Repro Factory KOB Mapper
This page was last modified 12:35, 1 March 2021 by Gdx. Based on work by Rderooy.



A KoB 4Mbit (512KB) Mapper is a flash cartridge that contains a flash ROM chip instead of ROM (Megarom). A flash ROM can be rewritten tens of thousand times and and keep its data between 10 and 20 years. These characteristics that make it ideal for storing the real images of any ROM cartridge with same mapper or similar.

This cartridge supports only the Konami mapper.

The cartridge contacts are gold plated.


KoB 8k Mapper cartridge

Minimum System Requirements

  • MSX1 computer with 64kB
  • One free slot cartridge
  • MSX-DOS1