[CentOS] Re: Live CD Planning systems

on 1/7/2008 1:46 AM John R Pierce spake the following:
> John Bowden wrote:
>> I have a external USB HD enclosure that takes its power from the one 
>> USB socket. Its only failed to do so on one oldish tower that a friend 
>> of mine has, on that machine it needed the second "power" connection. 
>> Got it from Ebay
> 
> 
> thts also out of spec, as USB is speced for 2.5 watts, 500mA at 5V, per 
> port.   Typlical laptop HD is like 5 watts, more when spinning up.
> 
> 
> yes, I know it usually works.  just saying...
Sometimes you can find small 4 to 6 gig closeout drives with lower power 
requirements. And you can look around for 1.8 inch drives and enclosures. That 
should run on a single port.


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