Asus M4A78-VM - Manual (Page 39)

• We recommend that you connect a high-definition front panel audio module to this
connector to avail of the motherboard high-definition audio capability.
• By default, this connector is set to [HD Audio]. If you want to connect a High Definition
front panel audio module to this connector, set the Front Panel Select item in the BIOS
to [HD Audio]. See section “2.4.3 Chipset” for details.
9. Front panel audio connector (10-1 pin AAFP)
This connector is for a chassis-mounted front panel audio I/O module that supports
either High Definition Audio or AC`97 audio standard. Connect one end of the front
panel audio I/O module cable to this connector.
10. Serial port connector (10-1 pin COM1)
The connector is for a serial (COM) port. Connect the serial port module cable to the
connector, then install the module to a slot opening at the back of the system chassis.
The serial port bracket (COM1) is purchased separately.
Chapter 1: Product introduction 1-29