dukla2000 wrote:I am not that keen on powering a Pi from a PC USB port (but obviously can and has been done)
According to the specs, a regular PC USB port should only be able to supply 500mA, whereas the RPi needs 700mA. So in theory
it shouldn't work.
But of course we all know that specs are flexible / not always followed correctly
So it might
work, but it's not guaranteed
to work. It's something I've not tried myself though.
EDIT: Strictly speaking, a PC USB port should only supply 100mA to a 'passive device' such as the RPi. Devices with an active USB data connection can then negotiate up to a maximum of 500mA