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Installing and Replacing Desktop Board Components
47
Front Panel Audio Header
Figure 27, A shows the location of the front panel audio header. Table 4 shows the pin
assignments and signal names for the front panel audio header.
Table 4. Front Panel Audio Header Signal Names
Pin Signal Name Pin Signal Name
1 PORT 1L 2 GND
3 PORT 1R 4 PRESENCE#
5 PORT 2R 6 SENSE1_RETURN
7 SENSE_SEND 8 KEY (no pin)
9 PORT 2L 10 SENSE2_RETURN
HD Audio Link Header
Figure 27, B shows the location of the HD Audio Link header. Table 5 shows the pin
assignments and signal names for the HD Audio Link header.
Table 5. HD Audio Link Header Signal Names
Pin Signal Name Pin Signal Name
1 BCLK 2 Ground
3 RST# 4 3.3 Vcc
5 SYNC 6 Ground
7 SDO 8 3.3 Vcc
9 SDI0 10 +12 V
11 SDI1 12 Key
13 No Connection 14 3.3 V STBY
15 No Connection 16 Ground