Diskette drive cable connector signals – IBM 2274 User Manual
Page 163
Advertising
![background image](/manuals/127048/163/background.png)
Parts/Test Point Locations 129
Diskette Drive Cable Connector Signals
Pin
Signal
Name
I/O
Pin
Signal
Name
I/O
1
Ground
18
Direction
0
2 Density
Select
O
19
Ground
3
No
Connection
20
Step
O
4
No
Connection
21
Ground
5
Ground
22
Write Data
O
6
No
Connection
23
Ground
7
Ground
24
Write Enable
O
8
Index
I
25
Ground
9
Ground
26
Track
0I
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
Advertising