Michael WesselAnd now - 4 times the amount of RAM compared to the original stock system! Woohoo!
PicoRAM as a memory expansion (2 KBs)
A project log for PicoRAM Ultimate
SRAM Emulator and SD Card Interface for Vintage Single Board Computers (such as the Heathkit ET-3400, Lab-Volt 6502, and Microprofessor)
Discussions
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