Lenovo NetVista Hardware Maintenance Manual (HMM) for Aptiva, IBM PC300, and N - Page 137

Diskette Drive Cable Connector Signals

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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 137

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137
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