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To: FreeBSD-users-jp@jp.freebsd.org
From: IIJIMA Akihiro <aki@noc.titech.ac.jp>
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Date: Thu, 12 Feb 1998 08:48:42 +0900
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Subject: [FreeBSD-users-jp 24488] Re: [Q]Bouce Buffer
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> $B<ALd$G$9$,!"$3$NA0(B512MB$B%a%b%j$r<BAu$7$?5!3#$G$O(BBOUNCE BUFFER$B$r(B
> $B;H$&$h$&$K%*%W%7%g%s$r@_Dj$9$k$HN)$A>e$,$i$J$$$H8@$&OC$,$"$j$^$7$?$,!"(B
> $B$D$^$j$=$&$$$&5!3#$G$O(BDMA$B$r;H$&(BISA$B$J%5%&%s%I%+!<%I$J$I$O;H$($J$$(B
> $B$H8@$&;v$J$s$G$7$g$&$+!)(B

$BJX>h(B

1) DMA$B$r;H$&%G%P%$%9$H$$$&$N$O(B kernel$B$N@_Dj%U%!%$%k$G$"$k(B 
/sys/i386/conf/GENERIC $B$G$$$&$H(B drq $B$H$$$&;XDj$,$5$l$F$$$k%G%P%$%9(B
$B$H9M$($F$$$$$N$G$7$g$&$+!)(B

2) $B%U%m%C%T!<$O(B $B$I$&$J$k$N$G$7$g$&$+!)(B 
$B%$%s%9%H!<%k%U%m%C%T!<$N85$G$"$k(BBOOTMFS$B$r8+$k$H!"(B
 controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2 vector fdintr
drq$B$H=q$$$F$"$j$^$9!#(B
--
$BEl5~9)6HBg3X(B $BAm9g>pJs=hM}%;%s%?!<(B $B%M%C%H%o!<%/%7%9%F%`1?MQ3](B
	$BHSEg(B $B><Gn(B (Akihiro Iijima) aki@noc.titech.ac.jp
