Lenovo NetVista Hardware Maintenance Manual (HMM) for Aptiva and NetVista 2255 - Page 131
Mouse Port Signals, Keyboard Port Signals, Signal Name
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Mouse Port Signals Pin Signal Name 1 Mouse Data 2 No Connection 3 Ground Keyboard Port Signals Pin Signal Name 1 Keyboard Data 2 Mouse Data 3 Ground I/O Pin I/O 4 N/A 5 Power 6 Signal Name +5 V dc Mouse Clock No Connection I/O Pin I/O 4 N/A 5 Power 6 Signal Name +5 V dc Keyboard Clock Mouse Clock I/O Power I/O N/A I/O Power I/O N/A 131
131
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