Intel DG35EC Product Guide - Page 48

Chassis Intrusion Header, Connecting to the Onboard Audio System - audio drivers

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Intel Desktop Board DG35EC Product Guide Chassis Intrusion Header Figure 23, H on page 44 shows the location of the chassis intrusion header. This header can be connected to a mechanical switch on the chassis to detect if the chassis cover is removed. Table 11 shows the pin assignments for the chassis intrusion header. Table 11. Chassis Intrusion Header Pin Description 1 Intruder 2 Ground Connecting to the Onboard Audio System After installing the RealTek audio driver from the Intel Express Installer CD-ROM, the multi-channel audio feature can be enabled. Figure 24 shows the back panel audio connectors. Table 12 lists the functions of the connectors in the different audio modes. Figure 24. Back Panel Audio Connectors Table 12. Back Panel Audio Connector Definition Connector A (Blue) B (Green) C (Pink) 2-Channel Function Line in Line out Mic in 4-Channel Function Left/right rear Left/right front Mic in 6-Channel Function Left/right rear Left/right front Subwoofer/center channel NOTE The back panel line out connector is designed to power either headphones or amplified speakers only. Poor audio quality may occur if passive (non-amplified) speakers are connected to this output. 48

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Intel Desktop Board DG35EC Product Guide
48
Chassis Intrusion Header
Figure 23, H on page 44 shows the location of the chassis intrusion header.
This
header can be connected to a mechanical switch on the chassis to detect if the chassis
cover is removed.
Table 11 shows the pin assignments for the chassis intrusion
header.
Table 11. Chassis Intrusion Header
Pin
Description
1
Intruder
2
Ground
Connecting to the Onboard Audio System
After installing the RealTek audio driver from the Intel Express Installer CD-ROM, the
multi-channel audio feature can be enabled.
Figure 24 shows the back panel audio
connectors.
Table 12 lists the functions of the connectors in the different audio
modes.
Figure 24.
Back Panel Audio Connectors
Table 12. Back Panel Audio Connector Definition
Connector
2-Channel Function
4-Channel Function
6-Channel Function
A (Blue)
Line in
Left/right rear
Left/right rear
B (Green)
Line out
Left/right front
Left/right front
C (Pink)
Mic in
Mic in
Subwoofer/center
channel
NOTE
The back panel line out connector is designed to power either headphones or amplified
speakers only.
Poor audio quality may occur if passive (non-amplified) speakers are
connected to this output.