Millipede ROM error code EA

mochaman

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On my Millipede in test mode, I get a EA error. It is at P2, which is socketed. I have another chip that I put in and the error did not go away. I'm guessing it is from something else. Where would I begin to check for a faulty piece? I have a logic probe, (just learning how to use it and how to read how the chips are suppose to read with a probe (hi/low)).
 
EA is the EAROM. which is your high score save chip, don't worry about the logic probe.

a couple things about it.
1) first if this is the first time you turned it on... play one full game. then turn it off
if the error goes away, your good, it needs to reset itself.

2) your power supply must be able to supply the necessary voltage (I think +30V, not 100% sure) make sure all your voltages are correct

3) if that does not work, replace the EAROM chip. (Again after replacing see step 1)
 
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