Acer 3600 Series manual Audio board that came with your computer should look like

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Audio board

The audio board that came with your computer should look like the

figure that follows.

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 - unused
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.