The whole point though is for that to also be a charger, though I have to
say I'm not greatly impressed with their efficiency.

One thing I have also found is that for example, if I use it to power some
dongle on my TV, all sorts of crud gets into the supply and power wall
warts are better, but don't use the el cheapo ones as they generally buzz or
create excessive RFI or both.

As for controlling them on or off. The guy who built my machine said it was
a series of jumpers on the mother board, but I never asked him where they
actually were, sorry!

Brian

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"Dave Plowman (News)" wrote in message
...
On the PC desktop here (Gigabyte MB) the USB power is on at all times the
PC is plugged into the mains. The separate web cam has a couple of LED
indicators. I assume this is under BIOS control, but can't find a setting.
But then the BIOS uses all sort of acronyms I don't understand.

Any easy way of disabling this? So USB power only comes on when I boot the
PC?

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Dave Plowman London SW
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