  The Linux Ultra-DMA Mini-Howto
  Brion Vibber, brion@pobox.com
  v1.45, 6 July 1998
    , sx3m-nkn@asahi-net.or.jp
  v1.45J, 12 July 1998

  ̕ł́AUltra-ATA, Ultra33 ƂĂ΂ Ultra-DMA Ή̃n[h
  fBXNhCuуRg[ Linux Ŏg߂̕@
  Ă܂B mini-HOWTO ̍ŐVł́Aȉ̏ꏊ HTML tH[}bg
  ̂̂肷邱Ƃł܂B http://pobox.com/~brion/linux/Ultra-
  DMA.html
  ______________________________________________________________________

  ڎ

  1. ܂
     1.1 Ɛӎ
     1.2 NWbg
     1.3 ̗
     1.4 쌠ɂ

  2. Ultra-DMA ĉH ȂȂ̂ǵH
     2.1 IDE  EIDEA ATAPI
     2.2 oX}X^ DMA
     2.3 Ultra-DMAA܂̖ Ultra-ATAA܂̖ Ultra33A ܂̖...

  3. UDMA n[hfBXN EIDE Rg[Ƒgݍ킹Ďgp
  4. n[hfBXN UDMA Rg[Ƒgݍ킹Ďgp
  5. Promise Ultra33 IDE
     5.1 Promise g Linux CXg[
     5.2 Promise g킸 Linux CXg[
     5.3 Promise p̃pb`𓖂Ă

  6. Intel TX I{[h UDMA Rg[
  7. VIA VP2 Ƃ̃t@~[̃`bvZbg
  8. UDMA ėp
  9. łȂƂ
  10. mini-HOWTOɏĂȂUDMAɂĂ̏ĂB

  ______________________________________________________________________

  1.  ܂

  ̖̕ړÍAUltra-ATA, Ultra33 ƂĂ΂ Ultra-DMA Ή̃n[
  hfBXNhCuуRg[ Linux Ŏg߂̕@
  邱ƂłBɈӎȂẴfoCX͓Ă܂P[X
  ܂BȀꍇ邱ƂŁAw\グ
  Ƃ\łB܂AꍇɂẮAn[hfBXNɃANZXł
  ɂ邾łr̂ɂȂĂ܂Ƃ̂łB

  1.1.  Ɛӎ

  ̕ɏĂ (̒mɂ) mŁAƓ
  삷͂łBAԂ̂܂邩m܂񂵁A̓]
  ɓ̃G[NĂ܂m܂B܂AȂ̃VXe
  Ɍ̖݊肪\܂B̗RAɏꂽ
  @ł͂܂삵Ȃ܂B킯ł̂ŁAn[h
  fBXNn߂OɁA厖ȃf[^͕KobNAbvƂĂ
  ĂB܂obNAbvƂKȂ̂łAꂩ
  Ƃ悤ɂ܂傤BȂĝ߂łB

  1.2.  NWbg

  Brion Vibber (brion@pobox.com) - ̕܂B

  Gadi Oxman (gadio@netvision.net.il) - Promise p Ultra33 pb`Ɛݒ
  ɕKvȒlǂݏo@Ă܂B

  John G. (prefect@ipass.net) - VIA VP2 ppb`Ə񋟂Ă܂
  B

  Giovanni (giovanni@sudfr.com) - UDMALɂ VIA ֘Ãpb`Ə
  񋟂Ă܂B

  Martin Gaitan - Promise  ide0/ide1 ɐݒ肷Ă܂
  B

  Norman Jacobowitz - Bugged me to add info on the VP3 - VP3 ̏t
  悤ɒĂ܂B

  Andre Balsa (andrebalsa@altern.org) - ̈ʓI UDMA Ɋւ
   Intel TX, SiS, VP1 p̔ėp UDMA ppb`쐬Ă܂
  B

