  The Linux Plug-and-Play-HOWTO
  David S.Lawyer   bf347@lafn.org
  v0.04, June 1999
  Linux Japanese FAQ Project JF@linux.or.jp
  v0.04j, July 1999

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

  Table of Contents

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

  2. PnP ̎d: u\[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Ƀ\[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 PnP Ɋ֘A\tgEFAƕ

  6. ݂̐ݒmɂ?
     6.1 foCXhCo͂ǂ̂悤ɐݒ肳Ă邩?
     6.2 n[hEFAfoCX͂ǂ̂悤ɐݒ肳Ă邩?

  7. t^
     7.1 AhX
        7.1.1 ISA oX̐ݒAhX (ǂݏo|[g)
        7.1.2 AhX͈̔
        7.1.3 AhX
        7.1.4 AhX͈͂̃`FbN (ISA ɂ I/O AhX̏Փ˂̌)
        7.1.5 oR̒ڂ̒ʐM
     7.2 荞 --ڍ
     7.3 PCI ̊荞
     7.4 AC\[V

  ______________________________________________________________________

  1.  ͂߂

  1.1.  쌠\Co^WCƐӎCNWbg

  : CZX֌WɂĂ͌̂܂܎܂D

  1.1.1.  Copyright

  Copyright (c) 1998 by David S. Lawyer. Please freely copy and
  distribute (sell or give away) this document.  For corrections and
  minor changes contact the maintainer.  Otherwise you may create
  derivative works and distribute them provided you:

  1. Discuss it with the maintainer (if there is one).  2. Put the
  derivative work at the mirrored LDP Internet site (or the like) for
  free downloading.  3. License the work in the spirit of this license
  or use GPL.  4. Give due credit to previous authors and major
  contributors.

  1.1.2.  Trademarks

  If certain words are trademarks, the context should make it clear to
  whom they belong.  For example "MS Windows" (or just "Windows")
  implies that "Windows" belongs to Microsoft.

  1.1.3.  Disclaimer

  Much of the info in this HOWTO was obtained from the Internet,
  implications in books that may be obsolete, etc.  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 neither I nor
  previous authors can be held legally responsible for any errors.

  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܂DBIOS  PnP ǂ̂悤ɏ̂(
   BIOS ɂĈقȂ܂)CWindows9x ɂ ESCD ̍XV@ɂ
  ĂSɂ͗Ă܂DāC HOWTO ͖łC
  sm܂(ԈႢ΂m点)D HOWTO 
  ́CM҂mȂƂLƂāu??vg
  Ă܂DM҂́C HOWTO ̉P()ƃeiXǂȂ
  ɂ肢ƎvĂ܂DM҂͂̍ƂpłT
  Ă܂D

  1.3.   HOWTO ̍ŐVłɂ

  Plug-and-Play-HOWTO ̍ŐVł͂o͂łCLDP Ƃ̃~
  [TCgŉ{܂͓肷邱Ƃł܂D~[TCg̈ꗗ
  <http://metalab.unc.edu/LDP/mirrors.html> ɂ܂D͗̕lX
  tH[}bgœł܂DŐVł̓tƊmFȂC
  <http://metalab.unc.edu/LDP/HOWTO/Plug-and-Play-HOWTO.html> Ƃ
  ł傤D

  1.3.1.  {ɂ

  { HOWTO ̓{ Linux Japanese FAQ Project(JF Project)s
  ܂(|: P <fujiwara@linux.or.jp>CZ: J <yaz-
  hase@qb3.so-net.ne.jp>, L <takei@cc.kochi-u.ac.jp>)D뎚E
  ΓvWFNg(JF@linux.or.jp)܂łm点D܂C
  ̖|ɊւzzіƐӎɂẮCIWiɏ
  Ƃ܂D

  2.  PnP ̎d: u\[Xv̊蓖

  2.1.  vO&vC(PnP)Ƃ͉?

  ȒPɐƁCvO&vC̓flbg[NJ[hCTE
  hJ[h̊en[hEFA(foCX)ꏊIɃ\
  tgEFAɋ܂DvO&vC̎d́CfoCXƂ𑀍
  \tgEFA(foCXhCo)ƈvCfoCXƃhCo̊Ԃ
  ʐMu`lv邱ƂłD邽߂ɁC PnP ͈ȉ
  u\[XvhCoƃn[hEFA̗Ɋ蓖Ă܂: I/O Ah
  XCIRQ, DMA `l(ISA oX̏ꍇ̂)C̈D 4 
  \[X̂ƂȂ΁Cȍ~̐߂ǂłDx
  ̃\[X蓖Ă(ĐhCoCXg[
  )C/dev fBNgɂfoCX̃t@Cg悤ɂȂ
  D

