Please, check our SMD/THT services -; from idea to ready devices                                                                                                                                   

Please, check our SMD/THT services -; from idea to ready devices                                                                                                                                   


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Ultrasatan INTERNAL

Ultrasatan INTERNAL

Our price:

339.00 PLN

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Weight: 0.3 kg

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Buy more, pay less:

  • for 2 pieces and more - 5% (322.05 PLN)
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Before buying - Please read the DISCLAIMER by Jookie/ designer of the original hardware.



  • designed for  MEGA ST/ MEGA STE ; internal connection is made with special adapter - check related items tab above
  • supports MMC, SD and SDHC cards - tested with cards from 16 MB to 8 GB and works OK on ST
  • drivers: ICD PRO (free),  HDDRIVER (commercial) and PeraPutnik (commercial) compatible
  • you can change the INQUIRY name of device (the string that shows when hard disk driver displays currently connected ACSI devices)
  • Floppy power connector 
  • Since Janurary 2023 REVISED 2K23 Version 





You can connect ULTSATAN also inside ATARI ST/STE, but:

  • soldering / electronic skill required... 7/10 difficulty
  • I do not support this and do not answer questions HOW/WHERE to soler. sorry
  • since 2024 ULTRASATANS INTERNAL are sold with dedicated ADAPTERS for MEGA ST/STE, that also carriers power to device. Bottom JUMPER must be closed.




Inside BOX: 

  • a tested and safely packed device










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Please, refer to USATAN CASED files:


MOST of the FAQ is similar to CASED VERSION:






Q: it possible to connect the onboard status LED to the HDD-LED in my Mega STE?

Yes, Ultrasatann has conenctor for 2 additional leds.  One for each SD SLOT




Q: What is the 10 Pin connector (J1)?

Programming header. 


Q: What does the switch S1?

Power on/off switch in cased version, as both versions share the same pcb. 

and NO, cases are not sold separately.


Q: what I can do with J7, S2 and  J8.

J7 - micro usb power supply for cased version; usually not populated

S2 - reset angled tact switch; not populated. pressed resets device. DO NOT USE

J8 - explained 3 questions above :  conenctor for 2 additional leds.




BLACK PCB   is revised version - starting from 2023.




  • ON - Usatan boots base firmware
  • ON - flash with firmware write protect


JP2 - programming connector.


JP1 - Leds header

  • connect to external leds / legend on the left side of the pcb
  • led 1 indicates work of SD CARD SLOT 1 (left)
  • led 2 indicates work of SD CARD SLOT 2 (right)
  • SINGLE LED - common led, indicating work of SD CARD 1 and 2; HDD led may be used 


J1 - floppy power connector; populated in INTERNAL VERSION