From owner-freebsd-scsi  Wed May 28 14:23:38 1997
Return-Path: <owner-freebsd-scsi>
Received: (from root@localhost)
          by hub.freebsd.org (8.8.5/8.8.5) id OAA03758
          for freebsd-scsi-outgoing; Wed, 28 May 1997 14:23:38 -0700 (PDT)
Received: from dyson.iquest.net (dyson.iquest.net [198.70.144.127])
          by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id OAA03736;
          Wed, 28 May 1997 14:23:32 -0700 (PDT)
Received: (from root@localhost)
	by dyson.iquest.net (8.8.5/8.8.5) id QAA14153;
	Wed, 28 May 1997 16:23:19 -0500 (EST)
From: "John S. Dyson" <toor@dyson.iquest.net>
Message-Id: <199705282123.QAA14153@dyson.iquest.net>
Subject: Re: More ahc0 driver problems.
In-Reply-To: <Pine.NEB.3.95.970528130940.15391K-100000@mail.cdsnet.net> from Jaye Mathisen at "May 28, 97 01:11:39 pm"
To: mrcpu@cdsnet.net (Jaye Mathisen)
Date: Wed, 28 May 1997 16:23:19 -0500 (EST)
Cc: scsi@FreeBSD.ORG, hackers@FreeBSD.ORG
X-Mailer: ELM [version 2.4ME+ PL31 (25)]
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Sender: owner-freebsd-scsi@FreeBSD.ORG
X-Loop: FreeBSD.org
Precedence: bulk

> 
> How do I turn on write caching in my drive?  I assume I have to edit some
> mode page, but heck if I know which one.
> 
scsi -f /dev/rsdX.ctl -m 8 -e

The flag that you want to set is WCE.

John