  Masayoshi Nakano - {ɖ|󂵂܂B

  Maxime Baudin - tXɖ|󂵂܂B

  1.3.  ̗

  v1.45, 6 July 1998: ኱̃Abvf[gB Promise Ultra33 ̂߂ Red
  Hat 5.1  2.0.34 J[lppb`Ɋւ̒ǉB

  v1.41, 3 May 1998: ^Cv~X̏CA|҂NWbgɒǉB

  v1.4, 28 April 1998: UDMApėppb`ȂʓIȏA쌠ɂ
  Ă̏͂ǉB

  v1.3, 5 March 1998: VIA VP3 ̏ǉApb`̓ĕ̐PA
  Promise ppb`̏ꏊŐV̂̂ɕύXB

  v1.2, 27 January 1998: Promise Ɋւ̒ǉB

  v1.1, 21 January 1998: VIA `bvZbgɊւV̒ǉA
  Promise Ultra 33 gȂCXg[@ǉAoX}X^ UDMA
  ][hLɂ邽߂̏̒ǉB

  v1.0, 19 January 1998: SGML tH[}bgŎdグŏ̃o[WB

  1.4.  쌠ɂ

  (: ̏͂͌𕹋L܂BeɂĂ͌D悳܂)

  This document may be freely copied and distributed for informational
  purposes. It may not be modified, except for reformatting, without the
  permission of the author. If you wish to translate this document into
  another language you may do so, however you should contact the author
  first so that updated versions of this document can be sent out to
  translators as well as directly to the Linux Documentation Project.

  񋟂ƂړIŎgpA̕RɕAzz
  ĒĂ܂܂BtH[}bgϊ邱Ƃ肠܂񂪁A
  ҂̏ɓe邱Ƃ͂ȂłB̌
  |󂵂ƂƂł΂ĂĂ܂܂BA̍
  ͑OĒ҂ɘAĂBĂ΁AA̕
  Abvf[gۂɁA Linux Documentation Project ɑ̂ƈꏏ
  ɖ҂̕ɂ肷邱Ƃł悤ɂȂ܂̂ŁB

  2.  Ultra-DMA ĉH ȂȂ̂ǵH

  ł IDE ֘A̋ZpɂĊȒPɐ܂B

  2.1.  IDE  EIDEA ATAPI

  ̓hCuɊւÂZpłB݁AXŔĂۂɎg
  Ă肷hCûASCSI łȂ̂̂قƂǂ EIDE łB
  ̒łAݓłeʃhCȗ UDMA (Ultra-DMA) T
  |[gĂ܂B

  2.2.  oX}X^ DMA

  oX}X^ DMA ́An[hfBXN̓]xグ邽߂̋ZpłB
  ̋@\g߂ɂ́A}U[{[hABIOS ăhCuT|[g
  ȂĂ͂Ȃ܂B

  ̋ZpɂĂƂmɂȂ肽́AL̃y[WQƂĂ
  B

  http://developer.intel.com/design/pcisets/busmastr/FAQs.htm

  2.3.  Ultra-DMAA܂̖ Ultra-ATAA܂̖ Ultra33A ܂̖
  ...

  Ultra-DMA ͂낢ȌĂѕŌĂ΂܂Ał͒PɁAUDMA ƌĂ
  Ƃɂ܂B

  UDMA ́Aő 33.3 MB/b (EIDE  2{) Ƃ܂ňȏ̓]x
  ȂA SCSI ɔׂĂ͂邩ɒቿiłƂiIȋZp
  łBŋ߂̃Rs[^ɂ́AUDMA Ή̃hCuƃRg[
  Ă܂AUDMA T|[gĂȂ̃VXełA (Ⴆ
  Promise Ultra33 ̂悤) UDMA Rg[J[h𑝐݂邱ƂŁAX
  s[hAbv͂邱Ƃ\łBJ[h݂̑ UDMA T
  |[gȂÂhCũptH[}X̌ɂLłB

  UDMA ̊TɂẮAL̏ꏊɔɗǂ񂪂܂B

  http://www.quantum.com/src/whitepapers/ultraata/

  ŒӂȂƂȂ̂́AUDMA ͒ʏ̒PȂ DMA ƔׂăP[u
  ̒ƂƂłBł邾P[ȗS 30cm 
  ɂȂ悤ɂĂB

  3.  UDMA n[hfBXN EIDE Rg[Ƒgݍ킹Ďgp

  ͊ȒPłBSĂ UDMA hCu EIDE ƊSɌ݊̂ŁA
  EIDE Rg[ɐڑꍇ́A]̃^CṽhCuƓ悤
  삵܂B Linux ̖ȂFÂ܂܎gp邱
  ł܂BȀꍇ̓]x̍őĺAEIDE ̌Eł
  16.7 MB/bɐĂ܂܂B

