃ΂Ȃ܂D̂悤ɓȂƁCBIOS ͐ݒ肵ĂȂ
  ISA foCX𖳌ȏԂ̂܂܂ɂ邩܂(??)D PCI foCX
  ݒ肳Ȃ܂(??)D

  PnP OS ĂȂ BIOS ɐݒ肵ꍇCBIOS ͎gŃfoCX
  ̐ݒs܂DV PnP foCXǉȂCBIOS ͕s
  (ESCD)ɕۑĂݒg͂łD ``BIOS  ESCD f[^
  x[X'' QƂĂDRs[^̑ÕZbV Linux 
  gĂΐݒ͕ςȂ͂łD``BIOS ł PnP ݒ'' QƂ
  ĂDCÕZbV (PnP OSł) Windows9x g
  ꍇCWindows  ESCD ύXĂ邩܂Dꂪs
  ͑CuݒvCKV[foCXCXg[
  łD ``Windows p ESCD ̐ݒ肪Nꍇ'' QƂ
  Dǎ҂̊F isapnp  PCI Utilities ̃vOg
  ĐݒsꍇC̃vO BIOS ̎sɎsC[
  Uwʂ PnP ̐ݒύX܂D

  4.1.1.  Windows9x Ƒgݍ킹Ă̗p

  Linux  Windows 𓯂 PC ŎgĂꍇɂ́CBIOS ́uPnP OS 
  gĂ邩?(Do you have a PnP OS?)vƂ₢ɂǂΗǂ̂
  傤? ʏ(Đ)́CW Linux ɂẮunovƓ
  CWindows9x ɂẮuyesvƓׂł傤DC OS 
  ւ悤Ƃx BIOS  CMOS j[蓮Őݒ肵Ȃ΂ȂȂ
  Ƃ͔̂ɖʓ|łD@ 1 ́CWindows gp
  ܂߂āuPnP OS ĂȂv CMOS ɐݒ肷邱ƂłD Windows
  ͂̏(BIOS ^ꂽn[hEFASɐݒ肵Ă) ɑΉ
  邱Ƃ҂ł܂DɁCn[hEFAɐݒ肳Ă邱
  Windows  FłȂĂCWindows x̐ݒsĂ
  삷邱Ƃ҂ł܂DCȂɂ܂͍sȂ悤
  D Windows ͒PɁCWXgɊi[ĂhCoɓ`邾
  ̂悤łD(BIOS s)ۂ̃n[hEFAݒ́CESCD Ɋi
  [ĂݒłCWXgƂ͈قȂ邩ꂸCN
  ܂D

  CMOS ̐ݒƃWXg̐ݒ킹@ 1 ́CBIOS ̐ݒ肪
  uPnP OS ĂȂ(not a PnP OS)vłԂ Windows CXg
  [(܂͍ăCXg[)邱ƂłDsƁC Windows ɂ
  BIOS ݒ肵VXe͂łD̐ݒɂă\[X
  ̏Փ˂Ȃ΁CWindows ͂Ԃݒ炸CWXgɕ
  ł傤D ESCD ƃWXg܂DŐ
  삵(Ă HOWTO ŐVłł)CM҂ɂm点D
  Ƃ̂CM҂͐삵Ƃ񍐂 1 󂯂ĂȂ
  łD

  ʂ̕@́CWindows ŖNfoCXfoCX}l[WŁu
  v邱ƂłDꂩuPnP OS ĂȂ(Not a PnP OS)v̏
  ԂPC ċN܂(ݒ͋N CMOS ōs܂)DƁCWindows
  ŃfoCXhCoăCXg[܂C܂ BIOS ݒ
  oX\[X̍ۂɎg܂DWindows ͑ Windows ̃CXg
  [p CD 邱Ƃ߂̂ŒӂĂDƂ̂C
  Windows ̓hCot@C(̗)cĂĂCȂ
  邩łDeXgƂāCM҂ Novell ݊̃hCoĂ
   NIC J[hu폜v܂DċN̎CWindows  Novell łȂ
  Microsoft ̃lbg[NhCogčăCXg[s܂D
  ͂܂CNovell NCAgăCXg[KvƂ
  ƂłD̕@Ŗ肪NM҂ɂm点 ( HOWTO
  ŐVł̏ꍇɌ܂)D

  4.2.  ǂ̂悤ɃoX\[X𐧌䂷邩?

  ̍ڂ IRQ oX\[X DMA oX\[X̊蓖ĕ@
  ܂D̍ڂɁuauto()vݒ肷ƁCBIOS 蓖Ăs
  Du}jA(蓮)vݒ肷ƁC[U̓͂ɂāuKV
  [(legacy)v( PnP) J[ĥ߂ IRQ \񂷂邱Ƃł
  DwsȂ΁CJ[hKV[J[hł邩ǂ BIOS 
  Fł邱ƂFłȂƂ܂DBIOS KV[J[h̏
  m邱Ƃł̂́C[U Windows  ICU(܂͓l̂
  )s BIOS ɂ̏^ĂꍇłDBIOS 
  mĂ "auto" ĂDmȂ΁CKV[ ISA J[
  hp IRQ ͎蓮ŗ\񂵁Cc IRQ  BIOS  PnP  蓖Ă悤
  ɂ܂D

  4.3.  ݒZbg邩?

  ̍ڂPnP foCX̐ݒɊւ BIOS  ESCD f[^x[X
  ܂DɁCKV[( ISA)̃foCX̐ݒɊւ郊Xg
  Df[^x[XԈĂāC蒼KvƊmMĂꍇ
  Ȃ΁CsĂ͂܂Dŝ́C[URs[
  ^NłȂꍇɌCƉɏĂƎv܂DBIOS 
  KV[foCX̃f[^ꍇɂ́C[U Windows  ICA 
  sẴf[^蒼Kvł傤D

  5.  PnP J[ḧ

  5.1.  PnP J[hɂ

  ݂͐V{[h(J[h)̂قƂǑSĂvO&vC (PnP)
  DLinux ɂ PnP \tgEFA͂̂łC͕Kg
  ₷Ƃ͌܂DPnP Ƃ܂邽߂̕@ȉ 6 
  ܂(󋵂ɂĂ͎gȂ̂܂)D̒̂ǂgׂ
  ͖ړIɂĈقȂ܂D̏ꂵ̂̕@́CȒPłȂȂ
  ɁCgƂ܂DȒPƎv@́Cł͉
   PnP-BIOS ɐݒs킹邱ƂłCsȂ BIOS s
  ݒ𒲂ׂ邱ƂłȂ܂D̕@r
  ́CNSĂĂ𕶏͂ɂKv܂DƂsɂ
  ĕ̕@gKv邩܂D

