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Commodore and other retro computer links

The Expert Cartridge Project

The Expert Cartridge Project

6 January 2022


The Expert Cartridge Project

Expert Cartridge by Retrotinker for the Commodore 64/128 computer.

This cartridge allows games and other software to be frozen in memory, saved to disk or tape, code inspected, sprites extracted, extra lives added etc etc.

The cartridge is unique in that the firmware is loaded to the cartridge before use allowing easy distribution of updates and modified firmware.

All current firmware files can be downloaded freely from the internet.

The Cartridge is for use with the Commodore 64 or Commodore 128 computers.

Buy on Ebay £24.95 + £3.95 UK delivery


Commodore 64 C64 8in1 Kernal Multi ROM Replacement 901227

Commodore 64 C64 8in1 Kernal Multi ROM Replacement 901227

6 January 2022


Commodore 64 C64 8in1 Kernal Multi ROM Replacement 901227

Commodore 64 multi ROM board. There are 8 Kernal ROM”s programmed which can be selected by using the rotary switch.The multi ROM adapter has gold plated rounded pins for better electrical connection. This is designed to replace the kernal ROM chip which needs to be in a IC socket. 


This is a replacement for the MOS 901227 ROM (2364)


Rotary Switch:
0 – 901227-03 Original Kernal
1 – 64er v1
2 – DeadTest (781220)
3 – DolphinDos 2.0
4 – MemoStar
5 – SD2IEC22 2.2
6 – SX-64 2.0 Original Kernal
7 -TurboDos 3.0


NOTE: This is not compatible with the C64C as it uses a 16k ROM

Buy on EBay for £13 Free UK postage