SCSI Fatal Memory Fault error (?)

[jchappel@TYRELL.NET (Jeanne Chappell)]

Wondering if anyone has any ideas.  Our club IIGS decided (at our
last Users Group meeting) to give us problems.  I take my Hard Disk,
RamFast SCSI card and MEM card to the meetings for the demos.  Well,
the computer would not boot off my hard drive.  I finally booted off
a floppy and we crippled along with the demo.
 
I brought the club computer home and did some experimenting.  I tried
3 different SCSI cards (RamFast Rev C, Rev D and an Apple High Speed
SCSI card) - trying to boot from both slot 6 and slot 7.  I also
tried 2 different MEM cards and even placed my spare CPU chip into
the computer.  NO GO!  Yet they ALL worked in my computer so the
problem is not the cards.
 
With the RamFast Card installed, I get the error message upon trying
to boot:
 
   RamFast - SCSI Fatal Memory Fault code = 0C
 
I called Sequential Systems this morning to find out what this
message meant.  I was told I may have a weak power supply.  SO...  I
replaced the power supply with my IIGS power supply and still NO GO!
 
Any ideas.  (Remember, the computer DOES BOOT OK from a floppy)
 
I was hoping to be able to fix the computer without costing the club
$$$s.  I am not afraid to try switching items, etc but my knowledge
ends there.
 
Thanks for any help provided...  Jeanne
 
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|    Jeanne Chappell                   |        MOMkat  ^..^  from         |
|    Internet: jchappel@tyrell.net     |        Overland Park,  KS         |
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