  o  ``PnP 𖳌ɂ܂''Dɂ̓Wp܂ DOS/Windows p̃\t
     gEFAg܂(ꂪłȂJ[h܂)D

  o  ``BIOS  PnP ݒ肵܂''(PCI oX̏ꍇɕKvȂ̂ PCI BIOS 
     łDȊȌꍇɂ PnP BIOS KvƂȂ܂)D

  o  ``isapnp''  ISA oXpł͂܂CK PnP foCXݒ
     vOłD

  o  ``PCI Utilities''  PCI oXݒ肷邽߂̃[eBeBłD

  o  ``Windows gݒ''sC Windows/DOS  Linux N
     ܂DŌ̎iƂĎgĂD

  o  ``J[lɃpb`𓖂''CLinux  PnP Iy[eBOVXe
     ς܂D

  o  ``foCXhCoݒ肵܂''DCsƂ͂قƂ
     ܂D

  ȏ̕@̂gĂCn[hEFÃoX\[Xݒ肳
  ł傤DCsݒfoCXhCoɓ`͍̂Ō 2 
  łDmɓ`͍̂Ō 1 ł(Ƃ̂Cꎩgh
  Coł)DhCoɏ񂪂ǂ̂悤ɂē`邩̓hC
  oɈˑC`邽߂ɂ̓[UsȂ΂ȂȂ
  ܂Dڂ́C``hCoɐݒ'' ̏͂D

  5.2.  PnP 𖳌ɂ

  ̃foCX PnP płCPnP 𖳌ɂ邱Ƃ͂ł܂D
  ꕔ̃foCXł́CWp(Wp̍\̏ꍇɂ)foC
  Xt Windows pvOgĂ𖳌ɂ邱Ƃł܂D
  ɂCPnP ݒ̖ʓ|ȍƂł邱Ƃ悭܂D̂
  ȃoX\[X\񂳂Ă邱ƂCYꂸ BIOS ɐݒ肵܂
  D PnP 𖳌ɂȂ悢R͑ɂ܂:

  1. }V MS Windows ꍇCPnP g悤ɂ Windows
     ̐ݒ Linux Ƃ͈قȂݒɂƂ邩܂D

  2. PnP gȂƁCIRQ ԍ(|[gAhX)̑I͈͂傫
     Ă܂Ƃ܂D

  3. 䂷foCXT߂ PnP ̎@p Linux ̃foCXh
     Co܂D

  4. Iɋ@\ς邱ƂKvɂȂꍇCfoCX PnP Ȃ
     ΕύXyɍs邩܂(Wpݒ肵CDOS/Windows
     p̃vOsKv܂)D

  5. ݒ肪Kv PnP foCX(܂͏ɓ)̂ŁCɂ
      PnP g悤ɂĂ(邢͂̕@mĂ)Kv
     邩܂D

     x PnP foCXƂĐݒ肷ƁC(߂ăWpŐݒύX
     邩C DOS/Windows ̐ݒvOsȂ)̃foCX
     PnP ݒvO BIOS ł͐ݒłȂȂ܂D

  5.3.  BIOS ł PnP ݒ

  5.3.1.  BIOS g PnP ̐ݒsɂ

  PnP BIOS gȂ΁C BIOS ̓n[hEFA̐ݒsƂ
  ܂D܂CBIOS SẴfoCXKvƂ郊\[XSēǂݍ
  ݁Cݒ肵܂(oX\[XfoCXɊ蓖Ă܂)D PnP
  OS ̑pƂȂ܂CBIOS ̓foCXݒ肵Ȃ_ƁCsݒh
  CoɋȂ_قȂ܂Dʏ͕s(ESCD)ɕۑ
  ĂݒgׂłDVfoCXoꍇC\[X
  ˂ꍇ́CBIOS ͕KvɉĐݒύXׂłCESCD ̐ݒ
  ̂܂܎gĂ͂܂D

  g BIOS ͂̂悤ȐݒT|[gĂ͂łCBIOS 
  ݒȂƂsSȐݒ邱Ƃ܂DBIOS g
  Ƃ̗_͒PȂƂłDƂ̂CقƂǂ̏ꍇݒ肷邱ƂȂ
  ł(BIOS  CMOS j[ŁuPnP OS łȂvƐݒ肷_
  )DfoCXhCoɂĂ BIOS sݒIɌoł
  ̂܂CꍇɂĂ BIOS sݒ[UׂKv
  ܂(KeՂł͂܂)Dڂ ``݂̐ݒ͂ǂ
  ȂĂ邩?'' QƂĂDɍl闘_ƂẮCBIOS
   Linux NOɓ삷̂ŁCォNfoCXhCo
  SẴoX\[Xg(Čoł)_܂D
  MS ɂƁCPnP BIOS foCX PnP ݒ(MS Windows ̕⏕)
  s@\̓IvVIȂ̂ɉ߂܂(K{ł͂܂)Dł
  C 1996 N(??)ɍꂽ BIOS ̂قƂǂ͂̋@\
  Ă܂Dꂪ삷Ȃ΁CX͔ނɂ̃𑗂
  Ȃ΂Ȃ܂D̂悤 BIOS  PCI oX ISA oXݒ肵܂
  Cꕔ̌Â BIOS  PCI ݒłȂƌĂ܂Dg
  BIOS ɂĂƒׂ WWW ĂDM҂Ɋւ
  f[^Ă킯ł͂Ȃ̂ŁCM҂ɖ₢킹̂͂߂Ă
  D BIOS ɂēǎ҂̊F񂪒m肽ƎvĂ悤ȏڂ
  肪(邢͓łȂ)܂Dꕔ BIOS ͍ŏ
  PnP @\Ă炸CݒƂ̓ Windows ̃[eB
  eBɔC悤Ƃ܂DɓĂ͂܂ꍇɂ́Cʂ̕
  @(isapnptools )C邢 BIOS  ESCD f[^x[X
  ΂gȂ΂ȂȂł傤Dڂ͎̏͂QƂĂ
  D

  5.3.2.  BIOS  ESCD f[^x[X

  BIOS  PnP ݒL^Ăs̃f[^x[XǗĂ
  D ESCD(Extended System Configuration Data)ƌĂ΂܂DJ
  ԂɂȂ܂CESCD ɊւK̓IvVIȂ̂łCقƂ
  ǂ PnP BIOS ɂ͂̋@\܂DESCD  PnP foCX̃\[X
  i[邾ł͂ȂC PnP foCX̐ݒi[Ă
  ( PnP foCXł邱ƂL^Ă܂)̂ŁCՓ˂邱
  ł܂DESCD f[^͕ʃ`bvɕۑ邽ߓd𗎂Ă
  ܂񂪁Cn[hfBXNɃf[^ێ^Cv̂̂܂(??)D

  ESCD ͑Ogݒێ邽߂̂̂łCLinux  isapnp 
  PCI Utilities ̂悤(ESCD XVȂ)vOgꍇɂ́C
  ESCD ͂̂悤ȃvOmȂ߁C̐ݒ ESCD ɕۑ
  ܂Do̗ǂ PnP OS  ESCD XV̂ŁC(W Linux
  ̂悤) PnP  OS ŐݒgƂł܂D Windows ͓ȏ
  s܂D ``Windows p ESCD ̐ݒ'' QƂĂ
  D

