[Techtoolslist] Fluke 9010 ram test for 4 bits? Or any non 8 bit wide memory?

davids at oz.net davids at oz.net
Sun May 28 15:55:27 EDT 2023


Have a suspect bad pallet ram on Missile Command, and I see that it is on
the CPU memory map so I should be able to get to it from the fluke.

 

Now it is only 4 bits wide (and only uses 8 addresses) so I can just do it
manually but I have seen this on other boards before and never could find a
way to use the fluke to test these 4 bit rams.

 

Would also assume it could be a problem for 68000 based boards which use
16bit wide memory.  

 

David



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