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Old 18th Mar 2021, 12:52 am   #1134
ajgriff
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Join Date: May 2004
Location: Halifax, West Yorkshire, UK.
Posts: 2,587
Default Re: Non-working Commodore PET 3016

Quote:
Originally Posted by SiriusHardware View Post
Or remove them all intact, fit sockets and if possible fit combinations of them to try to find a combination of 8 out of 16 of them which will work as 8K, if that is a valid combination in these machines. Then cycle through the remaining ones to find out which ones stop the machine from working, much as you did with yours.
It's too late for my brain to work out the chances statistically of finding the right combination given the unknown number of faulty chips but I know the chances are not good. If there's only one faulty chip you might get lucky. It's still the 'blanket' approach for me.

Alan
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