Padial LPE-512KBSRAM-V3
This page was last modified 11:28, 22 July 2021 by Gdx. Based on work by Mars2000you and PAC.



LPE-512KBSRAM-V3 is a 512KB RAM memory expansion made by Padial that uses static memory type. It supports Z80, Z380 and eZ80 cards. It was sold without case.




  • 512KB RAM (SRAM)
  • Readable mapper registers (non-updated after reset).
  • MSX1/MSX2/MSX2+/MSX turbo R compatible.
  • Panasonic A1-WX/A1-WSX 5.37MHz turbo mode compatible.
  • Z380, eZ80 compatible.
  • Sony, Konami, MSX Cartridge Shop cartridge case compatible.

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)