1.
Azalia
compliant definition
PORT1 L GND
PORT1 R PRESENCE#
PORT2 R SENSE1_RETUR
E_SEND (null)
PORT2 L SENSE2_RETUR
2.
Legacy AC 97
compliant definition
MIC2 ---GND(Ground)
MICPWR ---+5VA (注意这里接头线可能显示的是MC_PW,其实都一样只是缩写)
Line out_R--- BLINE_OUT_R
NC (No Connection)
Line_out_L --- BLINE_OUT_L

假设从上到下(总共9个接口),
1 6
2 7
3 8
4 9(空)
5 10
如果你有7个接头,麦克风的power接MICPWR(2), GND接6, Line_R和Line_L分别接3和5, OUT_R和OUT_L分别接8和10,最后NC(4)和+5VA(7)留空。
Reference:
yjfxue,"2006,P5PL2主板前置麦不好使",,pp.2, http://www.cpcfan.com/viewarticle.php?id=3725

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