Connecting I/O Devices - ECS A990FXM-A Manual

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Connecting I/O Devices

The backplane of the motherboard has the following I/O ports:
Bluetooth
PS/2 mouse and
keyboard combo
connector
CLR_COMS_BTN
USB 2.0 Ports
USB 3.0 Ports
LAN Ports
eSATA Ports
Optical SPDIF
Output
Audio Ports
Used to connect to Bluetooth devices.
Connect the PS/2 Keyboard or PS/2 Mouse to the PS/2
combo port.
Use the CLR_CMOS button to clear CMOS.
Use the USB 2.0 ports to connect USB 2.0 devices.
Use the USB 3.0 ports to connect USB3.0 devices.
Connect an RJ-45 jack to the LAN port to connect your
computer to the network.
Use these ports to connect to external SATA boxes or Serial
ATA port multipliers.
Before connecting the eSATA cables, make sure to turn off
the power of the external enclosure.
This jack connects to external optical digital audio output
devices.
Use the audio jacks to connect audio devices. The C port is
for stereo line-in signal, while the E port is for microphone
in signal. This motherboard supports audio devices that cor-
respond to the A, B and D port respectively. In addition, all
of the 3 ports, B, and D provide users with both right & left
channels individually. Users please refer to the following
note for specific port function definition.
A: Center & Woofer
B: Back Surround
C: Line-in
The above port definition can be changed to audio input or
audio output by changing the driver utility setting.
Installing the Motherboard
D: Front Out
E: Mic_in Rear
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