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Man Pages
WD(4) FreeBSD Kernel Interfaces Manual (i386) WD(4)

wd
????Ū?? WD100x/IDE ?ǥ??????????ȥ??????ѥɥ饤??

controller wdc0 at isa? port "IO_WD1" bio irq 14 disk wd0 at wdc0 drive 0 disk wd1 at wdc0 drive 1

CMD640b IDE ?????ȥ???????: options "CMD640"

???Υɥ饤?Фǡ?Western Digital WD100x ???꡼???򥨥ߥ??졼?Ȥ??? ?????ȥ?????????³???줿?ǥ??????˥????????Ǥ????褦?ˤʤ??ޤ??? ?????ˤϡ?WD1003 ST412 ?????ȥ????顢WD1007 ESDI ?????ȥ????顢 ?????ƤۤȤ??ɤΥޥ????ܡ??ɤˤ???????Ū?? IDE ?????ȥ????????ޤߤޤ???

WD100x ???꡼???Ȥθߴ????ˤĤ??Ƥϡ??̾?????ȥ??????λ????????????????ޤ???

flags ?ѥ??᡼?????Ȥäơ??ɥ饤?Ф˥ҥ??Ȥ????????????뤳?Ȥ??Ǥ??ޤ???

16 ?ӥå??????Υե饰???ɥ饤?????ˤ??ꡢ ???줾???? 4 (????: ?ºݤˤ? 6) ?ĤΥӥåȥե??????ɤ??????ޤ?:

0x8000
?ɥ饤?֤? 32 ?ӥå?ž????ǽ???Ȥ????лȤ??ޤ???
0x4000
?ɥ饤?֤????꡼?ץ⡼?ɤ???æ???Ƥ????Ȥ????Ǥ????褦?ʤ??С? ???𤷤Ƥ????Ȥߤʤ??ƺƽ????????ޤ???
0x2000
?Ƕ??? PCI ???åץ??åȤˤ????Х??ޥ??? DMA ??ǽ?????뤫Ĵ?٤????Ѥ??ޤ???
0x1000
?ǥե????Ȥ? CHS ???ɥ??å??󥰤ǤϤʤ???LBA ???ɥ??å??󥰤??Ȥ??ޤ???
0x0f00
?إåɤο??? ((flags & 0xf00)>>8) ?ȸ??ʤ??ơ? ?????˹礦?褦?˥????????????׻???ľ???ޤ???
0x00ff
?ɥ饤?֤Υޥ?????????ž???⡼?ɤ??Ȥ????лȤ??ޤ??? ?????? (flags & 0x00ff) ????????ž???????ߤޤ???

???Υե饰?? drive ?Ԥ? 16 ?ӥå??????ǻ??ꤹ?뤫?? ???뤤?? controller ?Ԥ? 32 ?ӥå??????ǻ??ꤷ?ޤ??? ???ξ??硢???? 16 ?ӥåȤ??ֹ????礭?ʥɥ饤?֤?Ŭ?Ѥ????ޤ???

CMD640” ???ץ??????ˤ??äơ?CMD640b IDE ?????ȥ??????η??٤??н褹???褦?ˤʤ??ޤ??? ???Υ??ץ????󤬻??ꤵ???Ƥ??ơ? ???? PCI ???֥????ƥब???Υ??åפ򸡽Ф????????ˤϡ? ?ץ饤?ޥ??ȥ??????????Υ????ȥ???????Ʊ???ˤϻȤ????ޤ?????

/dev/wd*
?ǥ??????Υ֥??å??ǥХ????Ρ???
/dev/rwd*
?ǥ??????Υ????饯???ǥХ????Ρ???
/sys/i386/conf/GENERIC
wd ?ˤ??륷???ƥ??Τ????Υ????ͥ??å??????ͥ????????ե??????Υ????ץ?
/sys/i386/isa/wd.c
?ɥ饤?ФΥ?????

bad144(8)

???Υ????ȥ??????ȥǥ????????ȹ??碌?ϡ? ??ưŪ?˥Хåɥ֥??å????????򤹤뤿???ε??????????Ƥ??ޤ????? ?Хåɥ֥??å???Ĵ?٤??ˤ? bad144(8) ???¹Ԥ???ɬ?פ??????ޤ???
August 31, 1994 FreeBSD

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