2 layers137 × 92 mm

RAMEXPB V3
Builder68/OpenEarlyMacsRAMexpansion
4 MB RAM upgrade for Macintosh 128K / 512K / 512Ke computers
77 parts10CERN-OHL-S-2.0
Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.

Builder68/OpenEarlyMacsRAMexpansion
4 MB RAM upgrade for Macintosh 128K / 512K / 512Ke computers