Installing and Replacing Desktop Board Components
Analog Surround Audio Header
Figure 16, A shows the location of the analog surround audio header and Table 4 shows the pin assignments and signal names.
Table 4. Analog Surround Audio Header
Signal Names
Pin | Signal Name |
|
|
1 | Front_L |
|
|
3 | A_GND |
|
|
5 | Surr_L |
|
|
7 | A_GND |
|
|
9 | Surr_Bk_L |
|
|
11 | A_GND |
|
|
13 | Center |
|
|
15 | A_GND |
|
|
17 | KEY |
|
|
Pin | Signal Name |
|
|
2 | A_GND |
|
|
4 | Front_R |
|
|
6 | A_GND |
|
|
8 | Surr_R |
|
|
10 | A_GND |
|
|
12 | Surr_Bk_R |
|
|
14 | A_GND |
|
|
16 | LFE |
|
|
18 | SENSE |
|
|
Internal Stereo Speakers Connector
Figure 16, B shows the location of the internal stereo speakers connector and Table 5 shows the pin assignments and signal names.
Table 5. Internal Stereo Speakers
Connector Signal Names
Pin Signal Name
1Front_L−
2Front_L+
3Front_R+
4Front_R−
Home Theater PC (HTPC) Header
Figure 16, C shows the location of the HTPC header and Table 6 shows the pin assignments and signal names.
Table 6. HTPC Header Signal Names
Pin Signal Name
1RECORDING_LED
3No Connection
5 | +3.3 V |
|
|
7 | PWRBTN# |
Pin | Signal Name |
|
|
2 | Ground |
|
|
4 | SMB_CLK_RESUME |
6SMB_DATA_RESUME
8CEC
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