Power cable connector, Power cable connector 3.3 v dc, Diskette cable connector – IBM Aptiva 2142 User Manual
Page 167
Power Cable Connector
Pin
Signal Name
Pin
Signal Name
1
Power Good (
+
5 V dc)
7
Ground
2
+
5 V dc
8
Ground
3
+
12 V dc
9
−
5 V dc
4
−
12 V dc
10
+
5 V dc
5
Ground
11
+
5 V dc
6
Ground
12
+
5 V dc
Power Cable Connector 3.3 V dc
Pin
Signal Name
Pin
Signal Name
1
3.3 V dc
4
Ground
2
3.3 V dc
5
Ground
3
3.3 V dc
6
Ground
Diskette Cable Connector
Pin
Signal Name
I/O
Pin
Signal Name
I/O
1
Ground
18
Direction
O
2
Density Select
O
19
Ground
3
No Connection
20
Step
O
4
No Connection
21
Ground
5
Ground
22
Write Data
I
6
No Connection
23
Ground
7
Ground
24
Write Enable
O
8
Index
I
25
Ground
9
Ground
26
Track 0
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
Note: The diskette drive signal cable for drive A has a twist for the Drive
Select and Motor Enable signals.
Parts/Test Point Locations
5-19