By Richard Booth. 162 pages.
One of the first homegrown RAM modules made in the US for the ZX81. Byte-Back went on to produce all kinds of other accessories for the Timex/Sinclair computers.
The big kahuna of RAM for your Sinclair ZX81/TS1000. Available with white shipping box or without. Both include the manual.
This product has multiple variants. The options may be chosen on the product page
Eric Burgess, Howard Burgess. 153 pages.
Published by E. Arthur Brown Company, this guide includes nearly all products available for the Timex/Sinclair 1000 at the time. 90 pages.
The book you spent hours with, learning how to use your Timex/Sinclair 1000.
A single, lonely 16K RAM pack, just waiting to be matched up with a ZX81 or, even better, a Timex/Sinclair 1000.
There’s not much to say about these boards. Maybe you could mine them for the 8251 on board or find a use for the old RS-232 line driver?
It’s a 2040 printer, no power supply. Those dark spots where the zeros should be in 2040? I’m pretty sure they’re LEDs. Not sure why you’d need one, much less two LEDs on a 2040, but there you go.
