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From: CDTAXW@IRISHMVS.BITNET
Newsgroups: comp.sys.apple
Subject: GS and SCSI drives
Message-ID: <8701121800.aa02233@SPARK.BRL.ARPA>
Date: Sat, 10-Jan-87 12:34:00 EST
Article-I.D.: SPARK.8701121800.aa02233
Posted: Sat Jan 10 12:34:00 1987
Date-Received: Tue, 13-Jan-87 04:57:40 EST
Sender: daemon@ucbvax.BERKELEY.EDU
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According to General Computer (Makers of Hyperdrive and
the Hyperdrive FX/20 (SCSI) there is some software necessary
for the II series to work correctly with the SCSI drives.  I
have been fooling around with an Apple HD20SC (Mac version) as
well as a Hyperdrive FX/20 using the standard Apple SCSI card
and cable.  Both drives test out okay using the included (with
the card) SCSI diagnostic and running under ProDOS 8 and 16, and
they seem to work okay most of the time.  There are some problems,
however, with I/O errors when writing - they are intermittent, but
annoying nonetheless.  In addition, the GS does not seem to like
having both a
SCSI drive and a Profile hooked up at the same time - it
makes it almost impossible to boot without dumping into
the monitor.  Whether this is caused by the ROM bug (reported
earlier) in the SCSI card or something else, I know not.

As I have yet to get my hands on an Apple HD20SC for the II
line, I cannot try the installation disk which I am sure is
provided.  As for the Hyperdrive FX/20, they should be offering
their SCSI GS version sometime this month or next.  And then
there is the Sider (SCSI version).

Mark