  v2.1, 9 September 1997 XFree86 ӥǥ HOWTO
  Eric S. Raymond <esr@thyrsus.com> 
   칬 Kazuyuki Okamoto <ikko-@pacific.rim.or.jp>
  Hiro Sugawara <hiro@arkusa.com> 
  v3.0, 8 August 1997

  XFree86 ˤƤ긵Υɤ˥Ȥ߹碌ǤɤΤ褦 mode 
  뤫ޤ XFree86 ʪϸߤۤȤɤɸŪȤ
  碌˴ؤƹǤ餷ǽäƤޤʸϡ
  mode Ԥǽʥ˥ȤƤѤäϡɥ˥ޥ
  ĴǤޤxvidtune ȤäƤ긵Υ˥
  ޤŬƤʤɸŪ mode ԤѹΤ˽ˤʤ뤫⤷ޤ
  
  ______________________________________________________________________

  Table of Contents:

  1.      Ǥ

  2.      ʸ

  3.      ӥǥǥץ쥤ư

  4.      ǥץ쥤ȥץˤĤƤδμ

  4.1.    ˥ΥӥǥӰ :

  4.2.    ɤä椹뤫 :

  5.      ܻͤɤ

  5.1.    ӰˤĤ :

  5.2.    ƱȿȺ® :

  6.      ƥιˤȥ졼ɥ

  7.      ׵

  8.      ե졼ॵη׻

  9.      ѤƱ

  9.1.    ʿƱ :

  9.2.    ľƱ :

  10.     ΤΤޤȤ

  11.     ˥λͳ

  12.     󥿥졼⡼ɤѤ

  13.     

  14.     ɽ꽤

  14.1.   ˤƤ

  14.2.   岼ưƤ

  14.3.   ľȿʿξĤǤ

  14.4.   ʿ˹ () 

  14.5.   ľĤǤ (餻Ƥ) 

  15.     ˥ץåȤ롣

  16.     ϼԡ󶡼ԤˤĤ
  ______________________________________________________________________

  1.  Ǥ

  ˤϡȤǤˤƤΤ߻ѤƤ¤Ҥ
  ͳλͤǻѤ˥ȤȤξ˾㳲Ϳǽ
  ޤܺ٤ʷٹˤĤƤ ``˥λͳ'' ɤǤ

   HOWTO κǿǤ Linux Documentation Project
  <http://sunsite.unc.edu/LDP> Υ֤Υڡˤޤ

  ɤΤΨľʤɾȽ䤴Ƥ esr@snark.thyrsus.com ޤ
  ꤤޤȤΥ˥üˤĤˡβòꤹ
  Żҥ᡼դʤǤʤȤ򤷤Ƥ⡢λ̵֤
  ̤ˤƤʤ򤤤餤餵Ǥ顣ΤäƤƤλ
  Ǥˤ˽񤫤Ƥޤ

  2.  ʸ

  XFree86 ФѤȡ桼ϼʬΥӥǥ֥ƥꤷ
  ơ¸ΥϡɥɤˡǻȤ褦ˤʤޤμ
  ϡӥǥɤȥ˥Ŭ˻Ѥ뤿λĴοͤʬ
  ǡ뤫ٶȤʤ뤳ȤŪȤƤޤ

  ǤϤޤ XFree86 Ф򲿤Ȥưˡ󼨤
  ä˼¸򤷤ʤ餤ѹƼʬιߤ˺Ŭ뤿
  ޤ

  XFree86 3.2 Ϥ硢XFree86  ľܤ˥ӥǥĴͤ
  ռˡư˥ ⡼ Ū˴ñ˺
  XF86Setup(1) ץ󶡤Ƥޤäơºݤ˴äȤʤ
  ˥ ⡼ ϤۤȤɤξ硢׻ɬפϤޤ󡣻ǰʤ
  XF86Setup(1) ˴Ĥ¤ꡢ1280x1024 ޤǤɸŪʥӥǥ 
   ˤĤƤäƤޤ󡣤ȤƤǽ 1600x1200 㤷
  Ϥʾ夬ǽʥ˥äƤϡ̤˼ʬȤǴäȤʤ
  ˥ ⡼ ׻ʤФޤ

  Ƕ XFree86 ˤ  xvidtune(1) Ȥġ뤬°ƤޤȤ
  ʤ褦ˤʤС˥ modeline λĴ˼¤ΩĤΤ
  ʬäƤǤ礦Υġϴְ㤨ƻȤäη̤ˤĤ
  äȤٹФƵưޤʸǸäƤ뤳Ȥˤ褯
  xvidtune ɽȢΤꤲʤͷΰ̣狼褦ˤ
  ޤٶСäƸΨŪ xvidtune Ȥ褦ˤʤϤ
  Ǥ

  ۤȤưƤ⡼ɤäƤ (äˡäꤷƤ
   VESA ⡼ɤϺҴäꡢꡢ礭ꤹǤ
  ꤷƤǤ礦) ä ``ɽ꽤'' ᤫ
  ϤƤĴͤ礦ɤͤ˶Ťˡ򶵤
  ƤǤ礦

  xvidtune(1) äƤ硢X ιեѹʤǤޤ
  ϡX ФκƵưʤˡΤޤޤξ֤ǿ⡼ɤΥƥȤ
  ޤ¾ XFree86 ϥۥåȥ XF86Config ե Ƥ
  ۤʤ⡼ɴ֤ưǤޤ (ܺ٤ˤĤƤ XF86Config.man 򻲾Ȥ
  ) Ϻä֤鼫ʬȤƤʵǽǤ
  xvidtune(1) äƤ硢X ιեѹʤǤޤX
  ФκƵưʤˡΤޤޤξ֤ǿ⡼ɤΥƥȤ
  

  ۥåȥꥹȤ Ǹ ɲäƤ⡼ɤưʤä
  ȤݸˡưƤ⡼ɤɸͤȤƻĤƤƤ

  3.  ӥǥǥץ쥤ư

  ӥǥǥץ쥤ưΤ뤳Ȥ XF86Config եοʾ
  ˤɤʿ뤫򤹤ǽפǤͤ XFree86
  Фǥץ쥤ϡɥ٥椹Τ˻Ѥޤ

  ǥץ쥤ϥɥåȤνޤ꤫ɽޤΥɥåȤ򺸤鱦
  ¤٤ޤ夫鲼¤٤ƲޤɥåȤ
  ǥץ쥤Żҥӡá줿Ȥȯޤ줾
  ɥåȤ˶ѰŻҥӡƤ뤿ˡΥѥǥǥץ쥤
  ޤ

  Υѥϥ꡼κ夫Ϥޤꡢؿľ꡼ڤ
  褦ꡢ꡼αüǰöߤޤŻҥӡϥǥ
  ץ쥤κü˰ưܲ˰ưޤϥǥץ쥤κ
  鱦غǽ褦ޤΥѥǥץ쥤ΰ
  ֲޤǷ֤ޤ줫Żҥӡबǥץ쥤κ夫鱦
  ǰư顢ޤǽ餫鷫֤ޤ

  εǽˤ̤μबꡢ󥿥졼ȸƤФƤޤϡǽ
  Ⱦե졼Ǥϰ֤줺ܤȾե졼ǻĤ
  ȤΤǤ

  ǥץ쥤κŻҥӡγϥե졼λϤޤȸƤФޤ
  ե졼ϡŻҥӡबǥץ쥤αޤϤƤ麸˺Ƥ
  ä褿Ȥ˽λޤե졼ϥǥץ쥤ΰ־夫ֲ
  ǤƤŻҥӡǽƤޤ

  ⤷Żҥӡबե졼ưƤ֤äȡ֥פä顢ǥ
  ץ쥤ƤΥɥåȤƤޤǥץ쥤αˤϹʬϤ
  ʤǤ礦ƥǥץ쥤αǤϡŻҥӡ椬񤷤
  ǲĶʤƤޤǤ礦Ĥߤ򸺤餹ᡢǥץ쥤α
  ΥɥåȤˤϡŻҥӡबϤƤ⡢ɥåȤʤ褦ˤʤäƤ
  ǥץ쥤μºݤɽΰ褬ʤäƤΤϡ
  櫓ʤΤǤ

  ⤦򤷤ƤۤפʤȤϡɽΰ褷Ƥʤ
  ŻҥӡबɤʤäƤ뤫ȤȤǤǥץ쥤βü褹
  뤿˻ȤϤä֤ϡŻҥӡ򱦤ü麸üޤ
  ĲμΥ饤˰ư뤿˻Ȥޤǥץ쥤ξü
  Ӳü褹뤿˳ݤϤä֤ϡŻҥӡǥץ
  α麸ޤǰư뤿˻Ȥޤ

  ץɤϥǥץ쥤ŻҽƤƤΥɥåȤǲ
  褦ʿޤޤɤŻҥӡब麸˰ư
  ưܲȤ˿ʿƱȸƤФ뿮ޤƤΥ饤
  κǸ˰ĤοʿƱ椬ȯޤˡץɤŻҥ
  ǥץ쥤κ˰ư뤿οľƱޤ
  ľƱƤΥե졼ν᤯˺ޤ

