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Audio board
The audio board that came with your computer should look like
the figure that follows.
Label
JUSB1
JUSB2
USB1
USB2
JAUD1
JAUD2
JMIC1
JSPK1
Note: The system has two microphone-in jacks (front and
rear). However, you can not use both of them at the same
time. By default, your system enables the microphone-in
jack in front and disables the one at the back.
Description
USB Connector - connects to the JUSB1 of the
mainboard
USB Connector - unused
USB port
USB port
Standard audio connector - connects to the JAUD1
of the mainboard
Standard audio connector -unsed
Microphone-in jack
Audio out port
4 Upgrading your computer