C64 cartridge for 128k, 256k, 512k and 1Mb EPROMs. Ability to bank switching, size of each bank is 8k. In other words, it's possible to select one of 64 banks for 512k EPROM or one of 128 banks for 1Mb EPROM! Ability to software disabling / enabling the cartridge. Contains RESET button. Fully compatible with Vice emulator.