23
Installing the Motherboard
CD_IN1: Analog audio input connector
SATA1/2/3/4: Serial ATA connectors
These connectors are used to support the new Serial ATA devices for the highest date
transfer rates (1.5 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.
SPDIFO: SPDIF out header
This is an optional header that provides an S/PDIF (Sony/Philips Digital Interface) output
to digital multimedia device through optical fiber or coxial connector.
Pin Signal Name Function
1 CD in_R CD In right channel
2 GND Ground
3 GND Ground
4 CD in_L CD In left channel
Pin Signal Name Function
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 SPDIF SPDIF digital output
2 VCC +5V power
3 Key No pin
4 GND Ground
Pin Signal Name
Function
TV_OUT1: TV-out header (optional)
Users may connect this header to your TV set to achieve the TV-out function.
Pin Signal Name Function
1 GND Ground
2 COMP Composite
3 LUM Luminance
4 GND Ground
5 CHROMA Chrominance
6 KEY No pin
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