Hi Subair,

Connector: 34 pin edge connector
pin 1 pin 2
GND -High density select
reserved reserved
GND reserved
GND -Index
GND -Motor enable 1
GND -Drive select 0
GND -Drive select 1
GND -Motor enable 0
GND -Direction
GND -Step
GND -Write data
GND -Write enable
GND -Track 0
GND -Write protect
GND -Read data
GND -Head 1 select
GND -Disk change
pin 33 pin 34


Hope this helps !

Best Regards
Andy