You are right, 2.3.1 does not support SCSI. 2.2.4 owners will be able
to upgrade to 2.3 when it is ready. Tandy is committed to Xenix/Unix
and will offer the latest/greatest when the latest/greatest is in
good enough shape to be offered.
Roy Neese
Tandy Computer Product Engineering
UUCP@ {texbell,merch,killer}!cpe!neese