  ̂悤ȓ̃\[X PnP 蓖Ăuݒ(configuring)vƌĂ΂
  邱Ƃ܂C͒჌xȎނ̐ݒɉ߂܂D܂C
  PnP őpꍇłfoCX̐ݒ̑ PnP ȊOōs
  DႦ΃f̐ݒł΁Cuv I/O AhX
  u`lvgăfɑ܂Dfɕ𑗂邽߂Ɏg
  u`lv PnP 蓖Ă̂łCuv
  ̂̂ PnP Ƃ͖֌WłDVA|[g̑x(ё̃p[^
  ̑)̐ݒ́C[Us(NɎIɎs邱Ƃ悭
  ܂)vOfoCXhCoփbZ[W𑗂邱Ƃɂ
  s܂D̐ݒ͂ PnP Ƃ͊֌W܂D̂悤ɁCPnP 
  bɂẮu\[Xv͈ʂɃ\[XƌĂ΂̂̂ꕔł
  Cuݒv̐ݒ肾w܂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[eBOVXe(邢̓W[)̈ꕔłCCPU œ삷
  \tgEFAłDfoCXhCo /dev fBNgɂu
  t@CvɊ֘AtĂ܂D̃t@C͎ۂ̃t@Cł͂
  ܂D̃t@C̖O hda1(n[hfBXN a ̍ŏ̃p[eB
  V)CttyS0(ŏ̃VA|[g)Ceth1 (2Ԗڂ̃C[TlbgJ[
  h)̂悤ɂȂĂ܂DݓbɂȂ̂łCIfoC
  XhCo(Ⴆ eth1 Ƃ܂)͎gĂC[TlbgJ[h̎ނ
  Č܂܂D܂CSẴC[TlbghCo eth1 蓖
  ̂ł͂܂DtC[TlbgJ[h̋@ɑΉC
  ̃hCo蓖ĂȂ΂Ȃ܂DfoCX𐧌䂷
  ߂ɁC(foCXhCo𐧌䂵Ă)CPU ͊efoCXɃR}h
  (уf[^)𑗂Cǂݏo肵܂D̂悤ȒʐMs
  ߁CefoCXhCo͐䂷foCX̗B̃AhXlm
  Ȃ΂Ȃ܂D̂悤ȃAhXlm邱ƂuʐM`l
  ݒ肷vƂȂ̂łD́u`lvۂɂ PC ̃f[^
  oXłĈقƂǑSĂ̂̂ɋLĂꍇłłD
  ۂ̒ʐM`l͂ł̐菭GłDuAhXlv͎
  ɂ͕AhXłC`lɂ(荞݂ƂĒmĂ
  )t̕CfoCX͂gċً}́uwvvvf
  oCXhCoɑ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)̂̂
  ́Cp̔z̓dgđSẴfoCXɓ`܂Dڂ
  ``AhX'' ̐߂QƂĂDʂ̓foCX I/O AhX
  ɔzuĂ܂C݂̓C̋ԂgƂ
  DI/O AhX͒P "I/O", "IO", "i/o", "io" ƌĂ΂邱Ƃ
  D܂uI/O |[gvƂtg܂DI/O AhX(܂͊
  ݓ̑\[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܂񂵁C̉Ƃ̎͌Ă炦悤ɉƂ̑O
  Ԓn\ĂȂ΂Ȃ܂DRs[^̏ꍇɂ́CfoCXh
  Co̓AhX擾Ȃ΂Ȃ炸CfoCX̃n[hEFA͓A
  hX̃WX^ɐݒ肵ĂȂ΂Ȃ܂D̍Ƃ͗
  sȂ΂ȂȂ̂łCЕݒ肵Ȃ悤ȃ~X[U
  邱Ƃ܂D̂悤ȏꍇɂ́CRs[^̓foCXo
  ɍĂ܂ƂɂȂ܂DႦ΁CVA|[gɃAhX
  蓖ĂړI "setserial" gĂC"setserial" ̓hCoɂA
  hX܂(VA|[ĝ̃AhX͐ݒ肵Ȃ̂ł)D
  ŌAhXhCoɐݒ肷Ɩ肪N̂łD

  ̑ɂCfoCXhCoANZXOɃJ[h I/O Ah
  Xݒ肵ĂƂKvȂƂ͖炩łDfoCXhCo̓R
  s[^Nɓn߂邱Ƃ̂ŁCPnP ݒvO
  J[h̃AhXݒsOɃfoCXhCo(J[h邩ǂ
  𒲂ׂ铙̂߂)J[hɃANZX悤Ƃ邱ƂX܂D
  ̂悤ȏꍇɂ́CƂJ[hĂ(C܂AhX
  ĂȂ)CJ[hȂƂG[bZ[W\܂D