  ǥץ쥤ˤϡŻҥӡΰ֤ꤵ뤿ᡢʿƱȿľ
  Ʊû֤;͵ɬפǤŻҥӡΰ경ʤ
  ȡꤷޤ

  ΤۤǡȤ褦ˤʤ褦ƤӤδ
  ܻ˿ޤ

  4.  ǥץ쥤ȥץˤĤƤδμ

  XF86Config ܤ򤵤ˡδŪʻΤäƤɬפ
  ޤ

  o  ѤǤ˥οʿƱȿľƱμȿ

  o  ӥǥץưåȿʤ"ɥåȥå"

  o  ˥μȿ

     ˥Ʊȿ :

  ˥οʿƱȿϡΥ˥ 1 ô֤ʿο
  Ȥǡϥ˥ˤĤƺǤפǤľƱȿϡ
  ˥ 1 ô֤Żҥӡ˹Ԥä褿ꤵ뤳ȤΤǤ
  ΤȤǤ

  Ʊȿ̡˥Υޥ˥奢λͤǤ˰ˤʤäƤޤ
  ľƱȿοͤϰŪ Hz (β) ǡʿƱȿ
  KHz () Ƿ¬Ƥޤ̾ϰϤϿľˤĤƤ
  50  150HzʿˤĤƤ 31  135KHz ٤Ǥ

  ޥ󥯥˥ξ硢μȿΤͤȤɽƤ
  ̤ΤΤ¿ΤǤʣθꤷȿäƤ˥
  ޤΤ褦ʥ˥̤Υ˥ƱͤϽޤ
  λħ˸¤ƤޤǤ礦ǹβ٤
  ʺǤ⤤ʿƱȿľƱȿȤ߹碌򤷤Ƥ
  ơȿ˥Ǥ߷ͤ⤤ȿͿȥ˥ˤ
  줬ΤդƤ

  ʸνǤǤϡɤǽ뤿ܾ̾κǹοľƱ
  ȿꤷޥ󥯥˥λͳѤˤʤ̵Ǥ
  ηٹФ뺬ŦǤͳˤޤʹߤ ``˥
  ͳ'' Ǹڤޤ

  ɤζưåμȿ :

  ӥǥץλͽ˥ɤΥɥåȥåޤ (ɥåȥ
  Ȥϲ̤ 1 ô֤ɽǤǤ) ξ̵ϡX
  ФäƤޤX ˥Ϥ̵ˤƤޤä
  ⡢åȤ¾ξɸϤǤФޤξե
  ˥쥯Ȥ硢󥽡äƺΩ夲ʤФʤʤ
  ʤäƤե¸ޤ(Ƕ X  ǤϤ٤ơå
  Ȥ¾ξϤ X ºݤ˵ưʤǥӥǥ⡼ɤѹʤ
  -probeonly ץ򥵥ݡȤƤޤ)

  X γϻΥåϼΤ褦˻ƤǤ礦:

  XFree86 ѤƤ:

        XF86Config: /usr/X11R6/lib/X11/XF86Config
        (**) stands for supplied, (--) stands for probed/default values
        (**) Mouse: type: MouseMan, device: /dev/ttyS1, baudrate: 9600
        Warning: The directory "/usr/andrew/X11fonts" does not exist.
                 Entry deleted from font path.
        (**) FontPath set to "/usr/lib/X11/fonts/misc/,/usr/lib/X11/fonts/75dpi/"
        (--) S3: card type: 386/486 localbus
        (--) S3: chipset:   924
                            ---
            åץå -- ΤʥåפηǤ86C911 ΤΤǤ

        (--) S3: chipset driver: s3_generic
        (--) S3: videoram:  1024k
                            -----
                 ե졼Хåե礭Ǥ

        (**) S3: clocks:  25.00  28.00  40.00   3.00  50.00  77.00  36.00  45.00
        (**) S3: clocks:   0.00   0.00  79.00  31.00  94.00  65.00  75.00  71.00
                          ------------------------------------------------------
                                      ưǽʼȿ MHz ɽޤ

        (--) S3: Maximum allowed dot-clock: 110MHz
                                            ------
                                           Ӱ
        (**) S3: Mode "1024x768": mode clock =  79.000, clock used =  79.000
        (--) S3: Virtual resolution set to 1024x768
        (--) S3: Using a banksize of 64k, line width of 1024
        (--) S3: Pixmap cache:
        (--) S3: Using 2 128-pixel 4 64-pixel and 8 32-pixel slots
        (--) S3: Using 8 pages of 768x255 for font caching

  SGCS X ޤ X/Inside X ȤäƤ:

        WGA: 86C911 (mem: 1024k clocks: 25 28 40 3 50 77 36 45 0 0 79 31 94 65 75 71)
        ---  ------       -----         --------------------------------------------
         |     |            |                 ưǽʼȿ MHz ɽ路ޤ
         |     |            +-- ܡɾΥե졼Хåե礭
         |     +-- åפη
         +-- Фμ

  : ʤ٤κȤϥޥ٤㤤˹ԤʤäƲX ϥ
  ꥱǤ顢ǥưȻĴΥ롼פͤȡ
  οΤˤʤޤ󤫷֤¹Ԥ礭ư
  ȤΤƲ⤷ư礭ˤϡꤹޤǥץ
  򻦤ƤߤƤSVr4 (ƥ V ꡼ 4)  ѤƤ
  : mousemgr (ޥޥ͡) ץä˺θǤ

  Τ褦Τ򤱤뤿ᡢ줿åο򤽤Τޤ
  Clocks ץѥƥͤȤ XF86Config ˼ǲϻ
  ĴΥ롼פ޻ߤX Ƥߤ뤳ȤΤǤ륯åͤΤʰ
  Ϳ뤿Ǥ嵭ΥǡȤȡΤ褦ˤʤޤ:

        wga
                Clocks  25 28 40 3 50 77 36 45 0 0 79 31 94 65 75 71

  ⤯Ѥ䤹٤ݤäƥǤϡˡ X εư˴
  뤳ȤԻ׵ĤʼԤ򤹤ˤʤǤ礦X ư
  ƥ٤ΤǴְäͤƤޤconfig ǡ١
  ٤ɥåȥå򸫤Ĥ뤳ȤʤäꡢְäΤ򸫤
  ƤޤȤΤǤ

  4.1.  ˥ΥӥǥӰ :

  XFree86 ¹ԤϡФɤõΤƻѲǽʺǹΥɥ
  ȥå򶵤Ƥޤ

  ʤСǹλѲǽʥɥåȥå˥ΥӥǥӰ
  鳵ޤ礦ͿΤ¿Ǥ㤨Сܾ̾Ӱ
   30% ưǤ˥⤢ޤɾƤ˥οľƱ
  ȿѤ뤳ȤǤꥹˤĤưʹߤǾܺ٤ޤ

  ӰΤ뤳Ȥϲǽʹ긭򤬤Ǥ褦ˤʤ
  ʤΥǥץ쥤ɽʼ (ä˹٤ΤΥ㡼פ) ˱
  ڤܤޤ

  ˥ΥӥǥӰϥޥ˥奢λͤǤ˺ܤäƤޤ̵ä
  ϡ˥κǤ⤤٤ΤȤ򸫤Ƥ٤Ӱ
  (ĤޤѤǤɥåȥåޤʾ) ꤹ뤿ηи
  §򲼤˼ޤ

                640x480                 25
                800x600                 36
                1024x768                65
                1024x768 interlaced     45
                1280x1024               110
                1600x1200               185

  ȤǡɽŪʤΤǤϤޤ󡣤οɸŪ
  XFree86 ⡼ɥǡ١ǤβκǤ㤤ɥåȥåǤ
  ˥Ӱϰ־β٤׵ᤵǾӰ⤤Ǥ礦
  顢줺˥ɥåȥå MHz ˻ƤߤƤ

  ޤɥåȥå 65MHz ̤㤤ˤӰϤۤȤ
  ʤʤȤդƤSVGA ۤȤɤι٤Υ˥
  ϡϥ˥ΥӥǥӰθ³Ϥ뤫㤤ȿǤ
  顣򼨤ޤ:

                ֥̾                      ӥǥӰ
                ----------                      ---------------
                NEC 4D                          75Mhz
                Nano 907a                       50Mhz
                Nano 9080i                      60Mhz
                Mitsubishi HL6615               110Mhz
                Mitsubishi Diamond Scan         100Mhz
                IDEK MF-5117                    65Mhz
                IOCOMM Thinksync-17 CM-7126     136Mhz
                HP D1188A                       100Mhz
                Philips SC-17AS                 110Mhz
                Swan SW617                      85Mhz
                Viewsonic 21PS                  185Mhz

  ֲΥ饹Υ˥Ǥ⡢٤˴ؤ˥ӥǥӰ
  뤳ȤϤޤNEC ޥ II ɤǤ (ͤˤ
   800x600ɽʤ) Υǥץ쥤 800x560 ΤɽǤ
  Τ褦٤ξϡ⤤ɥåȥå礭ʥӥǥ
  ɬפȤʤ¿ʬ 32Mhz  36Mhz ǽʬǡξμȿȤ
  ΥӥǥӰǤ30Mhz 餽Υ줿ͤǤϤޤ

   2 ĤưȿǤϡǥץ쥤λäƤǽ꤯ä
  ɽʤ⤷ޤ󤬡Ǥ⤫ʤʼȸڤäƤ⤤
  礦NEC ޥ II äȹ⤤㤨 36MHz ӥǥ
  ӰäƤ˱ۤȤϤޤ󡣤礭Ĥ
  ȿΥƤʤСʸϤԽΰŪʺȤˤ
  Ϥޤ (⤷Ĥߤޤˤ礭ˤϡܤǸƤ
  狼Ǥ礦) 

  4.2.  ɤä椹뤫 :

  ˥ƱӰϡӥǥץΥɥåȥåȶˡɽ
  ǹβ٤ꤷޤϡɥǽФΤϥ
  饤ФǤɤʤͥ줿ӥǥץ˥Ǥ⡢ɤǥХɥ
  ФʤλˤʤäƤޤޤͭǽǤʤϡɤ
  ¿Ū˻ѤǤǥХɥ饤ФнʬΩޤ줬
  XFree86 ߷ůؤǤ

  5.  ܻͤɤ

  Ǥϻ̣ͤ뤫ȡ¾ΤʤФʤʤȤ
  ޤ褺ǽˡ򤷤ޤ˷׻򤹤˻Ȥѿ̾
  Ǽޤ
  [ : ˤޤ]

     horizontal sync frequency (HSF)
        Horizontal scans per second (see above).

