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Why the name?

  • the project name is derived from the name of ancestor project – SatanDisk. UltraSatan is superior to SatanDisk and therefore the ultra prefix
  • it has nothing to do with satanism or occultism


Why UltraSatan?

  • for the same reasons as ‘Why SatanDisk?’ (MMC and SD cards are cheap and noise-less, etc.)
  • it has 2 slots for SD/MMC cards, so replaces 2 SatanDisks attached to 1 computer
  • the SD/MMC cards are hot-pluggable, i.e. you don’t need to power off and on the UltraSatan when you change the card
  • has a battery backed up RTC chip
  • up to 4 different firmwares can be uploaded from ST without a need for any additional HW (no flash programmer needed for update)
  • it has 1 base (non overwritable) firmware, so even if you screw up the FW update, the device won’t become unusable
  • it’s faster than SatanDisk



  • connects to ACSI port of Atari ST
  • supports MMC, SD and SDHC cards – tested with cards from 16 MB to 8 GB and works OK on ST
  • drivers: ICD PRO (free) and HDDRIVER (commercial) compatible
  • open-source – free schematics, firmware, sources, so anyone can build it on his own
  • you can change the INQUIRY name of device (the string that shows when hard disk driver shows the currently connected ACSI devices)


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