EasyFlash3 Cartridge for Commodore
It provides 7 EasyFlash slots, each of them is a full-featured EasyFlash 1. With a menu, you can choose which one you want to start.
Additionally, it can replace the internal KERNAL with one of up to eight KERNALs saved in the cartridge. The external KERNAL has the same compatibility to software as if it had been built-in.
An USB port can be used to update the firmware on the CPLD. It will also allow to write to the cartridge from PC and to transfer other data.
The EasyFlash 3 also supports freezer cartridges. It is compatible with freezer cartridge images that can be run on any of the following freezer cartridges:
Nordic Power / Atomic Power
Super Snapshot 5
Youtube video of example usage as a diagnostic cart