🚀 go-pugleaf

In <7i61a3$hrv$1@dyfi.aber.ac.uk> "Ian Gledhill" <img4@aber.ac.uk> writes:

>>Ok, The SS1, as well as the SS1+ and SS2 machines, all have the same
>>memory requirements. They can use either 1 or 4 meg, 30 pin, *parity*
>>SIMM's which are 80 ns or better. They have to be installed in banks of 4
>>at a time.


>It should be stressed that the chips must be 9 chip SIMMS: don`t be
>tempted to experiment with 3chip ones as they'll blow.  Also, the SS1
>machines use RAM that's 100nS or faster, only the 2 IIRC needs 80nS.

I've had 3-chip SIMM's working fine in Sparc 1+'s and 2's when all the RAM
was 3-chip, and not a mixture. Maybe the Sparc 1's have a problem because of
a different DRAM controller, or an otherwise different design feature.

Regards,

Craig.

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