• Updated 2023-07-12: Hello, Guest! Welcome back, and be sure to check out this follow-up post about our outage a week or so ago.

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  1. landoGriffin

    ATX Power Supply Mod for Quadra 840av

    Hi all! There's some really cool stuff going on in this forum with power supply conversions to use an ATX PSU to replace a failing vintage Mac PSU. I'm curious if anyone has made a nice adapter board for the Quadra 840av power supply?  There's lots of good information in this thread to start...
  2. landoGriffin

    "New" 68-pin VRAM modules?

    I recently got my Quadra 840av working (best dumpster find ever!). I'd love to upgrade the VRAM to 2MB. Looking at the VRAM modules on eBay, they just look like a couple SRAM ICs with some bypass caps. Has anyone ever tried making their own VRAM PCB?
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