  ESCD ɐݒ肳Ăpɂ́CK BIOS  CMOS  "Not a PnP
  OS" 邢͓l̐ݒsĂDBIOS Nx(Linux OS
  [hO)CBIOS  ESCD gĐݒs͂łDBIOS 
  ESCD ɋL^ĂȂV PnP J[hoƁCBIOS ͂̃J[
  hɃoX\[X蓖ĂĂ ESCD XVȂ΂Ȃ܂D
   PnP J[hɊ蓖ĂĂoX\[XύXCɔ ESCD
  CȂ΂ȂȂƂ܂D

  ꂼ̃foCXO̐ݒn[hEFAɕۑĂȂ΁CPC
  NxɃn[hEFA̐ݒsKv͂܂Dۂ̓
  ͂ł͂܂DāCBIOS PnP ŎgĂꍇɂ͑S
  Ă ESCD f[^͏ɐԂɕۂȂ΂Ȃ܂DESCD 
  ĂȂ BIOS ܂Ĉ悤 BIOS s
  炩ĂC PnP J[hg߂ɗ\񂵂ĂoX\[X
  i[ł܂DBIOS ̑͂ǂĂ܂D

  5.3.3.  Windows p ESCD ̐ݒ

  BIOS sESCD ̐ݒ肪[Ů]ʂłȂ(܂́Cׂݒ肪
  sȂ)ꍇɂ́CLinux p̃[eBeBg ESCD ݒł
  Ηǂ̂ɂƎvƂł傤D1999 ߂̎_ł́Ĉ悤ȃc[
  ͑S܂DāCsŌ̎iƂ Windows g
  ƂɂȂł傤( PC  Windows Ăꍇɂ)D

  Windows  ESCD ݒ܂͏C@ 3 ܂Dŏ̕@
  ́CDOS ܂ Windows 3.x pɍꂽ ICU [eBeBgƂ
  D Windows 9x/2k ł͂ł(??)DԖڂ̕@́C
  Windows 9x/2k Ŏ蓮(uIȁv)ݒsCWindows ̐I
  ɂ̏ ESCD ɕۑ@łDOԖڂ̕@̓vO&vC
  ȂKV[foCXłg܂DWindows ̂悤ȃfoCX̑
  ݂ƎgpĂoX\[XmĂ΁CWindows ͂̏ ESCD
  Ɋi[͂łD

  Windows foCX̐ݒIɍsĂC[UuIɁvݒ
  ςĂȂ΁Ĉ悤Ȑݒ͂炭 ESCD ɂ͔fȂ
  傤DCWindows ͎g̐ݒ ESCD ɕۑĂݒ
  ɍ킹邱Ƃ̂ŁCʓIɂ͂܂܈v邱Ƃ܂D

  Windows9x  PnP Iy[eBOVXełCIɃfoCX
  PnP ݒs܂DWindows ̓WXg(̓oCił Windows
  t@CQɊi[Ă܂)̉ PnP f[^x[XǗĂ
  D PnP oX\[X̑ɂ̐ݒ񂪃WXgɓĂ
  ܂D PnP oX\[X́C݃ɋLĂ̂(Ԃق
  Ǔł)n[hfBXNɊi[Ă̂Ƃǂ
  DWindows98  PnP oX\[X(ɕێĂ?)ԐړIɌ
  CIȕύXsɂ́CfoCX}l[Wg܂D

  Windows98 ŃfoCX}l[WĂяo@ 2 ʂ肠܂:

  o  (1) }CRs[^ --> Rg[pl --> VXẽvp
     eB --> foCX}l[W

  o  (2) }CRs[^(ENbN) --> vpeB --> foCX}l[
     W

     ꂩfoCX}l[WŃfoCXI܂(NX̃fo
     CXꍇɂ͕Xebv̑ɂȂ邱Ƃ܂)D
     ɁuvpeBvCu\[XvɃNbN܂D\[Xݒ
     蓮ŕύXȂ΁Cuݒgpṽ`FbNO
     Cꂩuݒ̕ύXvNbN܂Dꂩݒ̕ύXs
     ܂CݒύXłȂƂ܂DύXł΁CύX
     uvłƂɂȂ܂Dݒ肪ꂽƂbZ[W
     \͂łD Windows ̐ݒĝ
     uIɁvςĂ܂ꍇɂ́CU̐ݒɂĂĂ
     猳̐ݒɖ߂Ȃ΂Ȃ܂D

  Programs --> Accessories --> System Tools --> System Information -->
  Hardware Resources --> Forced Hardware.  When you "force" a change of
  bus-resources in Windows, it should put your change into the ESCD
  (provided you exit Windows normally).  From the "System Information"
  window you may also inspect how IRQs and IO ports have been allocated
  under Windows.  --> Windows98 ɂĂǂȐݒ肪uvĂ邩
  ׂɂ͎̑s܂: X^[g --> vO --> ANZT
  --> VXec[ --> VXe --> n[hEFA\[X --> 
  ݒ肳ꂽn[hEFAD Windows ŃoX\[XuIvɕς
  ɂ́C̕ύX ESCD ɕۑȂ΂Ȃ܂(Windows 𐳏I
  ΂Ȃ܂)DuVXevEBhEƁCWindows 
   IRQ  I/O |[gǂ̂悤Ɋ蓖ĂĂ邩𒲂ׂ邱Ƃł
  ܂D

  Windows ŃoX\[X̏Փ˂NȂĂCLinux ŏՓ˂N邱
  ܂D̗ŔCWindows  ESCD ƈقȂ@ŃoX\[X
  蓖Ă邱Ƃ邩łDőɂȂP[XłCWindows ̑SĂ
  foCXKV[foCXł邩Cݒ肪uvĂꍇɂ́C
  Windows  ESCD ̐ݒ͑SɂȂ͂łD

  5.3.4.  VfoCX̒ǉ (Linux ܂ Windows ɂ)

  V PnP foCXǉC BIOS ̐ݒ肪uPnP OS łȂvł
  ꍇCPnP BIOS ͎IɃfoCX̐ݒsāC̐ݒ ESCD 
  i[Ȃ΂Ȃ܂D PnP ̃KV[foCX(܂̓Wp
  PnP 𖳌ɂfoCX)̏ꍇɂ́C邽߂̃IvV
  ܂D

  ̃oX\[X(IRQ )\񂳂ĂāCPnP Ŋ蓖ĂĂ͂ȂȂ
  Ƃ(CMOS ݒ胁j[g) BIOS Ɏw肷邱Ƃł
  DBIOS ̏ ESCD ɋL^邱Ƃ͂܂DCՓ˂
  NꍇɁC炩ߑIĂ CMOS ̐ݒ ESCD ̐ݒ㏑
  邩ǂ BIOS ̃j[őIł悤ɂȂĂ邩
  Dʂ̕@ƂẮCDOS ܂ Windows  ICU s@
  ܂Dɕʂ̕@ƂāCICU  Windows9x/2k Ɏ蓮ŃCXg[
  āC̐ݒuv(O߂Q)@܂Dݒ肪uv
  ƁCWindows  PC Vbg_E鎞 ESCD XV͂
  D

