Cable Connector
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View of the floppy disk drive cable connector This is the data cable connector on the rear of the floppy disk drive. Pin 1 is the lower left pin in this graphic. Refer to the following table for pin-out information.

Signal Name Pin Pin Signal Name
Ground 1 2 Reduced write
Ground 3 4 Not connected
Ground 5 6 Not connected
Ground 7 8 Index
Ground 9 10 Motor enable 1
Ground 11 12 Drive select 2
Ground 13 14 Drive select 1
Ground 15 16 Motor enable 2
Ground 17 18 Direction select
Ground 19 20 Step
Ground 21 22 Write data
Ground 23 24 Write enable
Ground 25 26 Track 00
Ground 27 28 Write protect
Ground 29 30 Read data
Ground 31 32 Side 1 select
Ground 33 34 Disk change