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Date:      Wed, 23 Aug 2000 23:29:04 -0700 (PDT)
From:      "Barrett G. Lyon" <blyon@theshell.com>
To:        Paul Saab <paul@mu.org>
Cc:        freebsd-scsi@freebsd.org
Subject:   Re: Adaptec 3960D Ultra160 issues
Message-ID:  <Pine.LNX.4.21.0008232326360.10771-100000@arsenic.theshell.com>
In-Reply-To: <20000823224924.A90931@elvis.mu.org>

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/- Wed, 23 Aug 2000, owner-freebsd-scsi@FreeBSD.ORG (paul@mu.org)
| Turn off write caching.
| On recent 4.1 stable
| echo "WCE: 0" | camcontrol modepage da0 -m 8 -P 3
| On older 4.1 stable
| EDITOR="/usr/bin/perl  -i -pe 's/1/0/g if /^WCE/'" camcontrol \
|     modepage da0 -m 8 -P 3
| 
| Its a bug with U160 drives these days..  The otherway to fix it is to
| get an updated firmware from your drive manufacturer.
\-

Paul:

Thank you, I hope that will do the trick.  I found a write cache option in
the adaptec bios as well and set that all to no.  As an unrelated
problem I am still having the disk come up as 40 MHz, I am not sure why it
will not run at 80 MHz.

-Barrett



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