ECS P17G/1333 Series User Manual page 22

On the motherboard, locate the Serial ATA connectors SATA1-4, which support
new Serial ATA devices for the highest data transfer rates, 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.
Analog Audio Input Header
If you have installed a CD-ROM drive or DVD-ROM drive, you can connect the
drive audio cable to the onboard sound system.
When you first start up your system, the BIOS should automatically detect your
CD-ROM/DVD drive. If it doesn't, enter the Setup Utility and configure the CD-
ROM/DVD drive that you have installed. On the motherboard, locate the 4-pin
header CD_IN1.
Chapter 2: Motherboard Installation
1
Pin Signal
1 CD_L
2 GND
3 GND
4 CD_R
19