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SD2Snes Firmware v0.1.7e released

Ikari has released a new firmware for the SD2Snes Flash Cartridge (Super Nintendo/Famicom). The upgrade instructions can be found here.


  • Fix critical DAC timing quirk causing audio distortion with MSU1.
  • Fix clock glitch on SD card access leading to audio/video distortion with MSU1 in rare cases.
  • Properly map SRAM to banks f0-ff instead of f0-fd in Mode 20 (“LoROM”) memory map.
  • Add support for headered bsxbios.bin
  • Slight SD Card read performance optimization for MSU1 (try and avoid unaligned reads)
  • Change initial SRAM fill value (by devinacker)
    • Fixes Ken Griffey Jr., Ou-chan, possibly other games that handle checksums badly.
  • Always start game on PPU2 field 0
    • Theoretical compatibility improvement.


source: sd2snes.de

Categories: Firmware, News & Rumors, Today
  1. July 13th, 2017 at 22:53 | #1


    I really like the image you use for the SD2SNES – the SFC style cart label.

    Is it a proper size to use on a real cart – and if so, do you have a high resolution version?

    Many thanks