FDD Connector (FDC)
Pin no.
Signal
1-33(odd)
GND
2
High Density
4, 6
Unused
8
Index
10
Motor Enable A
12
Driver Select B
14
Driver Select A
16
Motor Enable B
18
Direction
20
Step Pulse
22
Write Data
24
Write Enable
26
Track 0
28
Write Protect
30
Read Data
32
Select Head
34
Disk Change
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