Classic PC 16MB Expansion Memory
This page was last modified 23:09, 4 January 2021 by FiXato. Based on work by Gdx and Mars2000you and others.



16MB Expansion Memory for MSX2/2+/Turbo R (original name: MSX2/2+用16MB拡張メモリーカートリッジ) is an expansion of 4 x 4M Byte for MSX2 or newer made by Classic PC & Game rescue Committee (2016~).

16MB are only avalaible when the cartridge is inserted in a primary cartridge slot otherwise only 4 MB is available (setting by Dip switch needed). The cartridge contacts are not gold plated but tinned.

Price: 12800 yen (Tax included)


16MB Expansion Memory Cartridge
Cartridge back
Cartridge PCB
Cartridge PCB Back

Minimum System Requirements

  • MSX2 computer, one free slot cartridge


  • 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)

External Links