Commodore 64 "Breadbin" Dual Kernel Switcher (JiffyDOS & Standard)
Upgrade your classic PAL Commodore 64 with this custom-built Dual Kernel Switcher. This solution allows you to toggle between the standard Commodore kernel and the high-speed JiffyDOS kernel, perfect for faster loading times when using devices like the SD2IEC.
Key Features
Dual Kernel Capability: Contains both the standard 8KB kernel and the 8KB JiffyDOS kernel on a single EPROM.
Easy Toggle: Switch between kernels instantly using the included toggle switch.
Non-Destructive Design: The switch mount clips securely onto the User Port (utilising the existing notch), requiring no drilling or permanent modification to your C64 case.
Plug & Play Ready: Fully tested on PAL Breadbin motherboards.
Installation Requirements
Socket Required: Your existing C64 Kernel ROM must be removed and replaced with a 24-pin wide DIL/DIP socket (included *subject to stock) to accept this EPROM.
Installation Note: Please ensure all pins are perfectly aligned and seated firmly before powering on.
Important Operating Instructions
Power Off First: You must turn off your C64 completely before flipping the toggle switch between kernels.
Careful Handling: Installation involves opening your vintage machine and handling sensitive electronics. Please ensure you are comfortable with retro-computing hardware procedures and anti-static precautions.
Disclaimer
By opening your 8-bit computer, you acknowledge that there is an inherent risk involved. While this product has been thoroughly tested on a PAL Breadbin C64, it is provided "as is." The seller cannot be held responsible for any damage to your hardware resulting from incorrect installation or misuse.

















