price: 7.50 GBP platforms: Spectrum,ZX81,ZX80
Modern lower-power CMOS version, made by Zilog
Replacing the CPU should resolve the known issues with the out-of-spec Z80s sometimes found in Spectrums. (EG: External interfaces not working correctly due to timing anomalies and weak signals such as "M1")
Find out more / buy at: http://retroleum.co.uk/zx81-components
Contact for this site: shirley@newstuffforoldstuff.com
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