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2.1.8. Power Button
The mainboard is equipped with a power button. The Power button can support four functions. The table
below will explain how the functions work.
Figure 17: Power button diagram
Power Button Behavior
Suspend/Resume System
Popup power control menu
Power On
Reset mode
Table 8: Power button behavior description
Note:
1. Suspend mode may be interrupted by the Android's original behavior.
2.1.9. DC-in Jack
The mainboard comes with a DC power input jack on the back I/O panel adjacent to the HDMI. The
power connector carriers +12V DC external power input. The specifications and pinout of power
connector are shown below.
Figure 18: DC-in jack specification diagram
Physical Specification
Outer Diameter
Inner Diameter
Barrel Depth
Electrical Specification
Input Voltage
Table 9: DC-in jack specification
Figure 19: DC-in jack diagram
Pin
1
2
Table 10: DC-in jack pinouts
Quickly press the power button once to suspend. While in suspending
mode quickly press once to resume
Occurs when the power button is pressed for longer than 3 seconds.
When the system is forced to power off, press the power button to
power back on.
Occurs when the power button is pressed for longer than 6 seconds.
O 6.0mm
6.0mm
2.5mm
8.2mm
+12V
2
Signal
12VIN
GND
VAB-630 User Manual
O 2.5mm
1
12
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