Internal Connectors - Asus M4A78LT PLUS User Manual

1.7.2

Internal connectors

1. CPU and chassis connectors (4-pin CPU_FAN; 3-pin CHA_FAN)
Connect the fan cables to the fan connectors on the motherboard, ensuring that the
black wire of each cable matches the ground pin of the connector.
M4A78LT PLUS
M4A78LT PLUS fan connectors
DO NOT forget to connect the fan cables to the fan connectors. Insufficient air flow inside
the system may damage the motherboard components. These are not jumpers! DO NOT
place jumper caps on the fan connectors.
Only the 4-pin CPU fan supports the ASUS Q-Fan feature.
2. 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.
M4A78LT PLUS
M4A78LT PLUS Front panel audio connector
• We recommend that you connect a high-definition front panel audio module to this
connector to avail of the motherboard high-definition audio capability.
• 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 Onboard
Devices Configuration for details.
• The front panel audio I/O module is purchased separately.
ASUS M4A78LT PLUS
CPU_FAN
CHA_FAN
GND
+12V
Rotation
PORT2 L
SENSE2_RETUR
SENSE_SEND
PORT2 R
SENSE1_RETUR
PORT1 R
PRESENCE#
PORT1 L
GND
PIN 1
HD-audio-compliant
pin definition
AAFP
Line out_L
NC
NC
Line out_R
NC
MICPWR
NC
MIC2
AGND
PIN 1
Legacy AC'97
compliant definition
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