Asus Z97M-PLUS, User Manual, Page: 30 / 144

1-16 Chapter 1: Product introduction
Chapter 1
2. 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
®
7.
• The plugged USB 3.0 device may run on xHCI or EHCI mode depending on the
operating system’s setting.
3. Serial port connector (10-1 pin COM)
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.
Z97M-PLUS
Z97M-PLUS USB3.0 Front panel connector
USB3_12
USB3+5V
IntA_P1_SSRX-
IntA_
GND
IntA_P1_SSTX-
IntA_
GND
IntA_P1_D-
In
GND
PIN 1
USB3+5V
IntA_P2_SSRX-
IntA_
GND
IntA_P2_SSTX-
IntA_
GND
IntA_P2_D-
In
Z97M-PLUS
Z97M-PLUS Serial port (COM) connector
PIN 1
COM
DCD TXD GND RTS
RI
RXD DTR DSR CTS