COMMODORE 64 - KERNAL TABLE

(901227 KERNAL ROM REPLACEMENT ADAPTER)

Hello,

This is a tested and working circuit board.

Commodore's low-level Operatin System was named the Kernal.

This adapter is suitable for C64 24pin kernal ROMs

You can find and download many different kernal ROMs for your C64, from internet.

You can also run DeadTest 781220 with this kernal table.

This adapter lets you to use max. 8 different kernal ROMs in one 27C512 eprom.

The link at the bottom of this page contains some kernal ROMs like Dolphindos, Speeddos, SD2IEC v2.2 kernal ... and a sample eprom image for testing.

This kernal table is also compatible with JiffyDOS ROM, you can buy and use JiffyDOS 64 KERNAL ROM Image

http://store.go4retro.com/jiffydos-64-kernal-rom-overlay-image/

Ps. In order to use this kernal table, your Commodore 64's 901227 (U4 - kernal ROM) have to be desoldered.

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

There is a newer version of this PCB, you'd better take a look at it.

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

Have fun

Thank you.

e-mail: c64istanbul@bikom.com

Components

27C512 (or W27C512) (FOR 8X ROM)

3 PCS 10K 1/4 WATT RESISTANCE

2 PCS. 12 PIN 2.54mm ROUND MALE HEADER

3 PCS 3PIN 2.54mm MALE HEADER

3 PCS 2.54mm JUMPER CAP

28-PIN WIDE DIP IC SOCKET

24-PIN WIDE DIP IC SOCKET (FOR U4 on C64 BOARD )

And you will need an eprom programmer to program 27c512

PS. Gerbers updated 08.07.2020