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Date: Fri, 29 Mar 1996 23:43:43 -0500 (EST)
From: Frank Seltzer <frankd@yoda.fdt.net>
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To: Paul Broome <broome@msiadmin.cit.cornell.edu>
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Subject: Re: Other disks of Pioneer DRM-624X changer
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> Thanks.  I'll take guesses too.
> 
> But a message in this group about a month ago said that the ch device is
> for scsi tape changers and that cd was for cdroms, including changers.
> 
> -Paul
> 
> Paul Broome <broome@msiadmin.cit.cornell.edu>

A quick look at the kernel config file LINT says:

device          ch0     #SCSI media changers

It is not specific in what media changers it is required. I assumed 
(maybe incorrectly) that this applies to all SCSI changers, including CDROMs.

Frank