Installing the motherboard – Elitegroup ST945GM (V1.0) User Manual
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Installing the Motherboard
SATA1/2: Serial ATA connectors
These connectors are use 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.
SPKOUT1: External amplifier for internal speaker out
AUDIO1: Front Panel Audio header
This header allows the user to install auxiliary front-oriented microphone and line-out ports
for easier access.
2
GND
1394A2: IEEE 1394A header
Connect this header to any device with IEEE 1394a interface.
This header is an additional line-out header.
Pin
Signal Name
Function
1
MIC
2
GND
3
MIC_BIAS
4
VCC
5
EAROUTR
6
LOUTR
7
RSVD
8
Key
9
EAROUTL
10
LOUTL
Pin
Signal Name
Pin
Signal Name
Pin
Signal Name
Function
1
Ground
2
TX+
3
TX-
4
Ground
5
RX-
6
RX+
7
Ground
-
-
Pin
Signal Name
Pin
Signal Name
1
LOUTR-X
3
GND
4
LOUTL-X
Pin
Signal Name
Pin
Signal Name
Function
1
TPA1P
2
TPA1M
3
GND
4
GND
5
TPB1P
6
TPB1M
7
CPWR1
8
CPWR1
9
NC
10
GND
Pin
Signal Name
Pin
Signal Name