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
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.
5-24
Summary of Contents for Aptiva 2144
Page 2: ......
Page 18: ...xvi ...
Page 20: ...xviii ...
Page 50: ...1 30 ...
Page 153: ...Drive Front View Figure 4 25 Bay 4 3 5 In Repair Information 4 27 ...
Page 200: ...5 32 ...
Page 202: ...6 2 ...
Page 206: ...Assembly 2 Machine Type 2144 System Unit Interior SL I 5 4 3 8 7 6 1 10 2 9 13 12 11 7 4 ...
Page 213: ...Assembly 5 Diskette and Hard Disk Drives 5 1 4 3 5 5 2 Parts Catalog 7 11 ...
Page 215: ...Assembly 6 CD ROM Sound Cards Multimedia Models 3 9 1 2 8 7 4 6 5 Parts Catalog 7 13 ...
Page 226: ...7 24 ...
Page 245: ......