From owner-FreeBSD-users-jp@jp.freebsd.org  Wed Nov  5 17:18:39 1997
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To: FreeBSD-users-jp@jp.freebsd.org
In-reply-to: Your message of "Wed, 05 Nov 97 13:39:39 JST."
             <9711050439.AA40962@ns.trl.ibm.com> 
Date: Wed, 05 Nov 1997 17:17:23 +0900
From: Takeshi Amaike <amaike@iri.co.jp>
Reply-To: FreeBSD-users-jp@jp.freebsd.org
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Subject: [FreeBSD-users-jp 20266] Re: No Intel CUP 
Errors-To: owner-FreeBSD-users-jp@jp.freebsd.org
Sender: owner-FreeBSD-users-jp@jp.freebsd.org

  $B8=>u$N(B FBSD $B$G(B SCSI Disk$B$H$k$+(B IDE Disk$B$H$k$+J9$+$l$?$i!";d$b(B SCSI
$B$r$H$k$s$G$9$1$I$M(B :)

> DMA Mode $B$KBP1~$7$F$$$F$b!"(Bsector $BC10L$G$NE>Aw40N;3d$j9~$_$OH/@8$9$k(B
> $B$O$:$G$9$,!D:G6a$N(B IDE $B$C$F$7$J$$$N!)(B

  IDE $B$N3d$j9~$_$KBP$7$F>\$7$$$o$1$8$c$J$/!"$"$/$^$G(B fbsd $B$N%=!<%9Cf$K(B
$B5-=R$7$F$"$k(B

/usr/src/sys/i386/isa/wdreg.h  line193 :
----------------------------------------------------------------------
 *      Wait for an interrupt.  Multi-sector transfers will only interrupt
 *      at the end of the transfer.
----------------------------------------------------------------------

  $B$3$l$r?.$8$F$k$s$G$9$,!"$I$&$J$s$G$7$g$&!)(B

  $B$=$3$^$G5$$K$9$k$N$J$i$P!"Nc$($P(B SCSI $B$N(B Command OverHead $B$O(B IDE$B$KHf3S(B
$B$7Bg$-$/!"@-G=Dc2<$K$J$+$J$+9W8%$7$F$/$l$F$^$9$,!"$=$C$A$O5$$K$5$l$J$$$N(B
$B$G$9$+!)(B

$B$b$A$m$s!"(BSCSI Disk $B$H(B IDE Disk $B$G%\%H%k%M%C%/$H$J$k2U=j$,0c$C$FMh$k$s(B
$B$G!"2?$KBP$7$F$N@-G=$r4|BT$7$F$k$+$G$:$$$V$s0U8+$,$+$o$C$F$/$k$s$8$c$J$$(B
$B$+$H$O;W$$$^$9$1$I$M(B :-)

  PIIX$B$N%I%i%$%P!J(BIntel Triton 82371 Driver $B!K$O!"$b$&$:$$$V$sA0$+$i(BFBSD
$B$KF~$C$F$?$j$9$k$N$G!"$3$$$D$,(B wd driver$B$+$i;H$o$l$kMM$K$J$k$HJ59b$$(BSCSI
Disk$B$rGc$o$:$H$b9,$;$K$J$l$k$+$J$H4|BT$7$F$$$^$9!#(B

$B!t$G!"(Blinux $B$N%3!<%I$G$bFI$`$+!<$H;W$$$D$D(B linux$B$$$l$k$NLLE]$G$J$K$b(B
$B!t$7$F$J$$%o%?%7!D!#(B
--
						$B$"$^$$$1!w$$$j$3(B
						amaike@iri.co.jp
