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10502PC/ Sio2PC-USB

10502PC/ Sio2PC-USB

Our price:

89.99 PLN

Weight: 0.1 kg

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10502PC/ Sio2PC-USB / Sio2pc USB is my newest device fo every Atari 8bit.


Device works in two modes::

  • Sio2PC-USB -connects the ATARI SIO port to PC/MAC computer equipped with a USB PORT, so PC acts as floppy disk drive for ATARI
  • 10502PC - connects the Atari disk drive to PC computer equipped with a USB PORT, so PCcan read / backup orginal 5.25" floppies.



  • PC with a free USB port (works on other platforms like MAC/LINUX)
  • Any 8bit ATARI with a free SIO PORT

SIO2PC-USB mode manual: 

  • download and install ASPEQT from
  • connect SIO2PC to PC; Windows shall install drivers automatically
  • in DEVICE MANAGER, please enable VCP (virtual com port)



  • Make sure the new installed COM PORT number is from 1 to 4.  (CLICK HERE for a short manual)
  • Start ASPEQT --> TOOLS --> OPTIONS: select a proper COM number and CTS MODE --> SAVE
  • Press button START SIO PERIPHERAL EMULATION in the ASPEQT window (blue plug icon at bottom right)
  • Power ON ATARI with Sio2PC-USB connected and ATR/XEX file loaded in SLOT 1 


PS for all ULTIMATES USERS: You can easily reach the highest speed possible selecting HIASS`s patched OS ( POKEY divisor=0)


10502PC mode manual: 

  • download KAFAR software (still in development) and extract to Your hard drive



  • Before starting KAFAR software,  close any ASPEQT process runnning in background
  • Run KAFAR software  (Windows 10 - RUN AS ADMIN)
  • You shall see screen as follows:



  • 10502PC device was set in proper mode 
  • Close the program and go back to KAFAR folder; new file - INI  was created.



  • Edit ini file with notepad; change CommandInverted string value from 0 to 1


  • Connect 1050 to your ATARI disk drive
  • Power on floppy disk drive, Insert floppy disk and put handle down


  • If your disk drive is set to D1 number, press 1 on keybaord to read from this drive.
  • Program will prompt about name and location of new ATR file.



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