  4.  n[hfBXN UDMA Rg[Ƒgݍ킹Ďgp

  ̑gݍ킹ɂẮAꂵƂꂵȂ񂪂܂B
  ꂵƂ́AUDMA Rg[ɂ UDMA ΉhCułȂ]
   EIDE hCuڑ邱ƂłAɂ EIDE Rg[ɐڑ
  ƂƑ傫ȓ]xo\ƂƂłB

  ꂵȂƂ́As̈ł Linux J[lł (ȂƂ
  2.0.34 ł) UDMA ̃T|[g͏\Ƃ͌APCI UDMA J[hɂ
  ͑ST|[gĂ܂Bǂ UDMA T|[g̋@\𓾂̂
  Jł̃J[l (݂ 2.2.108) gp邩AɃ[X
  ł 2.0.35 ҂ȂĂ͂Ȃ܂BA̓_ɂĂ͌s
  J[lp UDMA T|[gppb`JĂ܂B

  ܂A}U[{[hɑgݍ܂A_v^[J[hɍڂĂ邱Ƃ
  ق悤ȁA UDMA Rg[ɂẮAgp邽߂
  pb`𓖂Ă邩̋ZgȂ΂Ȃ܂B

  炱݂̕Ă̂łBpb`̓@₿Ƃ
  eNjbN邽߂ɁB

  5.  Promise Ultra33 IDE

   2 UDMA `lĂāA4܂ł̃hCuT|[g
   PCI J[hłBdlAȉ͈ȉ̏ꏊŒׂĂB

  http://www.promise.com

  ̃J[h Gateway 2000 ̏ Pentium II VXeɓڂĂ
  Bŋ߂̃f͂ǂ܂B

  ŋ߂̊Jł̃J[l (݂ 2.1.108) ɂ PCI IDE Rg[T
  |[g邽߂̔ėp̃R[hĂāAPromise Ultra33 ͎IɔF
  ͂łBAł̃J[l (݂ 2.0.34) ł́Apb
  `KvɂȂ܂B̂߁ALinux ̃CXg[̂
  ȂĂ܂B

  5.1.  Promise g Linux CXg[

  Promise Rg[p̃pb`݂͑܂BAȂ Linux 
  CXg[ƂȂ̂ł΁Apb`𓖂ĂăJ[lč\z
  ̂́uȒPvƂ͌܂B̏͂ł̓CXg[̎菇Љ
  ܂BȂAȉɎAC^[tF[X̐ݒǂݏo@
  Ăꂽ Gadi Oxman Ɋӂ܂B

       CXg[fBXNgpăR\[g悤ɂłȂA
       cat /proc/pci ƃ^Cv邱Ƃ Promise ̃C^[tF[X̐ݒ
       \邱Ƃł܂Bȉɗ܂B

           RAID bus controller: Promise Technology Unknown device (rev 1).
             Vendor id=105a. Device id=4d33.
             Medium devsel.  IRQ 12.  Master Capable.  Latency=32.
             I/O at 0xe000.   (a)
             I/O at 0xd804.   (b)
             I/O at 0xd400.   (c)
             I/O at 0xd004.   (d)
             I/O at 0xc800.   (e)

       ̓ǂݏolgāAR}hC̃p[^Ƃ
       ide2=a,b+2 ide3=c,d+2 J[lɓnĂ΂悢̂łB

  (: a,b,c,d ɂ́AꂼI/O|[gAhXĂB
  ̗ł΁A(b) = 0xd804 Ȃ̂ŁAb+2 ̕ɂ 0xd804+2 ܂
  0xd806 ܂)

  ӂȂƂȂ̂́AɏoĂ͕KȂ̃}Vł
  ̂Ƃ͈vȂƂƂłB

  (: BIOS n[hEFA̍\ŕς܂)

  Ƃ΁A̗ł́A̓IɃZbgׂp[^
  ide2=0xe000,0xd806 ide3=0xd400,0xd006ɂȂ܂B IRQ̒l
  ȂƂ܂Ȃ܂B̗ł́AIRQ 
  ƁA ide2=0xe000,0xd806,12 ide3=0xd400,0xd006,12̂悤ɂȂ܂B 1
  ڂ̃`lgpȂ̂Ȃ (Ƃ΁APromise ɃhCu 1
  ڑȂƂA2̃hCu}X^/X[uŐڑꍇ)A ide3
  ̃p[^͕KKvł͂܂B

