Intel Desktop Board DB75EN Technical Product Specification
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1.8.2 Audio Connectors and Headers
The board contains audio connectors and headers on both the back panel and the
component side of the board. The component-side audio headers include front panel
audio (a 2 x 5-pin header that provides mic in and line out signals for front panel audio
connectors). The available configurable back panel audio connectors are shown in
Figure 4.
Item Description
A Line in/surround
B Line out/front speakers
C Mic in/center/sub
Figure 4. Back Panel Audio Connectors
NOTE
The back panel audio line out connector is designed to power headphones or amplified
speakers only. Poor audio quality occurs if passive (non-amplified) speakers are
connected to this output.
For information about Refer to
The locations of the front panel audio header and S/PDIF audio header Figure 11, page 45
The signal names of the front panel audio header and S/PDIF audio header Section 2.2.2.1, page 47
The back panel audio connectors Section 2.2.1, page 44
1.8.2.1 S/PDIF Header
The S/PDIF header allows connections to coaxial or optical dongles for digital audio
output.
1.8.2.2 Internal Mono Speaker Header
The internal mono speaker header allows connection to an internal, low-power speaker
for basic system sound capability. The subsystem is capable of driving a speaker load
of 8 Ohms at 1 W (rms) or 4 Ohms at 1.5 W (rms).
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