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In-reply-to: Your message of "Thu, 20 Feb 1997 18:13:32 JST."
             <97Feb20.181332jst.12288@gateway.mie-com.co.jp> 
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Date: Tue, 25 Feb 1997 00:29:08 +0900
From: Yoshiaki Uchikawa <yoshiaki@kt.rim.or.jp>
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Subject: [doc-jp 2493] Re: FAQ-hardware.sgml(1) 
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$B$&$A$+$o$G$9(B

$B>/$7;~4V$,7P$C$F$7$^$$$^$7$?$,(B...

> On Thu, 20 Feb 1997 18:13:32 +0900, nishika@iName.com said:

 > $B86(B <tag/Western Digital/
 >       WD7000 &lt;ISA&gt; &lt;No scatter/gather&gt;

 > $BJd(B scatter $B$H(B gather $B$K$D$$$F!"$^$C$?$/CN$i$J$$$G$9!#(B
 >    $BF|K\$G$I$&8F$P$l$F$$$k$+$b!#(B

$B!t(Bhandbook$B$N(B scsi.sgml $B$O;d$NC4Ev$G$9$M(B(^_^;

scatter/gather$B$H$$$&$N$O(B4.2$B0J9_$N(B BSD$B$N$KF3F~$5$l$?(B readv/writev $B%7%9(B
$B%F%`%3!<%k$N5!G=$G(B, 

  scatter read  - 1$B$D$N%7%9%F%`%3!<%k(B(readv)$B$GJ#?t$N%P%C%U%!$X%G!<%?$r(B
		$BAw$k(B

  gather write  - 1$B$D$N%7%9%F%`%3!<%k(B(writev)$B$GJ#?t$N%P%C%U%!$+$i$N(B 
		write$B$r%"%H%_%C%/$K9T$J$&(B. 

$B$H8@$C$?$b$N$G$9(B. $B8zN($NE@$G$O$3$NJ}$,M-Mx$G$9$7(B, $BJ#?t$N(Bwrite$B$r@0Ns2=(B
$B$7$F%"%H%_%C%/$JA`:n$K$9$k$N$O0UL#$N$"$k$3$H$G$9(B. 
$B$s$G(B WD7000$B$N%I%i%$%P$K$O$3$N5!G=$,L5$$$H(B...

$B$?$V$s%I%i%$%P$N%l%Y%k$G$3$N$h$&$J5!9=$,<BAu$5$l$F$$$J$$$N$G(B read $B$d(B 
write $B$r$D$+$C$F%(%_%e%l!<%H$7$F$$$k$N$G$7$g$&$M(B. $B<B:]$K%3!<%I$rFI$s$G(B
$B$$$J$$$N$G30$7$F$$$k$+$bCN$l$^$;$s$,(B. 

$B!t(Bhandbook$B$N(B scsi.sgml $B$rLu$7$?;~$O$o$+$C$F$$$^$;$s$G$7$?(B. $B8=:_$G$b@b(B
$B!tL@$r$D$1$k$N$O%P%i%s%9E*$JLdBj$b$"$k$N$GLuCm$r$D$1$k$Y$-$+$I$&$+$o$+(B
$B!t$i$J$$$N$G$=$N$^$^$K$7$F$"$j$^$9(B. 

$B$A$J$_$K(B scatter/gather $B$O!V(BUNIX 4.3BSD$B$N@_7W$H<BAu!W(B($B4]A1(B)$B$G$O!V;6I[(B
$B$H<}=8!W$J$s$F=q$$$F$"$j$^$9$,(B, $B$3$NItJ,$rFI$`$H(B, $B$"$^$j$NLu$N$R$I$5$K(B
$B!V$0$'!<!W$H8@$$$?$/$J$k$h$&$J$H$3$m$J$N$G??;w$9$kI,MW$O$"$j$^$;$s(B. 

$B:G6a(B, $B!V(BThe Design and Implementation of the 4.4 BSD operating
system$B!W$rGc$C$F(B, $B2K$J;~$OFI$s$G$$$k$N$G$9$,(B, $B>e$NK\$NLu$N$R$I$5$r:FG'(B
$B<1$7$F$$$k$H$3$m$G$9(B. 

$B!t$b$A$m$s<+2|$N0UL#$r$3$a$F(B, $B$G$9(B. 

$B!t:G6a;E;v$N$?$a$KGc$C$?(B Verilog-HDL $B4X78$NK\(B($BK]LuJ*(B)$B$b$H$s$G$b$J$$Lu$@(B
$B!t$"!<$"(B
----
  yoshiaki@kt.rim.or.jp


