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| VGA(4) | FreeBSD Kernel Interfaces Manual | VGA(4) |
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vga —
???ѥӥǥ??????ɥ??ե?????
????
options "VESA"
options "VESA_DEBUG=N"
options "VGA_ALT_SEQACCESS"
options "VGA_NO_FONT_LOADING"
options "VGA_NO_MODE_CHANGE"
options "VGA_SLOW_IOACCESS"
options "VM86" device
vga0 at isa? port ? conflicts
????
vga
?ɥ饤?Ф????ѥӥǥ??????ɥɥ饤?ФǤ??ꡢ
?ӥǥ??????ɤ????ѤǤ????褦?ˤ??ޤ???
???Υɥ饤?Фϥ??????ɥ饤??
syscons(4)
?Τ?????ɬ?פǤ???
???????ɥ饤?Ф? vga
?ɥ饤?Ф??ƤӽФ??ƥӥǥ??ϡ??ɥ???????????ޤ?
(?ӥǥ??⡼?ɤ??ѹ????ե????Ȥ??ɤ߹??ߡ??ʤ?)??
?ӥǥ??????ɤ?¾?Υɥ饤?Ф?Ʊ???ϰϤ? I/O ?ݡ??Ȥ????Ѥ??뤫?⤷???ʤ??Τǡ? ??????? conflicts ??ɬ?פǤ???
vga
?ɥ饤?Фϼ??ε??ʤΥӥǥ??????ɤݡ??Ȥ??ޤ?:
MDA, CGA, EGA, VGA??
?????ˡ??ӥǥ??????ɤ????ݡ??Ȥ??Ƥ?????
VESA ??ĥ BIOS ?????Ѥ??뤳?Ȥ??Ǥ??ޤ???
VESA
???ݡ??Ȥ???Ū?˥????ͥ??˴ޤ??Ƥ??????Ȥ⡢
??Ω?????⥸?塼???Ȥ????ɤ߹??ळ?Ȥ??Ǥ??ޤ???
VESA ???ݡ??Ȥ??ͥ?????Ū?˥????뤿???ˤϡ? ?????ͥ??????ե??????? VESA ???ץ?????(?ʲ?????) ?? VM86 ???ץ??????????????뤳?Ȥ?ɬ?פǤ???
vesa ?⥸?塼????
kldload(8)
???Ȥä?ưŪ?˥????ͥ????ɤ߹??ळ?Ȥ??Ǥ??ޤ???
???Τ????ˤϡ? VM86
???ץ????????ͥ??????ե??????????????Ƥ???ɬ?פ??????ޤ???
?ɥ饤?Ф?????
?????ͥ????ꥪ?ץ?????
vga
?ɥ饤?Ф????椹?뤿???ˡ?
?ʲ??Υ????ͥ????ꥪ?ץ?????
(config(8)
????) ???Ȥ??ޤ???
???????Υ??ץ??????Ϥ??????? VGA
?????ɤȤθߴ??????Ȥ뤿???Τ??ΤǤ???
- VGA_ALT_SEQACCESS
- ?ޥ????ݥ????????????褵???ʤ??????䡢 ???뤤?ϥե????Ȥ? VGA ?????ɤˤ??ޤ??ɤ߹????Ƥ??ʤ??褦?˻פ????????ˤϡ? ???Υ??ץ???????????ɤ??????Τ??ޤ????? ???????????ƥ??ˤ??äƤϤ????Ĥ??????????褦?ˤʤ뤫?⤷???ޤ?????
- VGA_SLOW_IOACCESS
- ?Ť? VGA ?????ɤ???????ư????뤿???ˤ??Υ??ץ???????ɬ?פ??⤷???ޤ????? ?????ˤ??äƥɥ饤?Ф? VGA ?쥸???????Ф??Х??????? I/O ???Ԥʤ??褦?ˤʤꡢ ?㴳ư??٤??ʤ??ޤ???
?ʲ??Υ??ץ??????ϥɥ饤?Ф?Ǥ???????ε?ǽ???դ??ä??ޤ???
- VESA
- ?ɥ饤?Ф? VESA BIOS ???ݡ??Ȥ??ä??ޤ??? ?⤷ VGA ?????ɤ? VESA ??ĥ BIOS 1.2 ?ʹߤ????äƤ????С? ???Υ??ץ??????ˤ??äƹ??????٥⡼?ɤؤ??ڤ??ؤ??? VESA BIOS ?????Ѥ????褦?ˤʤ??ޤ??? ???Υ??ץ??????????Ѥ????ˤ? VM86 ???ץ???????ɬ?פǤ???
- VESA_DEBUG=N
- VESA ???ݡ??ȤΥǥХå????٥??? N ?ˤ??ޤ??? ?ǥե????Ȥ? 0 ?ǡ????٤ƤΥǥХå????Ϥ??????????ޤ???
?ʲ??Υ??ץ??????? vga
?ɥ饤?Ф??鵡ǽ?????ꡢ?????ͥ??λ??ѥ??????????ޤ???
- VGA_NO_FONT_LOADING
vga?ɥ饤?Ф? EGA ?? VGA ?Υ????ɤ˥??եȥ??????ե????Ȥ??ɤ߹????ޤ??? ???Υ??ץ??????Ϥ??ε?ǽ???????ޤ???- VGA_NO_MODE_CHANGE
- ???Υ??ץ??????ϥɥ饤?Ф??ӥǥ??⡼?ɤ??ѹ??Ǥ??ʤ??褦?ˤ??ޤ???
??????
?????ͥ??????ե??????ˤ????̤ϰʲ??ε??Ҥ??????Ϥ??Ǥ?:
device vga0 at isa? port ?
conflictsVESA ??ĥ BIOS ???ݡ??Ȥ?ͭ???ˤ??뤿???ˤϡ? ?????ͥ??????ե??????˼??? 3 ?Ԥ??ޤ??Ƥ?????????
options "VM86"options "VESA"device vga0 at isa? port ?
conflictsVESA ???ݡ??Ȥ??ͥ??˴ޤ???ʤ????????ޤˤϻȤ??????????ˤϡ? ???? 2 ?Ԥ??ͥ??????ե??????˲ä??Ƥ???????:
options "VM86"device vga0 at isa? port ?
conflicts?????ƻȤ??????ʤä???
vesa
?⥸?塼?????ɤ߹????Ǥ???????:
kldload vesa??Ϣ????
????
Video Electronics Standards Association, VESA BIOS Extension (VBE).
????
vga ?ɥ饤?Ф?
FreeBSD 3.1
?˽??????о줷?ޤ?????
????
vga ?ɥ饤?Ф?
Soren Schmidt ⟨sos@FreeBSD.org⟩ ??
Kazutaka Yokota ⟨yokota@FreeBSD.org⟩
???ޤ????????Υޥ˥奢???ڡ?????
Kazutaka Yokota ???ޤ?????
| February 9, 1999 | FreeBSD |
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