Reply 37360 of 52943, by appiah4
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appiah4 wrote on 2020-12-24, 08:56:Acquired a bit of stuff lately. First, the less important stuff: […]
Acquired a bit of stuff lately. First, the less important stuff:
Now, the more interesting merchandise. A boxed and allegedly NOS 486 motherboard popped up for around $15, so I jumped on it and grabbed it. It was untested in unknown condition so I gambled my chances.
Whoa, that's a 386/486 Hybris motherboard with VLB? An AOpen Vi9 apparently. Not sure whether it's a valuable piece or collectable, but it sure is interesting to me! No cache, but I have spare cache chips from other dead motherboards lying around if I ever want to use it.
Of course it came with obligatory barrel battery leakage..
..which looked pretty horrible, particularly on that sticker at the bottom - I thought the traces were already lifted and gone.. But it actually wasn't that difficult to mostly fix with vinegar, alcohol and some scrubbing with a flat head screwdriver.
And voila:
I haven't tested it for POST yet but all the traces have continuity. I will do a POST test later tonight.
Well, this board does not seem to POST at all. Nothing on the POST card either. I tried it with or without cache installed, no dice. I get power to the CPU, it gets a bit warm and that's about it - nothing else.. Sad 😒
Retronautics: A digital gallery of my retro computers, hardware and projects.