*BSD News Article 88139


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From: Gabor Kincses <gabor@acm.org>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: atapi cdrom support
Date: Sat, 01 Feb 1997 13:51:35 -0600
Organization: University of Wisconsin, Madison
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Message-ID: <32F39EC7.41C67EA6@acm.org>
References: <32EFD61F.5925@hem.passagen.se> <32F0DFF7.167EB0E7@acm.org> <32F22BFD.41C67EA6@baynetworks.com> <5ctpu5$dm8@bofh.noc.best.net>
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Ron Echeverri wrote:
> 
> In article <32F22BFD.41C67EA6@baynetworks.com>,
> Robert Withrow  <bwithrow@baynetworks.com> wrote:
> >tom@bu.edu says:
> >> Make sure it is configured as the MASTER drive.
> >> If it is the slave and no master on the 2nd controller you may have
> >> a problem.
> 
> >gabor@acm.org says:
> >> Yeah.  Make it the slave device on the
> >> primary IDE channel.  I gather you have
> >> it as master/single device on the
> >> secondary IDE channel.
> 
> >What's wrong with this picture?
> 
> I'd have to agree with Tom; i have my ATAPI CDROM set as the master on
> my secondary IDE controller, and most people who've had problems with
> ATAPI CDROMs have had them as slaves.
> 


My original config was:
unit 0 (wd0):	540MB
unit 1 (wd1):	1033MB

unit 0 (atapi):	<CD-ROM CDU55E/1.0u>

This didn't work, the atapi device was never recognized
with the 2.1.5 floppy kernel.

Current config:
wdc0 at 0x1f0-0x1f7 irq 14 flags 0x80ff on isa
wdc0: unit 0 (wd0): <ST31220A>, multi-block-32
wd0: 1033MB (2115792 sectors), 2099 cyls, 16 heads, 63 S/T, 512 B/S
wdc0: unit 1 (atapi): <CD-ROM CDU55E/1.0u>, removable, accel, dma, iordy
wdc1 at 0x170-0x177 irq 15 flags 0x80ff on isa
wdc1: unit 0 (wd2): <Maxtor 72004 AP>, multi-block-32
wd2: 1916MB (3924144 sectors), 3893 cyls, 16 heads, 63 S/T, 512 B/S

I had to do this on a friend's machine as well, since the
CD-ROM wasn't recognized as secondary master.  Go figure.

I guess the moral of the story is to just try all possible
configs until it works.

Anyone knows if 2.1.6 or 2.2 improves on this situation?
I'd like to put the cover back on the box eventually...

-- 
Gabor Kincses
(gabor@acm.org)