Asus M3N78-AM - Manual (Page 33)

• 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.
M3N78-AM
M3N78-AM Analog front panel connector
AAFP
PIN 1
GN
D
PRESENCE# SENSE1_RETUR SENSE2_RETUR
PORT1
L
PORT1
R
PORT2
R
SENSE_SEND
PORT1
L
HD-audio-compliant
pin definition
PIN 1
AGND NC NC NC
MIC
2
MICPWR
Line out_
R
NC
Line out_L
Legacy AC’97
compliant definition
8. USB connectors (10-1 pin USB78, USB910, USB1112)
These connectors are for USB 2.0 ports. Connect the USB module cable to any of
these connectors, then install the module to a slot opening at the back of the system
chassis. These USB connectors comply with USB 2.0 specification that supports up to
480 Mbps connection speed.
Never connect a 1394 cable to the USB connectors. Doing so will damage the
motherboard!
The USB 2.0 module is purchased separately.
M3N78-AM
M3N78-AM USB2.0 connectors
PIN 1
USB+5
V
USB_P10- USB_P10+ GND NC
USB+5V USB_P9
-
USB_P9
+
GND
USB910 USB78
PIN 1
USB+5
V
USB_P8
-
USB_P8
+
GND NC
USB+5V USB_P7
-
USB_P7
+
GND
USB1112
PIN 1
USB+5
V
USB_P12- USB_P12+ GND NC
USB+5V
USB_P11- USB_P11+
GND
Chapter 1: Product introduction 1-23