ZX 48/48+ 512kB SRAM / CPU MODULE
- replaces base CPU ram of 32KB
- atf1508 cpld based
- replaces Z80 CPU
- AY 3-8192
- Second video RAM BANK to obtain full zx128 compatibility
- installation consists of 6 steps:
- remove old rams 32kB
- remove old cpu
- solder module in place of CPU or insert into socket
- to be continued...
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