ECS Motherboard User Manual page 48

Motherboard User's Guide
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.
CD1
1
When you first start up your system, the BIOS should automati-
cally 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 CD1.
Pin Signal
1 CD IN L
2 GND
3 GND
4 CD IN R
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