Diskette Drive Cable Connector Signals - IBM 2193 Maintenance Service Manual

Diskette Drive Cable Connector Signals

Pin Signal Name I/O
1 No Connection N/A 18
2 Density Select
3 No Connection N/A 20
4 High Density Out
5 Ground N/A 22
6 No Connection N/A 23
7 Ground N/A 24
8 Index
9 Ground N/A 26
10 No Connection N/A 27
11 Ground N/A 28
12 Drive Select 1
13 Ground N/A 30
14 No Connection N/A 31
15 Ground N/A 32
16 Motor On
17 Ground N/A 34
164
Pin Signal Name
Direction SELECT
O 19 Ground
Step
I 21 Ground
Write Data
Ground
Write GATE
I 25 Ground
Track 0
Ground
Write Protect
O 29 Ground
Read Data
Ground
SIDE 1 SELECT
O 33 Ground
Diskette Change
I/O
O
N/A
O
N/A
O
N/A
O
N/A
I
N/A
I
N/A
I
N/A
O
N/A
I