That was pretty straight forwardm ny $4 Harbor freight meter has noce pointy probes.
So with everything plugged in as in the wroking state
All the red wires I measured were 0.01V power button on or off,
all the single orange wires were 0.03V power button on/off
There is a single socket with both orange and brown wires in it, this read 0,01 power button on/off.
The grey wire was 0V power button on/off
The purple wire was 3.38 V but dropped to 3.37 when the power button was pressed.
The green wire, the first time I measures it at 2.23V power on or off, when I measured it again after looking at the others it was 3.21 then dropped to 3.19 when the power button was pressed
about an hour later, with the system left plugged in while I was on a call it is reading 3.24 power on/off, this small difference could well be variation in my chepa meter though I guess.
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