Asus P5QL-I/SI - Manual (Page 23)

1-14 Chapter 1: Product introduction
4. USB connector (10-1 pin USB78)
This connector is for a USB 2.0 port. Connect the USB module cable to this connector,
then install the module to a slot opening at the back of the system chassis. This USB
connector complys with USB 2.0 specification that supports up to 480 Mbps connection
speed.
Never connect a 1394 cable to the USB connector. Doing so will damage the motherboard!
The USB module cable is purchased separately.
5. Serial ATA connectors (7-pin SATA1-4)
These connectors are for the Serial ATA signal cables for Serial ATA 3Gb/s hard disk
drives and optical disk drives. The Serial ATA 3Gb/s is backward compatible with the
Serial ATA 1.5Gb/s specification. The data transfer rate of the Serial ATA 3Gb/s is faster
than the standard parallel ATA (133 MB/s).