Technical product specification

Intel Desktop Board DQ77KB Technical Product Specification
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Table 25. LPC Debug Connector
Pin Signal Name
1 GND
2 GND
3 LFRAME#
4 LAD3
5 LAD2
6 LAD1
7 LAD0
8 CK_33M_DEBUG
9 PLTRST#
10 3P3V
11 3P3V
Table 26. Internal Stereo Speakers Connector
Pin Signal Name Description
1 Front_L− Analog front left (differential negative)
2 Front_L+ Analog front left (differential positive)
3
Front_R+
Analog front right (differential positive)
4 Front_R− Analog front right (differential negative)
Table 27. DMIC Header
Pin Signal Name Description
1 +3.3 V 3.3 V power (for DMIC module)
2 DMIC_DATA DMIC data signal
3 GND Ground
4 DMIC_CLK Multiplexed DMIC clock signal
5 Key (no pin) Key (no pin)