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Chapter 2
The Back Panel provides the following connectors:
Mouse Connector: JKBMS1
The VIA P4XB series mainboards pro-
vide a standard PS/2 mouse connector
for attaching a PS/2 mouse. You can plug
a PS/2 mouse directly into this connector.
The connector location and pin assign-
ments 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
5
3
1
DESCRIPTION
Mouse DATA
No connection
Ground
+5V
Mouse clock
No connection
2-14
K e y b o a r d C o n n e c t o r :
JKBMS1
The mainboard provides a standard
PS/2 keyboard connector for attach-
ing 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
5
3
1
DESCRIPTION
Keyboard DATA
No connection
Ground
+5V
Keyboard clock
No connection
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