User's Manual 23
Connectors
Power Connector
PS/2 Mouse Connector
541 mainboard provides two type of
PS/2 style mouse connectors, one for
12 pin header JP52 near by keyboard
connector and one for optional mini
DIN type connector.
12 pin header connector support two
type connection (Type A and Type B)
for PS/2 mouse, the right table shows
the pinout connection for each type.
PIN
TYPE A
TYPE B
1
Empty
Clock
2
Ground
Empty
3
Clock
Ground
4
Ground
VCC
5
VCC
Data
6
Empty
Empty
7
Empty
8
Empty
9
Data
10
Empty
Keyboard Connector
541 mainboard provides access to AT-
style keyboard connector integrated on
the back panel, a PS/2 style keyboard
and PS/2 style mouse connector are
optional.
PIN
Name
Function
Pin
Name
Function
1
PWRGD
Power Good
7
GND
Ground
2
+ 5 V
+ 5 volts Vcc
8
GND
Ground
3
+ 12 V
+ 12 volts
9
- 5 V
- 5 volts
4
- 12 V
- 12 volts
10
+ 5 V
+ 5 volts Vcc
5
GND
Ground
11
+ 5 V
+ 5 volts Vcc
6
GND
Ground
12
+ 5 V
+ 5 volts Vcc
