J4: at/atx power setting j4 power type open, Atx (default) close, At j9: lvds panel power – IBASE IP402 User Manual
Page 11: J9 lvds panel power, 3v (default), 5v j10: lvds backlight power setting, J10 power, 5v j15: spi setting, J15 boot, Main board (default)
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