Asus Z87-C User Manual page 41

6. Serial port connector (10-1 pin COM)
The connector is for a serial (COM) port. Connect the serial port module cable to the
connector, then install the module to a slot opening at the back of the system chassis.
The serial port bracket (COM) is purchased separately.
7. USB 3.0 connector (20-1 pin USB3_12)
This connector allows you to connect a USB 3.0 module for additional USB 3.0 front
or rear panel ports. With an installed USB 3.0 module, you can enjoy all the benefits of
USB 3.0 including faster data transfer speeds of up to 5Gbps, faster charging time for
USB-chargeable devices, optimized power efficiency, and backward compatibility with
USB 2.0.
• The USB 3.0 module is purchased separately.
• These connectors are based on xHCI specification. We recommend you to install the
related driver to fully use the USB 3.0 ports under Windows
Chapter 1: Product introduction
7.
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