COMMODORE C64 CHARACTER GENERATOR ROM

REPLACEMENT ADAPTER (FOR REPLACING 901225-01)

Gerbers updated as REV2 on 22.10.2020. Please update your unpaid orders.

Hello,

This ROM adapter is suitable for replacing Commodore64 Character Generator ROM (For replacing 901225-01)

You can download Eprom Images from this link:

https://archive.org/download/chr-eprom/CHR_EPROM_BIN.zip

Ps. In order to use this character generator ROM replacement adapter, your Commodore 64's 901225 chip have to be desoldered and socketted.

If you need Commodore VIC-20 Character ROM Replacement Adapter (MOS 901460-03), it is here.

If you need 8x8KB Commodore 64 replacement adapter for 901226-01 BASIC ROM and 901227-03 KERNAL ROM, it is here

In terms of device and software security; please turn your Commodore64 off before switching ROMs.

For any questions please e-mail me : c64istanbul@bikom.com

Gerber files can be changed at any time. Before paying for the PCBs, be sure to update your orders!

Have fun

Thank you.

COMPONENTS:

W27C512 or 27C512 or 27c256 or 27c128 or 27c64

4 PCS. 10K 1/8 WATT RESISTANCE

2 PCS. 12-PIN 2.54mm ROUND MALE HEADER

4 PCS. 2-PIN 2.54mm MALE HEADER 

4 PCS. 2.54mm JUMPER CAP

28-PIN WIDE DIP IC SOCKET

24-PIN WIDE DIP IC SOCKET (FOR computers motherboard )

And you will need an eprom programmer to program 27c512

Gerbers updated 22.10.2020

In terms of device and software security; please turn your Commodore64 off before switching between ROMs.

In order to protect your electronical devices, always turn off your Commodore 64 before connecting or unconnecting any device.

Gerber files can be changed at any time. Before paying for the PCBs, be sure to update your orders!

As you can see I have uploaded many projects and I am still working on new projects. If you have any questions, please look for answers online. Unless I specify explicitly, all my projects are tested and confirmed to work under normal circumstances before being shared. I'm sorry I didn't have enough time to answer all the questions.

Use this PCB at your own risk !

Have fun

Thank you.