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Audio board
The audio board that came with your computer should look like the
figure that follows.
Label
Description
JUSB3
USB Connector - connects to the JUSB2 of the mainboard
JUSB4
USB Connector - connects to the JUSB3 of the mainboard
USB1 to
USB ports
USB4
JAUD1
Standard audio connector - connects to the JAUD1 of the
mainboard
JMIC1
Microphone-in jack
JSPK1
Audio-out port
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.
JUSB3, JUSB4
USB1~USB4
4 Upgrading your computer
JAUD1
JMIC1
JSPK1