   2 ̒i I/O AhXɂĐƂ́C̃\[X(
  ``IRQ --Tv'', ``DMA `l'', ``̈'' )ɂĂ悤
  ɓĂ͂܂܂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 oX̏ꍇƕʂ̓ȏꍇɂ́CIRQ L邱Ƃ
  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) I/O foCX̃Ԃǂݍ񂾃oC
  g CPU ̂̂ɑD(2) ̃oCg CPU 烁Cɑ
  DDMA gƁC̏̓foCX烁֒ڃoCg𑗂Ƃ
   1 ̃XebvɂȂ܂DCfoCX̃n[hEFAɂ̋@\
  gݍ܂ĂȂ΂ȂȂ߁CKSẴfoCX DMA 
  gpł킯ł͂܂DDMA sĂԂ CPU ̓͐
  ܂DȂȂCCoX DMA ]ɎgĂ܂łD

   PCI oXɂ DMA Ȃ̂łC̑ DMA Ɨ
  @\܂D܂oX}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
  DPnP \[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܂D́u\[Xv (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
  \[X(ŗL I/O AhX IRQ ԍ)ĂȂ΁CfoCX
  hCofoCXɊ蓖Ăۂ̖͋NȂł傤DRs[
  ^̊efoCX͑̃foCXƏՓ˂Ȃ悤ȌŒ̃\[XĂ
  łDႤfoCX I/O AhX IRQ ƂȂł
  DłCefoCXhCõvO I/O AhXIRQ 
  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

  \[X蓖Ă̏Փ˂̖Ƃ͕ʂɁCfoCXhCõ\[Xݒ
  Ă܂肪܂DႦ΁C{̓foCX IRQ 5 ݒ肳
  Ă̂ɐݒt@Cɂ IRQ 4 ƏĂ悤ȏꍇłD

  \[X̊蓖Ă𐳂s΁CfoCXƂɑΉfoCX
  hCo̊ԂɒʐM`lm܂DႦ΁C͈͂ I/O A
  hX(\[X)foCXhCoƃn[hEFAɊ蓖ĂꂽꍇC
  ҂̊ԂɈʍs̒ʐM`lmƂɂȂ܂DhCo
  R}hƏfoCXɑ邱Ƃł܂DhCo̓WX^ǂ
  ƂɂăfoCX擾邱Ƃł̂ŁCۂɂ͒PȂ
  ʍsƂ킯ł͂܂DC̕@ł̓foCX
  Mn߂邱Ƃ͂ł܂DoʐM`l邽߂ɂ́CfoC
  X IRQ KvƂ܂DoʐM`lƂ́CfoCXhCo
  foCXʐMn߂邱ƂłʐM̂ƂłD

  2.9.  VA|[gɑ}foCX PnP ɂ錟o

  VA|[gɃP[uŐڑOfoCX(OtfȂ)v
  O&vCƌĂ΂܂DڑfoCX̂ɂ̓\[X͊蓖ĂꂸC
  VA|[gɂ IRQ  I/O |[g ̃\[X蓖Ă܂D
  łCۂ͂̃foCXɂ PnP ͕Kvł͂܂D
  ĂĈ悤ȊOVAfoCXɑ΂Ă PnP ̎dl߂
  Ă܂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
  Ӗł́CݒƂ̂ PnP \[X̐ݒƃfoCXhCoɂ
  ݒem点邱Ƃw܂DƋӖł́Cn[hEFA
  foCX̃\[Xݒ肷邱Ƃw܂D PnP ̎dlw
  Ƃ܂D̎dl(̂ƂĂ܂) ISA oX
  ̃foCX(̏ꍇ̓J[hł)ɑ΂ PnP \[Xf[^ǂ
  @̎dl߂Ă܂DW PCI(PnP ł͂܂)̎dl
  ́CƂPCI oXłł悤ɍĂ܂D

  PnP ̓foCXƃfoCXhCo̐ݒvC҂̒ʐM`l
  w肵܂DvO&vCgO ISA oX̏ꍇɂ́CWp
  găn[hEFAfoCX̃\[Xݒ肵Ă܂D\tgEFA
  hCoւ̃\[X蓖ẮCݒt@C()܂̓foCX
  vAhX𒲂ׂ邱ƂɂčsĂ܂DPCI oX͍ꂽ
   PnP ̂悤ɂȂĂ̂ŁCPCI oXp PnP ͔̂
  ɊȒPłDPCI oX̎dlł PnP ƂpꂪgĂȂ̂ŁC
  PCI oX PnP ƌĂł悢̂ǂ͂͂肵Ă܂(łC
  PCI oX́C PnP ƌĂ΂Ă̂n[hEFAIɃT|[g
  ܂)D