  5.4.  isapnp (isapnptools ̈ꕔ)

  cOȂCPnP ̊bmȂlɂ́C isapnp ɂĂ̂̕
  ̓e͕ɂł傤DŖ{ HOWTO ł́Cisapnp t FAQ
  Ɠl isapnp ̗邽߂̐s܂D isapnp g
   ISA oX  PnP foCXł(PCI oXł͎g܂)DLinux
  ̋N "isapnp" vOsƁC /etc/isapnp.conf t@C
  Ŏw肳ꂽ\[Xl PnP foCXɐݒ肳܂D̐ݒt@C
  ͎Iɍ邱Ƃł܂CeIvVݒ肷ɂ͎ŕҏW
  Ȃ΂Ȃ܂Disapnp gꍇCJ[l̈ꕔłfoCXh
  Co isapnp AhXn[hEFAɐݒ肷ƑOɎ
  s܂DʂƂāCfoCXhCo̓foCX邱Ƃł
  ܂DhCoAhXɃANZX悤ƂĂC̃AhX
  ܂n[hEFAɐݒ肳ĂȂłD

  g̃fBXgr[V isapnptools IɃCXg[
  Ăꍇɂ́Cisapnp ̓VXeNɊɎsĂ邩
  D̏ꍇɂׂȂ̂́C"man isapnp.conf" ̏o͂Ȃ
  /etc/isapnp.conf ҏW邱ƂłDC̍Ƃ͎蓮 PnP
  ݒ肷邱ƂƂ܂ςȂ_ɒӂĂDƂ̂C[
  U͂ǂ̂悤Ȑݒɂ邩߂Ăݒt@CҏWȂ΂Ȃ
  ȂłDݒt@CҏWɂ́C"pnpdump" vO֗
  D̃vO͐ݒt@CĂ܂C̐ݒ
  gOɂ͂܂ҏWĂȂ΂Ȃ܂D̃t@Cɂ͕ҏW
  QlɂȂRg܂܂Ă܂D"isapnp" ݒɗpC PnP
  BIOS ꍇɂ́CBIOS ɂ(ݒ莞)uPnP OS ĂȂvƎw
  肵Ȃ΂Ȃ܂DȂȂC̏ꍇɂ PCI foCX̐ݒ
  BIOS ɍs킹łDBIOS  ISA foCX̐ݒs
  񂪁Cisapnp ͂XɍĐݒ肵܂D

  ŏ̂ /etc/isapnp.conf ŎgĂpꂪςɎv邩
  ܂DႦ΁CI/O AhX 0x3e8 \̂ɁC"(IO 0 (BASE 0x3e8))"
  ƂȂĂ肵܂D"IO 0" Ƃ̂́CꂪfoCXgŏ (0
  Ԗڂ) I/O AhẌƂӖłD\ʂ̕@ƂĂ
  "IO[0] = 0x3e8" ܂Cisapnp ͂̕@͎g܂D "IO 1"
  ́Cꂪ̃foCXg 2 Ԗڂ I/O AhẌƂӖłD
  ȉlłD"INT 0" l̈ӖłCIRQ(荞)ɑ΂ėp
  ܂D1 ̃J[h̕foCXƂ܂CL̐
  ͂̃foCX̂ 1 ɂĂ͂܂܂D

  5.5.  PCI Utilities

  VpbP[Wł PCI Utilities (=pciutils,  "pcitools" 
  Ă΂邱Ƃ܂) PCI oX PnP ݒ蓮ōs悤ɂ
  D"lspci" ̓oX\[XXg\C"setpci" ̓n[hEFAfo
  CX̃\[X蓖Ăݒ肵܂Dsetpci ͎ɃXNvgŎg
  Ƃz肵Ă悤łD_ł𗘗pɂ PCI ݒ背WX
  ^ڍׂɗĂKv܂̓_ɊւẮC̃hL
  g setpci ̃}jAł͏ڂĂ܂D

  5.6.  J[lɃpb`𓖂Ă Linux  PnP Ήɂ

  David Howells  "Linux Kernel Configuration/Resource Manager" 
  Ă΂CLinux J[l PnP Ήɂ邽߂̃pb`쐬܂
  ("Hardware Configuration Manager" ƌĂ΂邱Ƃ܂)D1999 N
  ̎_ł́C̃pb`ނ̃y[W肷邱Ƃ͂ł܂D
  Cŋ߂̃o[W̃J[lɑ΂Ďgpb`͂ȂƂƂ
  D

  Õpb`ɂẮCpb`𓖂ĂēJ[l͈肵Ăƍ
  ҂咣Ă܂CoO񍐂Ă܂D̃pb`
  ́CVA|[g̈ serial.txt ̕tĂ
  D̃pb`𓖂Ă /proc fBNgɁut@Cv
  D̃t@CŌ݂̏󋵂ׂ܂C̃t@CɃR
  }h𑗂邱ƂɂĐݒς邱Ƃł܂D肪 1 
  ܂DfoCXhCȏ͂̃pb`z肵ĂȂ̂ŁCݒ
  s߂ɂ͍܂Œʂ̐ݒt@CgȂ΂ȂȂƂ
  ̂łD̃pb` WWW y[W <http://www.astarte.free-
  online.co.uk> łD

  5.7.  Windows ɂݒ

  Windows9x (܂ Windows 2k) Linux Ɠ PC ɓĂ΁CP
  Windows N PnP ݒ肵ĂĎCWindows(܂
  DOS) Linux N܂DWindows  PCI foCXWX^ IRQ
  Ă܂Ƃ񍐂Ă܂D̏ꍇɂ Linux  0 ł
  IRQ oꂽƃG[o܂DāC̕@͎gȂ
  ܂D

  5.8.  foCXhCoɂݒ

  ̃hCóCPnP ̎@găn[hEFAɃoX\[X
  ݒ肵܂C͂̃hCo䂷foCXɑ΂ĂłDh
  CoݒIĈȍ~́ChCo͖炩ɐݒmĂ̂ŁC
  [U͂̏hCoɋKv͂܂D

  ̕@ɔ͐ݒ̏dłD̏̑SĂhCoɑgݍ
  ͍̂łChCo͑̃foCXKvƂĂoX\[X
  Ă܂܂Dɂ胆[U̐ݒ͊ȒPɂȂł傤
  C PnP Ή Linux J[lgƗǂł傤Dڂ
  ``Linux  PnP ܂ĂƂ̕Kv'' D

