Help troubleshooting a 9010A

I been having trouble posting to the group... trying again.

I have 2 non-working 9010A units. On both they beep once, LEDs flash, then nothing.

Hooked up a working 9010A that I borrowed (thanks David). Bus tests fine. RAM returns the following:

R/W ERR @ C000 BTS 08 - LOOP?

Manual states:
If a RAM failure occurs, carefully examine the diagnostic message. The RAM Test is usually sufficient for deducing the failed component directly.

It then does not explain how to read the message. :-) I am new to this, so be kind if its a stupid question.

I deduced that there is a Read/Write error at C000. How do I "deduce" the failed component?

Barry
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Received on Tue May 26 21:10:12 2009