  3.2.  PnP ̓ (ȒPȐ)

  PnP ̓̊TvȒPɐ܂DPnP ݒvO( BIOS
  ɂvOł)͑SĂ PnP foCXoCefoCXKv
  Ƃ郊\[X̖₢킹s܂DɁC̐ݒvO͓n
  ΂ȂȂ\[X(IRQ )`FbN܂DRȂ PnP (K
  V[)foCXgĂ\ς݃\[X(ݒvOm
  Ă)Ĉ悤ȗ\ς݃\[X PnP foCXɓn܂D
  ɁCݒvO(PnP ̎dlł͌߂ĂȂ)炩̊p
  āCՓ˂NCSẴfoCXɕKvȃ\[X蓖Ă܂D
  ꂩCݒvO͊蓖Ă\[XefoCXɐݒ肵Cf
  oCX͊蓖Ăꂽ\[Xg悤Ɏg̐ݒs܂D
  ăfoCXhCo͐䂷foCXg\[X炩̕@Ō
  oCfoCXƌIɒʐMs悤ɂ܂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)̃\[X̊蓖Ăۑ
  ĂCėp邱ƂłDWindows9x  PnP BIOS ̑gݍ킹
  ͂̓s܂CW Linux ł͂s܂DWindows9x
  ͂̏uWXgvɕۑCPnP BIOS ͂̏ PC ̕s
  ( ESCD ƂĒmĂ܂D ``BIOS  ESCD f[^x[
  X'' QƂĂ) ɕۑ܂D

  foCX̃n[hEFAO̐ݒLĂ΁C̋Nɂ͂قƂ
  ǉݒ肵ȂĂ悢̂łCfoCX͓d؂ƐݒY
  łDftHg̐ݒĂfoCX܂(łC
  KOgݒƂ͌܂)DāCPnP ݒvO
   PC N邽тɖsKv܂D܂CVfoCX
  ǉCfoCX̐ݒsKv܂D̐VfoCX
  \[X蓖Ăۂɂ́CɂfoCXꕔ̃\[X
  C̃foCXɑ̃\[X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
  ɂuu[gv(n[hfBXNIy[eBOVXe[h
  邱)̏͊łDPnP Ή̃Iy[eBOVXegĂ
  邱Ƃ BIOS Ŏw肵Ăꍇɂ́CBIOS  PC NCIy[
  eBOVXe PnP ݒs킹Ȃ΂Ȃ܂DłȂꍇ
  ́C PnP BIOS gc̃foCX PnP ݒsƂ܂(Ch
  Co̐ݒ͍s܂)D

  3.4.  oX

  ISA ͌Â IBM-PC ̃oXŁCPCI ̓Ce񏥂VȃoX
  D₪ ISA oX͂ȂȂł傤DȂ PnP ɂ Linux
  Ŗ肪N邱Ƃ͂قƂǖȂ͂ł: (1) gĂoX
  PCI oXɂȂC (2) BIOS ܂ PnP ̐ݒł悤ɂȂ邩
  łD

  PCI oX́C PnP ƌĂ΂Ă@\ł悤ɐ݌vĂ
  ܂DPCI oXł́C\[Xn[hEFAfoCXɂǂ̂悤Ɋ蓖
  ꂽ̂𒲂ׂ邱Ƃ(ISA oXƔׂ)ȒPłDǂȐݒɂȂ
  邩mɂ́C/proc/pci ut@Cv(J[l 2.2 ȍ~ł
  /proc/bus/pnp/devices)CNɃfBXvCɕ\郁bZ[W(O
  ̕\ɂ Shift-PageUp g܂)CPCI Utilities (J[l 2.2
  ȍ~őΉĂ܂)QƂĂD

  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ɂKvĂ܂܂D́unhv蓖
  Ă邱ƂuAC\[V(isolation)vƌ܂Dׂ_ɂ
  ͕t^ ``AC\[V''QƂĂD

  3.5.  Linux  PnP ܂ĂƂ̕Kv

  PnP Ki Compaq, Intel, Phoenix ܂DMicrosoft ͐擪ɗ
   PnP ̕yi߂܂DPnP uvĂȂ΁CLinux ͍K
  Ƃł傤D ISA oXp PnP Ɠ@\
  PCI oXyCeՂ PnP XۂɎgĂ͂łD
  łDނƍD܂ƂɌW炸Cŋ߂̐V ISA n[hEFA͂ق
  ǑSĂ PnP Ȃ̂ŁCLinux ɂ PnP Ƃ܂tĂȊO̓
  ܂DCW Linux (1999 ̏߂̎_)ł́CPnP ̈
  ( ISA oX̏ꍇɂ)GɂȂĂ܂DPnP ̌X̖ړI͐ݒ
  ȒPɂ邱Ƃ͂Ȃ̂łcD

