Tag Archives: RAM
Refurbishing a 48K Rubber Keyed Sinclair ZX Spectrum – Pt.3 Upper RAM Replacement
As I had assertained earlier, the 48K Rubber Key Spectrum I was refurbishing required it’s Upper RAM to be repaired. Since the chips inside of the machine were old, I elected to replace them with a complete Upper RAM Module. … Continue reading
Diagnosing 48K Spectrum Upper RAM Faults
By way of a break from the refurb posts; I was recently part of a conversation on FaceBook regardig a coulple of 48K Rubber Key Sinclair Spectrums. Both were proved to have faulty Upper RAM problems by issuing the command … Continue reading
Refurbishing a 48K Rubber Keyed Sinclair ZX Spectrum – Preparation
Recently, I was lucky enough to ‘win’ a pair of 48K Sinclair Spectrums. The original rubber keyed variety. This model was one of the first I ever owned (the actual first being a Sinclair ZX81). Here, I have managed to … Continue reading
Spectrum Resurrection
All the excitement around the Spectrum Next Kickstarter, and now the shop opening on the forum got me inspired to get hold of an original machine on eBay. Supposedly in working condition, it arrived with a problem. The eBay seller … Continue reading