Intel DX79SI Product Guide for Intel Desktop Board DX79SI - Page 54

Alternate Front Panel Power LED Header, Connecting to the Audio System

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Intel Desktop Board DX79SI Product Guide Alternate Front Panel Power LED Header Figure 22, J shows the location of the alternate front panel power LED header. Pins 1 and 3 of this header duplicate the signals on pins 2 and 4 of the front panel header. If your chassis has a three-pin power LED cable, connect it to this header. Table 15 shows the pin assignments and signal names for the alternate front panel power LED header. Table 15. Alternate Front Panel Power LED Header Signal Names Pin Description 1 Front panel green LED 2 No pin 3 Front panel yellow LED In/Out Out Out Connecting to the Audio System After installing the RealTek audio driver from the Intel® Express Installer DVD, the multi-channel audio feature can be enabled. Figure 23 shows the back panel audio connectors. The default connector assignments are shown in the table. Item Description A Surround Left and Right B Center Channel and LFE (Subwoofer) C Side Surround Left and Right/Line In/Retasking Jack D Line Out E Mic In F S/PDIF Digital Audio Out (Optical) Figure 23. Back Panel Audio Connectors 54

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Intel Desktop Board DX79SI Product Guide
54
Alternate Front Panel Power LED Header
Figure 22, J shows the location of the alternate front panel power LED header.
Pins 1
and 3 of this header duplicate the signals on pins 2 and 4 of the front panel header.
If
your chassis has a three-pin power LED cable, connect it to this header.
Table 15 shows the pin assignments and signal names for the alternate front panel
power LED header.
Table 15. Alternate Front Panel Power LED Header Signal Names
Pin
Description
In/Out
1
Front panel green LED
Out
2
No pin
3
Front panel yellow LED
Out
Connecting to the Audio System
After installing the RealTek audio driver from the Intel
®
Express Installer DVD, the
multi-channel audio feature can be enabled.
Figure 23 shows the back panel audio
connectors.
The default connector assignments are shown in the table.
Item
Description
A
Surround Left and Right
B
Center Channel and LFE (Subwoofer)
C
Side Surround Left and Right/Line
In/Retasking Jack
D
Line Out
E
Mic In
F
S/PDIF Digital Audio Out (Optical)
Figure 23.
Back Panel Audio Connectors