Asus H81M-C H81M-C User's Manual - Page 25

H81M-C Serial port connectors, USB 2.0 connectors 10-1 pin USB910, USB1112 - p port

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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. USB910 USB1112 USB+5V USB_P11USB_P11+ GND NC USB+5V USB_P9USB_P9+ GND NC H81M-C PIN 1 PIN 1 USB+5V USB_P12USB_P12+ GND USB+5V USB_P10USB_P10+ GND H81M-C 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. COM PIN 1 RXD DTR DSR CTS DCD TXD GND RTS RI H81M-C H81M-C Serial port connectors The COM module is purchased separately. ASUS H81M-C 1-17

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ASUS H81M-C
1-17
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 speciļ¬cations and supports up to
480Mbps connection speed.
Never connect a 1394 cable to the USB connectors. Doing so will damage the
motherboard!
The USB 2.0 module is purchased separately.
H81M-C
H81M-C USB2.0 connectors
PIN 1
USB+5V
USB_P11-
USB_P11+
GND
NC
USB+5V
USB_P12-
USB_P12+
GND
USB1112
USB910
PIN 1
USB+5V
USB_P9-
USB_P9+
GND
NC
USB+5V
USB_P10-
USB_P10+
GND
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.
The COM module is purchased separately.
H81M-C
H81M-C Serial port connectors
PIN 1
COM
DCD
TXD
GND
RTS
RI
RXD
DTR
DSR
CTS