Intel DH61AGL - Processor and System (4-Pin) Fan Headers; Internal Stereo Speakers Connector; DMIC Header

Intel Desktop Board DH61AGL Technical Product Specification
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Table 16. Processor and System
(4-Pin) Fan Headers
Pin Signal Name
1 Ground
(Note)
2 +12 V
3 FAN_TACH
4 FAN_CONTROL
Note: These fan headers use Pulse Width Modulation control for fan speed.
Table 17. 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 18. 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
DMIC clock signal
5 Key (no pin) Key (no pin)