     ʿƱȿ (HSF)
        äοʿ (嵭) 

     vertical sync frequency (VSF)
        Vertical scans per second (see above).  Mainly important as the
        upper limit on your refresh rate.

     ľƱȿ (VSF)
        äοľ (嵭) ˺®٤ξ¤Ȥƽס

     dot clock (DCF)
        More formally, `driving clock frequency'; The frequency of the
        crystal or VCO on your adaptor --- the maximum dots-per-second
        it can emit.

     ɥåȥå (DCF)
        ˤϡ`ưåȿ'; Ŭ`Ӱ'ȸƤ֡
        ץȯҤޤ VCO μȿ --- ǽɥåȿκ
        硣

     video bandwidth (VB)
        The highest frequency you can feed into your monitor's video
        input and still expect to see anything discernible. If your
        adaptor produces an alternating on/off pattern, its lowest
        frequency is half the DCF, so in theory bandwidth starts making
        sense at DCF/2. For tolerately crisp display of fine details in
        the video image, however, you don't want it much below your
        highest DCF, and preferably higher.

     ӥǥӰ (VB)
        ˥ΥӥǥϤߡ̤Ǥ벿Ԥ
        Ȥǹμȿץ󥪥ڤؤΥѥ
        硢μȿ DCF Ⱦʬˤʤޤä
        Ӱ DCF/2 Ϥ뤳ȤǤȻפޤ٤ʾ
        ٤ΤäꤷɽʤСǹ DCF ߤʤ
        ǡߤǹˤƤޤ礦

     frame length (HFL, VFL)
        Horizontal frame length (HFL) is the number of dot-clock ticks
        needed for your monitor's electron gun to scan one horizontal
        line, including the inactive left and right borders.  Vertical
        frame length (VFL) is the number of scan lines in the entire
        image, including the inactive top and bottom borders.

     ե졼Ĺ (HFL, VFL)
        ʿե졼Ĺ (HFL) ϥ˥ŻҽƤ 1 ĤλȤƤʤ
        ζޤʿΤɬפʥɥåȥåοľ
        졼Ĺ (VFL)ϻȤƤʤȲζޤരʲ̤
        οǤ

     screen refresh rate (RR)
        The number of times per second your screen is repainted (this is
        also called "frame rate").  Higher frequencies are better, as
        they reduce flicker.  60Hz is good, VESA-standard 72Hz is
        better.  Compute it as

                   RR = DCF / (HFL * VFL)

     ̺® (RR)
        äβ̺⤤ۤĤ㸺ޤ60Hz
         VESA ɸ 72Hz ɤǤ礦׻ϤΤ褦ˤ
        ޤ

                   RR = DCF / (HFL * VFL)

        [ : ꡣ]

        ʬˤѤϥ˥ɽ٤ǤϤʤ餫礭
        դƤˤĤƤϰʹߤǾܺ٤ޤ

        󥿥졼⡼ɤμȿϼºݤȾʬΥե졼μȿǡ
        87Hz interlaced Τ褦˻ꤷޤ:ŵŪʥǥץ쥤β
        ΤǤϥեåФ褦ʼȿǤƤñȾʬ
        μǺ褵ޤ׻ΰտޤϥ󥿥졼ɽμȿ
        ̥ե졼κ®㤨 43.5Hz ׻뤳ȤǤ
        졼⡼ɤե졼μȿɽ󥿥졼Ǥʤ
        ɤɽʼͥƤޤμ¤ɤʤȤϥ
        졼ǤʤȿȾʬΥե졼μȿ˰פǤ

  5.1.  ӰˤĤ :

  ˥¤ҤӰ̤ϤȿѲΥ㡼פ󤹤Τǹ
  ӰǤ뤳ȤޤӰ礭ۤɡ٤ɽ
  뤳ȤǤޤ

  ˥ŵѤƲɽޤϰöǥ뤫饢ʥ
  ؤѴȡĤͤ˥ʥȷȤƼ갷ޤ¿
  Ρꤷȿñȷȹ礻Ǥȹͤ졢¿
  MHz ϰϤ㤨 20MHz40MHz 70MHz äꤷޤ˥
  ӥǥӰϻ¾Ĥߤ̵ȤΥʥǤ

  ãŪΤˤϡӰϼ˻ѲǽʥɥåȥåΤ褽
  ¤ȤƽפǤ

  5.2.  ƱȿȺ® :

  ̾οʿϥե졼ĹǼºݤɽʬǤ
  νִ֤ˤϤäĤ̤˵ƤΤǤ®
  ٤ʬ®Τܤˤ䤨̵Ƥβ""ȤǤ

  ǤĤγǲ⤷ޤ :

  ______________________________________________________________________
       _______________________
      |                       |     ʿե졼Ĺ
      |->->->->->->->->->->-> |     ŻҥӡबΤ褦
      |                      )|     ѥɽ
      |<-----<-----<-----<--- |     Ǥ
      |                       |
      |                       |
      |                       |
      |                       |
      |_______________________|
       _______________________
      |        ^              |     ľե졼Ĺ
      |       ^ |             |     ŻҥӡबΤ褦
      |       | v             |     ѥɽ
      |       ^ |             |     Ǥ
      |       | |             |
      |       ^ |             |
      |       | v             |
      |       ^ |             |
      |_______|_v_____________|
  ______________________________________________________________________

  ºݤΥ饹ϤȤƤ٤Υѥ򤷤Ƥơ
  ŻҥӡबưƱ˾岼ˤưƤޤ

  ơɥåȥåȥե졼礭Ϻ®٤˴طȤ
  Ȥʬޤ塢 1 إ (hz)  1 ä 1 Ǥ줫
  顢ʿե졼Ĺ HFL Ȥľե졼Ĺ VFL ȤƤβ
  ̤ʤˤ (HFL * VFL) ɥåȥåɬפǤɤ
   DCF 󿮹ФƤޤΤǡ餫˥˥ŻҽƤϺ鱦
  äơءäƤ DCF / (HFL * VFL) 󡢲̾ư
  Ǥò̤ľƤ뤫ɽ路ƤΤǡ
  ̤κ®٤ʤΤǤ

  ٤ȤĤδطȥ졼ɥդδطˤΤǡʬ׵˱
  Ԥʤˤγǰ򤹤ɬפޤ

  ƥȤϻФʤʬΤǼ˴طޤޤ:

  ______________________________________________________________________
          RR                                      VB
           |   min HSF                     max HSF |
           |    |             R1        R2  |      |
  max VSF -+----|------------/----------/---|------+----- max VSF
           |    |:::::::::::/::::::::::/:::::\     |
           |    \::::::::::/::::::::::/:::::::\    |
           |     |::::::::/::::::::::/:::::::::|   |
           |     |:::::::/::::::::::/::::::::::\   |
           |     \::::::/::::::::::/::::::::::::\  |
           |      \::::/::::::::::/::::::::::::::| |
           |       |::/::::::::::/:::::::::::::::| |
           |        \/::::::::::/:::::::::::::::::\|
           |        /\:::::::::/:::::::::::::::::::|
           |       /  \:::::::/::::::::::::::::::::|\
           |      /    |:::::/:::::::::::::::::::::| |
           |     /     \::::/::::::::::::::::::::::| \
  min VSF -+----/-------\--/-----------------------|--\--- min VSF
           |   /         \/                        |   \
           +--/----------/\------------------------+----\- DCF
             R1        R2  \                       |     \
                            min HSF                |    max HSF
                                                   VB
  ______________________________________________________________________

  ϰŪʥ˥Υ⡼ɥǤ x ϥ
  åȿ (DCF) y Ϻ® (RR) ̣Ƥޤ
  ɤ٤Ƥΰϥ˥ΥӥǥɽǤΰǤΰ
  ΤɤȤäƤɽǽǤ

  `R1'  `R2' Υ٥Ĥ (640x480 Τ褦) ٤̣
  ƤꡢĤβ٤ʣΰۤʤɥåȥåȺ®٤Ȥ߹
  碌ǤɤäƼ¸Ƥ뤫޲򤷤Ȥ̣ƤޤR2 
   R1 β٤⤤ɽƤޤ줿ΰξȲζ
  ñ˿ʿľƱȿθ³ͤɽƤޤӥǥӰϥ
  åȿξͤǡΤΰαοľζޤ

