By user votes:
If you’re trying to make a killing, you’re working against those of us trying to make a living.
Some technical notes on wiring up an EEPROM to the ET-3400, for those interested. read more...
I have successfully added non-volatile memory - something like a thumb drive - to
a 30-year-old computer that had no permanent storage. Basically, the only person
who cares is my 9-year-old self. But he’s dancing with glee! read more...