18
Installing the Motherboard
F_AUDIO: Front Panel Audio header
This header allows the user to install auxiliary front-oriented microphone and line-
out ports for easier access.
SATA1~5: Serial ATA connectors
These connectors are used to support the new Serial ATA devices for the highest data
transfer rates (3.0 Gb/s), simpler disk drive cabling and easier PC assembly. It elimi-
nates limitations of the current Parallel ATA interface. But maintains register com-
patibility and software compatibility with Parallel ATA.
CD_IN: Analog audio input connector
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
1 Ground 2 TX+
3 TX- 4 Ground
5 RX- 6 RX+
7 Ground - -
Pin Signal Name
Pin Signal Name
Pin Signal Name Function
1 CD_L Left CD-in signal
2 GND Ground
3 GND Ground
4 CD_R Right CD-in signal
CASE: Chassis Intrusion Detect Header
This detects if the chassis cover has been removed. This function needs a chassis
equipped with instrusion detection switch and needs to be enabled in BIOS.
Short Chassis cover is removed
Open Chassis cover is closed
Pin 1-2 Function
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General
Weight and Dimensions