  ``˥ǽץåȤ'' ǤΤ褦ʥץåȤ
  äΥ˥νˤޤ (X graphics ǤϤʤΩĤ
  礦) ǤϤޤ̣ʿƱȿθ³ΰζ
  ΤˤĤޤ

  6.  ƥιˤȥ졼ɥ

  ˼ϡΤ褦ѷǤޤ

                DCF = RR * HFL * VFL

  ĤޤꡢɥåȥåȤȡô֤ˤΥɥåȿ
  ®١ʿ٤ޤϿľ٤˿ʬ뤳ȤǤȤ
  ǤοΰĤ䤹¾ο򸺤餵ʤФʤޤ

  ®٤ϥ˥κľƱȿĶ뤳ȤϽޤ
  ΤǡդƤäͿ줿ɥåȥåͿ줿
  ǤϡʬǶʤե졼ĹѤκǾʲˤʤޤ

  ʬֻˡRR 㤹硢̤ΤĤǴ򤷤
  ȤФƤ

  ¿ʬ®٤ 60Hz ʲ˲̵Ǥ礦ָΤĤ
  ®ǤΤǡĤҴʾ VESA ʹֹɸ 72MHz ݤ
  ɬפޤ

  Ĥܤ˿ɤΤǤʹ֤ܤŬ͡ΤĤ
  ФϤʤ깭ϰϤǤ̤ 90% ٤ǥ˥˸
  äƤˡŤطʤɤȥ饹Ȥοʤ˻Ȥ٤
  ĴʤС֤ 45Hz ̤˾ƤŬǤ礦

  ̩ʥƥȤΤϼ̤Ǥ : xterm -bg white -fg black ǿ
  طʤ˹ʤ xterm 򳫤ơɽǽΰƤ򱣤餤
  礭ˤƲƥ˥뤵ͤ 3/4 
  ơ˥򤽤ऱơ˥ܤƤߤƲ (ϡ
  Ҵʻκ˦Ư뤿Ǥ) ʤˤĤ򴶤
  ʤ㤷ϵϰϤʤСʤˤȤäƤκ®٤
  ΤǤ⤷Ǥʤä顢츫פʤ褦˸Ƥ⡢餫ˤ
  Ƚʤ褦ʤĤˤäƤҤɤܤϫƬˤ򵯤ޤΤǡ
  ̤˸ͤˤʤ⤤®٤ĴƲ

  󥿥졼⡼ɤǤϡĤ̤ϸߤβ۲٤ȼºݤβ̤
  Ȥ˰¸ޤäƼ¸ɬפˤʤޤȾե졼μȿ
  85Hz ٤㤯ʤǤ礦

  Τ褦ˤƺǾεƤǤ®٤֤ȤǤޤHFL 
  VFL 򤹤뤿ˤϡ¿κ;ϤǤ礦

  7.  ׵

  ʬ¸褦ȤƤ륫顼䥰졼ǥץ쥤β٤
  Ѳǽʥե졼Хåե̤¤ޤ2  () ǥ
  Ǥʤʪξϡ¤뤳Ȥ¿ʬޤ

  256 Υǥץ쥤ξϡӥǥΥХȿɽɥå
  οɬפǤΥХȿĤ뽸 1 Ȥ
  Ǥɬפʥ̤ˤϡ 1 ɽοɽ
  οݤƲ800x600 β٤ĥǥץ쥤ξ
  ϡǥץ쥤ɽο 800 x 600 = 480,000 ˤʤޤ
   1 ɥåȤ 1 ХȤΤǡץɤƱХȿΥӥ
  ꤬ɬפǤ

  äơ̤ϡ̤ (HR * VR)/1024 򥭥Хñ̤ڤ夲
  ʪɬפǤ󤲤С (936 * 702)/1024 = 642K ХȤȤʤ
  ä 1M ХȤΥ꤬С;ۥ꡼˳Ƥ
  ޤ

  Ȥܡɤ 512K ̵Ϥβ٤ϻȤޤɤ
  äƤȤƤ⡢ʬʥӥǥ̵꤬ˤϥ˥ǽ褫
  ȤϽޤ󡣤ޤǡSVGA ɤ 1M ХȤΥ
  ƤȤƤ⡢˥ǹ 800x600 ɽǤʤʤС
  ι٤ϤɤäƤ̵ȤΤǤ

  ׵̤¿äƤƤ⿴ۤʤǲXFree86 ;ä
  ɽΰ򥹥Ǥ褦ˤޤ (ۥ꡼礭
  Υѥ᡼ˤĤƤ XF86Config եʸ򻲾ȤƲ) 
  512K ХȤΥܤɤ 512,000 ХȤǤϤʤ
   512 x 1024 = 524,288 ХȤΥ꤬ܤƤ뤳ȤФƤ
  
  S3 ɤ SGCS X ưƤơ 16  ( 1 ԥ 4
  ӥå) ξ硢Xconfig ե  4 ꤹСɤܤβ
  ٤Ȥޤ㤨СS3 ɤ̾ 1024x768x256  (1024x768 β
  ٤ 256 ) Ǥ 4 ˤ 1280x1024x16  (1280x1024 β
   16 ) Ȥ褦ˤʤޤ
  [ : ٤ȤϿ䥰졼ɽӥåȿǤ]

  8.  ե졼ॵη׻

  ٹ : ˡϥޥ󥯥˥Τ˳ȯޤ¿ʬ
  ˡϸȿ˥ǤޤԤΤޤ󤬡ݾڤǤޤ

  ǽ˺λѲǽ HSF  DCF äơʿǽ׻
  

  㤨С 65MHz Υɥåȥå Sigma Legend SVGA ɤȡ55KHz 
  ʿȿΥ˥ȤäƤȲꤷޤDCF / HSF ׻
  1181 Ȥ̤ޤ

  ǽιѤεڤȤޤ礦μäȤᤤ
  8 ܿ˴ݤƲ 8 ӥåȥ쥸 3 ӥåȤ
  餷 11 ӥåȤͤ褦 SVGA  S3  VGA ֤ˤͭ
  Ǥ ATI 8514/A Τ褦¾ΥɤǤϤΤ褦׵ϤʤΤ
  ޤ󤬡桹Τμ碌ƤϤޤ󤷡ݤˤä
  ʤȤ뤳ȤϤޤ󡣽äƿʿǽ 1176 ˴ݤ
  ޤ

  ο (DCF / HSF  8 ܿ˴ݤ᤿) ϺǾ HFL ȤѤ
  Ȥޤ㤤 HSF ƱꤹСäĹ HFL
  (Ĥޤꡢ¿ʬ¿β̤οʿΥɥåȿ) ޤ
  ٤Ƥ¿Ĥ®٤Ǥ礦

  иŪˡ§Ǥϡʿե졼Ĺ 80% ʿ٤ȤƻѲǽǡ
  ʿɽʬ (ΡŻҥӡब̤αü
  鼡κüäƤ֤򺹤) Ǥ
  ϡ944 ˤʤޤ

  ơ̾β̤Υڥ () 4:3 뤿ᡢ׻ʿ
  ٤ 3/4 ˤʤ褦˿ľ٤ꤷޤ礦Ǥϡ708
  ˤʤޤºݤ VFL ˤϡ1.05 ݤ 743 ˤʤޤ

   4:3 ˤĤ --- ɽȹ⤵ 4:3 Ψβʬ
  ͡ (1 + sqrt(5))/2 ˶ᤤͤǤʹ֤Ϥμζ򸫤ƹޤ
  פ褦ˤǤƤ褦ǤΤ֥饦ɤ 800x600, 640x480 
   1024x768 ȤɸŪʲ٤Ϥߤʤβʬζͤˤʤä
  ޤϿŪ׵ǤäơŪ׵ǤϤޤ
  󡣤⤷̤礭ͭ˳ѤǤΤǤС󲫶ʬ
  ȤȤ򤿤餦ͳϲ⤢ޤ

  ɡHFL=1176  VFL=743 Ȥޤ65MHz 򤳤 2 ĤοѤǳ
  ȡʬ˹⤯Ʒ򹯤ɤ 74.4Hz κ®٤ޤ餷
   VESA ɸΩɤǤ礦 ޤˡ餯ͽۤƤ
  800x600 ⤤ 944x708 Ȥ٤줿ΤǤ
  

   ( 76 Hz ) ®٤ɤ뤳ȤǽǤˤϡ
  ʤ 2 KHz 餤⤤ʿƱȿǤư˥¿Ȥ
  ¤ȡ VFL 餫 (ĤޤꡢǸ 944  75% ⾮
  ) ȤѤޤ "Сɥ饤" 
  ߤˡʤΥ˥ŻҽƤľƱ 76 Hz ʾǤǤ뤳Ȥ
  ǧƤ (㤨С͵Τ NEC 4D ǤϤϽޤ󡣤
   75 Hz  VSF ΤߤѤǤޤ)

