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Hello, I got a cacheless UM498 with soldered-on 486 CPU. There is a bodge resistor on the back I didn't notice before with one leg unattached, so I'm unlikely to proceed with trying to fix it further. I looked around for what looked like the place where it got detached from and soldered the leg...

Hello, I got this Turbo XT clone board from ebay. It came with no CPU or BIOS. I have put a NEC V20 on. The first sign of life I got was that using an AMI XT BIOS, partway after powering it on the turbo LED comes on, and this didn't happen with no BIOS at all. I got Ruud's diagnostic ROM...

Hello, I picked up a Maxtor XT-1140 that probably hasn't been powered on since the 1980s. +12V to ground - 35 ohms. Bad? +5V to ground - 1.2 kohms Suggestions on where to start? I'll probably just bring it to one of the repair workshops sometime.

Anyone want to unload one of these? I'm offering $75 for a tested one that already has the coin battery modification done.

I've just finished building a VLB 486 machine and at some point want to do a PCI w/ 5x86-133. Long ago I once had a Biostar MB-8433UUD. Never realized it would gain a "cult following" or I would have kept it (keyboard connector was broken). Looking for one, though, I discovered another board on...