dahnz
New member
Having fixed my power supply issues (RAM is now getting +4.9, -4.9, and 12.2), I'm trying to pin down the 1-3-8 message I keep getting on this board. I've tried swapping RAM chips, replacing the socket, and checking continuity. I thought I'd found the problem when I found the D37 trace was broken between 3R and 4H but fixing it didn't get rid of the error. I've also socketed and replaced the 74LS374s and the 74153s.
Any suggestions?
Any suggestions?
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