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7.
USB 2.0 connectors (10-1 pin USB910, USB1112)
These connectors are for USB 2.0 ports. Connect the USB module cable to any of these
connectors, then install the module to a slot opening at the back of the system chassis. These
USB connectors comply with USB 2.0 specifications and supports up to 480Mbps connection
speed.
H81M-C R2.0
H81M-C R2.0 USB2.0 connectors
Never connect a 1394 cable to the USB connectors. Doing so will damage the
motherboard!
The USB 2.0 module is purchased separately.
8.
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.
H81M-C R2.0
H81M-C R2.0 Serial port connectors
The COM module is purchased separately.
ASUS H81M-C R2.0
USB910
USB1112
PIN 1
PIN 1
COM
PIN 1
1-19
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