  Red Hat 5.1 ̏ꍇ: ܂Au[gfBXN (boot diskette) gė
  グAvvg Enter L[܂BJ[l[hA
  L[{[h̃^CvACXg[@ɂĎ₪܂̂
  ɓĂB₪ĂǂCXg[̂ (source
  media) 𕷂Ăʂ\܂B͂Ȃ̊ɍ
  ł΂ǂIł܂܂BɃCXg[̑I (Select
  Installation Path) ̉ʂ܂̂ŁA Alt-F2 ăR}
  hvvg\܂B cat /proc/pci sA\ꂽL
  eƂ߁AĂуu[gfBXNN܂Bx͍ŏ̃v
  vg̉ʂ linux ide2= (ɏL̐܂BJbR͓Ȃ
  )
   ide3=() Ɠ͂ĂB܂łŁA͖Ȃn[
  hfBXNւ̃CXg[ł͂łB

  (: p[^́uJbRv͓͂Ȃ悤 :-)B܂Aꂼ
  ̓e̓R}hp[^̂ƂƓ̂łB܂Aide3 ȍ~̃p
  [^́AOɂĂ悤ɁA1`lgpȂ̂ł
  Ώȗ\Ǝv܂(mFł))

   LILO ̃CXg[͂ꂾł͂܂s܂B LILO ƃJ[
  lɃpb`𓖂Ă܂ł(ڍׂ͌q)Au[gtbs[pĐق
  Ɠp[^u[ĝтɎœ͂ėグĂB

  Red Hat 5.0 ł̋̓IȎ菇͈ȉ̂悤ɂȂ܂B܂ACXg[
  pu[gtbs[ (Installation boot floppy) gėグAu[g
  vvg rescue Ɠ͂܂B̃t@C[hAT
  v^fBXN (supplemental disk) 悤Ƃ̎w烂j
  ^[L[{[hɂĂ̎ɓĂƁAŌɃR}hvvg
  ̉ʂɂȂ܂B cat /proc/pci Ɠ͂AɏqׂAݒɕKvȐ
  Ƃ߂܂Bꂩ}Vu[gAĂуu[gtbs[
  グ܂Bx́Au[gvvg linux ide2=(Ɏp
  [^Ɠ) ide3=(ɂ) Ɠ͂܂B

  (: RedHat 5.1 ̏ꍇ̖󒍂QƂĂB)

   LILO ȊO͖薳n[hfBXNɃCXg[ł悤ɂȂ
  ܂Bq̂悤 LILO ƃJ[lɃpb`𓖂Ă܂ł́ACXg[
  Ɏgpu[gtbs[gpău[ĝтɐقǂƓp[
  ^͂AグȂ΂Ȃ܂B

  Slackware 3.4 ł̋̓IȎ菇قړlłB܂AȂ̃VXe
  u[gfBXNgAu[gvvgŉ͂ Enter 
  ܂BJ[l[hA[gfBXN悤ɂƂ̎w
  ܂B[gfBXNA[ĥ҂܂Broot Ń
  OCA cat /proc/pci Ɠ͂AɎƂ߂܂B
  }Vu[gAēxu[gtbs[痧グ܂Bx́A
  u[gvvg ramdisk ide2=(Ɏp[^Ɠ)
  ide3=(ɂ) Ɠ͂܂B

  (: JbR͓̂̂͂Ȃ悤 :-)Bꂼ̓e̓R}h
  p[^Ɠ̂łB܂Aide3 ȍ~̃p[^́AOɂ
  Ă悤ɁA1`lgpȂ̂łΏȗ\Ǝv܂ (
  mFł))

   LILO ȊO͖薳n[hfBXNɃCXg[ł悤ɂȂ
  ܂Bq̂悤 LILO ƃJ[lɃpb`𓖂Ă܂ł́ANpɃu[
  gtbs[쐬ău[ĝтɐقǂƓp[^͂ė
  グĂKv܂B

