Mouse Port Signals; Keyboard Port Signals; Diskette Drive Cable Connector Signals - IBM Aptiva 2158 Hardware Maintenance Service

Pin Signal Name
11 Busy
12 Paper Empty
13 Select

Mouse Port Signals

Pin Signal Name
1 Mouse Data
2 No
Connection
3 Ground

Keyboard Port Signals

Pin Signal Name
1 Data
2 Mouse Data
3 Ground

Diskette Drive Cable Connector Signals

Pin Signal Name
1 Ground
2 Density Select
3 No Connection
4 No Connection
5 Ground
6 No Connection
7 Ground
8 Index
9 Ground
10 Motor Enable 0
11 Ground
12 Drive Select 1
13 Ground
14 Drive Select 0
152
I/O Pin
I 24
I 25
0
I/O Pin
I/O 4
5 Mouse Clock
Power 6 No Connection
I/O Pin
I/O 4
5 Clock
Power Mouse Clock
I/O Pin
18 Direction
O 19 Ground
20
21 Ground
22 Write Data
23
24 Write Enable
I 25 Ground
26 Track 0I
O 27
28
O 29 Ground
30 Read Data
O 31 Ground
Signal Name
Ground
Ground
Signal Name
+5 V dc
Signal Name
+5 V dc
Signal Name
Step
Ground
Ground
Write Protect
I/O
Power
Power
I/O
Power
I/O
I/O
Power
I/O
I/O
0
O
O
O
I
I
I