2-13
Chapter 2 - Mainboard Hardware
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
supports 1
st
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.
SATA1/SATA2
PIN SIGNAL PIN SIGNAL
1 GND 2 TXP
3 TXN 4 GND
5 RXN 6 RXP
7 GND
SATA1 & SATA2 Pin Definition
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
®
Front Panel I/O Connectivity Design
Guide.
JAUD1
1
2
7
1
Pin Definition
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.
5
6
10
9
10
9
PIN SIGNAL DESCRIPTION
1 AUD_MIC Front panel microphone input signal
2 AUD_GND Ground used by analog audio circuits
3 AUD_MIC_BIAS Microphone power
4 AUD_VCC Filtered +5V used by analog audio circuits
5 AUD_FPOUT_R Right channel audio signal to front panel
6 AUD_RET_R Right channel audio signal return from front panel
7 HP_ON Reserved for future use to control headphone amplifier
8 KEY No pin
9 AUD_FPOUT_L Left channel audio signal to front panel
10 AUD_RET_L Left channel audio signal return from front panel
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