  5.9.  PnP Ɋ֘A\tgEFAƕ

  o  isapnptools ̃z[y[W
     <http://www.roestock.demon.com.uk/isapnptools/>

  o  Linux J[l PnP Ήɂpb` <http://www.astarte.free-
     online.co.uk>

  o  PnP hCovWFNg <http://www.io.com/~cdb/mirrors/lpsg/pnp-
     linux.html>

  o  Microsoft ɂ PnP ̎dl
     <http://www.microsoft.com/hwdev/respec/pnpspecs.htm>

  o  : PCI System Architecture, 3rd ed.,  Tom Shanley ,
     MindShare, 1995NDPCI oXĂ PnP Iȋ@\̐
     D

  o  : Plug and Play System Architecture,  Tom Shanley,
     MindShare, 1995NDISA oXł PnP ɂĂ̏ڂ
     DPCI oXł PnP ɂĂ͊TvĂ܂D

  o  : Programming Plug and Play,  James Kelsey, 1995NDPnP
     BIOS ł̒ʐMsȂvO~OɂĂ̏ڂ
     DISA, PCI, PCMCIA oXJo[Ă܂B

  6.  hCoɐݒ

  6.1.  ͂߂

  s@͊SɃhCoɈˑ܂DhCoɂĂ͕fo
  CXǂ̂悤ɐݒ肳ꂽ̂𒲂ׂ@𕡐Ă܂Dł
  [ȃP[Xł́CoX\[XJ[lɃn[hR[fBOčăRp
  CsȂ΂Ȃ܂D̑΋ɂ̃P[Xł́Cݒ͑SĎI
  sC[U͉Kv܂Dn[hEFAւ̃oX\[X
  ݒł PnP ̎dg݂gčs܂D

  ̒Ԃ̃P[X́C\[XhCoɗ^Ct@Cɐݒ肵
  肷ꍇłDꍇɂẮCfoCX肻ȃAhXɑ΂
  hCoTsƂ܂DꂩlX IRQ 𒲂ׁCǂ
  IRQ g邩𒲂ׂ悤Ƃ܂D͎ōsꍇsȂ
  ꍇ܂D̑ɁChCo PnP ̎dg݂găfoCX̑
  ݂ƃoX\[X̐ݒ𒲂ׂ邱Ƃ܂Cۂ̐ݒ͍s܂
  D̏ /proc fBNĝ̃t@Cɂ
  D

  oX\[XJ[l⃍[_uW[Ƀp[^Ƃė^K
  v邱Ƃ܂Dw\ȃp[^ɂĂ
  /usr/lib/modules_help/descr.gz D[h郂W[
  ́C/etc/modules Ƀp[^tŗ񋓂Ă܂DꍇɂẮC
  oX\[X̓p[^ƂăJ[lɗ^邱Ƃ܂Dp
  [^ lilo.conf t@C append="..." Ƃ`Ŏw肵܂D
  t@CҏWɂ́CݒJ[l̃u[gR[hɕۑ邽߂
  lilo sȂ΂Ȃ܂D

  hCooX\[X邽߂̕@͑SoołCŏII
  ȖړI͓łDn[hEFAƂɑΉhCo͔ɂ
  ̂ŁChCooX\[X@ƃhCoKvƂ
  mɓ肷邽߂ɂȂׂƂɂẮChCot̕
  Kvł傤D̃hCoɊւȒPȏȉ̐߂
  ܂D

  6.2.  VA|[ghCo: setserial

  W̃VA|[ghCo(}`|[gJ[h)ɑ΂ẮC
  setserial găhCo̐ݒs܂Dsetserial ͑̏ꍇCN
  t@Cs܂DVo[W setserial 
  /etc/serial.conf t@Cg܂D̃t@C seetserial R}
  hʂɎgƂɂāuҏWvCsetserial gĐݒ肵
  eݒt@C setserial ɕۑ܂D serial.conf t@C
  ́Csetserial R}hNt@CsꂽɎQƂ͂
  D̂悤ȐݒɂȂĂ邩ǂ̓fBXgr[Vɂ
  Ⴄ܂D

  setserial R}h͗^IvVɂāCقȂ 2 ʂ̎g
  ł܂Dg̈͎蓮ŃhCoɐݒ邱ƂłD
  ̎ǵCw肳ꂽAhXTCɃVA|[g邩
  񍐂邱ƂłD̃AhXTC̃|[gɑ΂Ăǂ
  IRQ gĂ邩̌o݂邱Ƃł܂DhCo͋N
  setserial Ɏ̂s܂CIRQ ̒T͍s킸CĂ邩
  ȂuWv IRQ 蓖Ă邾łDhCo̓|[g݂
  邩ǂ̒T͍s܂Dڂ Serial-HOWTO (:
  JF ɓ{󂪂܂)D
  6.3.  TEhJ[hhCo

  6.3.1.  OSS-Lite

  I/O AhXCIRQ, DMA `lp[^ƂăW[ɗ^
  CJ[lɑgݍ܂Ȃ΂Ȃ܂DCꕔ PCI J[h
  IɌo܂(Clspci R}hgƂɂčs
  ł傤)DRedHat ɂ "sndconfig" ƂvOpӂĂ
  D̃vO ISA PnP J[hoCoꂽoX\[X
  găW[̃[h̐ݒs܂D

  6.3.2.  OSS (Open Sound System)  ALSA

   PnP ̎dg݂găJ[hoCK؂ȃhCȏIƃ
  [hs܂DISA PnP J[hւ̃\[X̐ݒs܂DoX\
  [X̏Փ˂邽߂Ɏ蓮ŒsKv邩܂DALSA
  hCȍꍇɂ́CISA PnP ̋@\͏ȂƂ\ŁC]ɂĂ
  isapnptools gƂł܂D

  7.  ݂̐ݒmɂ?

  ł́uݒvƂ PnP oX\[X(AhXCIRQ, DMA)̊蓖Ă
  ƂłDufoCXǂ̂悤ȐݒɂȂĂ邩HvƂ₢́Cf
  oCXƃfoCXhCo̗ւ̖₢łDꂼ͓ƂȂ͂
  łD

  1. foCXhCõ\tgEFA̐ݒ͂ǂȂĂ邩?  (܂C
     hCo̓n[hEFAݒ肪ǂȂĂƍlĂ̂?)

  2. foCX̂ɂ͂ǂȐݒ肪Ă̂?

  RCfoCXn[hEFAƂ̃hCo̐ݒ͓łȂ΂Ȃ܂
  (ĕʂ͓ł)Dɓ삵Ȃꍇ́CǂɑႪ
  ł傤D܂Cۂ̃n[hEFAݒɂăhCoĂ
  񂪌ĂƂƂłD͖N܂Dg̃\tg
  EFAԈĂ_K؂ɎwEĂȂ(܂͐ݒ
  ĂȂ)Cn[hEFAfoCXƂ̃hCoǂ̂悤ɐݒ
  Ă̂𒲍Kv܂DLinux ̃foCXhCóuS
  ̏\vꍇ͂łCn[hEFA̐ݒ𒲂ׂ
  ͊ȒPł͂Ȃ܂D

  Ƃ͕ʂ̖܂D܂CʂɐݒɊւ郁bZ[W\
  ꂽCꂪfoCXhCo̐ݒȂ̂CfoCXn[hEFA̐
  Ȃ̂C邢̗͂Ȃ̂͂肵ȂƂƂ
  DfoCXhCoݒ肵Cn[hEFAƓݒɂȂ
  邩ǂfoCXhComFĂȂ΁ChCo񍐂
  ݒ̓n[hEFAƃhCoʂ̐ݒɂȂĂ͂łD