  ̑ Linux fBXgr[V̏ꍇ́AꂼɉĎ኱
  Ă̂Ǝv܂BȀꍇł{IȂ͐ɏqׂ
  ̂ƕςȂ͂łB

  dv: pb` (ɂĂ ``Promise p̃pb`𓖂Ă'' ̏͂ŏq
  ܂) ĂȂԂł́AJ[ln[hfBXNɃANZX邽
  ߂ɂ́AɎ悤ȃu[gp[^KvłB̂߁ALILO 
  ݒ肷ۂɂ (n[hfBXNɃCXg[ꍇłtbs[̏
  ł) CXg[ƑSp[^w肷ƂƂƂĂ
  dvɂȂ܂BƐݒ肳ĂȂƃVXe̓u[g܂B
  u[g LILO Ƀp[^͂ (Ƃ΁Au[gx
  Shift L[ linux ide2=..... Ɠ͂) グ邱Ƃ͉\
  BÂ߂ɂ͕Kvȃp[^oĂȂ΂܂B
  ߂Ȃ̂́Ał邾J[lɃpb`𓖂ĂĂ܂Ƃ
  łBpb`̃J[lu[gł悤ɂĂ܂΁Au[g
  p[^ȂǋCɂȂĂ悭Ȃ̂łBɁA̒m
  ́A(make zdisk ō悤) ȃJ[lu[gtbs[Ƀu[g
  p[^ni͂܂Bu[gp[^n߂ɂ́ALILO
  ₻̑̃[_ (Ⴆ loadlin) gȂ΂Ȃ܂B

  pb`̓ĂȂJ[lCXg[vOł́AɃh
  CuoĂɂ炸 ide2, ide3 ܂Ȃꍇ
  ܂B̖́ASlackware 3.4, RedHat 5.0 Ŕ邱ƂmF
  ܂BƂ RedHat 5.1 ł͉PĂ悤łBɋ
  @ Linux ܂CXg[łȂꍇ́A ide2, ide3 ̑
  ɁAide0, ide1 gĂ݂ĂB (̃eNjbNĂꂽ
  Martin Gaitan Ɋӂ܂)B̕@̌́AJ[l Promise
  Ultra33 ̂ƂI{[hRg[Ǝv킹Ă܂Ƃ̂
  B(łɃI{[hRg[ꍇ͂̓J[l
  ȂȂ܂)B̕@gƁAۂɃhCǔςĂ
  ܂ƂƓlɎ͂ŏЉ菇ŃCXg[邱Ƃł܂B
  ӂȂƂȂ̂́ACXg[̂߂ IDE CD-ROM I{[h
  Rg[ɐڑĂ̂ȂA CD-ROM ̂ȂĂRg
  [uȂ悤ɂȂ΂ȂƂƂłBȂ
   CXg[łȂȂĂ܂܂BCD  hda  hdb ł
  ȂAn[hfBXNɂ ide1 g悤ɂACD  hdc  hdd
  łȂAn[hfBXNɂ ide0 g悤ɂĂB

  5.2.  Promise g킸 Linux CXg[

  \tgEFAIȍ׍H@łȂ̂ȂA؂ȎiƂ
  Ă͂܂BŏЉ@ŁÂł܂
  ͂łBÂł́ARs[^̔JĒ
  ΂Ȃ܂B:  IDE hCuȂO肷̂
  ܂ڂȂ΁ARs[^n[hfBXNAPromise Ultra33 
  Ă}jAƂ̑OɓǂłĂBǂŎs
  āAłǂ΂̂ȂȂĂ܂A\Ȃ
  AłグɂȂĂ܂܂B

  ׂƂ͂ƂĂPłBŋ߂̃}U[{[hɂ͂Ă EIDE R
  g[gݍ܂Ă܂Bn[hfBXN Ultra33 OA}
  U[{[h̃Rg[̃RlN^ɂȂ܂B CD-ROM e[v
  hCuAZip hCułɃ}U[{[h̃Rg[ɐڑ
  ̂ȂAgp̑̃`l(Ⴆ΃vC}̑ɃZJ_)
  ɐڑ邩AƂ肠KvłȂfoCX(Ƃ Zip e[vhC
  u)́AꎞIɊOĂ܂Ƃ̂ȒPł悢ł傤B Linux
  CXg[܂Bꂩ Promise p UDMA pb`_E[h
  AJ[lɂ̃pb`𓖂Ă܂B(̏͂QƂĂB)

  ŃhCuPromiseɂȂ *ق* ł܂BŜ
  ߂ɁAJ[lC[WEu[gtbs[쐬܂ (cd
  /usr/src/linux ; make zdisk Ɠ͂܂)B̃tbs[́ALILO 
  ȂƂɃVXeu[ĝɎgp܂BŜ߂ɁAt
  bs[ 2 āA 1 ͂ƂĂ܂傤B

