Hello.

I bought a cheap broken Packard Bell 610 recently and I'm in the process of restoring it. This system came with the common 486 era PB430 motherboard, the same one that Necroware restored: https://youtu.be/K1GZIU-lwuo?si=PGiAynGXnCM5l4rI

I've got my board booting and it seems to be working nearly perfectly, except for one small problem: the PS/2 mouse port does not seem to work.

Symptoms:

• PS/2 Keyboard port works
• Multiple known working PS/2 mice I have do not work
• Tried both the Microsoft mouse driver 8.20 and the latest CTMOUSE, neither works (no change)
• Tried removing all other expansion cards (no change)
• Tried disabling almost all onboard features (no change)
• Tried Deoxit on the PS/2 mouse jack (no change)
• Reflowed PS/2 mouse jack solder joints (no change)
• Desoldered & replaced PS/2 mouse jack (no change)
• Checked some (but not all) of the capacitors and inductors nearby the jack for potential damage (found nothing)
• Motherboard jumper J27 is CLOSED which should enable the PS/2 mouse
• Serial mice are detected and work fine

I'm about ready to give up and accept that the port is just dead, but I ordered a matching Packard Bell PS/2 mouse and it'd be a shame if I couldn't use it.

Anybody have any suggestions for other things I could check/try? Thanks.