Check set
3x 4 cable
1x OLED display
1x switch
1x encoder
1x knob
1x USB
1x buzzer
1x microgotek board

Next step, connect all, focus on cable colors, exactly as on pictures
Switch and Buzzer is soldered so no worry about it


Display:

Buzzer

USB socket, double check,wrong connection can burn pendrive

Encoder:

Drive select switch


Installing in to STfm/STE
COnnect power supply from Microgotek board to floppy

Connect power supply from atari board to microgotek

connect microgotek to floppy drive

Connect ribbon cable to MicroGoteka

In STFM machines is wire link required from middle of W2 point on STFM board to ""brown cable" " square 4 pin on Microgotek board.

Check 3 times for short circuts, or disconected wires and power on Atari. Check drive A and B , .
.
Minimum config is only USB connected and in this case USB operate under ST manager software.
Board fit in to orginal drives mounted in Atari : SONY mp-f11w i Mitsumi D357T .