ECS A880GM-AD3 Manual page 22

18
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.
Pin Signal Name
1
Ground
3
TX-
5
RX-
7
Ground
F_AUDIO: Front Panel Audio header
This header allows the user to install auxiliary front-oriented microphone and line-
out ports for easier access.
Pin Signal Name
Pin Signal Name
1
PORT 1L
3
PORT 1R
5
PORT 2R
7
SENSE_SEND
9
PORT 2L
CD_IN: Analog audio input connector
Pin Signal Name
1
CD_L
2
GND
3
GND
4
CD_R
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.
Pin 1-2 Function
Short Chassis cover is removed
Open Chassis cover is closed
Pin Signal Name
2
TX+
4
Ground
6
RX+
-
-
Pin Signal Name
Function
2
AUD_GND
4
PRESENCE#
6
SENSE1_RETURN
8
KEY
10
SENSE2_RETURN
Function
Left CD-in signal
Ground
Ground
Right CD-in signal
Installing the Motherboard