Intel boxdq45cb Product Guide - Page 47

HD Audio Link Header, Front Panel Audio Header

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Installing and Replacing Desktop Board Components 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# Pin Signal Name 2 Ground 4 DVDD_IO 5 SYNC 6 Ground 7 SDO 9 SDI0 11 SDI1 8 3.3V_DVDD_CORE 10 +12 V 12 Key 13 No Connection 14 3.3V_DUAL 15 No Connection 16 Ground 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 Pin Signal Name 2 GND 4 PRESENCE# 6 SENSE1_RETURN 8 KEY (no pin) 10 SENSE2_RETURN 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 Pin Signal Name 2 AUD_GND 4 AUD_GND 6 FP_RETURN_R 8 KEY (no pin) 10 FP_RETURN_L 47

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Installing and Replacing Desktop Board Components
47
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
Pin
Signal Name
1
BCLK
2
Ground
3
RST#
4
DVDD_IO
5
SYNC
6
Ground
7
SDO
8
3.3V_DVDD_CORE
9
SDI0
10
+12 V
11
SDI1
12
Key
13
No Connection
14
3.3V_DUAL
15
No Connection
16
Ground
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
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
Table 8. Front Panel Audio Header Signal Names for AC’97 Audio
Pin
Signal Name
Pin
Signal Name
1
MIC
2
AUD_GND
3
MIC_BIAS
4
AUD_GND
5
FP_OUT_R
6
FP_RETURN_R
7
AUD_5V
8
KEY (no pin)
9
FP_OUT_L
10
FP_RETURN_L