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25.
DMIC connector (4-pin DMIC)
The DMIC connector is for connecting the digital microphone module
used in All-in-One chassis.
26.
Custom header (14-pin CUSTOM)
The custom header is for connecting customized modules for
additional features.
Motherboard Pin Definition
DMIC
PIN 1
CUSTOM
PIN 1
Prog_LED
Ground
SMB_SLK
+3.3 VSB
SMB_Data
PWRBT#
HDMI CEC
+5 VSB
No Connection
USB+
USB-
SCI/SMI GPIO
WDTO#/GPIO
1-15
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