RPI3B+ disable HDMI

Sat Oct 31 23:01:20 UTC 2020

There’s an undocumented flag you can add to config.txt, hdmi_blanking=2, which I believe boots the pi without starting the video pipeline.

On Sat, Oct 31, 2020 at 19:59, Stefan Parvu <sparvu at kronometrix.org> wrote:

> Hi,
>
> We have started now testing our product using FreeBSD 12.2 on RPI3 and 3B+.
>
> I have a question how one can start to disable things from the board which are not needed, to save as much as possible power. For example starting with HDMI port. I am trying to do some basic tests running our data recorders with FreeBSD 12.2 only on batteries. (4 x 18650 Li-ion 3500 mAh). Would it boot from batteries. Has anyone tried before this?
>
> Thanks,
> Stefan
> _______________________________________________
> freebsd-arm at freebsd.org mailing list
> https://lists.freebsd.org/mailman/listinfo/freebsd-arm
> To unsubscribe, send any mail to "freebsd-arm-unsubscribe at freebsd.org"