  āAŏg܂傤BƂ΁An[hfBXN 1 䂫
  ȂāA Promise ɐڑꍇl܂B̏ꍇA
  n[hfBXN /dev/hde ɂȂ܂B

  (vC}̃I{[h (}U[{[h) Rg[ hda, hdb
  ɁAZJ_̃I{[hRg[ hdc, hdd ɂȂ܂)n[h
  fBXN̑䐔𑝂₵ꍇ́APromise̍ŏ̃`l
  /dev/hdfA2 Ԗڂ̃`l̃}X^ /dev/hdgA2 Ԗڂ̃`l̃X
  [u /dev/hdh ɂȂ܂B

  (: ATA (IDE, EIDE..) ̋Kił́ARg[ 1 `lɂ 2
  ܂ł̃hCuڑł܂ (ꂼ}X^AX[uƌĂ΂
  )Bŋ߂̃}U[{[h̑ 2 `l̃Rg[I{[h
  Ă̂ŁAɏĂ悤ɂȂ܂B)

  /etc/fstab ҏWăn[hfBXÑp[eBVɊւSĂ̋Lq
  ܂B́ACXg[̂߈ꎞIɃI{[hɐڑ
  Ƃ̃foCXɐݒ肳Ă (/dev/hda, hdb X) ̂ŁA
  Promise ɐڑ (߂) Ƃ̐ݒ (/dev/hde, hdf X) ɕύX
  ܂B܂ACXg[ɐڑςfoCX (Ⴆ CD-ROM 
  Zip ) āAI{[ȟ̈ʒuɐڑȂ̂ł
  ΁An[hfBXNƓlɐݒύX܂B

  ɗ܂B CD-ROM XvC}`l̃}X^ (/dev/hda)
  ɐݒ肳ĂƂ܂B̏ꍇACXg[̂߂Ƀn[hfBXN
  vC}}X^ɂ邽߂ɂ́A CD-ROM X[u (/dev/hdb) 
  ̓ZJ_`l (̃}X^) (/dev/hdc) ɂȂ΂Ȃ܂B
  āACXg[IA CD-ROM ̐ڑɖ߂̂ɔ
  fstab  CD-ROM ̃foCX̋Lq /dev/hda ɕύX܂B

  LILOgł΁ALILOݒ肵ăhCuwύX̂̂ɂ
  ĂȂ΂܂B (LILO̐ݒɂĂ͂̕ł͐G܂
  B̓IȎ菇m肽́A LILO mini-HOWTO
  <http://sunsite.unc.edu/LDP/HOWTO/mini/LILO.html> QƂĂ)

  (: {JF̂ <http://jf.linux.or.jp/JF/JF-ftp/euc/LILO-
  Mini-HOWTO.euc> ɂ܂)

  YƁAn[hfBXNu[głȂȂĂ܂Aق
  Ău[gtbs[g킴𓾂ȂȂĂ܂܂B
  ہAVp[eBVu[gł悤ɐݒ肵Ă܂傤B
  ɂ rdev R}hgp܂Btbs[hCuɓA rdev
  /dev/fd0 /dev/hde1 Ɠ͂܂BA̓[gp[eBV
  ŏ UDMA hCu̍ŏ̃p[eBVɂꍇ̗łB
  ƏႤꍇ (Ƃ΁Ȁꍇ /dev/hde7 ł) ́Aꂼ
  ̏ꍇɉp[eBVԍgȂĂ͂Ȃ܂B

  u[g܂BłƂ͂܂삷͂łB

  5.3.  Promise p̃pb`𓖂Ă

  Promise Ultra33 ̂߂̃J[lpb`݂܂B́AGadi Oxman
  (gadio@netvision.net.il) 쐬̂łB

  2.0.34 J[lp̃pb`͂
  <http://pobox.com/~brion/linux/promise34.gz> œł܂B̃pb
  ` 2.0.35 (̕Ă鎞_ł܂v[X (ŏIł
  A]p)ł) ͂ȍ~̃J[lł͕Kv܂B
  ÂJ[l܂głAbvO[h邱Ƃ߂܂B
  ÂJ[lɂ̓ZLeB[̌Ȃǂ̃oOĂ܂B

  (: VJ[ĺuÂJ[lɂ͖voOVɓ荞
  ł\܂BAbvO[hOɂ͏\ɏW
  āA̐ӔCōs܂傤)

