Got an old barn 286-12mhz system yesterday.
Included:
1.2meg floppy
1.44meg floppy drive
50meg Quantum IDE Hard drive.
Trident 8800cs VGA 8-bit card with VGA and TTL output.
IDE/Floppy ISA card
Serial/Parallel ISA card
AT case and PSU.
The heart of the system is the motherboard below, sporting a 286-12mhz CPU and 4meg of socketed RAM (that is a lot of RAM for just sockets!):
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This motherboard had a leaking CMOS battery, as per below:
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So that had to go and the entire motherboard received a full wash and basic repair. A couple of the tracks looked a little iffy, so I repaired those, (one with a bit of wire, the other I just ran solder over the top as it wasn't as badly damaged).
When I first powered it up, the tantalum capacitor on the 12V line exploded. That was fun. It blew off it's leads and landed in the middle of the board, giving it a little burn. Thankfully, no real damage, and the board powered back on and worked once it had burnt it's shorted capacitor.
The hard drive also works fine, but started with a bit of a grind and whirr, as the old grease in the spindle bearing had settled and need a minute to redistribute.