  ʾ夬饹ɽˤĤƤñʷ׻ȴŪʻΤۤȤɤǤ
  ȤɹѤǤⲿǤ̵Ǥ͡

  9.  ѤƱ

  ʬɥåȥåб˷׻ HFL/VFL οꡢ
  ̵ʺ®٤Ĥꡢʬ VRAM  (ӥǥ) 뤳Ȥ
  ǧޤ줫餬ιѤǤ -- ĤɤƱФ
  Τɬפޤ

  Ʊ椬ºݤ˥˥οʿڤӿľȿ椷Ƥޤ
  ɽäѤФƤ HSF  VSF ʾκƱȿοͤ
  ץɤοƱϥ˥ˤɤ줯餤®º
  ư뤫ޤ

  嵭 2 ĤγפФƲܤ˸ (ʤ
  ) ɽ뤿˻ȤΤϡե졼饹뤿ɬפ
  ֤ΰǤ

  9.1.  ʿƱ :

  ˤС 1 ܤοʿ򤿤ɤΤˤ HFL ʬλֳݤ
  ɽʬΥå (ʿ꡼)  HR ȸƤӤ
  礦λ餫ˡ HR < HFL ȤʤޤŪξ
  Ʊ˳ϤȲꤷƼ˼ޤ :

  ______________________________________________________________________
    |___ __ __ __ __ __ __ __ __ __ __ __ __
    |_ _ _ _ _ _ _ _ _ _ _ _                |
    |_______________________|_______________|_____
    0                       ^               ^     ñ: ʿå
                            |   ^       ^   |
                            HR  |       |  HFL
                            |   |<----->|   |
                            |<->|  HSP  |<->|
                            HGT1         HGT2
  ______________________________________________________________________

  ǡˤ褦ɽǡΥåλȥե졼ΤΥå
  λδ֤ HSP ƱĹ֤ޤΤΤ Ϥ
  ȡɽ˰ưʤʤ뤫Ǥɽ򥹥꡼ɽ
  ٤ꡢĤޤ˥ɽǽΰˤäȤ뤿
  Ǥ

  ξ塢Ʊξ¦ "ݸ" Ȥ 30 åɬפǤHGT1
   HGT2 ɽ路ƤޤŪˤ HGT1  HGT2 ޤ
  äξ֤ԤʤС2 ĤƼ¸
  ᤿ɤǤ礦 (Ʊ֤Ȥˤʤޤ) 

  Ʊ֤㤨ξɾϡ1 Ĥζü˹ʤäƲ¾¦
  ̤üꡢü""Ӥˤʤäꡢ
  βɽΤȤƸޤľƱȴϿľݻĴ
  ˤʤäƤ TV ͤ˼ºݤ˽ĥ뤷ޤ (¡Ʊݤ
  ޤ) 

  ʤС˥Ʊλͽ˵ܤƤǤ礦
  ܤʤˤϡ餬ιѤλϤޤꡢ

  ǤϾԺԤɬפǤ礦ۤȤɤξ
  ϡƱ 3.5  4.0 ޥäȲꤹаǤ
  ŪˤϡHSP  3.8 ޥäˤޤ礦 (ͤϼ¸Ϥ
  äƤϰͤǤϤޤ) 

  ơۤ 65Mhz 򥯥å˻Ȥޤ顢HSP  247 åʬ
  Ф褤Ȥ狼ޤ( 247 = 65x10**6 * 3.8 *10**(-6))
  [ᥬ=10**6, ޥ=10**(-6) ǤפФƲ]

  Ĥ¤ҤϥɥåʿΥե졼ѥ᥿ǸѤäƤ
  ޤѸ:

     active time (HAT)
        Ư (HAT) ߥä˴ HR .  HAT * DCF = HR.

     blanking time (HBT)
         (HBT) ߥä˴ (HFL - HR) .  HBT * DCF =
        (HFL - HR).

     front porch (HFP)
        եȥݡ (HFP) ޤ HGT1 Ǥ.

     sync time
        Ʊ֤ޤ HSP Ǥ.

     back porch (HBP)
        Хåݡ (HBP) ޤ HGT2 Ǥ.

  9.2.  ľƱ :

  γäơ247 åʬ򳨤ǤɤΤ褦֤餤Ǥ
  

  ǤϡHR  944  HFL  1176 Ǥ 2 Ĥκ
  1176-944=232 < 247Ǥ! 餫ˤΰ㤤ĴʤФޤ󡣲
  ǤǤ礦

  ǽ 1176  1184 ؾ夲ơ 944  936 زƤơ㤤
   1184-936= 248 ˤʤޤ󡢶Ťޤ͡

   HSP ׻Τ 3.8 ˡ3.5 Ȥ褦ˤȡ
  65*3.5=227 Ȥʤޤʤɤʤޤ 248  227 ꤽ
  ۤ礭ޤHR  SP γδ֤ SP νλ HFL δ
   30 줰餤ɬפޤơ 8 ܿˤ
  ʤФʤޤ ! 桹ϤǹԤͤޤäƤޤäΤǤ礦 ?

   Ƥߤޤ礦936% 8==0 Ǥޤ (936+32)% 8==0 
  936+32=968968+227=11951195+32=1227 Ȥʤޤդ
  ࡢʤ˰Ϥޤ󡣤8 ܿˤϤʤäƤޤ
  ǡ1232 ˴ݤƲ

  Ʊ HR  HFL Τ礦ɿ֤ȤʤȤ
  Ūʺ񤬤ޤˤ⡢1232-32=1200  8 ܿǤ
  ȡ (1232-32)-968=232  3.57 ޥ (232/65) ȤĹ
  Ʊб뤳Ȥ׻Ǥ狼ޤ

  ˡ 936/1232  0.76 Ĥޤ 76%, Ǥ80% 餽󤯤ʤ
  ΤǤޤפǤ礦

  ξ塢ߤοʿե졼ĹȤʤ顢Ūˤϥ˥ǽ
  52.7KHz(=65MHz/1232) ˤƱ뤫ɤĴ٤ޤ礦
  ̵Ǥ礦

  и§顢嵭 936*75%=702 򿷤ľ٤ˤޤ礦
  702*1.05=737 ľե졼Ĺˤʤޤ
  ̺®٤ 65Mhz/(737*1232)=71.6 Hz ˤʤޤǤ餷
  Ǥ͡

  Ʊͤ˿ľƱ֤޲򤷤ޤ :

  ______________________________________________________________________
     |___ __ __ __ __ __ __ __ __ __ __ __ __
     |_ _ _ _ _ _ _ _ _ _ _ _                |
     |_______________________|_______________|_____
     0                      VR              VFL     ñ: ľå
                             ^   ^       ^
                             |   |       |
                             |<->|<----->|
                              VGT    VSP
  ______________________________________________________________________

  ľɽǡνλäƱȯޤVGT Ʊ
  ľݸ֤ǤۤȤɤΥ˥ VGT ̵ (ݸ̵) ǲŬ
  ưǤݸ̵Ǥ2,3 åݸ֤ɬפʤΤ
  ޤݸ֤Թ礬뤳Ȥ̤ޤ

  ޤ礦 : ե졼Ĺ顢ľåʿե졼
  é֤ǤΤǡǤ 1232/65Mhz=18.95 ޥäˤʤޤ

  ¸ˤпľƱΥѥ륹 50 ޥä 300 ޥä
  Ϥꤹ٤ǤǤ 8 ľåʬ150 ޥäѤ
  ޤ (150 ޥ / 18.95 ޥ   8)

  Ĥ¤ҤϥɥåľΥե졼ѥ᥿ǸѤäƤ
  ޤѸ:

     active time (VAT)
        Ư (VAT) ߥä˴ VR .  VAT * VSF = VR.

     blanking time (VBT)
        ֥ߥä˴ (VFL - VR) .  VBT * VSF = (VFL -
        VR).

     front porch (VFP)
        եȥݡ (VFP) This is just VGT.  ޤ VGT Ǥ.

     sync time
        Ʊ֤ޤ VSP Ǥ.

     back porch (VBP)
        Хåݡ (VBP) ľƱθ 2 ݸ֤˻Ƥޤ
        ФХǤ

  10.  ΤΤޤȤ

  XF86Config եΥӥǥ⡼ ( Video Modes ) ɽϿԤοǽ
  Ƥơ줾ιԤ X СѤ 1 ĤΥ⡼ɤδʻͤ
  ɽ路Ƥޤιܤ̾ᡢɥåȥåᡢʿᡢľ 4
  Ĥʬޤ

  ̾ 1 ܤǡԤλĤǻꤷƤӥǥ⡼ɤ̾ΤǤ
  ̾Τϡ XF86Config եΥեåɥ饤 "Modes" 
  ǻȤޤߤιԤιԤƱ̾Τʤ̾ΤϾάޤ

  ɥåȥåϥӥǥ⡼ɹԤιܤ DCF ȸƤǤɥåȥ
  Τߤ񤭤ޤǺɥåȥåȤƤιܤ
  񤭤ޤ

  ʿϤ줾οʿ̤ξǤɤΤ褦˺뤫 4 ܤǽ
  ޤǽιܤ HR ȸƤǤ뵱 1 ܤɥå
  Ǥ뤫񤭤ޤ 2 ܤιܤϤɤΥɥåȤʿƱ椬Ϥޤ
  򼨤ޤ 3 ܤιܤϤɤΥɥåȤǿʿƱ椬뤫򼨤
  ޤ 4 ܤιܤʿե졼Ĺ (HFL) ꤷޤ

  ľ 4 ܤǽ񤭤ޤǽιܤϲ̾ɽο
  񤭤ޤ (VR) 2 ܤιܤϿľƱ椬ܤϤޤ뤫
  ޤ 3 ܤιܤϿľƱ椬ܤǽ뤫񤭤ޤ4
  ܤιܤľե졼Ĺ񤭤ޤ

   :