  łsȂꕔ̃hCóCgŊmFĂȂݒ
  t邱Ƃ܂DႦ΁C"setserial" ͊mFĂȂݒ
  t܂(ƂoX\[X𒲂ׂ悤ɎwꍇłĂ)D
  悤ɁC"setserial" \̂̓hCo̐ݒ肾łCn[hEF
  A̐ݒ͕\܂D

  7.1.  ÑbZ[W

  ݒ̈ꕔ́CRs[^N BIOS ̃bZ[WƁC
  Linux ̋NbZ[WǂނƓ܂D̃bZ[W͗
  ēǂ߂ȂƂ̂łCbZ[W~܂ Shift-
  PageUp x΃bZ[WXN[obN邱Ƃł
  Dɐi߂ɂ Shift-PageDown g܂DVF̃R}hƂ
  "dmesg" Ɠ͂ƁCLinux ̃J[lbZ[WȂ炢ł\
  ܂DC(BIOS ̃bZ[W܂)ƂĂdvȃbZ[Wɂ͕\
  Ȃ̂܂DLinux o͂bZ[ẂCfoCXhC
  olĂݒ肵ĂȂ܂D̐ݒ͂
  ƁC肪ݒt@Cǂݍ܂Ă邩܂D

  BIOS ̃bZ[W͂̎_ł̃n[hEFAݒ\܂CPnP
  OS, isapnp, PCI Utilities ȂǂォݒςĂ邩܂D
  BIOS ̃bZ[W͍ŏɁCLinux ̃bZ[WOɕ\܂D
  ォ Shift-PageUp găbZ[Wǂޑ̕@ƂāC
  "Pause" L[ăbZ[Wo͂~߂@ĂDL
  [΍Ăѓn߂܂DCLinux ̃bZ[Wo͂
  n߂ƁC"Pause" L[͂g܂DƂ̂C"Pause" L[
  Linux ̃bZ[Wo͂~߂ȂłD

  7.2.  foCXhCo͂ǂ̂悤ɐݒ肳Ă邩?

  R}hCsł(VA|[gp "setserial" ̂悤)C
  ݒ\vO邩܂D/proc fBNgc[
  ͕֗łD/proc/ioports ̓hCogĂ I/O AhX\
  ܂(邢́CAhXĂ邩ǂ`FbN܂)D
  găn[hEFA I/O AhXݒ肷邱Ƃ͂ł܂D

  /proc/interrupts ͌ݎgp̊荞݂\܂DhCoɊ
  蓖ĂĂ銄荞݂̑́CgpłȂ߂ɑS\܂
  DႦ΃tbs[hCuɃtbs[fBXNĂĂłg
  ԂɂȂĂĂCۂɎgĂȂΊ荞݂͕\܂
  DJԂ܂Cɕ\̂́C荞݂n[hEFAɑ
  ݂ƂƂł͂܂Dn[hEFAɑ݂ȂƂm
  ́C̊荞݂sʂ̊荞݂ 0 łƎĂ邩
  𒲂ׂ܂D荞݂sꂽƎĂĂC
  ̊荞݂̃foCXŋNƂۏ؂͂܂Dݎgp
  ł͂ȂfoCXŋN̂܂񂵁C(J[loR)gp
  ĂȂfoCXłĂC炩̗RŊ݂𔭍s邩܂
  B

  7.3.  n[hEFAfoCX͂ǂ̂悤ɐݒ肳Ă邩?

  "lspci" R}hgāCPCI oX̃foCXɑ΂oX\[X̊
  蓖Ă𒲂ׂ̂͊ȒPłDo[W 2.2 ÕJ[lł́C
  /proc/pci  /proc/bus/pci QƂ܂傤D܂ /proc/pci  IRQ 
  16i\Lŕ\邱ƂɒӂĂD/proc/bus/pci/devices 
  ǂɂĐSzKv͂܂D "lspci" ɍsȂĂ
  ܂D

  ISA oX̏ꍇɂ pnpdump --dumpregs gƎv邩܂
  C͊mȕ@ł͂܂񂵁Cʂ͔ǂɂ܂
  D܂ pnpdump uǂݏo|[gAhXvƁuf
  oCX I/O AhXvȂłD͓̂ł͂
  ܂DISA oX(邢 PnP ̐̂̂)ɌȂn[hEF
  Aoɂ́C"scanport" vOĂ݂ĂD PC
  nO댯邱Ƃɒӂ܂傤D܂C IRQ ̕\
  ͍sȂ܂񂵁CmɃn[hEFAF킯ł͂܂D

  BIOS Nɏo͂郁bZ[WƁCn[hEFAݒ肪ǂȂ
  Ă邩킩܂DBIOS ɐݒCĂȂC͈ȑOƓ
  ܂̂͂łDLinux ̋Nɂ́ChCoCn[hEFA邩m
  F( IRQ  DMA ݒ肳Ă΂mF)bZ[Wo
  ܂DCfoCXƓ삵Ă΁CfoCXƃhCo
  ̐ݒ͓ɂȂ܂D

  8.  t^

  8.1.  AhX

  AhXɂ 3 ̃^CvC܂胁CAhXCI/O AhXC
  ݒAhX܂DPCI oXł́CݒAhX I/O AhXƂ
  ʂ̃AhXԂ\܂Dɂ ISA ̐ݒAhX
  ꍇCoX̃AhXAhXCI/O AhXCݒAh
  Xł邩ǂ́CoX̑̐(g[X)̓dɂĂ̂݌܂
  D

  8.1.1.  ISA oX̐ݒAhX (ǂݏo|[g)

  ISA oX̏ꍇCZpIɂ͐ݒAhXԂ͖̂łCCPU  PnP
  J[h PnP ݒ背WX^ɃANZX邽߂̓ʂȕ@܂D
  ̖ړÎ߂ɁC3  @ I/O AhX蓖ĂĂ܂DC
  ꂼ̃J[h 3 AhX蓖Ă̂ł͂ȂCSĂ
  J[h 3 ̃AhXL܂D

  3 ̃AhX̖ÓCꂼǂݏo|[gC݃|[gCAh
  X|[głDe|[g̃TCY͂傤 1 oCgłDPnP J[h͂
  ꂼꃌWX^񎝂Ă܂C 3 ̃AhXł̓J
  [h 1 ̃WX^ɑ΂Ă[ł͂܂D̃J[hƒ
  M邽߂ɂ́CʂɊ蓖ĂꂽJ[h̔ԍ(nh)݃|
  [gAhXgđSẴJ[hɑ܂DƁC̃nh
  J[hĎԂɂȂ܂D(̃J[h)ݒ背WX^̃Ah
  XAhX|[gɑ܂(AhX|[g͑SẴJ[hLĂ
  ܂C݃|[g̊ĎsĂ̂ 1 ł)D̒ʐM͂
  J[h̐ݒ背WX^ 1 ŋN܂D͓ǂݏo|[g̓
  ݏoC݃|[gւ݂̏ɂčs܂D

