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2-14
Chapter 2
Audio Port
Speaker-out
is a connector for Speakers or Headphones.
Line-in
is used
for external CD player, Tape player, or other audio devices.
Mic-in
is a connec-
tor for microphones. These three ports can also be used for 5.1 channel audio
output.
NOTE:
When used for 5.1 channel audio output, Speaker-out is used for “left/
right”, Line-in is used for “surround left/right” while Mic-in is used for “Center/
LFE (Subwoofer).
Speaker-out Line-in Mic-in
USB Ports
The mainboard provides two USB2.0 EHCI/USB1.1 OHCI Universal Se-
rial Bus root for attaching USB devices such as keyboard, mouse or other USB-
compatible devices. You can plug the USB device directly into the connector.
USB Ports
1 2 3 4
5 6 7 8
USB Port Description
PIN
SIGNAL
DESCRIPTION
1
VCC
+5V
2
-Data 0
Negative Data Channel 0
3
+Data 0
PositiveData Channel 0
4
GND
Ground
5
VCC
+5V
6
-Data 1
Negative Data Channel 1
7
+Data 1
PositiveData Channel 1
8
GND
Ground