  RedHat [U[́ÂƂɒӂĂB RedHat 5.1 ̃pbP[
  WɊ܂܂Ă 2.0.34 J[l̓v[XłłBAbvO[h
  邱Ƃ߂܂B

  pb`𓖂Ă邽߂ɁẢĂȂJ[l肵̂ł
  ΁A ftp.kernel.org 肵ĂB

  J[lւ̃pb`̓ĕAč\z̎菇ɂẮA Kernel HOWTO.  
  QƂĂB (: JF ɓ{󂪂܂B)

  xpb`𓖂ĂĂ܂΁Aȉɏ悤ɂ DMA ]g
  悤ɂȂ܂B

       J[lpb`̗Dʂȓ_̂ЂƂ́ATriton (*) hCoJ[lɑg
       ݍ݂΁AoX}X^ DMA ] ("hdparm -d1 /dev/hdx") gp
       ł悤ɂȂƂƂłB

  (: Intel Triton chipset ̂ƁBJ[lč\zۂ̃IvV
  őIł悤ɂȂĂ܂BJ[l̍č\zɊւڍׂ́AJF 
  {̂A Kernel-HOWTO <http://jf.linux.or.jp/JF/JF-
  ftp/other-formats/Kernel-HOWTO/Kernel-HOWTO.euc.html> (̓~[
  TCg) QƂĂ)

  2.0.34 ȍ~̃J[lł͎I UDMA g悤ɂȂ͂łA
  ܂삵ȂƂ悤łBȂAhdparm -Tt /dev/hdx Ńn[h
  fBXN̓]xeXg邱Ƃł܂Bʏ UDMA hCuł
  9.5MB/s x̒lɂȂ܂B

  ܂Au[g LILO gp̂ł LILO ɂpb`𓖂ĂȂ
  ΂Ȃ܂B LILO ̃\[X́A
  ftp://sunsite.unc.edu/pub/Linux/system/boot/lilo/lilo-20.tar.gz 
  肷邱Ƃł܂B܂ALILO p̃pb`́A
  http://pobox.com/~brion/linux/lilo-promise.patch ł܂B

  6.  Intel TX I{[h UDMA Rg[

  ̏񋟂Ăꂽ GadiɊӂ܂B

       Intel TX `bvZbgp̃oX}X^ DMA  2.0.31 ȍ~̃J[l
       T|[gĂ܂B

  ÂJ[lł(Ⴆ Slackware 3.4 ł 2.0.30 ł)A
  Rg[͂ᑬ EIDE [hœ삵삵܂BA
  ̏ꍇłJ[l͂̃Rg[IɔF܂̂ŁA
  邤ŖƂȂ邱Ƃ͂܂B

  TX `bvZbgp UDMA tT|[g̋@\́A ``UDMA ėp'' pb`
  ܂܂Ă܂B

  7.  VIA VP2 Ƃ̃t@~[̃`bvZbg

  ̃Rg[pb`̓ĂȂJ[lłFA
  Ƃ EIDE [hł͓삵܂BÃ`bvZbĝǂꂩ
  głApb`𓖂ĂĂ݂ĂBn[hfBXN̂\
  oƂł悤ɂȂ邾łȂÂƂ
  "unknown PCI device" ƂbZ[W悤ɂȂ܂B

  pb`1́A  http://www.ipass.net/~prefect/ œł܂B
  ́A FIC PA-2007  PA-2011 }U[{[hō̗pĂAVIA VP2/97
  `bvZbgp̂̂łAȊO(VPx ̃t@~[)`bv
  ZbgłÂɂĂ͓삵܂BȂAVIA VP3 ƂV`bv
  ZbgɂẮÃpb`œ삵Ƃ̕񍐂܂BI
  ܂ˁB

  ӓ_́Ãpb`T|[ĝ̓oX}X^[ĥ݂ŁASĂ
  UDMA ̋@\T|[g킯ł͂܂BłPȂ
  EIDE [h͗LpłBoX}X^ DMA Lɂ@ɂẮA
  pb`̒uĂTCgɂwɂĂB

  āAUDMA ̋@\SɃT|[gʂ̃pb`
  http://www.pyreneesweb.com/Udma/udma.html, ł܂B̃pb
  `́AVIA VT82C586B pɏꂽ̂łAVP2, VX3, VPX, P6, AGP
  Apollo Ƃ`bvZbgł삷͂łBCXg[
  UDMA Lɂ邽߂̎菇́AL̏ꏊɂ܂̂łɏ]Ă
  BȂAȂ̃}U[{[hݓIɌ̖݊Ă邩
  ܂BĂ͍f[^͑SăobNAbvƂĂƂs
  悤ɂĂBAxĂ܂΁AƂ͉̖N
  Ȃ͂łB

