Lenovo ThinkCentre A35 Service Manual page 24

7) AUX_IN (AUX In Connector)
Connect other device (such as PCI TV Tunner audio out) to the connector.
8) F_AUDIO (Front Audio Panel Connector)
Please make sure the pin assignment on the cable is the same as the pin assignment on the MB header. To find
out if the chassis you are buying support front audio panel connector, please contact your dealer. If you want
to use "Front Audio" connector, you must remove the jumpers from pins 5-6,9-10.
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