Questions tagged [diagnostics]

Use this tag for questions about the specialist diagnostic software provided by manufacturers, or built into equipment. Do not use this tag for questions generally asking how to diagnose a problem or diagnostic techniques.

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CDTV Diagrom 1.2 Extended Memory Test AddressError Detected

I've picked up this CDTV some time ago, but didn't have DiagROM to test it properly. It is running perfectly fine, all features. My diag chip arrived this morning, and when I get to Extended Memory ...
3
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138 views

Please Identify this Apple II Diagnostic Message: “IOU FLAG E5: 1 2 3 4 8”

Does anybody know the meaning of this message from the Apple IIe diagnostic? IOU FLAG E5: 1 2 3 4 8 What are addressing the 1 2 3 4 8? I’m pretty sure that IOU is the I/O chip, E5 is the location ...
6
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Did the CPU test on the Apple //e Diagnostics utility do anything?

After reading about the Apple //e diagnostics card, I noticed on the screenshot below that it reports a CPU test and that the microprocessor is OK: So I'm curious did the PROCESSOR TEST actually do ...