Hd Audio Link Header; Front Panel Audio Header; Hd Audio Link Header Signal Names; Front Panel Audio Header Signal Names For Hd Audio - Intel BLKDQ45CB Product Manual

HD Audio Link Header

See Figure 22, A for the location of the HD Audio Link header. Table 6 shows the pin
assignments for the header.
Table 6. HD Audio Link Header Signal Names
Pin Signal Name
1 BCLK
3 RST#
5 SYNC
7 SDO
9 SDI0
11 SDI1
13 No Connection
15 No Connection

Front Panel Audio Header

The front panel audio header supports both High Definition (HD) Audio and AC'97
Audio. Table 7 shows the pin assignments and signal names for HD Audio and Table 8
shows the pin assignments and signal names for AC'97 Audio.
Table 7. Front Panel Audio Header Signal Names for HD Audio
Pin Signal Name
1 PORT 1L
3 PORT 1R
5 PORT 2R
7 SENSE_SEND
9 PORT 2L
Table 8. Front Panel Audio Header Signal Names for AC'97 Audio
Pin Signal Name
1 MIC
3 MIC_BIAS
5 FP_OUT_R
7 AUD_5V
9 FP_OUT_L
Installing and Replacing Desktop Board Components
Pin Signal Name
2 Ground
4 DVDD_IO
6 Ground
8 3.3V_DVDD_CORE
10 +12 V
12 Key
14 3.3V_DUAL
16 Ground
Pin Signal Name
2 GND
4 PRESENCE#
6 SENSE1_RETURN
8 KEY (no pin)
10 SENSE2_RETURN
Pin Signal Name
2 AUD_GND
4 AUD_GND
6 FP_RETURN_R
8 KEY (no pin)
10 FP_RETURN_L
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