Installing and Replacing Desktop Board Components
S/PDIF Connector
Figure 23, A shows the location of the S/PDIF connector. This connector can be used with HDMI video cards that do not work with the HD Audio Link header (see
Figure 23, B).
Table 4 shows the pin assignments and signal names for the S/PDIF connector.
Table 4. S/PDIF Connector Signal Names
Pin Description
1Vcc
2S/PDIF Out
3Ground
Front Panel Audio Header
Figure 23, B shows the location of the front panel audio header. The front panel audio header supports both High Definition (HD) Audio and AC’97 Audio. Table 5 shows the pin assignments and signal names for HD Audio and Table 6 shows the pin assignments and signal names for AC’97 Audio.
Table 5. 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# |
6SENSE1_RETURN
8KEY (no pin)
10SENSE2_RETURN
Table 6. Front Panel Audio Header Signal Names for AC ’97 Audio
Pin | Signal Name |
|
|
1 | MIC |
|
|
3 | MIC_BIAS |
|
|
5 | FP_OUT_R |
7AUD_5V
9FP_OUT_L
Pin | Signal Name |
|
|
2 | AUD_GND |
|
|
4 | AUD_GND |
6FP_RETURN_R
8KEY (no pin)
10FP_RETURN_L
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