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Results tagged with zx-spectrum
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user 7470
For questions about the different versions and products of the Sinclair ZX Spectrum computer
2
votes
ZX Spectrum fault
If this is what is displayed when the Spectrum is powered up, then it could be showing a memory problem. Without more information, it is not easy to say.
- 423
1
vote
Why did the Sinclair ZX-Spectrum use a membrane keyboard?
I had a ZX81 before I had my Spectrum. I am sure I am not alone in being grateful for the huge improvement, at minimal increased cost of the Speccy compared to the 81.
The 81 membrane was very fragil …
- 423
0
votes
Powering up my ZX Spectrum
Be aware that there may be sellers that claim to be suitable, but do not specify whether it is centre negative or not. I bought one, then checked, based on the advice on this forum about the damage th …
- 423
21
votes
3
answers
5k
views
What is causing the problem with the RAM in this (claimed) Spectrum 48k?
I bought what was claimed by the seller to be an Issue 4S Spectrum 48k.
I tried loading games and some worked while others didn't. Turns out it was the 16k ones that worked and 48k didn't. This patte …
- 423
2
votes
How do I replace a ZX Spectrum 48k keyboard membrane?
Yes it is pretty easy.
Dataserve is a great site, devoted to retro computing.
And if you want a video showing you how, to minimise getting it wrong, here is one from Mark Fixes Stuff on YouTube
htt …
- 423
6
votes
1
answer
443
views
Are all 64k x 4-bit ICs interchangeable for Amstrad-era ZX Spectrum 128k +2/+3?
There were 4 64k x 4-bit Integrated Circuit chips in the Amstrad-era Sinclair ZX Spectrum +2 and +3 models. These are known as the +2A, +2B (both +2 "black"), +3 and +3B (also both black cases).
I sa …
- 423