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)
2
1
3
4
5
6
Back Panel
M o u s e
Keyboard
USB
Parallel
COM 1
VGA out
L-out L-in MIC
MIDI/Game
RJ45
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
