I think Ive managed to damage the Additional RAM connector to the upgraded (PowerPC)daughterboard on a 540. The machine will now only "see" 4mb plus 4mb onboard and doesnt recognise either a 12mb or a 32 mb RAM unit which Ive tried to use. Consequently we cannot use OS 8 and have had to downgrade to OS 7.5 to keep a ssystem working Presumably this is a permanent fault ?and I was wondering as the upgraded processor is apparently on the daughterboard ?whether it can be taken off and put on a spare, non upgraded daughterboard that actually works?( the old original one!) Any ideas would be very welcomed - was an expensive experiment! (despite the fact that we effectively got the daughterboard free it had to be shipped round the globe!)
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