Re: Looking for GS-RAM+ GSPLD1A.1 Chip

["Henry S. Courbis" <apl2research(a.t.)comcast.net>]

>>    I had the impression that the B PLD was an upgrade that allowed a
>> GSRAM+ card to be used in any IIgs.  But from the content of the prior
>> messages in this thread it would seem that a GSRAM+ card with the A
>> PLD can only be used in ROM0/1 IIgs and that a GSRAM+ card with the B
>> PLD can only be used in ROM3 IIgs.  Is that right?
>> Willi

> I had previously thought that as well. But, after discovering that my card 
> with the B chip would not work in any of my IIGS's (all of them either ROM 
> 0 or ROM 1), I did some research online and found several sites reporting 
> that ROM 0 & 1 require the A chip and won't work with the B, while the ROM 
> 3 requires the B chip and won't work with the A.

Yes, that is correct.  After a bit of personal testing I too learned that 
'A' is ROM0/1 and 'B' is ROM3 only.  What a pain!


-- 
Henry S. Courbis
www.ReactiveMicro.com
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