Installing and Replacing Desktop Board Components
Connecting to the HD Audio Link Header
See Figure 22, A for the location of the HD Audio Link header. Table 4 shows the pin assignments for the header.
Table 4. High Definition Audio Link
Pin | Signal Name |
|
|
1 | BCLK |
|
|
3 | RST |
|
|
5 | SYNC |
|
|
7 | SDO |
|
|
9 | SDI |
|
|
11 | No Connection |
|
|
13 | No Connection |
|
|
15 | No Connection |
|
|
Pin | Signal Name |
|
|
2 | Ground |
|
|
4 | 3.3V/1.5V I/O |
|
|
6 | Ground |
|
|
8 | 3.3V_Core |
|
|
10 | +12V |
|
|
12 | Key |
143.3V/1.5V STBY
16Ground
Connecting to the IEEE 1394a Header
See Figure 22, B for the location of the blue IEEE 1394a header. Table 5 shows the pin assignments for the header.
Table 5. IEEE 1394a Signal Header Names
Pin | Signal Name |
|
|
1 | TPA1+ |
|
|
3 | Ground |
|
|
5 | TPA2+ |
|
|
7 | +12 V |
|
|
9 | Key (no pin) |
|
|
Pin | Signal Name |
|
|
2 | TPA1- |
|
|
4 | Ground |
|
|
6 | TPA2- |
|
|
8+12 V
10Ground
Installing a Front Panel Audio Solution for Intel® High
Definition Audio
Figure 22, C on page 42 shows the location of the yellow front panel audio header. Table 6 shows the pin assignments for the front panel audio header.
Table 6. Front Panel Audio Header Signal Names for Intel High Definition 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
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