Asus H61M-PRO - Manual (Page 27)

1.8 Onboard LEDs
1. Standby Power LED
The motherboard comes with a standby power LED that lights up to indicate that the
system is ON, in sleep mode, or in soft-off mode. This is a reminder that you should
shut down the system and unplug the power cable before removing or plugging in any
motherboard component. The illustration below shows the location of the onboard LED.
SB_PWR
ON
Standby Power Powered Off
OFF
H61M-PRO
H61M-PRO Onboard LED
10. Serial port connector (10-1 pin COM)
This connector is for a serial (COM) port. Connect the serial port module cable to this
connector, then install the module to a slot opening at the back of the system chassis.
The COM module is purchased separately.
H61M-PRO
H61M-PRO Serial port (COM) Connector
COM
PIN 1
RXD DTR DSR CTS
DCD TXD GND RTS
RI
ASUS H61M-PRO 1-19