BPI-M3 DC Power interface

BPI-M3 power with microUSB power (option)
BPI-M3 power with DC port (default)
Dc power size:
Note: please must use 5V/2A power adapter for BPI-M3.
for banana pi BPI-M3 power , all power is spport from AXP PMU.
we also support get power direct from DC power:
How to change:
1,FB7 add 0 ohm resistor.
2,FB4 magnetic bead remove. so power is direct from DC power
Note : if you have do this change , if you use 3.7 battery to power , USB port will not work.