Yes I am quite happy for you to share .
This article gives so much more info than similar blogs, and it's immensly helpful to me. Will follow you to…
It should be fine now . It is now a ZIP file , so you will need to decompress it…
Sorry about that will update now .
Category Archives: ZX81
ZX81 Ram Pack Issue 1 4164 Update
Goal:- Replace 4116 chips with 4164 chips and make pack more reliable and eliminate the annoying ribbon cable. Please note that this will not give you more ram even though 4164’s are 64k the ram pack is only designed to … Continue reading
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ZX81 Ram Pack Issue 3 4164 update
Goal:- Replace 4116 chips with 4164 chips and make pack more reliable. Please note that this will not give you more ram even though 4164’s are 64k the ram pack is only designed to address 16k. Got a Rampack to … Continue reading
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ZX81 Peripheral supply pcb
Update : Now includes cad designed pcb The object of this project is to give the +5v and +9v supply to power ZX81 peripherals without a ZX81. For this project you will need :- Some Veroboard 10uf 16v capacitor 7805 … Continue reading
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Such a rare and iconic computer, something I don't see featuring on the retro scene and rarely mentioned. Much to…