Description
MOS 7501 replacement for C16/C116/Plus4
Hardware, manuals, FAQ, and other info on manufacturers website – HERE
A replacement for your dead MOS 7501 chip found in the C16, C116, and C/Plus4 based on 6502
- CPU replacement for Commodore +4 /16/116 with additional 512 kB memory upgrade compatible with Hannes 256kB RAM
Installation notes:
- remove CPU
- insert 6502plus4 module ( WATCH FOR PROPER NOTCH ORIENTATION!!)
- Ready!
- to get 256kB – Remove old DRAM, solder CAS signal to CAS of removed DRAMs
- example Commodore C16: point indicated by the red arrow below
CAS signal is present:
- pin 15 of 1bit memory chips ( 8 pieces at motherboard)
- pin 16 of 4bit memory chips ( 2 pieces at motherboard)