             #̾ ⡼ɥå ʿ(14) ľ(14)
             #Modename    clock  horizontal timing  vertical timing

             "752x564"     40    752 784  944 1088  564 567 569 611
                           44.5  752 792  976 1240  564 567 570 600

  ( : ɸŪ X11R5 ΤޤޤǤ ΥɥåȥåϻȤޤ
  )

  XF86Config ǤϡǵƤɥåȤοƤɥåȤƱ
  γޤǤΥɥåȿƱλ³ʬΥɥåȿƱ
  λΥɥåȿ­碌 1 Υɥåȿ
  ׻ǤޤʿΥɥåȿϰΧ 8 ǳڤͤǤʤ
  ޤ

   :

  ʿο : 800 864 1024 1088

  ϵƤɥåȿ (800)³ƱΥɥå (864)
  ƱλΥɥå (1024)ϿʿκǸΥɥå (1088) Ȥʤ
  ޤ

  Ƥοʿο (8008641024  1088)  8 ǳڤˤ
  դ򤷤ƲϿľοˤƤϤޤޤ

  ̤ξ夫鲼ޤǤοե졼ޤե졼δŪʻ
  ĴǹԤʤޤ¿ϲɽ뤿˻ȤޤǸ
  ȯɽǡʬٱ䤬졢θľƱ椬
  ޤƱϿʬ³ե졼κǸƱ
  θɬפٱ䤬ޤư⡼ɤꤹͤϡ
  Τ褦Ϥޤ

   :

  ľο : 600 603 609 630

  ϥǥץ쥤 600 ܤɽ졢603 ܤľƱ
  Ϥޤ 609 ܤǽ 630 ܤѤ뤳Ȥɽ
  路Ƥޤ

  ľοͤ 8 ǳڤͤǤʤƤ⹽ޤ

  ޤ礦嵭ˤäơXF86Config ؽ񤭹ɬפƤ
  ϼͤǤ:

        < name >   DCF     HR  SH1 SH2   HFL   VR  SV1 SV2 VFL

   SH1 ϿʿƱγϥåǡSH2 Ϥνλåˤ
  ꡢƱͤ SV1 ϿľƱγϥåǡSV2 Ϥνλå
  Ǥ

        #̾ ⡼ɥå ʿ(14) ľ(14) ץ
        #name    clock   horizontal timing   vertical timing    flag
        936x702  65      936 968 1200 1232   702 702 710 737

  ̤ʥץɬ̵ϥΥ󥤥󥿥졼⡼ɤưޤ
  Ǵλޤ

  11.  ˥λͳ

  ȿΥ˥ξ硢˥εȿĶƤФˤʤ
  ޤ󡣤äƤޤȵ狼ФƤޤΤޤ!
  ޥ󥯥˥Ǥ⡢ȿ夲ȤϺ٤ʤ餤
  ꤬ФǽޤΤǡ˻ߤƤʤФʤޤ

  ˥κǹȿӰ⤤ԥ륯åȤäƤ⡢Ū̵
   (: ԥ륯å˥Ӱܤˤʤȡǧǽǽ
  Ūʸ³ãƤޤޤ ּΥư
  ɸܷ˴ؤ Nyquist ñʱѤǡɤƤϤ狼
  Ǥ͡)

  ٤˺ȤߤʤƤƱȿϵ路ǤǶΥ˥
  ϡȿФƥ˥ä褦ݸϩƤ
  Τ⤢ޤ΅ƤϤʤޤäˡʿƱѤΥȥ
  ĤäƤʤ(Multisync II Τ褦)Ťޥ󥯥˥
  ޤΥ˥٤ݸϤǤޤ󡣹Ű
  ϩϳμ¤äƤޤä˰¤˥Ǥϡʤ餺ͤ
  ƤμȿӰ򥫥СƤȤϸ¤ޤ󡣤ΤᡢŻҲϩ
  Τ®Ǥʤ̤ȯΤ®ߡʾ(X ޤ)
  ˥Ф뤳Ȥˤʤޤ

  ӰˤĤƤ⤦ҤȤڤʤȤϡ˥ϥԡ󥹤ϥ˥
  ӰǵꤵƤΤǡ⤤ȿȤȿͤꡢڤ
  ̾δĤȾ㳲ǽޤ

  ʤ顢ȤʤäƤܼŪʬϡӥǥϥɥ
  вϩΥ롼졼 (ӥǥΩ夬η) ǡ̾
  ݤΥԥȿȤ̵طǤ(ܡɤ¤ԤΤ褦
  դʧäƤ) ܡɤκԥȿȴϢޤ

  դĤĺȤ򤷤ޤ礦

  12.  󥿥졼⡼ɤѤ

  (ؤ David Kastrup <dak@pool.informatik.rwth-aachen.de> 
  ޤ)

  ΥɥåȥåǤϡ˥οľƱϩꤷƥݡȤǤ
  ʤ顢Υ󥤥󥿥졼̤⥤󥿥졼̤ܤˤĤĤ
  ʤ꾯ʤʤޤ󥿥졼⡼ɤǽ˳ȯ줿Τϡ
  Ǥ
  󥿥졼⡼ɤϡƱľȿ ʤVSF(̾﹭ɤ
  Ƥޤ) ΥΥ󥤥󥿥졼⡼ɤƱʤȤɾ򤫤
  Ƥޤ󥿥졼⡼ɤƱʿȿǤϳμ¤ͥ
  Ƥơ̤Ϥǥ˥䥰եåܡɤʸ³Ƥ
  ΤǤ

  κ® (ʤե졼ȿȾʬĤޤ VSF) Ǥϡ
  졼Υǥץ쥤ϤĤ¿ޤȤС 90Hz 
  󥿥졼ǥץ쥤 90Hz ΥΥ󥤥󥿥졼ǥץ쥤
  ޤɤ⡢ȾʬΥӥǥӰȾʬοʿ®٤Ǥߤޤ
  ƱɥåȥåƱ®٤ǥΥ󥤥󥿥졼ǥץ쥤٤
  顢󥿥졼ǥץ쥤ΤۤäȤ褯Ǥ礦 45Hz 
  Υ󥤥󥿥졼ǥץ쥤ʤɤϡäˤʤޤ󡣻ϡ90Hz Υ
  󥿥졼 (1024x768)  Multisync 3D ϲǯȤäƤơؤ­
  ƤޤƱͤʲŬ뤿ˤϡ 70Hz ΥΥ󥤥󥿥졼
  ǥץ쥤ɬפȻפޤ

  դɬפʤȤ⤤Ĥޤ󥿥졼⡼ɤϹ٤Ǥ
  Ȥäơܤεߤ˶᤯ʤ褦ˤޤǤꤷ
  ֤뤿ˡƱȰ֤򤤤ɬפ뤫⤷ޤ
  ܤŤȡ󥿥졼 餮餷Ƹޤϡ
  ˥塼طʤˤΤ褦ʥɥåȥѥץꥱ
  äƤޤ(XCeptʤȤ¾λΤäƤ륢ץꥱǤ
  Τ褦ʤȤ򤹤ΤϤޤ)ϡXCept ȤȤˤ
  800x600 ڤؤޤȤΤϤʤܤˤƤޤ
  

  Ʊͳǡ 100dpi եȤȤȡޤϤۤΥեȤǤ
  ʿӡब 2 ʬθߤեȤȤޤ礦(٤ˤϡ
  ¾ΤɤˡǤǤ礦)

  Ʊͤʺ®٤ǥΥ󥤥󥿥졼⡼ɤ򥵥ݡȤƤ
  λϥ󥿥졼⡼ɤȤȤϤǤޤ󡣤ʤ顢⤷
  ٤ǥ˥եåɤΤɤ餫ξ¤ãƤޤä
  ԲʤĤ俧 (ӰĶ) ɽäȻפä顢Ʊ
  ٤ǥ󥿥졼⡼ɤƤߤȤ⤷ޤ
  ϥ˥ VSF Ǥ˾¤˶ᤤϻȤޤ

  󥿥졼ǥ߷פϴñǤΥ󥤥󥿥졼⡼ɤƱ褦
  ͤޤ礦2 ĤɲäθƤɬפǤޤľ (⡼
  ԤκǸο) ˤʤФʤޤ󡣼ˡ"interlace" ե饰
  ꤷ˥Фºݤοľե졼ȿܤˤʤ뤳Ȥ
  ꤷ⡼ɤ 45Hz Υ⡼ɤ˸ʤ顢"Interlace" ե饰Ϥ
  Ƥơ˥ 90Hz Υե졼ȿ򥵥ݡȤɬפޤ

  㤨С1024x768 Υ󥿥졼⡼ɤΥ⡼ɹԤξǤ Multisync
  3D  90Hz οľե졼ȿ 38kHz  ʿե졼ȿޤǥ
  Ȥޤ

        ModeLine "1024x768" 45 1024 1048 1208 1248 768 768 776 807 Interlace

  ξΥߥåȤϡΥ⡼ɤǤϤܸۤ³ǤƱ⡼ɤ "Interlace"
  ץĤʤǻꤷƤ⡢˥˥οʿǽϤΤۤȤ
  ¤Ǥ(̩˸Сľȿβ¤򾯤ޤ)
  ѤʤۤɤΤĤޤ

  Ū߷ץ롼Ǥ˥οľ̤ȾʬʲǤΥ⡼߷פ
  ȤСľιפˤ "Interlace" ץ
  äޤ礦ۤȤɤξ硢ǥץ쥤ʼ˸夹Ϥ
  

  ˥κʲοľȿ 30% ۤ㤤ľȿǡ
  ˥λͤʤ褦ˡߤΥ󥤥󥿥졼⡼ɤȤä
  ϡ󥿥졼⡼ɤ߷פ(¿ʬ֤⤤
  ٤)褤̤뤳ȤǤ뤫⤷ޤ󤬡«ϤǤ
  

  13.  

