4 layers184.9 × 243.8 mm

Project NuXT
monotech/NuXT
MicroATX Turbo XT Motherboard, with VGA, Floppy, CF, Serial
223 parts121GPL-3.0
Boards in 5 GitHub repositories, designed in KiCad, that use the 74F138D by NXP Semiconductors (SOIC-16 Signal Switches, Multiplexers, Decoders ROHS). See how each wires it, with its parts, size, README and files; the 74F138D’s symbol, footprint and pinout are on its own page.

monotech/NuXT
MicroATX Turbo XT Motherboard, with VGA, Floppy, CF, Serial



cm68/Z280-S100
16-bit Zilog Z280 CPU card for the IEEE-696 S-100 backplane; glue logic in two ATF1508AS CPLDs
