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Chapter 2
The Back Panel provides the following connectors:
Mouse
Keyboard
Mouse Connector: JMS1
The VIA P4PA mainboard provides a
standard PS/2 mouse connector for at-
taching a PS/2 mouse. You can plug a
PS/2 mouse directly into this connec-
tor. The connector location and pin
assignments are as follows:
6
4
2
PS/2 Mouse (6-pin Female)
Pin Definition
PIN
SIGNAL
1
Mouse DATA
2
NC
3
GND
4
VCC
5.
Mouse Clock
6.
NC
Back Panel
Parallel
COM 1
COM 2
5
3
1
DESCRIPTION
Mouse DATA
No connection
Ground
+5V
Mouse clock
No connection
MIDI/Game
L-out L-in MIC
Keyboard Connector: JKB1
The mainboard provides a standard PS/
2 keyboard connector for attaching a
PS/2 keyboard. You can plug a PS/2
keyboard directly into this connector.
6
4
2
PS/2 Keyboard (6-pin Female)
Pin Definition
PIN
SIGNAL
1
Keyboard DATA
2
NC
3
GND
4
VCC
5.
Keyboard Clock
6.
NC
2-8
RJ45
USB
5
3
1
DESCRIPTION
Keyboard DATA
No connection
Ground
+5V
Keyboard clock
No connection
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