Asus V3-M2V890 - Manual (Page 55)

4-9 ASUS V-Series M2V890
7. Front panel audio connector (10-1 pin AAFP)
This connector is for a chassis-mounted front panel audio I/O module
that supports the Azalia audio standard. Connect one end of the front
panel audio I/O module cable to this connector.
Analog front panel connector
BLINE_OUT_L
MIC2
LINE_OUT_L
BLINE_OUT_R
NC
MICPWR
+5V
A
AGND
AAFP
8. Serial port connector (10-1 pin COM2)
This connector is for 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 serial port bracket (COM) is purchased separately.
COM2
PIN1
COM port connector