For sale is a new, assembled and tested Commodore VIC-20 Hyper Expander cartridge designed by  svenpetersen1965.

The PCB is populated with a W27C512 EPROM programmed with  the "Hyper_Expander_Firmware_Set1"

The W27C512 is electrically erasable so can be reprogrammed using a suitable programmer (Not supplied) to program your own images.

Included on the EPROM: (See photos for screenshots of the software included on the ROM)
The ROM's (And RAM configuration) are selected using the DIP Switches.

For more information on this excellent project please see the original designers website.

Google: github svenpetersen1965 VIC-20-Hyper-Expander
(eBay does not allow posting of external links)

For information on the Hyper Expander Set 1 and DIP Switch settings
Google: hyper expander hyper expander set 1

Please read through the great manual on the original designers web site  (github link) before purchasing to make sure you know what you are buying and how the Hyper Expander works.


Please contact me if you have any queries and I will be only too happy to answer them.



Visit my store