Just got these. The first is Epox 7KXA Slot A motherboard. It came with Athlon 650MHz. I already left the CPU to my workshop and naturally forgot check the actualy type, but I think it is Argon as it has silver heat plate under the heatsink. I think Pluto has black one, but I may be wrong. Neat thing is that it even has the IO plate. Seller has buttloads of retro computer stuff and he said that he at one point tested it and it worked, but it requires recapping. And indeed, two VRM caps are bulging and there is probably zero stability left, so I need to do this one before I seriously start tinkering with it. Bought the CPU and MB for 40€. These Slot A boards pop up very rarely locally nowadays, but I really wanted one and I find the platform really cool.
Rest of the stuff is from different places, a new unused Cooler Master SECC cooler specifically "aimed" for Slot A and 750MHz Pluto.
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Next is one of these cute tiny 386SX boards, specifically TMC/MyComp/MyNix/Megastar PAT3XAL (VER. 2.0) with 40MHz Am386SX-40. It came with an IO card and four sticks of RAM, my guess is that it is 2x1MB + 2x2MB sticks, but I didn't check them that closely. Gladly the Varta battery was removed early and it is very clean. There is tiny amount of corrosion on couple of jumper heads and some diode/resistor legs, but nothing big and all it should need is a bit more thorough clean and it is good to go. I paid 30€ for this lot. I originally bought this as a compact bench ISA test bed, but I'm currently waiting an AT desktop case to arrive and I may even throw this in it. It must look absolutely hilarious in a case that as far as I know should eat full AT size motherboards.
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I also got few CPUs and some misc cards, but I need to sort those out. Pics may or may not come next weekend or so.