COMING SOON

ZX81 complete with 5 Upgrades and Guarantee

1 - RF Modulator upgraded to composite video adapter.  Uses the Ginger Electronic ZX8-CCB adaptor installed in the original RF modulator housing.

2 - Heat-generating linear regulator replaced with highly efficient switching regulator.  Your computer will run cooler improving the reliabilty the ULA and other components.  

3 - 2K RAM upgraded to 16K - Uses the Cypress Semiconductor  CY62256 32K x 8 static RAM chip.

4 - New keyboard with tactile switches.  Uses the Ginger Electronic ZX8-KDLX Keyboard.

5 - Original clamshell case replaced with new clamshell purchased from Sinclair spare parts facility.  The raised red ZX81 logo is unscratched.  New Rubber Feet.  I don't know of any other company that still has an inventory of original new-condition Sinclair ZX81 cases.

After the upgrades are installed, every unit is burned in for 24 hours before final tests are performed.

COMES WITH 60 DAY MONEY-BACK GUARANTEE