How on earth can Linux run on 8-pin devices? The answer lies as you might expect, in emulation. Two of the chips are easy to spot, a USB-to-serial chip and an SPI RAM chip. The processor is an ...

The mod has been done before using the “piggyback” technique, where you solder the new RAM chips on the old chips and bend out a few pins out to directly wire them to chip selects elsewhere on ...