Hard drive not mounting

[antonio montagnani]

Il 19/07/2012 22:13, Reindl Harald ha scritto:
>
>
> Am 19.07.2012 22:08, schrieb Richard Vickery:
>> On Thu, Jul 19, 2012 at 7:39 AM, Mikkel L. Ellertson <mellertson at gmail.com <mailto:mellertson at gmail.com>> wrote:
>>
>>
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>>      On 07/08/2012 11:27 AM, antonio montagnani wrote:
>>      >>
>>      > same usb stick is mounted properly if conencted to the other USB
>>      > ports of same computer (but not on the hub)
>>      >
>>      Dumb question - does the hub have its own power supply, or is it
>>      powered by the USB connection?
>>
>>      Mikkel
>>
>>
>> Devices connect to the USB hub get their power from the USB port
>
> and if the hub does not supply enough power it won't work
> many usb-hubs have only enough power for devices like keyboard and mouse
>
> there are even usb disks out there which needs TWO usb-connections
> one for data and one for power
>
>
>
>

devices gets their power from an external supply.
See for full explanation:
  https://bugzilla.redhat.com/show_bug.cgi?id=838536


-- 
Antonio Montagnani

Linux Fedora 17 Beefy Miracles
Acer 5670
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