From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Fri, 20 Oct 1995 19:36:16 -0400
From: Jim Davis jdavis@cs.arizona.edu
Subject: PC installation problem with aha1542.
Topicbox-Message-UUID: 2f5f36ba-eac8-11e9-9e20-41e7f4b1d025
Message-ID: <19951020233616.fZAWTgqCkb2zFGudDX6c11dCg8ZBSxu2heQKQoDdvCY@z>

Thanks!  The new b.com, plus disabling 

Extended BIOS Translation for DOS Drives > 1GB
Dynamically Scan SCSI Bus for BIOS Drives
BIOS Support for More Than 2 Drives (MS-DOS 5.0 and above)

in the 'Advanced configuration options' menu of SCSISelect seems to have
done the trick.