The hope is that there is a simple way to reduce the power consumption significantly, by turning off the circuits that drive the display. I think equant's motivation is to use a Plus as a 24/7 server, without having to worry about screen burn and global warming.

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Yes, global warming

I just wanted to try it. It seemed like a useful mod for people. I'd consider using my plus as a 24/7 client if I could get the mod to work.

I fixed the flyback diode, and behavior hasn't changed.

Tom, let me know if you have any new ideas, I'm happy to keep whacking away at this. Perhaps several switches, turning things off in stages?

FYI, when I turn off the video, and it starts accessing the disk, power usage drops from 31W to around 12W. Pretty good if we could get it to work.