MSX Club Gouda Memory Mapper E.M.S. 2MB
This page was last modified 11:32, 8 June 2020 by Gdx. Based on work by Mars2000you and Rderooy.



This cartridge is a handy expansion to enlarge your computers memory. It contains a Memory Mapper of 2MB (2048kB). Two other versions from MSX Computer Club Gouda was available in sizes of 1 MB and 4 MB. All are compatible with 7 MHz upgrade kits and MSX turbo R modes. It also works from slotexpander. It fits a Konami sized cartridge (not included).


EMS Memory Mapper 2MB Cover

Minimum System Requirements

  • MSX2 computer, one free slot cartridge

Note: As all standard Memory Mapper, this cartridge is not supported by MSX1 computers except with Nextor or a MSX-DOS2 unbridled (like Sunrise CF interface). On MSX1 without Nextor, we need to manually initialize pages order of the mapper from basic before it can be used.


  • BMMS (Bigger Memory Mapper Selector)
  • CHKMEM.BIN (Utility that displays the slot of RAM, Memory Mapper and MegaRAM by LARK)
  • Mapper Info (by Yukke)
  • MEGA16.COM (loader for megaroms with 16k mapper)
  • MEMTEST.COM (RAM of Memory Mapper tester by Masatoshi Fujimoto)
  • TESTMAP.COM (RAM of Memory Mapper tester by Marteen)
  • SofaRom (MegaRoms and Roms loader by Louthrax)