  Ӗł́CLinux  PCI oXɑ΂Ă͊ɂx PnP @\
  ĂƂ܂DPC NCXN[ɕ\郁bZ[W
  ꕔ̃foCXhCo䂷n[hEFAfoCX(
  BIOS Ɋ蓖Ă\[X)o邵Ƃɓǎ҂̊F
  CÂ܂D ISA oXł͏Փ˂N邱Ƃ܂
  D

  Linux [ÚCg ISA PnP foCX̐ݒs߂ PnP ̂
  ̂ɂďڂׂKv͂Ȃ͂łD@ 1 ́CISA oX
   PCI oX̗ɂăvO&vCT|[gĂCWꂽ
  o[W Linux J[lp邱ƂłDJ[lւ̃pb`
  Ă܂CقƂǂ̃hCo͂̃pb`ɑΉĂ܂D
  pb`͕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Ƀ\[X𐧌䂷
     ?)''

  o  ``(Reset the configuration?)ݒZbg邩?''

  4.1.  PnP Iy[eBOVXeĂ邩?

  Ɂuyesvݒ肵ĂꍇCPnP BIOS ̓n[hfBXNCrfIJ[
  hCL[{[h PnP ݒn߁CVXeNł悤ɂ܂D
  CPnP BIOS ͐ݒƂ̎dグIy[eBOVXeɔC
  D BIOS  ISA oX ``AC\[V'' sCfoCX͖
  ł邯ǃIy[eBOVXeŐݒłԂɂ܂D
  CPnP Iy[eBOVXeĂȂ BIOS ɐݒ肵Ȃ
  Ȃ܂D̂悤ɓȂƁCBIOS ͐ݒ肵ĂȂ ISA foCX
  ȏԂ̂܂܂ɂ邩܂(??)DPCI foCXݒ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 ݒύXC̈ꕔ܂͑SĂ ESCD ɕۑ
  \܂D ``Windows p ESCD ̐ݒ肪Nꍇ'' 
  QƂĂDǎ҂̊F isapnp  PCI Utilities ̃vO
  gĐݒsꍇC̃vO BIOS ̎sɎs
  C[Uwʂ PnP ̐ݒύX܂D

  4.1.1.  Windows9x Ƒgݍ킹Ă̗p

  Linux Ɠ PC  Windows gĂꍇɂ́CuPnP OS gĂ
  ?(Do you have a PnP OS?)vƂ₢ɂǂΗǂ̂ł傤?
  ʏ(Đ)́CW Linux ɂẮunovƓCWindows9x
  ɂẮuyesvƓׂł傤DC OS ؑւ悤Ƃ
  x CMOS j[蓮Őݒ肵Ȃ΂ȂȂƂ͔̂ɖʓ|
  D@ 1 ́CWindows gp܂߂āuPnP OS 
  ĂȂv CMOS ɐݒ肷邱ƂłDWindows ͂̏(BIOS ^
  ꂽn[hEFASɐݒ肵Ă)ɑΉł邱Ƃ҂ł܂D
  ɁCn[hEFAɐݒ肳Ă邱Ƃ Windows  FłȂ
  ΁CWindows ͂ŐݒsĂ܂삷邱Ƃ҂ł܂D
  CȂɂ܂͍sȂ悤łD Windows ͒PɁCWXg
  i[ĂhCoɓ`邾̂悤łD(BIOS s
  )ۂ̃n[hEFAݒ́CESCD Ɋi[ĂݒłCWXg
  Ƃ͈قȂ邩ꂸCN܂D

  CMOS ̐ݒƃWXg̐ݒ킹@ 1 (B̕@(??))́C
  BIOS ̐ݒ肪uPnP OS ĂȂ(not a PnP OS)vłԂ
  Windows CXg[(܂͍ăCXg[)邱ƂłDs
  ƁC Windows ɂ(foCXhCo) BIOS ݒ肵VXe
  ͂łD̐ݒɂă\[X̏Փ˂Ȃ΁CWindows
  ͂Ԃݒ炸CWXgɕۑł傤DŐ
  삵(Ă HOWTO ŐVłł)CM҂ɂm点
  DƂ̂C삵Ƃ񍐂 1 M҂͎󂯂ĂȂ
  łD

  肪NfoCX 1 ꍇɎƗǂʂ̕@́C
  Windows 炻̃foCX폜邱Ƃł(foCXhCo
  ł傤)DꂩuPnP OS ĂȂ(not a PnP OS)v̏Ԃ
  PC ċNāCWindows ŃfoCXhCoăCXg[܂D
  ̕@܂sǂ͕M҂ɂ͕܂D̕@܂
  sǂC邢͓ǎ҂̊F񂪍s@M҂ɂm点
   ( HOWTO ŐVł̏ꍇɌ܂)D

  4.2.  ǂ̂悤Ƀ\[X𐧌䂷邩?

