Can you get 80K out of your 48K ZX Spectrum with just one extra chip??
55:12
ZX Spectrum 80K Upgrades Part 2 - What's going on here then???
14:58
The Issue 1.5 ZX Spectrum and the "Dead Cockroach" Mod
18:10
Sinclair ZX Spectrum Tune Up!
17:32
Issue 6a ZX Spectrum 48K Repair - From Knackered to New
10:02
La computadora Gigatron - Actualización de nuevas caracteristicas
25:26
Turn your Pico into a 400MHz 24 Channel Logic Analyser
24:17
I built a ZX Spectrum Using All New Parts
20:49