146
Diskette Drive Cable Connector Signals
Pin Signal Name I/O Pin Signal Name I/O
1 No Connection N/A 18 Direction SELECT O
2 Density Select O 19 Ground N/A
3 No Connection N/A 20 Step O
4 High Density Out I 21 Ground N/A
5 Ground N/A 22 Write Data O
6 No Connection N/A 23 Ground N/A
7 Ground N/A 24 Write GATE O
8 Index I 25 Ground N/A
9 Ground N/A 26 Track 0 I
10 No Connection N/A 27 Ground N/A
11 Ground N/A 28 Write Protect I
12 Drive Select 1 O 29 Ground N/A
13 Ground N/A 30 Read Data I
14 No Connection N/A 31 Ground N/A
15 Ground N/A 32 SIDE 1 SELECT O
16 Motor On O 33 Ground N/A
17 Ground N/A 34 Diskette Change I
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