Hi Guys,
On Friday 15 April 2005 1:10 pm, you wrote:
> At 08:55 PM 4/14/2005, Diane Poremsky typed:
> >Or is it because his laptop is usb 1.1?
>
> Yes.
>
> >(He offered to trade it for one of my ugly cases with two plugs
> > but I was worried about not pulling enough power when I really
> > need it and that it would cause data corruption if it didn't have
> > enough power during a disk write.)
>
> You may have a valid concern.
>
>
> ----------+----------
> Wayne D. Johnson
> Ashland, OH, USA 44805
> <http://www.wavijo.com>
Apart from speed issues, The standard USB port is designed to supply
a maximum current of 0.5 Amps @ 5 Volts. This is equivalent to a 10
Ohm load dissipating 2.5 Watts. Many mainboard (Laptops included)
cannot supply this amount of power.
I wonder how many service technicians bother to do the checks, or even
know how ?
--
Best Regards:
Derrick.
Pontefract Linux Users Group.
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