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(6)CD Audio-In Headers (4-pin) : J10
This header is for the CD-ROM Audio connector.
(7)Line-in Headers (4-pin) : J6
This header is for Line-in connector.
(8)Audio-In/Out Headers (5-pin) : J7
The Audio-in header is for MIC-in connector.
The Audio-out header is for Line-out connector.