DFI Q7A-551 - Manual (Page 10)

www.dfi .com Chapter 2 Hardware Installation
10
Chapter 2
Touch Panel Power Select
1-2 On:
+3V_standby
2-3 On: +5V_standby
(default)
JP3
1 3 2 1 3 2
JP3 controls the power level of the touch panel IC.
COM RS232/UART5 Select
JP11
JP12
1-2 On:
RS232 (default)
2-3 On: UART5
1 3 2
1 3 2
JP11 and JP12 are used to configure the COM port to RS232 (default) or UART5.
Important:
You need to set JP11 and JP12 simultaneously.
COM