Asus P8Z77-V LE PLUS - Manual (Page 46)

2-26 Chapter 2: Hardware information
Chapter 2
7. USB 3.0 connector (20-1 pin USB3_34)
These connectors are for the additional USB 3.0 ports, and complies with the USB 3.0
specificaton that supports up to 4.8Gbps connection speed. If the USB 3.0 front panel
cable is available from your system chassis, with this USB 3.0 connector, you can have
a front panel USB 3.0 solution.
• You can connect the ASUS front panel USB 3.0 bracket to this connector to obtain the
front panel USB 3.0 solution.
• Due to Intel ® limitations, the USB3_12 and USB3_34 only support Windows ® 7
operating system.
P8Z77-V LE PLUS
P8Z77-V LE PLUS USB3.0 front panel connector
USB3_34
8. 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 serial port bracket (COM1) module is purchased separately.
P8Z77-V LE PLUS
P8Z77-V LE PLUS Serial port (COM1) connector
PIN 1
COM1
DCD TXD GND RTS
RI
RXD DTR DSR CTS