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Mariokart 64 epoch board issues

Epoch board issues

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#1 freebucksguy

freebucksguy

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Posted 26 January 2026 - 12:52 PM

Hi, my mariokart 64 machine wasnt used for about a year, on powering it on it doesn't boot.
I checked the psu and replaced a close to dead capacitor hoping that was the issue, the psu seems to he working well.

So next I checked the boards and found the battery on the epoch board had leaked and taken out some traces from a chip, I repaired the traces without issue, but the no boot issue remains, on checking the battery contacts I found when powered on the board is sending 5v to the battery which obviously it shouldn't be doing.

Does anyone have any tips on what to check or replace?

Finding a new board seems to be hard to do fir a reasonable price and I have fairly good soldering skills do would rather repair than replace. Failing a repair does anyone have any good reasonable sources for a replacement board in the uk




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