  Q. ˤɸŪʲ̥ǤϤޤ󤬡Ȥޤ

  A. Ǥ640x480, 800x600 Ȥ 1024x768 ȤʤФʤʤͳ
  ϤޤäޤXFree86 ɥ饤ФϥϡɥͳǤ
  褦ˤʤäƤޤ̡23 Ƥߤ򸫤Ĥ
  ƤΤ˽פʤȤϡ⤤®٤Ǥɽ
  ΰǤ٤ɵᤷܤͶĤʧȤΤ
  褦ˤƤ

  Q. 65Mhz Υɥåȥå 55Khz  HSF ٤Ϥ
  

  A. ФʤȤϤޤ Ūʼ˽äƺȤԤ
  ߤˤɤ夯ᡢ㴳λԤη֤򤪴ᤷޤ ¸
  Ƥߤȷ빽ڤΤǤ ۤȤɤǤϥӥǥɽƤ
  ޤ⤷ޤ󤬡иǶΥޥ󥯥˥̡ñˤϲ
  ޤ󡣤Ĺ֥˥Ȥˡ˥ʤΥ⡼ɤΥե
  ȿ򥵥ݡȤƤ뤳Ȥǧޤ礦

  ȿΥ˥ˤդƤμΤޤ路ϡ
  빽᤯뤳Ȥޤ¸Ȥͭʥեå
  졼ȻȤäƤ뤳Ȥǧޤ礦

  Q. ĤɸŪʲ٤򵭺ܤƤޤ͡ XF86Config ǤϿɸ
  Ūʲ٤ޤĴοͤĴΥݥȤ򶵤
  

  A. ޤ礦 ߤ XF86Config ˤ "ɸŪ" 640x480 
  ˼夲ޤξ硢ưȿ 25MHz ե졼Ĺ 800 
  525 λ 59.5Hz β̺®٤Ȥޤ ̵Ǥ硩 
  Ū¿ SVGA ܡɤưȿ 28MHz Ȥޤ28MHz 
  640x480 Ȥ硢˽Сե졼Ĺ 812 
  505 ǤޤǺ®٤ 68MHz ޤǰ夲졢ɸ
  ꤫ʤ夷ޤ

  Q. ޤǤεޤȤƤ館ޤ

  A. 󤷤Ƹ :

  1. ǤդθưȿǤϡǹβ٤˹к®٤򲼤
     ʤФʤ餺äƤĤǤ礦

  2. ٤˾˥򥵥ݡȤȤϡ˹礦ɥå
     åĤޤ DCF 򶡵뤹 SVGA ɤƲɥ
     ȥåϹ⤤˱ۤȤϤޤ

  14.  ɽ꽤

   X ιοͤޤXF86Config  οͤ
  ΥȤĤƽ񤭤ޤX Ωۥåȥǿ
  ɤڤؤƤߤޤ ... ѤǤ硢ɤ
  ФΤǤ礦ŪȲ򤳤˵󤲤ޤ

  (Ĥߤνˤ xvidtune(1) ǤƤޤ)

  Ʊѥ륹ĴƲ ư ƤߤƤե졼ĹѤƲ
   ̾ Ʋ (Ūʰ֤򤽤ΤޤޤƱưɬ
  פޤʤȳ̾Ʊ˲ΰưⵯäƤޤ
  ) ⤦̤нˡ򼡤˼ޤ:

  ʿȿľɽ֤ΩƤޤϲʿ˰ưƤ
  ľ֤ˤϱƶʤޤդƱȤȤǤȤ̾Ǥ
  ɬ⤽ǤϤޤ󡣿ʿ礭ѤƤľ礭
  ˤϲƶͿդƱǤĲξѹ̤ιפϸꤵ
  ƤޤäˡĲ礭᤮Ϥ⤤ɥåȥåѹ
  ɬפǤ礦Ѳǽʲ٤夲뤳Ȥˤʤ뤿
  ᡢϤäȤϤʤޤ

  14.1.  ˤƤ

  뤿˿ʿƱưޤ礦ʤʿƱ
  γüȽλüƤʿĴʬο 2 Ĥοͤ (
  8 ܿ) ƹԤޤ

  ˤƤ (αʬ礭ơزư)
  ϡͤ䤷ƤˤƤ (αʬ礭
  ơزư) ϡƱ򸺤餷Ƥ

  14.2.  岼ưƤ

  뤿˿ľƱưƤʤľƱ
  γüȽλüƤľĴʬο 2 Ĥοͤ
  ƹԤޤ

  ˤƤ (αʬ礭ơ˲ư)
  ϡͤ򸺤餷ƤˤƤ (αʬ礭
  ơزư) ϡͤ䤷Ƥ

  14.3.  ľȿʿξĤǤ

  ⤤ɥåڤؤޤ礦åեʣΥ⡼
  ɤ硢㤤®٤Υ⡼ɤ˴ְäƺưƤǽ
  ޤ

  14.4.  ʿ˹ () 

  뤿ˤϿʿե졼Ĺ䤷 (餷) Ƥ
  ǽĴʬ 4 ܤοͤѤƹԤޤư
  򤹤뤿ᡢƱ ( 2 ܤ 3 ܤο) ⤽Ⱦʬư
  Ʊа֤¸ƤƤ

  14.5.  ľĤǤ (餻Ƥ) 

  뤿ˤϿľե졼Ĺ򸺤餷 (䤷) Ƥ
   2 ܤĴʬ 4 ܤοͤѤƹԤޤưΤ
  򤹤뤿ᡢƱ ( 2 ܤ 3 ܤοͤ) ⤽Ⱦʬư
  Ʊа֤¸ƤƤ

  εѤȹ礻Ǥʤ¾Ĥߤ¿ʬäȴŪʬ
  Ƥ롢㤨з׻㤤Ȥ˥ǻȤʤ⤤ɥåȥåȤäƤ
  褦ʾ礬ޤ

  Ǹˡե졼ĹΤɤ餫οͤ䤻к®٤㲼Ƥޤ
  ȡޤεդ뤳ȤФƤƲ

  15.  ˥ץåȤ롣

  ˥⡼ɥץåȤˤϡgnuplot ѥå (UNIX
  Τ褦ʥڥ졼ƥ󥰥ƥѤΥե꡼Υץåȸ) ȥ
  ɥ饤󤫤Ϥ˥ gnuplot  ץ
  Ȥ shell ץȤǤ modeplot ġ뤬ɬפǤ
  modeplot ΥꥹȤǤ:

  ______________________________________________________________________
  #!/bin/sh
  #
  # modeplot -- generate X mode plot of available monitor modes
  # modeplot -- Ѳǽʥ˥Υ⡼ɤ X ⡼ɥץåȤޤ
  #
  # Do `modeplot -?' to see the control options.
  # `modeplot -?' Ϥ楪ץ򸫤뤳ȤǤޤ
  #
  # ($Id: video-modes.sgml,v 1.2 1997/08/08 15:07:24 esr Exp $)

  # Monitor description. Bandwidth in MHz, horizontal frequencies in kHz
  # and vertical frequencies in Hz.
  # ˥Ӱ MHz ǡʿȿ kHz ǡȿľȿ
  # Hz ǻꤷޤ礦
  TITLE="Viewsonic 21PS"
  BANDWIDTH=185
  MINHSF=31
  MAXHSF=85
  MINVSF=50
  MAXVSF=160
  ASPECT="4/3"
  vesa=72.5       # VESA-recommended minimum refresh rate
                  # VESA-侩κǾ®
  while [ "$1" != "" ]
  do
          case $1 in
          -t) TITLE="$2"; shift;;
          -b) BANDWIDTH="$2"; shift;;
          -h) MINHSF="$2" MAXHSF="$3"; shift; shift;;
          -v) MINVSF="$2" MAXVSF="$3"; shift; shift;;
          -a) ASPECT="$2"; shift;;
          -g) GNUOPTS="$2"; shift;;
          -?) cat <<EOF
  modeplot control switches:

  -t "<description>"      name of monitor            defaults to "Viewsonic 21PS"
  -b <nn>                 bandwidth in MHz           defaults to 185
  -h <min> <max>          min & max HSF (kHz)        defaults to 31 85
  -v <min> <max>          min & max VSF (Hz)         defaults to 50 160
  -a <aspect ratio>       aspect ratio               defaults to 4/3
  -g "<options>"          pass options to gnuplot
  modeplot 楹å:

  -t "<>"             ˥̾              ɸͤ "Viewsonic 21PS"
  -b <nn>                 Ӱ MHz          ɸͤ 185
  -h <Ǿ> <>        ǾȺ HSF  kHz  ɸͤ 31 85
  -v <Ǿ> <>        ǾȺ VSF  Hz   ɸͤ 50 160
  -a <ڥ>       ڥ            ɸͤ 4/3
  -g "<ץ>"       gnuplot Ϥץ

  The -b, -h and -v options are required, -a, -t, -g optional.  You can
  use -g to pass a device type to gnuplot so that (for example) modeplot's
  output can be redirected to a printer.  See gnuplot(1) for  details.

