Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!samsung!munnari.oz.au!comp.vuw.ac.nz!actrix!Roger.Sheppard
From: Roger.Sheppard@bbs.actrix.gen.nz
Newsgroups: comp.sys.atari.st
Subject: Re: Atari SH204 hostadapter with 'genuine' SCSI drives
Message-ID: <1990Dec13.114036.573@actrix.gen.nz>
Date: 13 Dec 90 11:40:36 GMT
References: <1990Dec10.110739@kboeng.enet.dec.com> <2773@atari.UUCP>
Sender: Roger.Sheppard@actrix.gen.nz (Roger Sheppard)
Organization: Actrix Information Exchange, Wellington, New Zealand
Lines: 39
Comment-To: apratt@atari.UUCP
Distribution:world

In article <2773@atari.UUCP> apratt@atari.UUCP (Allan Pratt) writes:
> heiden@kboeng.enet.dec.com (Matthias Heiden) writes:
> 
> [Edited]
> >I would like to upgrade my original SH204 with another drive.
> >As far as I understand the hostadapter inside the SH204 understands
SCSI.
> >Does anybody has experience with this solution ? What sort of
problems could I
> >run into ?
> 
> This works for some SH204's.  However, the power supply in the SH204
is
> not beefy enough for some drives.  The only way to tell is to see if
it
> dies. Therefore this is not recommended practice.  In addition, the
> host adapter might have the "old" PAL, not the "new" one, which won't
> return some errors from the SCSI controller.  This bit me recently:
the
> "old" PAL didn't return "write protected" from my Syquest drive, and
> boy was I confused!  The writes seemed to work, but the cached
> directory etc. didn't match what was actually on the disk.
> 
> The "old" PAL has the number 60AC on it.  If the little board in your
> SH204 has a chip with that number on it, it won't return some errors
> from the drive.  I don't know how to get the "new" PAL - maybe dealers
> can order it.  Since the SH204 is not in production any more, this
> might be hard.
> 
> ============================================
> Opinions expressed above do not necessarily -- Allan Pratt, Atari
Corp.
> reflect those of Atari Corp. or anyone else.   ...ames!atari!apratt
 
Did not Berkeley Microsystems produce a replacement PAL, or some other
company did, as this would be some time back...
 
-- 
Roger W. Sheppard   85 Donovan Rd, Kapiti New Zealand...