22
Installing the Motherboard
F-AUDIO: Front Panel Audio header (optional)
This header allows the user to install auxiliary front-oriented microphone and 6/8 (op-
tional) line-out ports for easier access.
Pin Signal Name Function
1 AUD_MIC Front Panel Microphone input signal
2 AUD_GND Ground used by Analog Audio Circuits
3 AUD_MIC_BIAS Microphone Power
4 AUD_VCC Filtered +5V used by Analog Audio Circuits
5 AUD_F_R Right Channel audio signal to Front Panel
6 AUD_RET_R Right Channel Audio signal to Return from Front Panel
7 REVD Reserved
8 Key No Pin
9 AUD_F_L Left Channel Audio signal to Front Panel
10 AUD_RET_L Left Channel Audio signal to Return from Front Panel
CD_IN1: Analog audio input connector
Pin Signal Name Function
1 CD in_L CD In left channel
2 GND Ground
3 GND Ground
4 CD in_R CD In right channel
1 PORT 1L 2 AUD_GND
3 PORT 1R 4 PRESENCE#
5 PORT 2R 6 SENSE1_RETURN
7 SENSE_SEND 8 KEY
Pin Signal Name
Pin Signal Name
9 PORT 2L 10 SENSE2_RETURN
SATA1~2: Serial ATA connectors
These connectors are used to support the new Serial ATA devices for the highest date
transfer rates (3.0 Gb/s), simpler disk drive cabling and easier PC assembly. It eliminates
limitations of the current Parallel ATA interface. But maintains register compatibility and
software compatibility with Parallel ATA.
1 Ground 2 TX (+)
3 TX (-) 4 Ground
5 RX (-) 6 RX (+)
7 Ground - -
Pin Signal Name Pin Signal Name
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