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  1. thevowel

    Has anyone built a replacement power supply for a Zenith Z-110/120?

    The requirements are unusual - five different voltages! I'd like to use a modern power supply (Mean Well or similar) for the +5/+12v, but it would need a circuit to generate the +8/+16/-16v. I'd love to find that someone's already done that work so I don't have to. From the Z-100 Technical...
  2. thevowel

    Model 4 & M3SE question

    I'm looking at picking up a Model 4 that may or may not have working floppies. Since there are now auto-boot EPROMs available for the M3SE, does that mean that I'd be able to get things running as-is and worry about fixing the floppies some other day? Thanks!
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