  VP1 `bvZbgɂẮÃpb`ł܂삷邩ǂ͕s
  łBAȂƂ ``UDMA ėp'' pb`ł̓T|[gĂ
  B

  8.  UDMA ėp

  UDMA ėp̃pb`́AMark Lord 쐬 Triton DMA hCo Andre
  Balsa (andrebalsa@altern.org) ̂ŁÃpb`ɂAȉ
  ̃`bvZbg UDMA ̋@\g悤ɂȂ܂B

  o  Intel TX

  o  SiS 5513 ( SiS 5571, 5598 ĂԂ 5591 `bvɂgݍ
     ܂Ă܂)

  o  VIA VP1 (eXgł)

  ܂Ãpb`͑̃`bvZbgT|[g邽߂̊geՂȂ悤
  ɐ݌vĂ܂B UDMA ėppb` 2.0.29  2.0.33 ܂ł
  J[lł܂삷邱ƂmFĂ܂A2.0.32 ÕJ[
  lł͑ݒ肪KvƂȂ邩܂B

  (܂AGrand Unified (哝) UDMA Patch ƌĂ΂ĂA葽
  `bvZbgT|[gpb`̃x[^eXgݍsĂ܂B
  ̃pb`ł悤ɂȂ̂́A炭߁X[X 2.0.35
  J[l̃[XɂȂ邩Ǝv܂B)
  ݂̃J[lp UDMA ėppb`
  http://pobox.com/~brion/linux/udma-generic-latest.tar.gz, _E
  [h邱Ƃł܂Bgp@ɂẮAĂ INSTALL 
  UDMA.txt ǂ݂B

  ȉ͍҂̒ӓ_łB

       IBM  UDMA hCuƗǎ̃}U[{[h̑gł̃f[^]x
        (hdparm -t -T Ƃčs܂) ƂAőŖ 10MB/s łB

       Intel TX `bvZbǵAn[hfBXÑf[^p FIFO  1 
       炸A 2  IDE Rg[ŋL悤ɂȂĂ܂B̂
       ߁A2  UDMA hCugpꍇɂ́A1 ̃hCû݂gp
       ̂悤ȃptH[}X̑啝Ȍ͖]߂Ȃł傤B
       ɑ΂ASiS5598 ͊SɓƗ 2 ̃Rg[ĂA
       p FIFO Ă܂B̂ SiS5598 `bvgp}U[{
       [hł́Amd hCo (*)  2 ̃hCugăXgCsO邱
       ƂŁA_Iɂ 66MB/s ̃o[Xg]ɒ킷邱Ƃł̂łB
       SiS5571 ͓A[LeN`̃Rg[Ǝv܂BVIA `bvZbg
       ẮA̓f[^V[gĂȂ̂ŉƂ\グ܂B

       (: md ɂẮAJF  ROOT RAID HOWTO QƂĂ)

       Mark Lord ̍쐬 Linux IDE (U)DMA J[lhCóAɃZbgAbv
       ^C (Ƃ΃f[^]̃CeV) ̒lȂĂ܂B
        (Linux j[XT[ô悤) ȃf[^]pɂɋN悤
       ł͌ʓIłB
       ꍇɂĂ͐\ʂ SCSI 邱Ƃł傤B

  9.  łȂƂ

  A̕SɗȂA܂͉܂ȂƂ
  Aǂł܂ÂĂ̂AgpĂ UDMA Rg[ (
  I{[hłA_v^J[hł) ͉An[hfBXN͖{ UDMA
  ɑΉĂ̂ (Ƃ EIDE Ȃ̂)AǂɂǂhC
  uڑĂ̂ (SẴhCuɂ)ALinux ̃o[W (
  fBXgr[VƃJ[l̃o[W) ͉Ȃ̖
  ȂƂ̓IɏA comp.os.linux.hardware ɓeĂ݂Ă
  Bɖɗ񂪓̂ł͂ȂƎv܂B

  10.  mini-HOWTOɏĂȂUDMAɂĂ̏ĂB

  ΂炵! ̒mȂȂAЎ (brion@pobox.com) 
  ĂɑĂBɂ̕ɔfƎv܂B

  (: {łɊւĂCÂ̓_܂A  sx3m-
  nkn@asahi-net.or.jp ܂łm点BȂA̍̕쐬ɓ
  ėLvȂA Y ق JF ̊FɊӂ
  ܂B)

