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I'm working on making a Sam Coupe ATX clone and I need help figuring out a way to use a PS/2 keyboard with it. I did find a device that would do what I want, but it's for sale only on a questionable website. The original Sam Coupe keyboard was a passive 8x8 matrix, if that helps. I can...

Context: I have flashed ROMs in the past on various cards and motherboards in the PC world in the past. I'm wanting to flash the ROM on an Adaptec 39160 PCI-X card and use it permanently in my Quicksilver G4 tower. For clarification, this is a 64-bit PCI card, not PCIe, PCI-e, or anywhere...

I recently got a Power Mac G4 Quicksilver and I was wondering if a video card from a G5 Cheese Grater would work in it. I've found versions that seem like they would work being that they have a normal 8x AGP card edge except for an extra card edge bit towards the monitor connector end of the...

What uses the 25v rail in a Power Mac G5 tower? Just a question for futureproofing, nothing more.

I'm looking for information as to what this is. The "all-knowing" Google is stumped. This is part of the LCD circuitry for my Zenith SuperSlim 286 laptop. That's all that I can figure. The reason why I want to even mess with it is due to the corrosion on the underside of the motherboard on...

Hello all! I have embarked on a task to remake the Tandy 1000 keyboard's PCB. Here's my plan: 1) Create the PCB in KiCad (I have it mostly done at this point) 2) Send the gerbers off for manufacturing. 3) Buy enough Cherry MX switches to assemble a few keyboard PCBs. 4) 3d print adapters...