Intel Desktop Board DQ77MK Technical Product Specification
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2.2.1 Back Panel Connectors
Figure 10 shows the location of the back panel connectors for the board.
USB 2.0 high current charging ports
Figure 10. Back Panel 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.