Asus P7P55 WS SUPERCOMPUTER - Manual (Page 51)

2. USB connectors (10-1 pin USB78, USB1112; A-Type USB9, USB10) USB connectors (10-1 pin USB78, USB1112; A-Type USB9, USB10)
These connectors are for USB 2.0 ports. Connect the USB module cables
to connectors USB78 and 1112, then install the modules 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.
Never connect a 1394 cable to the USB connectors. Doing so will damage the
motherboard!
You can connect the USB cable to ASUS Q�Connector (USB, blue) first, and
then install the Q-Connector (USB) to the USB connector onboard.
The USB cable is purchased separately.
3. Serial port connector (10-1 pin COM1)
This connector is for a serial (COM) port. Connect the serial port module
cable to this connector, then install the module to a slot opening at the back
of the system chassis.
The COM module is purchased separately.
ASUS P7P55 WS Supercomputer 2-27