I own a ZX81 and would be interested in expanding the memory. Is there another ZX81XRAM PCB to buy or can I get Gerber Files somewhere?
I can also replicate it, but I have a question about the schematic. The published one has pin 9 open on IC3C, which doesn't make sense to me.
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- Fri Dec 02, 2022 1:55 pm
- Forum: Development
- Topic: ZX81XRAM - external 32k memory module +HRG
- Replies: 8
- Views: 7073