Re: What's wrong with Revision B SCSI?

[The Byter <cabalslexicon@hotmaill.com>]

Well, after a few trials I did get it working with GS/OS 6.0.1.  Is it
only the format thing, or is there some other problem I should be
seeing?  Is it possible that I have updated firmware?  How do I tell?

I'll look for Stephen to see about getting a ROM.

Brendon


On Sat, 02 Jun 2001 05:02:22 GMT, a_specto@alcor.concordia.ca
(Mitchell Spector) wrote:

>The Byter <cabalslexicon@hotmaill.com> wrote:
>
>>In the FAQs and other resources I find on the net, it seems that the
>>card to have is either a RAMFast, Apple High Speed, or Revision C SCSI
>>card.  The one I have is a Revision B, and I got it working with an
>>old and tiny (5.25" full height 2 gig drive circa 1991) last night on
>>my //gs.  
>
>    The original Apple II SCSI Cards (September 1986 to April 1990)
>were all identical, what changed was the ROM firmware on-board.
>You can easily upgrade your revision 'A' or 'B' card by swapping the
>EPROM chip. Stephen Buggie was burning copies of the 'C' ROM
>for those looking for it.
>
>>I haven't installed GS/OS on it yet, but can access it fine (well,
>>32mb of it at least) in Prodos.
>
>    One of the drawbacks is it _won't_ work with GS/OS, you 
>need the latest ROM (revision C) to support it.
>
>>Am I asking for trouble working with a revision B card?
>
>    Potentially, yes. Any software that blindly tries to eject a
>hardisk partition will issue a format command and wipe out
>your volume!
>
>    Besides being incompatible with GS/OS, there are other
>limitations as well such as no support for CD-ROMs (it was
>only designed to work with hardrives). I can't remember off-
>hand whether it supported the same number of partitions
>as the Revision C ROM, though it's rather moot seeing
>as your limited to using ProDOS-8 or 16.
>
>Mitchell Spector
>a_specto@alcor.concordia.ca