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Date: Sat, 21 Feb 1998 01:20:06 +0900
From: Takizawa Yasunori <asterisk@venus.dti.ne.jp>
To: FreeBSD-users-jp@jp.freebsd.org
In-Reply-To: Your message of "Thu, 19 Feb 1998 11:44:57 +0900"
 	<199802190244.LAA02718@toto.noc.titech.ac.jp>
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Subject: [FreeBSD-users-jp 24874] Re: Ultra WIDE SCSI
Errors-To: owner-FreeBSD-users-jp@jp.freebsd.org
Sender: owner-FreeBSD-users-jp@jp.freebsd.org

$B$3$s$K$A$O!#Bm_7$G$9!#(J
$BHSEg$5$s$,4|BT$5$l$F$k%l%Y%k$N2sEz$K$OB-$j$J$$$+$bCN$l$^$;$s(J(^^;;$B!#(J
$B$J$K$;<j85$K(JWide$B$J(JSCSI$BJ*$,$J$$$N$G30$7$F$k2DG=@-$b$"$j$^$9$,!"(J
$B$=$N;~$OMF<O$J$/FM$C9~$s$G$/$@$5$$!#(J

$B$"!";d$,J,$+$k(J/$BM=A[$G$-$kHO0O$G$N%j%W%i%$$G$9!#(J

IIJIMA Akihiro <aki@noc.titech.ac.jp>$B$5$s$h$j$$$?$@$$$?(J
[FreeBSD-users-jp 24767] Ultra WIDE SCSI$B$h$j(J

>$B!c>.$5$J<ALd!d(J
>AHA-2940UW $B$K(J Ultra WIDE$B$J(JDisk$B$r7R$$$G$$$^$9$,!"(Jdmesg$B$N(J
>  ahc0:A:4: refuses WIDE negotiation.  Using 8bit transfers
>$B$N0UL#$r65$($F$/$@$5$$!#(J

Wide$B%b!<%I$G$d$j<h$j$5$l$k$H$-$O!"E>Aw%P%9I}$,(J16bit$B$K$J$k(J
$B$O$:$J$s$G!"!V%G%#%9%/$,7y$@$C$D!<$+$i!"$7$g$&$,$J$$$+$i(J
8bit(narrow)$B$G$D$J$0;v$K$7$^$9!W$C$F%a%C%;!<%8$8$c$J$$$G$7$g$&$+!#(J

Wide$B$J%G%#%9%/$,(JWide$B@\B3$r5qH]$9$k$H$$$&$N$O!"9M$($i$l$kMW0x$H$7$F(J
$B!V%G%#%9%/$N(JDIP$B%9%$%C%A$^$?$O%8%c%s%Q%9%$%C%A$N@_Dj$,!"(JWide-Enable
$B$K$J$C$F$$$J$$!W;v$,$^$:9M$($i$l$k$N$G$O$J$$$G$7$g$&$+!#(J

Disk$B$N%G!<%?%7!<%H(J($B$C$F$$$&$+!"4JC1$J%8%c%s%Q@_Dj%T%s$N@bL@$J$I$,(J
$B$+$+$l$?;f(J)$B$K!"(JWide Enable$B!J$^$?$O(JWide Disable$B!K$9$k%T%s$,$I$l$+$,(J
$B$+$+$l$F$k$H$O;W$&$N$G!"$=$l$r$^$:@_Dj$9$kI,MW$,$"$j$^$9!#(J

$B%G%#%9%/B&$,(JWide-Enable$B$K$J$C$F$$$k$N$K!"(JWide$B@\B3$r5qH]$5$l$k(J
$B$H$$$&$H$-$O!"(JSCSI$B%+!<%IB&$N@_Dj$G$"$k2DG=@-$,9b$$$G$9$M!#(J
$BE>AwB.EY$H$+!"(JWide$B@_Dj$N$"$?$j!"(JBIOS$B@_Dj2hLL$K=q$+$l$F$$$?$j(J
$B$9$k$s$8$c$J$$$+$H!#(J

>$B!c>.$5$J<ALd!d(J
>AHA-2940UW $B$K(J Ultra WIDE$B$J(JDisk$B$r7R$$$G$$$^$9$,!"(JFreeBSD$B$,(J $B$=$l$i$N(JDisk
>$B$r(J Ultra SCSI $B$b$7$/$O(J Ultra WIDE$B$H$7$F(J $B$I$A$i$GG'<1$7$F$$$k$N$+CN$k(J
>$BJ}K!$O(J $B$"$j$^$;$s$+!)(J 
>	boot: $B$G(J -v $B$D$1$k$H$+(J
>	$B$J$K$+%3%^%s%I$G$o$+$C$?$j$7$^$9$+!)(J

Wide$B$H(JNarrow$B$N0c$$$J$i!"(Jprobe$B%a%C%;!<%8$GJ,$+$k$H;W$$$^$9!#(J
$B>e$K$b=q$$$?DL$j!"!V(JNarrow$B$J$i(J8bit$B!"(JWide$B$J$i(J16bit$B!W$H$$$&E>Aw(J
$B%P%9$K$J$j$^$9$+$i!"$=$l$J$j$K(Jprobe$B%a%C%;!<%8$,=P$k$N$G$O$J$$$+$H!#(J

>$B!c>.$5$J<ALd!d(J
>$BGc$C$?(JDisk$B$,(J SCSI-2$B$J$N$+(J Ultra SCSI$B$J$N$+(J WIDE SCSI $B$J$N$+(J Ultra WIDE
>SCSI$B$J$N$+$r(J $B8+J,$1$kJ}K!$O(J $B$I$s$JJ}K!$,$"$j$^$9$+!)(J
>	BIOS
>	DOS/Win
>	FreeBSD
>$B$I$l$G$b$$$$$G$9$+$i(J $B65$($F$/$@$5$$!#(J

$B0lHVMpK=$J$N$O!"!VE>AwB.EY$H%P%9I}$+$i3d$j=P$9!W(J(^^;;$B!#(J

Fast Narrow	: 10MB/s,  8bit-Width
Fast Wide	: 20MB/s, 16bit-Width
Ultra Narrow	: 20MB/s,  8bit-Width
Ultra Wide	: 40MB/s, 16bit-Width

$B$3$s$J46$8$K$J$k$O$:$J$N$G!"(Jprobe$B$NMM;R$+$i3d$j=P$9$H$$$&$N$,(J
$BMpK=$J$d$jJ}$H$7$F$O9M$($i$l$^$9$M(J(^^;;$B!#(J

------------------------------------------------------------
$B!V(JMay the source be with you...$B!W(J
$BBm_7LwE5(J(asterisk@venus.dti.ne.jp)
