Independence Research
Orem, UT 84057
Products
| Name | Description | Computers |
|---|---|---|
| 64KT/64KZ | 64K RAM upgrades which mount inside the TS 1000 or ZX81. Installs in a minute with no soldering, and easy to follow instructions. Disable the 10-12K, 8-12K, or 8-16K areas of memory with a switch. Models specific to the ZX81 and TS 1000. | Sinclair ZX81, Timex/Sinclair 1000 |
| Internal 16K RAM Expansion | PC board and instructions. Instructions, $7.95. | Sinclair ZX81 |
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