From owner-FreeBSD-users-jp@jp.freebsd.org  Thu Feb 19 12:10:13 1998
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Date: Thu, 19 Feb 1998 12:13:47 +0900 (JST)
From: Junichi Kurokawa <jun@sinfony.ad.jp>
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In-reply-to: <199802190244.LAA02718@toto.noc.titech.ac.jp> (message from
 IIJIMA Akihiro on Thu, 19 Feb 1998 11:44:57 +0900)
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Subject: [FreeBSD-users-jp 24776] Re: Ultra WIDE SCSI
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  >$B!cBg$-$J<ALd!d(B
  >FreeBSD$B$G$O(B Ultra WIDE $B$J(B SCSI Disk $B$r(B Ultra WIDE $B$H$7$FMxMQ$G$-$^$9$+!)(B
  >	2.2.5$B$G$O(B $B$^$@;H$($J$$(B $B$H$$$&Ez$($r4|BT(B
  >
  >$B!c>.$5$J<ALd!d(B
  >FreeBSD 2.2.5R , AHA-2940UW $B$G(B 
  >Ultra WIDE $B$J(B SCSI Disk $B$r(B Ultra WIDE $B$H$7$FMxMQ$G$-$F$$$k?M$O$$$^$9$+!)(B
  >
  >	$B!v!v!v(B
  >
  >$B$3$A$i$N4D6-$O(B
  >
  >$B%^%6!<%\!<%I(B ASUS P2L97-S (aic7880 onboard)
  >	Adaptec BIOS$B$G(B Ultra Enable $B$K$7$^$7$?!#(B
  >	Max 40MB $B$H$+$G$^$9!#(B
  >Disk$B$O(B 
  >	ID 0	Ultra WIDE $B$H$$$C$FGc$C$?(B 4.3G Disk  68pin
  >		$B!J$3$l$,(B $B4V0c$C$F$$$k$N$+$J$!!K(B
  >	ID 1	IBM$B$N(B Ultra SCSI 4.3G  50pin
  >
  >
  >$B$3$l$K(B FreeBSD 2.2.5R $B$r%$%s%9%H!<%k$7$^$7$?!#(Bdmesg$B$G8+$k$H(B
  >
  >ahc0 <Adaptec aic7880 Ultra SCSI host adapter> rev 0 int a irq 12 on pci0:6
  >ahc0: aic7880 Wide Channel, SCSI Id=7, 16 SCBs
  >ahc0 waiting for scsi devices to settle
  >
  >(ahc0:0:0): "IBM DCAS-34330W S65A" type 0 fixed SCSI 2
  >sd0(ahc0:0:0): Direct-Access 4134MB (8467200 512 byte sectors)
  >ahc0:A:4: refuses WIDE negotiation.  Using 8bit transfers

$B%a%C%;!<%8$r8+$k8B$j(Bwide negotiation$B$r5qH]$5$l$F$$$^$9$M!#$3$&$$$&$H$-$O(B
$B$^$:(Bvendor$B$N%[!<%`%Z!<%8$X!#(B

<http://www.storage.ibm.com/techsup/hddtech/dcas/dcasjum.htm>

>Enable TI-SDTR/Enable TI-SDTR/WDTR (JP8) 
>
>When the jumper is installed the drive will initiate synchronous data
>transfer spped negotiation (50,68 & 80 pin) and initiate wide data
>transfer request (68 & 80 pin) following a SCSI bus reset or power on
>event.

$B$3$N%8%c%s%Q!<$r:9$7$F$$$^$9$+(B? $B$^$:FI$s$G$_$^$7$g$&!#(B


						jun@sinfony.ad.jp

