SF551 3.5″ 720KB Floppy Drive Bare PCB


2 in stock


XF551 circuitry on a SF314/SF354 case compatible pcb.
Supports PC industry standard 3.5″ 720KB floppy drives (Some drives may need additional modification)
Supports all SF314 drives and most SF354 drives (those with single industry standard floppy drive data cable connection)
Uses original SF314/SF354 case
Uses original SF314/SF354 Dual Voltage Power Supply Brick with female DIN5 connector
Uses custom made SIOtoSD130 cables to connect to Atari 8bit computers
One minor case mod necessary for manual drive id selection without taking off lid to make a change.

If you have my discontinued XF551 Track/Control board kit then I have provided a pinout for the necessary signals.  I’m not sure how you will fit the track display or control boards to the Atari External SF314/SF354 cases.  You may have to get creative.

You will need the original SF314/SF354 pcb as some parts will need to be salvaged. You will also need some chips normally found in an XF551 pcb, although they can usually be purchased on Ebay.  I am not using most other XF551 original non-chip parts though.  Please refer to the BOM for specific part information.  Board has all through hole parts soldering.  No SMD.  Some de-soldering of original SF314/354 parts are necessary.  Possible some XF551 chip de-soldering will be necessary as well.

I will be providing a bare board only, with downloadable BOM and pinout diagram .pdf for the custom SIOtoSD130( Fender/Roland GC-1) cables. Cost will be $15.00 per board plus flat rate shipping of $8.00 in the US.





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