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1-34 Chapter 1: Product introduction
10. Front panel audio connector (10-1 pin AAFP)
This connector is for a chassis-mounted front panel audio I/O module that supports either
HD Audio or legacy AC`97 audio standard. Connect one end of the front panel audio I/O
module cable to this connector.
•
We recommend that you connect a high-denition front panel audio module
to this connector to avail of the motherboard’s high-denition audio capability.
• By default, this connector is set to
[HD Audio]
. If you want to connect a
AC’ 97 front panel audio module to this connector, set the
Front Panel
Type
item in the BIOS setup to
[AC97]
. See section
2.5.3 Onboard Device
Conguration
for details.
P5Q-EM DO
P5Q-EM DO Analog front panel connector
AAFP
PIN 1
GND
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
MIC2
MICPWR
Line out_R
NC
Line out_L
Legacy AC’97
compliant definition
•
For a fully congured system, we recommend that you use a power supply
unit (PSU) that complies with ATX 12 V Specication 2.0 (or later version)
and provides a minimum power of 400 W.
• Do not forget to connect the 4-pin ATX12V power plug; otherwise, the
system will not boot.
• Use of a PSU with a higher power output is recommended when
conguring a system with more power-consuming devices. The system
may become unstable or may not boot up if the power is inadequate.
11. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)
These connectors are for ATX power supply plugs. The power supply plugs are designed
to t these connectors in only one orientation. Find the proper orientation and push down
rmly until the connectors completely t.
P5Q-EM DO
P5Q-EM DO ATX power connectors
EATXPWR
PIN 1
GND
+5 Volts
+5 Volts
+5 Volts
-5 Volts
GND
GND
GND
PSON#
GND
-12 Volts
+3 Volts
+3 Volts
+12 Volts
+12 Volts
+5V Standby
Power OK
GND
+5 Volts
GND
+5 Volts
GND
+3 Volts
+3 Volts
ATX12V
PIN 1
+12V DC
+12V DC
GND
GND
P5Q-EM DO.indb 34 12/9/08 12:34:51 PM