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Chapter 1: Product introduction
Chapter 1
3. 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 benets of
USB 3.0 including faster data transfer speeds of up to 5Gbps, faster charging time for
USB-chargeable devices, optimized power efciency, and backward compatibility with
USB 2.0.
• The USB 3.0 module is purchased separately.
• These connectors are based on xHCI specication. We recommend you to install
the related driver to fully use the USB 3.0 ports under Windows
®
7 or later operating
systems.
H87M-PLUS
H87M-PLUS USB3.0 Front panel connector
USB3_12
4. 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.
H87M-PLUS
H87M-PLUS Serial port (COM) connector
PIN 1
COM
RI
RTS
GND
TXD
DCD
CTS
DSR
DTR
RXD