5-30
Diskette Drive Cable Connector Signals
Pin Signal Name I/O Pin Signal Name I/O
1 Ground 18 Direction O
2 Density Select O 19 Ground
3 No Connection 20 Step O
4 No Connection 21 Ground
5 Ground 22 Write Data I
6 No Connection 23 Ground
7 Ground 24 Write Enable O
8 Index I 25 Ground
9 Ground 26 Track 0 I
10 Motor Enable 0 O 27 Ground
11 Ground 28 Write Protect I
12 Drive Select 1 O 29 Ground
13 Ground 30 Read Data I
14 Drive Select 0 O 31 Ground
15 Ground 32 Select Head 1 O
16 Motor Enable 1 O 33 Ground
17 Ground 34 Diskette Change I
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