Re: Powered USB ports?

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That doesn't quite contradict what I wrote. USB2 has plenty of bandwidth,
especially compared with USB 1.0/1.1. However your example is also anecdotal
so you have to be careful about interpreting it. For instance I'm running 3
USB 1.1 devices on an unpowered USB2 hub with no problems. There may be some
peculiarity in your particular hardware/setup that causes your Intuos to
need the direct connection. Looking at 2 different Intuos manuals and both
say they can be plugged into a powered USB hub.


"Fruit2O" <rmo555@xxxxxxx> wrote in message
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"RalfG" <itsnotme@xxxxxxxxxxxxxxxx> wrote in message
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This applies more to USB1.1 ports, but although a powered hub may supply
enough power for your USB devices it doesn't increase the bandwidth of
the single port it is plugged into. Pointing devices and keyboards may
work fine but the available bandwidth might not be enough to support
multiple high-bandwidth devices, like Webcams, external harddrives, USB
WiFi adapters, scanners.

I have found this to be more or less opposite (using USB 2.0). For
instance, my Intuos MUST be plugged directly into the back of my PC.

"Fruit2O" <rmo555@xxxxxxx> wrote in message
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Why is it that some USB peripherals will only work if plugged directly
into the PC (as opposed to being plugged into a powered USB hub)? I've
had this happen before were something didn't work - and Tech Support
asked if the device was plugged directly into the back of the PC. If it
wasn't, and I then plugged it directly in, it worked.







.

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