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Ultimate 64 Firmware v Ultimate 64 Firmware v1.26

  • This is the factory image of the latest production, with support for 1.4 board revision.
  • Support for Super Games cartridge.
  • Fixed KCS cart at boot time.
  • Swapped audio channels, thanks Siegried.
  • Improved cartridge timing which corrects the ARMSID detection.


System Commodore 64
Size1.52 MB