Gigabyte 5AX User Manual page 29

5AX
COM B : COM B Port
COM A : COM A Port
M.S. / K.B. : PS/2 Mouse / Keyboard Connector
PS/2 Mouse
PS/2 Mouse/ Keyboard
Pin No.
1
6
2
5
3
4 3
4
5
2 1
6
PS/2 Keyboard
5AX
M1543
5AX
M1543
Function
Data
NC
GND
VCC(+5V)
Clock
5AX
NC
M1543
27
1
M1541
CPU
1
M1541
CPU
1
M1541
CPU