  ̍ڂ IRQ  DMA \[X̊蓖ĕ@߂܂D̍ڂ
  uauto()vݒ肷ƁCBIOS 蓖Ăs܂Du}jA(
  )vݒ肷ƁC[U̓͂ɂāuKV[(legacy)v( PnP) J
  [ĥ߂ IRQ \񂷂邱Ƃł܂DwsȂ
  ΁CJ[hKV[J[hł邩ǂ BIOS Fł邱ƂF
  łȂƂ܂DBIOS KV[J[h̏m邱Ƃł
  ̂́C[U Windows  ICU(܂͓l̂)s BIOS ɂ
  ̏^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(ꂪłȂJ[h
     ܂)C܂ Windows p̃\tgEFAg܂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  ``J[lɃpb`𓖂''CLinux  PnP Iy[eBOVXe
     ς܂D

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

  5.2.  PnP 𖳌ɂ

  ̃foCX PnP płC𖳌ɂ邱Ƃ͂ł܂D
  ꕔ̃foCXł́CWp(Wp̍\̏ꍇɂ)foC
  Xt Windows pvOgĂ𖳌ɂ邱Ƃł܂D
  ɂCPnP ݒ̖ʓ|ȍƂł邱Ƃ悭܂DJ[h
  g\[X͖Yꂸ BIOS ɐݒ肵܂傤DPnP 𖳌ɂׂł
  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. DOS/Windows ̐p\tgEFAgȂƔ PnP ̐ݒ肪łȂ
     C DOS/Windows gȂȂƂɐݒύXȂ邩
     ܂D

  4. 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

   BIOS SẴfoCXKvƂ郊\[XSēǂݍ݁C
  ݒ肷(\[XfoCXɊ蓖Ă)ƂƂłD PnP OS
  ̑pƂȂ܂CBIOS ̓foCXhCoɍ킹Đݒ肵Ȃ_
  ƁCsݒhCoɋȂ_قȂ܂Ds(ESCD)
  ɕۑĂݒ̎gpD悷ׂłD

  g BIOS ͂̂悤ȐݒT|[gĂ͂łCBIOS 
  ݒ肵ȂƂsSȐݒ邱Ƃ܂DBIOS g
  ̗_͒PȂƂłDƂ̂CقƂǂ̏ꍇݒ肷邱ƂȂ
  ł(BIOS  CMOS j[ŁuPnP OS łȂvƐݒ肷_
  )DCBIOS sݒm邱Ƃ͕KPł͂܂D
  ڂ ``݂̐ݒ͂ǂȂĂ邩?'' QƂĂDʂ̗
  _ƂẮCBIOS  Linux NOɓ삷̂ŁCォNf
  oCXhCoSẴ\[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[^L^^Cv̂̂܂(??)D

  ESCD ͑Ogݒێ邽߂̂̂łCLinux  isapnp 
  PCI Utilities ̂悤(ESCD XVȂ)vOgꍇɂ́C
  ύXꂽݒ肪 ESCD ɓ`܂Do̗ǂ PnP OS  ESCD XV
  ̂ŁC(W Linux ̂悤) PnP  OS ŐݒgƂ
  ܂DWindows sꍇX܂D ``Windows p
  ESCD ̐ݒ'' QƂĂD

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

  foCXO̐ݒn[hEFAɕۑĂȂ΁CPC N
  xɃn[hEFA̐ݒsKv͂܂Dۂɂ͂̂悤
  ͂Ȃ̂ŁCBIOS PnP ŎgĂꍇɂ͑SĂ ESCD f[^
  ɐԂɕۂȂ΂Ȃ܂DESCD ĂȂ BIOS 
  ܂Ĉ悤 BIOS s炩ĂC
   PnP J[hg߂ɗ\񂵂Ă郊\[Xi[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@ 2 ܂D̕@
  1 ́CDOS ܂ Windows 3.x pɍꂽ ICU [eBeBg
  ƂłD Windows 9x/2k ł͂ł(??)Dʂ̕@́C
  Windows 9x/2k Ŏ蓮(uIȁv)ݒsCWindows ̐I
  ɂ̏ ESCD ɕۑ@łDWindows foCX̐ݒ
  Iɍsꍇ([U Windows ŁuݒύXvsĂȂ)ɂ́C
  ݒ͂炭 ESCD ɂ͔f܂(??)DCWindows ͎g
  ݒ ESCD ɕۑĂݒɍ킹邱Ƃ̂ŁCʓIɂ͂
  ܂܈v邱Ƃ܂D

