Asus SABERTOOTH 990FX/GEN3 R2.0 - Manual (Page 46)

1-32 Chapter 1: Product introduction
Chapter 1
Never connect a 1394 cable to the USB connectors. Doing so will damage the
motherboard!
You can connect the front panel USB cable to the ASUS Q-Connector (USB, brown) first,
and then install the Q-Connector (USB) to the USB connector onboard if your chassis
supports front panel USB ports.
The USB 2.0 module is purchased separately.
5. USB 2.0 connectors (10-1 pin USB1314, USB1112)
These connectors are for USB 2.0 ports. Connect the USB module cable to any of
these connectors, then install the module to a slot opening at the back of the system
chassis. These USB connectors comply with USB 2.0 specification that supports up to
48 MBps connection speed.