  ݃|[g̃AhX͕K A79 ŁCAhX|[g̃AhX͕K
  279 ł(16 il)DCǂݏo|[g̃AhX͌Œł͂ȂC
   ISA J[hƏdȂȂƎvAhXɐݒvOݒ肵
  DAhXdȂꍇ͕ύX܂Dǂݏo|[g̃AhX
  gāCSĂ PnP J[huvOvƂł܂D
  āC isapnp găf[^̐ݒ`FbNsꍇɂ́C̓ǂݏo
  |[gAhX߂Ȃ΂Ȃ܂D

  8.1.2.  AhX͈̔

  {ł́uAhXvƂtŃAhX̗אڂĂ͈͂wĂ
  邱Ƃ܂DAhX̓oCgPʂŗ^̂ŁC1 ̃AhX
    1 oCg̗eʂ܂DCI/O(ƃC)AhX
  ɂ͂傫TCYKvłD]āCI/O AhXɂ͗Ⴆ 8
  oCg͈̔͂g邱ƂłCfoCXɊ蓖Ă郁C
  AhX͈̔͂͂ƍLȂ܂DVA|[g
  (I/O foCX)̏ꍇɂ́CfoCX̍ŏ I/O AhX(3F8 )^
  Ώ[łDȂȂC̃foCXɑ΂AhX͈̔͂ 8 oCg
  ȂƂ͏펯ɂȂĂ邩łD͈̔͂̂ŏ̃AhX
  ux[XAhX(base address)vƌĂ΂܂D

  8.1.3.  AhX

  ISA oX̏ꍇCI/O AhX(C)AhX́uԁvɃANZ
  Xۂɂ́CAhXoXg܂(AhXɎgz
  L܂)Dł́CfoCX̓AhXoXɌAhX
  AhXł邩 I/O AhXł̂ǂĒm̂ł傤?
  ̓oXɂ 4 ̐p̐Ĉ悤ȏ`̂łD 4
  ̐̂̓̂̂ɐMꂽꍇC CPU  I/O AhX
  f[^ǂƂĂ邱ƂƁCC̓oX̃AhX
  邱ƂӖ܂Dc 3 ̐悤ȖړIŎg܂D
  ȒPɐƁCǂݍ݂Ə݂̐C I/O AhX
  ̗̂߂ɑ݂܂(͑S 4 ł)D

  PCI oX̏ꍇ{Iȍl͓ 4 ̐g܂C̎g
  ͏Ⴂ܂D܂C4 ̂ 1 ɐM𗬂̂ł͂ȂC4
  ̐Sg 2 i𗬂܂(16 ʂ̑g܂)D
  邱ƂɂC葽̏𑗂邱Ƃł܂D16 ̂ 4 ͑O
  ߂ŏqׂ I/O ԂƃԂ̂߂Ɏg܂DݒAhXԂ
   2 g܂Dc 10 ̖͑ړIɎg悤ɎcĂ
  D

  8.1.4.  AhX͈͂̃`FbN (ISA ɂ I/O AhX̏Փ˂̌)

  ISA oX̏ꍇCAhXgJ[hɖƂ`FbN邽
  ߂̕@eJ[hɑgݍ܂Ă܂D̃J[h I/O Ah
  XgĂƁCǂ̃J[h삵Ȃł傤D܂Ƃ
  PnP ݒvO͂̂悤ȏՓ˂NȂ悤ɃoX\[X
  Ă͂łC̏ꍇłBĂ郌KV[J[hdȂAhX
  Ă邩܂D

  ̃eXǵCJ[h I/O WX^ɃeXgԍݒ肷邱Ƃ
  čs܂D PnP ݒvO͂ǂݏoCeXg
  ԍǂݏo邱Ƃ܂DꂪقȂꍇɂ͉肪
  (Ⴆ΁Cʂ̃J[hAhXgĂ)Dlɕʂ̃eXg
  ̃eXgԍgČJԂ܂D̃eXg͎ۂɂ̓J[hɊ蓖
  Ăꂽ I/O AhX͈̔͂Ń`FbNŝŁu͈̓`FbNvƌĂ
  ܂D̓AhXՓ˃eXgƌĂԕǂ܂DAhX
  ̏Փ˂΃[Uɑ΂ăG[bZ[WôŁC[U͎
  łȂ΂Ȃ܂D

  8.1.5.  oR̒ڂ̒ʐM

  `Iɂ́CقƂǂ I/O foCX CPU ƒʐMۂ I/O 
  g܂DႦ΃VA|[gɊY܂DCPU œ삵
  foCXhCóCI/O AhXԂƃCɑ΂ēǂݍ
  Ə݂s܂D荂ȕ@ƂāCfoCXڃC
  Ƀf[^ޕ@܂Ds@ 1 C``DMA `
  l''邢̓oX}X^O̗płD܂CCԂ̈
  foCXɊ蓖Ă@܂D̂悤ɂāCfoCX͂킴
  킴 DMA oX}X^OgȂłڃCɃf[^̓
  ݏł܂D̂悤ȃfoCX͒ʏCI/O AhXg
  ܂D

  8.2.  荞 --ڍ

  荞݂͑̏`邱Ƃł܂CԐړIɂ`邱Ƃ
  ł܂D荞݃VOi(z̓d)́CfoCXKv
  ƂĂ邱Ƃ荞݃Rg[ƌĂ΂`bvɓ`܂D
  荞݃Rg[ CPU ɐM𑗂܂D CPU ͂̃foCX̃h
  CoCu荞݃T[rX[`v(܂́u荞݃nh
  v)ƌĂ΂hCöꕔs܂D́u[`v͉N
  ̂𒲂ׁCfoCXƂ̃f[^]̖悤Ƃ܂D
  ̃vO([`)ŁCN̂ɂĊȒPɒׂ邱Ƃł
  ܂DȂȂChCo͎mĂAhXɁCׂ邽߂̃
  WX^Ă邩ł(foCX IRQ ԍI/O AhX
  肳Ăꍇɂ)D̃WX^ɂ̓foCXɊւXe[^X
  񂪊i[Ă܂DhCo͂̃WX^̓eǂݍ݁C
  ׂ邱ƂɂāCN𒲂ׂĐsƂł
  D

  āCefoCXhCo͊Ď銄荞ݔԍ(IRQ)mĂ
  Kv܂DPCI oX(܂J[l 2.2 ȍ~ł ISA oX̃VA
  |[g)̏ꍇɂ́C̃foCX IRQ ԍL邱Ƃ\
  łD̂悤Ȋ荞݂sƁCCPU ͂̊荞݂gĂ
  SẴfoCX̊荞݃T[rX[`Ss܂Dŏ̃T[r
  X[`܂sƂ́C荞݂{ɂ̃foCXɑ΂čs
  ̂ǂmF邱ƂłD荞݂(alarm ͋UƂȂ
  )̃[`͏IC̃T[rX[`Jn܂Dȍ~l
  łD