  The modeplot tool was created by Eric S. Raymond <esr@thyrsus.com> based on
  analysis and scratch code by Martin Lottermoser <Martin.Lottermoser@mch.sni.de>

  -b, -h  -v ץɬܤǡ-a, -t, -g ϥץǤ
  -g ǥǥХפ gnuplot Ϥޤä㤨 modeplot 
  Ϥϥץ󥿤˥쥯Ȥޤܺ٤  gnuplot(1) Υޥ˥奢
  

  modeplot ġ Eric S. Raymond <esr@thyrsus.com> 
   Martin Lottermoser <Martin.Lottermoser@mch.sni.de> ˤ
  ʬϤȰ줫񤤤ɤ򸵤˺ޤ
  This is modeplot $Revision: 1.2 $
  EOF
                  exit;;
          esac
          shift
  done

  gnuplot $GNUOPTS <<EOF
  set title "$TITLE Mode Plot"

  # Magic numbers.  Unfortunately, the plot is quite sensitive to changes in
  # these, and they may fail to represent reality on some monitors.  We need
  # to fix values to get even an approximation of the mode diagram.  These come
  # from looking at lots of values in the ModeDB database.
  F1 = 1.30       # multiplier to convert horizontal resolution to frame width
  F2 = 1.05       # multiplier to convert vertical resolution to frame height
  # ˡοͤǤǰʤ顢ץåȤϤοͤѹ뤳ȤФ
  # ҴǤޤοͤǴĤɽŪʥ˥Ǽºݤˤޤ
  # Ԥʤ礬ޤ桹ϥ⡼ɥγ̵Ǥ
  # ͤˤʤ褦˽Ƥޤοͤ ModeDB ǡ١
  # ¿̤οƳФޤ
  F1 = 1.30       # ʿ٤ե졼Ѵ
  F2 = 1.05       # ľ٤ե졼Ѵ

  # Function definitions (multiplication by 1.0 forces real-number arithmetic)
  # ؿ (1.0 ݤȼºݤοη׻Ȥʤ)
  ac = (1.0*$ASPECT)*F1/F2
  refresh(hsync, dcf) = ac * (hsync**2)/(1.0*dcf)
  dotclock(hsync, rr) = ac * (hsync**2)/(1.0*rr)
  resolution(hv, dcf) = dcf * (10**6)/(hv * F1 * F2)

  # Put labels on the axes
  # Υ٥
  set xlabel 'DCF (MHz)'
  set ylabel 'RR (Hz)' 6  # Put it right over the Y axis
                          # Y αˤ
  # Generate diagram
  # 
  set grid
  set label "VB" at $BANDWIDTH+1, ($MAXVSF + $MINVSF) / 2 left
  set arrow from $BANDWIDTH, $MINVSF to $BANDWIDTH, $MAXVSF nohead
  set label "max VSF" at 1, $MAXVSF-1.5
  set arrow from 0, $MAXVSF to $BANDWIDTH, $MAXVSF nohead
  set label "min VSF" at 1, $MINVSF-1.5
  set arrow from 0, $MINVSF to $BANDWIDTH, $MINVSF nohead
  set label "min HSF" at dotclock($MINHSF, $MAXVSF+17), $MAXVSF + 17 right
  set label "max HSF" at dotclock($MAXHSF, $MAXVSF+17), $MAXVSF + 17 right
  set label "VESA $vesa" at 1, $vesa-1.5
  set arrow from 0, $vesa to $BANDWIDTH, $vesa nohead # style -1
  plot [dcf=0:1.1*$BANDWIDTH] [$MINVSF-10:$MAXVSF+20] \
    refresh($MINHSF, dcf) notitle with lines 1, \
    refresh($MAXHSF, dcf) notitle with lines 1, \
    resolution(640*480,   dcf) title "640x480  " with points 2, \
    resolution(800*600,   dcf) title "800x600  " with points 3, \
    resolution(1024*768,  dcf) title "1024x768 " with points 4, \
    resolution(1280*1024, dcf) title "1280x1024" with points 5, \
    resolution(1600*1280, dcf) title "1600x1200" with points 6

  pause 9999
  EOF
  ______________________________________________________________________

  modeplot äƤ뤳Ȥ gnuplot ѥåǧ顢
  ˽Ҥ٤˥ͤɬפǤ:
  o  ӥǥӰ (VB)

  o  ʿƱȿϰ (HSF)

  o  ľƱȿϰ (VSF)

  ץåȥץϡɬΤȤϸ¤ʤǲΤδĤβ
  ɬפȤޤ줿बޤҤǤǤʤΤϤ
  ǤβȤ:

  1. Ƥβ٤ϡäĤθꤵ줿Ĳ AR = HR/VR ȤäƤ
     ޤɸŪʲ٤Ǥ AR = 4/3  AR = 5/4Ǥmodeplot ץ
     ɸ 4/3 ꤷƤޤѹǽǤ

  2. θ줿⡼ɤǤϡʿȿľΥե졼ĹϿʿȿľβ٤
     ܿĴƤޤΤǡ줾켡Τ褦ˤʤޤ:

                HFL = F1 * HR
                VFL = F2 * VR

  ޤʵȤơF1 = 1.30  F2 = 1.05 ȤƲ ("ե졼ॵ
  η׻"򻲾ȤƤ)

  ơƱȿʤ HSF 夲Ƥߤޤߤν
  Ǥϡ줾Υɥåȥå DCF ͤ˺® RR 
  ƤޤʤHSF ƤͤФơؿ RR(DCF) ¸ߤ
  ȤȤǤмΤ褦ˤޤ

  ®٤ϥե졼ॵѤǥɥåȥåäΤǤ:

                RR = DCF / (HFL * VFL)          (*)

  ʿե졼ĹϥɥåȥåʿƱȿǳäΤ
  ʤޤ:

                HFL = DCF / HSF                 (**)

  VFL  HFL  ҤĤβǸ餵줿ΤǤ??:

                VFL = F2 * VR
                    = F2 * (HR / AR)
                    = (F2/F1) * HFL / AR        (***)

  (**)  (***)  (*) :

                RR = DCF / ((F2/F1) * HFL**2 / AR)
                   = (F1/F2) * AR * DCF * (HSF/DCF)**2
                   = (F1/F2) * AR * HSF**2 / DCF

  HSF, F1, F2  AR ꤹȡжˤʤޤζ
  κǾȺοʿƱȿǵΰλĤζ
  

  ΰľθβ٤ɽޤ (*) 򸵤ˤ
  2 ܤβˤʤޤ:

                RR = DCF / (HFL * VFL) = DCF / (F1 * HR * F2 * VR)

  ȤƤβ٤ǤΤ褦ˤäơ١å
  ȿȥ˥ݡȤǤ®٤δ֤˴ط뤢Ȥ
  Ȥˤ狼ޤϥ˥ˤϰ¸Ƥޤ
  2 ܤβˤϰ¸Ƥޤ

  modeplot ġϤκȤñˤޤmodeplot -?  Ϥ楪
  ץ򸫤ƤŵŪʼ¹ԷϼΤ褦Ǥ:

                modeplot -t "Swan SW617" -b 85 -v 50 90 -h 31 58

  -b ץϥӥǥӰꤷޤ-v  -h ϿʿȿľƱ
  ȿϰϤꤷޤ

  modeplot νϤɤȤϡɽΤߤǤ뤳Ȥ˳ФƤ
  㤨СǾƱ줿 HFL ξ¤̵뤷ޤ
  ꤬¤ˤƤΤǤϤޤ󡣽ä ``ΤΤޤ
  '' ˼Ƥ(ιѤȼä) ܺ٤ʷ׻夨뤳ȤϤ
  ޤ󡣤ʤ顢ǽȤɤʥȥ졼ɥդ뤫ʬ
  ƤäǤ礦

  16.  ϼԡ󶡼ԤˤĤ

  ʸκǽθ Chin Fang <fangchin@leland.stanford.edu> 
  ޤ

  Eric S. Raymond <esr@snark.thyrsus.com> ľơ Chin
  Fang θʸʬ䤹ʤ褦絬Ϥ˽񤭴ޤβ
  ǡBob Crosson <crosson@cam.nist.gov> ˤ뿧 how-to ʸ
  ޤ

  󥿥졼⡼ɤ˴ؤϼȤ David Kastrup
  <dak@pool.informatik.rwth-aachen.de> ˤޤ

  Martin Lottermoser <Martin.Lottermoser@mch.sni.de>  gnuplot Ѥ
  ⡼ɥ褹ۤ˴Ϳmodeplot ظˤ
  ŪʲϤԤޤۤƤ modeplot ϡMartin θ
  gnuplot ξΥץȤESR ߷פȰ̲Ԥޤ
  [ : ESR  Eric S. Raymond Ǥ]

  [ܸǼռ : Ȥĺ
  Yasu Hiro YAMAZAKI <hiro@koneeko.linux.or.jp>
  ]

