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Date:      Sun, 24 Feb 2002 10:01:08 -0500
From:      Bill Vermillion <bv@wjv.com>
To:        stable@FreeBSD.ORG
Subject:   Re: Toshibae DVD-ROM in Sony laptop not recognized
Message-ID:  <20020224150108.GB83570@wjv.com>
In-Reply-To: <bulk.38436.20020224030920@hub.freebsd.org>
References:  <bulk.38436.20020224030920@hub.freebsd.org>

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> 
> Date: Sat, 23 Feb 2002 13:45:21 -0800
> From: Claus Assmann <freebsd+stable@esmtp.org>
> Subject: Toshibae DVD-ROM in Sony laptop not recognized

> I have a Sony VAIO PCG-XG9 with a Toshiba DVD-ROM (model no. SD-C2202)
> running FreeBSD 4.5 release. During boot this message shows up:
> 
> /kernel: ata1-master: <TORHHB@ DVD-ROL RD,C2202/0021> Unknown device - NO DRIVER!
> 
> Could this be a hardware problem (the garbled string looks suspicious,
> the laptop takes pretty long before it even comes up with the
> bootloader) or a software problem?  Does anyone have this combination
> working?

Look closely at the garbled string. Looks like a bit is stuck
low. S drops on character to R, I drop 1 to H amd A drops to @

Last time I saw that was a long time ago with a chip that was bad.
All the above are indications that bit 0 is stuck at 0 instead of
going to 1.

Bill

-- 
Bill Vermillion - bv @ wjv . com

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