Chapter 2
2-8
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.
The Back Panel provides the following connectors:
Mouse Connector: JMS1
The VIA P4MA PRO mainboard pro-
vides a standard PS/2 mouse connec-
tor for attaching a PS/2 mouse. You
can plug a PS/2 mouse directly into
this connector. The connector loca-
tion and pin assignments are as
follows:
PS/2 Mouse (6-pin Female)
2
1
3
4
5
6
PS/2 Keyboard (6-pin Female)
21
34
5
6
Back Panel
Mouse
Keyboard USB
Parallel
COM 1
VGA out
L-out
L-in
MIC
MIDI/GameRJ45
Pin Definition
Pin Definition
PIN SIGNAL DESCRIPTION
1 Mouse DATA Mouse DATA
2 NC No connection
3 GND Ground
4 VCC +5V
5. Mouse Clock Mouse clock
6. NC No connection
PIN SIGNAL DESCRIPTION
1 Keyboard DATA Keyboard DATA
2 NC No connection
3 GND Ground
4 VCC +5V
5. Keyboard Clock Keyboard clock
6. NC No connection
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