USB, Toshiba

[Dave Germiquet]

There are different type of USB Hard drives, some require a power supply,
some require 1 usb, some require 2 usb connections.

I know I have a western digital, i think its specially made to use little
power and 1 usb, though its also small (320 gb).



On Wed, Jan 19, 2011 at 2:41 PM, Duncan MacGregor <dbmacg-HLeSyJ3qPdM at public.gmane.org> wrote:

> Then you have been lucky. USB devices that are starved for power do not
> tell
> you so. They just fail to work properly.
>
>
>
> On Wednesday 19 January 2011 11:29:04 you wrote:
> > Duncan MacGregor wrote:
> > > Computer-built-in power supplies are often too weak to handle USB
> > > devices.
> >
> > The computer power supply isn't the problem. The power available from a
> USB
> > port varies based on a number of factors. You can read more about the
> power
> > available from USB ports at http://en.wikipedia.org/wiki/Usb#Powered_USB
> .
> > You can have anywhere from 100mA to 900mA from a USB port. I was quite
> > amazed when I discovered the very small, external, 500GB hard drive that
> my
> > dad had asked me to get for him is fully powered from the USB port only.
> It
> > doesn't need any external power.
> > --
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> --
> Duncan MacGregor  -- Toronto --
> --
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>



-- 



Dave Germiquet
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