Lenovo NetVista IBM PC300 (Type 2169) - Hardware Maintenance Manual (September - Page 139
Mouse Port Signals, Keyboard Port Signals
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7 Data Bit 5 8 Data Bit 6 9 Data Bit 7 10 Acknowledge 11 Busy 12 Paper Empty 13 Select I/O 20 Ground I/O 21 Ground I/O 22 Ground I 23 Ground I 24 Ground I 25 Ground O Power Power Power Power Power Power Mouse Port Signals Pin Signal Name I/O Pin 1 Mouse Data I/O 4 2 No Connection N/A 5 3 Ground Power 6 Signal Name I/O +5 V dc Power Mouse Clock I/O No Connection N/A Keyboard Port Signals Pin Signal Name I/O 1 Keyboard Data I/O 2 Mouse Data N/A 3 Ground Power Pin Signal Name I/O 4 +5 V dc Power 5 Keyboard Clock I/O 6 Mouse Clock N/A 137
137
7
Data Bit 5
I/O
20
Ground
Power
8
Data Bit 6
I/O
21
Ground
Power
9
Data Bit 7
I/O
22
Ground
Power
10
Acknowledge
I
23
Ground
Power
11
Busy
I
24
Ground
Power
12
Paper Empty
I
25
Ground
Power
13
Select
O
Mouse Port Signals
Pin
Signal Name
I/O
Pin
Signal Name
I/O
1
Mouse Data
I/O
4
+5 V dc
Power
2
No Connection
N/A
5
Mouse Clock
I/O
3
Ground
Power
6
No Connection
N/A
Keyboard Port Signals
Pin
Signal Name
I/O
Pin
Signal Name
I/O
1
Keyboard Data
I/O
4
+5 V dc
Power
2
Mouse Data
N/A
5
Keyboard Clock
I/O
3
Ground
Power
6
Mouse Clock
N/A