4 Upgrading your computer
70
Audio board
The audio board that came with your computer should look like
the figure that follows.
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.
Label Description
JUSB1
USB Connector - connects to the JUSB1 of the
mainboard
JUSB2 USB Connector - unused
USB1 USB port
USB2 USB port
JAUD1 Standard audio connector - connects to the JAUD1
of the mainboard
JAUD2 Standard audio connector -unsed
JMIC1 Microphone-in jack
JSPK1 Audio out port
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