
22
COM 3 & COM4 Power Setting
Function
JP6
(1-2) (3-4) (5-6) (7-8)
▲
COM3 +5V
COM3 +12V
COM4+ 5V
▲
COM4 +12V
COM2/COM3/COM4 Power Setting
COM2, COM3 and COM4 can be set to provide power to your serial device.
The voltage can be set to +5V or
+
12V by setting jumper JP5 and JP6 on the
motherboard. When enabled, the power is available on pin 10 of the RJ45 serial
connector. If you use the serial RJ45 to DB9 adapter cable, the power is on pin 9 of
the DB9 connector. By default, the power option is
disabled
in the BIOS.
1.
Power on the system, and press
the <DEL> key when the system is
booting up to enter the BIOS Setup
utility.
2.
Select the Advanced tab.
3.
Select
VGA/COM Power and LCD
Brightness Configuration
Ports
and press <Enter> to go to display
the available options.
4.
To enable the power, select
COM2 , COM3 or COM4 Power
setting and press <Enter>. Select
Power and press <Enter>. Save
the change by pressing F10.