Parallel Port Signals; Mouse Port Signals; Keyboard Port Signals - IBM NetVista Hardware Maintenance Manual

Parallel Port Signals

Signal
Pin
Name
1 Strobe
2 Data Bit 0
3 Data Bit 1
4 Data Bit 2
5 Data Bit 3
6 Data Bit 4
7 Data Bit 5
8 Data Bit 6
9 Data Bit 7
10 Acknowledge I
11 Busy
12 Paper Empty I
13 Select

Mouse Port Signals

Signal
Pin
Name
1 Mouse
Data
2 No
Connection
3 Ground

Keyboard Port Signals

Signal
Pin
Name
1 Data
2 No
Connection
3 Ground
128 IBM Desktop System HMM
I/O Pin
O 14
I/O 15
I/O 16
I/O 17
I/O 18
I/O 19
I/O 20
I/O 21
I/O 22
23
I 24
25
0 --
I/O Pin
I/O 4
-- 5
Power 6
I/O Pin
I/O 4
5
Power 6
Signal
Name
Auto Feed
Error
Initialize
Select (In)
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
--
Signal
Name
+5 V dc
Mouse
Clock
No
Connection
Signal
Name
+5 V dc
Clock
No
Connection
I/O
N/A
I
O
O
P
Power
Power
Power
Power
Power
Power
Power
--
I/O
Power
I/O
--
I/O
Power
I/O
--