Pin Definition

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