Diskette Drive Cable Connector Signals - IBM Aptiva 2124 Hardware Maintenance Service

Diskette Drive Cable Connector Signals

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