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Near Lubbock, Texas in the US. If you'd like I can try and find time to take pics of the inside.

Would these be useful to you? I seem to recall I got a bunch of these (I think they were still new in box) as e-waste, but I didn't think anyone would ever want them again, so I've pilfered most of them for their nice 1U cases and power supplies. I have two left that appear to be mostly...

The CPU is the part under the heatsink and is just a regular Intel 80286 in CLCC package; the part marked IMP is presumably the main "chipset" of some sort. The part number hasn't lead me anywhere. No markings on the underside. Where did you find the info that the IMP mark belonged to...

It does look like that trademark was owned by the same MICRO MAIN COMPUTER CORPORATION with the same address as is printed on the motherboard. Wonder if they originally designed it and sold it off to someone else?

Someone else did recently bring that ad to my attention -- I wonder if it's the same board. Maybe they hired a contractor to design it and this was one of the original test/prototype/reference boards? Maybe they just grabbed a random pre-existing BIOS ROM off something else and shoved it in...

Hi, I'm hoping someone can tell me more about this weird motherboard that I'm guessing was some kind of prototype. It has a 286 CPU but wants an XT keyboard. POST says "Copr. 1984,1985 SAMSUNG Personal Computer", and the ROM stickers are hand written. There's an engineering sample component...

I don't, sorry. Most of the ones that I've found have already been destroyed.

I saw your order, thank you! It looks like eBay might have overcharged you for shipping -- when I get back to the shop later today I'll get it packaged up and refund you the difference.

I've put them up on eBay (#175222419599). No reasonable offer will be refused, gotta get them moving fast.

Hi, I'm the guy with all those adapters. If I ended up breaking them down, I thought about keeping and selling the cases and connectors in case someone wanted to reuse them. There's not too much value in the individual components in there, so hoping to find homes for them as complete units...