Subject: Re: New CD-ROM: Is this a Problem?
To: None <burgess@s069.netins.net>
From: Charles M. Hannum <mycroft@ai.mit.edu>
List: current-users
Date: 04/04/1995 01:43:47
   [...]
   aic0 targ 2 lun 1: <NEC, CD-ROM DRIVE:55, 1.0> SCSI1 5/cdrom removable
   cd1 at scsibus0: cd present, 345098 x 2048 byte records
   aic0 targ 2 lun 2: <NEC, CD-ROM DRIVE:55, 1.0> SCSI1 5/cdrom removable
   cd2 at scsibus0: cd present, 345098 x 2048 byte records
   [...]

That's because your CD-ROM drive's firmware (like *many* NEC CD-ROM
drives) is buggy, and doesn't handle logical units correctly.  I'll
add it to the Great List of Known Broken Hardware, and it should work
okay.