ZX-81 memory mod, case & keyboard restoration, test-drive
The ZX-81 is modified so to accommodate a modern, 32KB SRAM chip on-board, out of which 16KB are addressable. Its case is carefully restored to better-than-original condition and it gets a brand new keyboard. The entire system is put back together and tested. CHECK OUT https://www.thebyteattic.com/ FOR MORE. USED IN THIS EPISODE: 32KB CMOS SRAM chip: Alliance AS6C62256, Distrelec Article Number 301-51-432. Replacement keyboard: PureRetro PR-ZX81001, 2019 batch.
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