Electronics > Repair
What more i can do?
222Lab_Test222:
Non Working Board Address Inputs A0-A9
222Lab_Test222:
Continued...
Non Working Board Address Inputs A10-A17
222Lab_Test222:
Non Working Board Data Outputs Hqo-Hq7 (Working board High BIOS pins) and
Non Working Board Data Outputs Lqo-Lq7 (Working board LOW BIOS pins)
These are same, not a single change, I guess there is no address inputs so these data inputs are same and dummy outputs..
asis:
Hi,
@222Lab_Test222
I admire your persistence.
I try to help as much as I can, as do many others.
But, I doubt that anyone will be able to generalize the data that you presented.
-
Although, "The ways of the Lord are inscrutable"
Waiting for the DAMP
drhex:
Looks like all address signals are there? Didn't you say the high bits were missing on the EPROM? If they exist at the CPU and not at the EPROM this may well be your issue.
How many of these defect boards do you have? Maybe send a few around for people to have a direct poke?
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