Asus P4R800-VM - Manual (Page 32)

1-22 Chapter 1: Product introduction
10. Serial port connector (10-1 pin COM1)
This green connector accommodates the bundled serial port module. Install
the module into a slot opening at the back of the system chassis, then insert
the module’s green cable plug to this connector.
P4R800-VM
P4R800-VM Serial Port Connector
PIN 1
COM1
9. Front panel audio connector (10-1 pin FP_AUDIO1)
This is an interface for the front panel cable that allows convenient connection
and control of audio devices.
Be default, the pins labeled LINE OUT_R/BLINE_OUT_R and the pins
LINE OUT_L/BLINE_OUT_L are shorted with jumper caps. Remove the caps
only when you are connecting the front panel audio cable.
P4R800-VM
P4R800-VM Front Panel Audio Connector
FP_AUDIO1
BLINE_OUT_L
MIC2
Line out_R Line out_L
BLINE_OUT_R
NC
MICPWR
+5V
A
AGND