  System Properties --> Device Manager.  2. My Computer --> Properties
  --> Device Manager.  --> Windows9x  PnP Iy[eBOVXeł
  CIɃfoCX PnP ݒs܂DWindows ̓WXg(
  oCił Windows t@CQɊi[Ă܂)̉ PnP f[
  ^x[XǗĂ܂D PnP \[X̑ɂ̐ݒ񂪃
  WXgɓĂ܂D PnP \[X́C݃ɋLĂ
  ̂(ԂقƂǓł)n[hfBXNɊi[Ă̂Ƃǂ
  ܂DWindows98  PnP \[X(ɕێĂ?)
  ɂ́CfoCX}l[WŃfoCXI(NX̃foCX
  ꍇɂ͕Xebv̑ɂȂ邱Ƃ܂)CuvpeBv
  NbNCāu\[XvNbN܂Dݒ蓮ŕύX
  ɂ́Cuݒ̕ύXvNbN܂D̑ɂCݒ̕ύX
  ESCD ɔf͂łD Windows98 ŃfoCX}l[WĂяo
  @ 2 ʂ肠܂: (1) Rg[pl --> VXevpeB -->
  foCX}l[W, (2) }CRs[^ --> vpeB --> foCX}
  l[W

  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

  ̃\[X(IRQ )\񂳂ĂāCPnP Ŋ蓖ĂĂ͂ȂȂ
  (CMOS ݒ胁j[g) BIOS Ɏw肷邱Ƃł܂DBIOS
  ̏ ESCD ɋL^邱Ƃ͂܂DCՓ˂Nꍇ
  ɁC炩ߑIĂ CMOS ̐ݒ ESCD ̐ݒ㏑邩
   BIOS ̃j[őIł悤ɂȂĂ邩܂Dʂ
  @ƂẮCDOS ܂ Windows  ICU s@܂D
  ɕʂ̕@ƂāCICU  Windows9x/2k ɃCXg[Ƃ@
  ܂D̐ݒ́uv̂ŁCWindows  PC Vbg_E
  ꂽ ESCD XV͂łD

  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
  ɋLq\[Xl PnP foCXɐݒ肳܂D̐ݒt@C
  Iɍ邱Ƃł܂CeIvVݒ肷ɂ͎ŕҏW
  ΂Ȃ܂Disapnp gꍇCJ[l̈ꕔłfoCXh
  Co isapnp AhXn[hEFAɐݒ肷ƑOɎs
  ܂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@CҏŴɂ́C"pnpdump" vO֗
  łD"isapnp" ̂悤ɗpC PnP BIOS ꍇɂ́C BIOS
  ɂ(ݒ莞)uPnP OS ĂȂvƎw肵Ȃ΂Ȃ܂D
  ȂC̏ꍇɂ PCI foCX̐ݒ BIOS ɍs킹łD
  BIOS  ISA foCX̐ݒs܂񂪁Cisapnp ͂X
  Đݒ肵܂D

  5.5.  PCI Utilities

  VpbP[Wł PCI Utilities (=pciutils,  "pcitools" 
  Ă΂邱Ƃ܂) PCI oX PnP ݒ蓮ōs悤ɂ
  D"lspci" ̓\[XXg\C"setpci" ̓n[hEFAfoCX
  ̃\[X蓖Ăݒ肵܂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܂
  (P "Configuration Manager" ƌĂ΂邱Ƃ܂)D̃pb`
  肪܂񂵁CŐṼJ[lɓĂ̂
  Dpb`𓖂ĂēJ[l͈肵ĂƂbłCoO
  񍐂Ă܂D̃pb`ɂ́CVA|[g̈
   serial.txt ƂtĂ܂D̃pb`𓖂Ă /proc
  fBNgc[Ɂut@Cv܂D̃t@CŌ݂
  󋵂ׂ܂C̃t@CɃR}h𑗂邱ƂɂĐݒ
  ς邱Ƃł܂D肪 1 ܂DfoCXhCo
  ͂̃pb`z肵ĂȂ̂ŁCݒs߂ɂ͍܂Œʂ̐
  t@CgȂ΂ȂȂƂ̂łDڂ
  <http://www.astarte.free-online.co.uk> QƂĂD

  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.  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Ă͊Tv܂D

  6.  ݂̐ݒmɂ?

