ZX-81 memory mod, case & keyboard restoration, test-drive (Pimp My Eight, episode 4, part 3)
29:17
ZX-81 bonus material and retrogaming! (Pimp My Eight, episode 4, part 4)
29:15
ZX-81 architecture overview and repair, mod and upgrade plan (Pimp My Eight, episode 4, part 1)
29:45
ZX-81 composite video mod and various upgrades (Pimp My Eight, episode 4, part 2)
14:13
The ZX81 Keyboard We've all Been Waiting For?
15:21
How to install a ZX81 16K Ram expansion - 10 minute mod!
25:59
Sinclair ZX81 Internal 16KB RAM Upgrade (Reversible)
23:51
ZX81 Mechanical Keyboard | ZX81 All New Parts | PART 3 | #sinclair #zx81
19:10