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You need a 2.0 USB port I believe. I have an iPhone and it will not charge if plugged into a 1.1 USB port, but is fine if plugged into a 2.0 USB port.
Sounds strange, but hey it is apple.....
Well, USB 2.0 hasbeen around for more than eight years... I'd be surprised to find a machine with USB 1.x on the market these days. My cheapo Toshiba laptop from about three or four years ago has 2.0.
A lot of peripherals still ship with USB 1.1 pass through ports. Most USB ports directly on the machine should be USB 2.0 but in a lot of cases extension ones (i.e. the ones on the front of the case and not the plug direct into the motherboard ones) are USB 1.1.
I suspect there are lots of USB 1.1 ports still knocking about because once you have attached one peripheral some of the power available on that port is used up so that when you attach another device in series the remaining power that is left over is not enough to use the high USB 2.0 transfer rate and instead defaults to the slower USB 1.1 speeds. If you are not going to be able to get USB 2.0 speeds off the bus anyway, why spend a fraction more putting a USB 2.0 port in there?
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