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I'd brought an SE/30 back from the dead: replaced the vacuum-less CRT and assorted video components, recapped, added 64MB RAM, installed 32-bit ROM and BlueSCSI. It now runs MacOS7.6, A/UX, and NetBSD-3. Nice machine, but only serial networking. TCP/IP over LocalTalk is possible but it’s slow...

So I picked up an LCIII for repair. The TDK PSU was toast - caps are good but the optocoupler is open-circuit and I'm awaiting a replacement. So I bodged into service a spare Astec Beige G3 PSU and the machine booted-up fine on its aged caps. I quickly recapped with tantalums (as you do) but...

I’ve used a couple of the Rev G version of these NICs in Mac IIcx and IIci, and I’ve always have trouble with RJ-45 10Base-T. Operating through an external AUI transceiver is fine but direct RJ-45 connection mostly fails. People have reported these NICs don’t sync with modern 100/1000 switches...

I'm restoring an SE/30. The logic board needs recapping but the analog board and PSU are in pristine condition. So while I'm working on the logic board, is there a way of testing the video generation without the logic board being connected? Can the video signals be fudged to display a blank...