17
Installing the Motherboard
Connecting Optional Devices
Refer to the following for information on connecting the motherboard’s optional
devices:
F_AUDIO: Front Panel Audio header (Optional)
This header allows the user to install auxiliary front-oriented microphone and line-
out ports for easier access.
Pin Signal Name Function
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
9 PORT 2L 10 SENSE2_RETURN
Pin Signal Name
SATA1~4: 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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