  ł́uݒvƂ PnP \[X(AhXCIRQ, DMA)̊蓖Ă̂
  łDufoCXǂ̂悤ȐݒɂȂĂ邩HvƂ₢́CfoC
  XƃfoCXhCo̗ւ̖₢łDꂼCƂȂ͂
  D

  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

  łCsȂꕔ̃hCóCgŊmFĂȂݒ
  󂯕t邱Ƃ܂DႦ΁C"setserial" ͊mFĂȂݒ
  t܂(Ƃ\[X𒲂ׂ悤ɎwꍇłĂ)D̂
  ɁC"setserial" \̂̓hCo̐ݒ肾łCn[hEFA
  ̐ݒ͕\܂D

  ݒ̈ꕔ́CRs[^N BIOS ̃bZ[WƁC
  Linux ÑbZ[W番邩܂DSẴbZ[W
  Ă܂łCShift-PageUp ͂΃bZ[WXN[
  obN邱Ƃł܂DVF̃R}hƂ "dmesg" Ɠ͂
  ƁC Linux ̃J[lbZ[WȂ炢ł\ł܂D
  C(BIOS ̃bZ[W܂)ƂĂdvȃbZ[Wɂ͕\Ȃ
  ̂܂DLinux o͂bZ[ẂCfoCXhColĂ
  ݒ肵ĂȂ܂D̐ݒ͂ƁC肪
  ݒt@Cǂݍ܂Ă邩܂DBIOS ̃bZ[
  W͂̎_ł̃n[hEFAݒ\܂CPnP OS, isapnp, PCI
  Utilities ȂǂォݒςĂ邩܂D

  6.1.  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
  ܂DC荞݂sꂽƎĂĂC
  ̊荞݂́C̃foCXŋN̂ł͂ȂCgpłȂǉ
  ̕@Ŋ荞݂ 1, 2 sʂ̃foCXŋN̂
  DJ[l 2.2 ł /proc c[̓eςĂ܂D

  6.2.  n[hEFAfoCX͂ǂ̂悤ɐݒ肳Ă邩?

  PCI oX̃foCXɑ΂郊\[X̊蓖Ă𒲂ׂ̂͊ȒPłDP
   /proc/pci ܂ /proc/bus/pci/devices (J[l 2.2 ȍ~)Ă
  DISA oX̏ꍇɂ pnpdump --dumpregs gƎv邩
  ܂񂪁C͊mȕ@ł͂܂񂵁Cʂ͔ǂɂ
  ܂D pnpdump uǂݏo|[gAhXvƁu
  foCX I/O AhXvȂłD͓̂ł
  ܂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

  7.  t^

  7.1.  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

  7.1.1.  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|[g̑傫͂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

  7.1.2.  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

  7.1.3.  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

  7.1.4.  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Ƀ\[X蓖
  ͂łC̏ꍇłBĂ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

  7.1.5.  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

  7.2.  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

  7.3.  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

  7.4.  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
  Aԍ̍ł̃rbgɂĂlĂ݂܂傤D PnP f
  oCX 0 (J 0)𑗂 1 󂯎ꍇC͑ PnP
  foCX傫VAԍĂƂƂłD܂C
  ̃foCX͂̃EhꎞIɒEC̃EhI܂ł
  rbgǂݍ܂ȂȂ܂D(EhI_ŏҁC܂
  ł傫VAԍĂfoCXɃnh蓖Ă
  D) ̎CQ[ɎcĂfoCX͑Sē擪rbg(1)
  Ă܂DŁC̃Eh̑ł͂̌菜ċ߂u؂
  l߂VAԍvlΗǂƂɂȂ܂Ď͂̒i
  ̐擪ɖ߂CVAԍŜ𒲂ׂ܂ŌJԂs܂(SĂ 0
  ̏ꍇɂĂ͈ȉQƂĂ)D

  ł傫VAԍQ[菜ȂƂ͖炩łD
  C(؂l߂̂܂߂)VAԍ̐擪̌S 0 ꍇ
  ͂ǂȂ̂ł傤? ̏ꍇɂ́uJ 0vzɑCSĂ
  foCX̓Q[ɎQ܂܂ƂȂ܂DSẴfoCX̐擪̌ 0
  ȂΈɂȂCO̒i1菜̂Ɠ悤0菜
  ܂DꂩQ[͌pC(VAԍ)̌܂D

  Eh̏I(QfoCXcĂ邤̓VAԍ̒ʃrb
  g𑗂葱)ɂ́Cł傫VAԍ PnP foCX1
  c܂D̃foCXɂ̓nh蓖ĂCȍ~̓Q[
  ɎQłȂȂ܂DāCÕEhrŒE(܂nh
  蓖ĂĂȂ)SẴfoCX̓Q[ɍĂюQC1 
  foCX̎QŐVEhn߂܂D̂悤ɂđSĂ PnP
  foCXɃnh蓖Ă܂D̃ASY삷邱
  ͊ȒPɏؖł܂D

  x蓖Ăꂽnh͊e PnP foCXw߂ɎgCPnP 
  ̃foCXݒ̂ƂɎg܂D̃nh PnP ̐ݒ
  ߂ɎĝłCPnP foCXƂ̒ʏ̒ʐMɂ͎gȂ_
  ӂĂDRs[^̋Nɂ̓nh͑SĖȂ̂ŁC
  PC Nx PnP BIOS ̓AC\[Vs܂D

  ȏ

