Jack Chang writes:
> Hi, I wonder why the LCD display (the logo) turns off  few minutes after
> kernel boots. Is there some power management causes that?
> Which file I should modify to keep in on all the time? Thx

Yes, the kernel screen blanks the LCD after a period of time.  iirc, setterm
is supposed to control it.  Try:

        setterm -blank 0 > /dev/tty1

and hope that it sends the correct control code sequence to the display.
(I'm not sure what the functionality of the busybox stuff is).

Alternatively, use:

        echo -e '\033[9;0]' > /dev/tty1

which should do the trick.  The '0' is the timeout period.
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