Asus M4A77TD - Motherboard - ATX User Manual page 37

5. USB connectors (10-1 pin USB78, USB910, 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
480Mbps connection speed.
M4A77TD
M4A77TD USB2.0 connectors
Never connect a 1394 cable to the USB connectors. Doing so will damage the
motherboard!
The USB 2.0 module is purchased separately.
ASUS M4A77TD
USB78 USB1112
PIN 1 PIN 1
USB910
PIN 1
1-25