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Serial ATA Connectors: SATA1, SATA2
The southbridge of this mainboard is VIA8237 which supports two serial
connectors SATA1& SATA2.
SATA1 & SATA2 are dual high-speed Serial ATA interface ports. Each
st
supports 1
generation serial ATA data rates of 150 MB/s. Both connectors are
fully compliant with Serial ATA 1.0 specifications. The Serial ATA connector
allows you to connect the hard disk device of Serial ATA interface.
1
7
SATA1/SATA2
Front Panel Audio Connector: JAUD1
The JAUD1 front panel audio connector allows you to connect to the front
panel audio and is compliant with Intel
Guide.
Pin Definition
PIN
SIGNAL
1
AUD_MIC
2
AUD_GND
3
AUD_MIC_BIAS
4
AUD_VCC
5
AUD_FPOUT_R
6
AUD_RET_R
7
HP_ON
8
KEY
9
AUD_FPOUT_L
10
AUD_RET_L
MSI Reminds You...
If you don't want to connect to the front audio header, pins 5 & 6, 9 &
10 have to be jumpered in order to have signal output
directed to the rear audio ports. Otherwise, the Line-
Out connector on the back panel will not function.
Chapter 2 - Mainboard Hardware
SATA1 & SATA2 Pin Definition
PIN
SIGNAL
1
GND
3
TXN
5
RXN
7
GND
®
Front Panel I/O Connectivity Design
2
JAUD1
1
DESCRIPTION
Front panel microphone input signal
Ground used by analog audio circuits
Microphone power
Filtered +5V used by analog audio circuits
Right channel audio signal to front panel
Right channel audio signal return from front panel
Reserved for future use to control headphone amplifier
No pin
Left channel audio signal to front panel
Left channel audio signal return from front panel
2-13
PIN
SIGNAL
2
TXP
4
GND
6
RXP
10
9
10
6
5
9
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