Expansion card with 8K of battery-backed CMOS RAM in the 8-16K range. Part two.
Expand Your Timex/Sinclair Operating System Read the articleAuthor(s): Paul HunterPublication: Radio ElectronicsPub Details: Volume 54, Issue 8Date: August 1983Pages: 47-50 Expansion card with 8K of battery-backed CMOS RAM in the 8-16K range. Part two. Tags1983 Hardware project TS 1000 ZX81 PeoplePaul Hunter