Andy Burns  wrote:
> Mike wrote:
>
> > Andy Burns wrote:
> >
> >> Tim Streater wrote:
> >>
> >>> The Pi carried on being powered.
> >>
> >> Unless a 4B is different to any other rPi, they never turn off, they
> >> just halt.
> >
> > But, from the original post, which you snipped :-
> >
> >> A bit later I shut it down, **and then turned off the Pi power supply.**
> >> The Pi carried on being powered.
> >
> > Are you saying the Pi 4B is a stealth free-energy device? ;)
>
> The Pi is the HDMI source, and the monitor is the HDMI sink, per the
> spec the 5V power should be supplied from the Pi to the monitor, not the
> reverse ...
>
I've heard it said that the HDMI spec is a real can of worms.

This thread is just another thing that increases my dislike of HDMI.

It's a real pity that there isn't really a modern video/display cable
that isn't beset by the software and 'anti pirating' stuff that's in
HDMI.

--
Chris Green
·

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