Same thing happens if you are on a windows laptop.
Chantel.
--- On Sun, 3/15/09, Jacob Schmude <j.schm...@gmail.com> wrote:
> From: Jacob Schmude <j.schm...@gmail.com>
> Subject: Re: charging PDA's
> To: macvisionaries@googlegroups.com
> Date: Sunday, March 15, 2009, 3:26 PM
> Hi Scott
> Very true, this is why all of my stationary USB hubs are
> always self-
> powered by their own AC adapter. There's only so much
> power a USB port
> can provide.
> One very nice feature of OS X is that it will let you know
> when this
> occurs. When a USB device cannot draw the required amount
> of power,
> you'll get a nice little dialog to that effect.
> You'll also get one if
> for some reason the device draws too much power or if the
> USB port
> surges.
>
>
> On Mar 15, 2009, at 15:16, Scott Bresnahan wrote:
>
> >
> > Hi,
> >
> > There is a tidbit of Mac and USB info to share here
> though. Low
> > voltage in a USB series can cause devices not to
> charge or function
> > properly. What I mean by a series is a chain of
> connected USB
> > devices that run off a single USB powered bus. So for
> example, if
> > you have a power hungry device plugged into the
> keyboard, along with
> > a mouse, depending on the voltage requirements of the
> USB device, you
> > may not have enough to charge it or allow it to
> operate properly.
> > Note that some USB drive enclosures have double
> USBBplugs. This is
> > solely to draw extra power from the USB bus in order
> to power the
> > hard drive.
> >
> > In general, My suggestion is to run such things off of
> a powered USB
> > hub and avoid daisy chaining USB devices other than
> keyboard and
> > mouse whenever possible..
> >
> > And this applies to any system.
> >
> > Best,
> > Scott
> >
> >
> >
> >> hi does one need i wonder, to be using a iwndows
> >> system to charge a
> >> windows mobile PDA device?
> >
> > --
> > --Scott
> >
> > >
>
> The major difference between a thing that might go
> wrong and a
> thing that cannot possibly go wrong is that when a thing
> that cannot
> possibly go wrong goes wrong it usually turns out to be
> impossible to
> get at or repair.
> --Douglas Adams
>
>
>
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