Intel Q67 User Manual page 10

(4) JP8 (6-pin): COM2 Header Pin9 Function Selecting
(5) JP9 (6-pin): COM2 Port RS232/485/422 Function Select
(6)JP10 (6-pin): KB/MS/USB Power-On Function Setting
JP8
1
1
1-2 closed: RS232 3-4 closed : +12V
JP9
1 1
1-2 closed: RS232 3-4 closed : RS485
1
JP10
1-2 closed : KB/MS/USB POWER-ON Disabled(default)
JP10
1
2-3 closed: KB/MS/ USB
6
1
5-6 closed : +5V
1
5-6 closed : RS422
3
3
POWER-ON Enabled