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Here's a crazy idea: There are these ultra-mini handheld projectors (which are kind of expensive right now). Perhaps one could be rigged up to do rear-projection onto a translucent plastic "screen"?

This might be problematic for Macs, since the video circuitry in the BBU expects to find the framebuffer in the DRAM chips, not on the other side of the BBU, in the CPU socket. Maybe it'll need special pass-through RAM regions.

I know this is about reproducing the board itself, but I thought it might be useful to have a schematic version of the SE board. Well... I didn't get that far, but I did label many IC pins in Kai's (latest?) board image: annotated_se_board_001.png (5434×5434) This really helped me understand...

Threw together a minimal version of the board, just two headers and the 4 chips (no on-board termination). Hope I didn't make any mistakes, and OSHPark likes it, and I didn't miss an important component. :D  https://oshpark.com/shared_projects/FLWSmnqS (Board file / schematic is here, but I...

If making a custom PCB, it would be interesting to make a SWIM that works with standard IBM floppy drives instead. And/or even IDE hard disks. IMHO more valuable to the future of retromaccing than making a 1:1 SWIM. But! Do whatever is most fun! :)   p.s: Sorry to hear about health issues...