  8.3.  PCI ̊荞

  PCI ̊荞݂ ISA ̊荞݂Ƃ͈قȂ̂łCʏ IRQ Ƀ}b
  sO邽߁C͂łDȈႢ PCI ł͊荞
  Lł_łD̋L͎Iɍs܂DāCʂȃn
  [hEFA\tgEFA͕Kv܂DȑO͊荞݂̋L܂
  삵ȂƂ񍐂܂C͂foCXhCõ\
  tgEFÂ̖悤łDPCI p̃foCXhCo͑SĊ荞݋L
  ̋@\Ă邱ƂɂȂĂ܂DC荞݂ PCI oX
   ISA oXŋL邱Ƃ͂łȂ_ɒӂĂDC
  ݂dȂĂfoCXɎg邱ƂȂ΁CsɊ荞
  ݂LĂĂ܂ܓ삷邱Ƃ܂DŁugvƂ
  ̂́C삵ĂvO(C ̃vÖӖ)foCXI
  [v邱ƂłD

  BIOS  CMOS ݒ肷邽߂CÂ PCI J[h̃Wpݒs
  ɂ́C炭 PCI ̊荞݃VXeɂĂ̏ڂmKvł
  De PCI J[h INTA#  INTD# (A, B, C, D)܂ł 4  ̊荞
  ݂gƂł܂DāCXbg 7 VXeł 7
  x 4 = 28 ̊荞ݐʌɎƂɂȂ܂DłCdlł͊
  荞ݐ̐͂菭ȂĂ悢ƂɂȂĂ܂DƂC
  ݂͋Lł̂ŁC͂ł͂܂DŁC
  ̐(zg[X) W, X, Y, Z ƌĂԂƂɂ܂D܂CXbg 3
  ̊荞 B 荞 3B Ƃ܂DƁC W gĊ荞
  1A, 2B, 3C, 4D, 5A, 6B, 7C L邱Ƃł܂DĹC W 
  I 1A, 2B ɐڑ邱ƂŎ܂DlɁC X gĊ
   1B, 2C, 3D, 4A, 5B, 6C, 7D L邱Ƃł܂DāCN
   BIOS  W, X, Y, Z  IRQ Ƀ}bv܂Ď BIOS ́Cꂼ
  ̃foCX}bvꂽ IRQ ꂼ̃foCX̃n[hEFAW
  X^ɏ݂܂DāCfoCX̖₢킹s̑SĂ̓fo
  CXg IRQ m邱Ƃł܂D

  PCI ̎dlł́Cɏqׂz W, X, Y, Z  INTA#, INTB#, INTC#,
  INTD# ƂxĂ܂DłC̐ȋL@͕킵
  ̂łDȂȂCXbg PCI oX̂ǂɒڂĂ邩ɂ
  INTA# ̈Ӗ2ʂɕς邩łDႦ 3C  X Ƀ}bvĂ
  ꍇCXbg3 INTC#  PCI oX INTA# (X) ɔzĂƂ
  ƂɂȂ܂D킵L@łˁD

  Kv͑ɂ܂DPCI Xbgł́CႢ̊荞݂g
  Ȃ΂Ȃ܂DāCXbg 1 荞݂gȂ
  Ȃ΁C荞݂ INTA# łȂ΂Ȃ܂D荞݂ 2 gȂ
  ΁CINTA#  INTB# łȂ΂Ȃ܂Dȍ~lłDXbg
  J[h̓foCX 8 ܂ŎƂł܂CPCI 荞݂̊蓖
  Ă 4 ܂D荞݂͋Lł̂łŖȂC8 
  ̃foCX͂ꂼꊄ荞݂Ƃł܂DfoCX PCI 
  ݕ́CŒlƂăfoCXɃn[hEFAIɌĂ邱Ƃ
  悭܂D

  BIOS  ISA oXɐݒ肵Ă IRQ(荞)ƏՓ˂Ȃ悤ɁCPCI 
  IRQ 蓖Ă܂DCMOS  BIOS j[Ń[U IRQ  PCI oX
  蓖Ă邱ƂX܂(CꂪȒPłȂ̂͂͊ɏq
  ׂʂł)DIRQ ̃}bsOݒ肵ł́CWindows  PCI J[h
   IRQ S 0 ɂĂ܂Ƃꍇ܂DāCWindows
  gĂl Windows  Linux NꍇCLinux ł IRQ 
  0 ƂԈʂȂƂƂ܂D

  ǎ҂̊F PCI  IRQ(ISA oX)gĂ邽߂ɒx̗Rl
  邩܂DłC͐܂DISA ̊荞݃R
  g[`bv CPU ɒĂzĂ̂ŁC CPU 
  M𑗂邱Ƃł܂DISA AhXƃf[^oX̐M PCI oX
  oR CPU ɓ͂̂łCIRQ ̊荞ݐM͂قƂǒ CPU ܂œ
  ܂D

  8.4.  AC\[V

  AC\[V ISA oXłg܂D ISA oX̊e PnP
  foCXɈꎞIȃnh(ID ԍ܂̓J[hIԍ(Card Select
  Number, CSN))蓖Ă邽߂̕Gȕ@łDIȕ@
  (CɕGł)̂ŁC͒Pȕ@ƌ邱Ƃ
  ܂DAC\[Vł́CĎsĂSĂ PnP foCX
   PnP ݂ɑ΂āC݃AhX 1 g܂D̏
  ݃AhX́Cꂼ PnP foCXɌŗL̃nh𑗂(蓖
  Ă)߂Ɏg܂D̃nh̊蓖Ăɂ́Cnhʂ̃A
  hXɑꂽ(܂ꂽ)ۂɃfoCX 1 ҋ@Ă邱
  KvłDSĂ PnP foCX̓AC\[V̏ŎgŗL̃V
  AԍĂ܂DAC\[V̓̓Q[ɎĂ܂D
  ́CSĂ PnP foCXqĂ 1 ̋ʂ̃oX̔z
  AC\[VvO̎l𓯂ɂ邱Ƃōs܂D

  uQ[v̍ŏ̃Ehł́CSĂ PnP foCX͂̐ĎC
  փrbg𓯎ɑ܂Drbgl 1 (̓d)܂
  d́uJ 0v(JH 3 )̂ǂ炩łDāC
   PnP foCX͂̐ŃVAԍrbgɍrbg瑗
  n߂܂Dǂꂩ̃foCX1𑗂ƁCڑĂ鑼̃foCX
  S 1 󂯎܂DSẴfoCXuJ 0v𑗂ƁCڑ
  ĂfoCX͂Ȃɂ󂯎܂D̖ړÍC(ŏ̃EhI
  ܂ł)ł傫VAԍ̈ȊO菜ƂłD
  u菜vƂ́C̃foCX͏݃AhX̊Ď߂邯ǁC
  Q[ɏcĂSẴfoCX͂̃AhX̊Ď𑱂Ƃ
  ƂłD́uhbvAEgvƂ܂D(VAԍ̒
  ͑Sēł_ɒӂĂD)

  ܂́C܂nhĂȂfoCXSĂŏɔzɗV
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