[Wolves] OT : need to find power supply for external hard drive.

Wayne Morris waynelists at machx.co.uk
Sat May 15 20:39:48 UTC 2010

  On 15/05/2010 19:41, Kris Douglas wrote:
> On 15 May 2010 18:45, stuart bell<sailing1 at gmail.com>  wrote:
>> On 15 May 2010 09:13, Wayne Morris<waynelists at machx.co.uk>  wrote:
>>>   On 15/05/2010 06:17, Peter Cannon wrote:
>>>> I take it the unit draws power from the USB cable seeing as you say it
>>>> works on his, I'm wondering why you want a power cable if it works via
>>>> USB? Using an external power source will not make the 'noise' go away.
>>>> That's a bit like saying "The wheel on my car makes a right row but goes
>>>> away if I turn the volume on my car stereo up".
>>> You missed the point that it works *perfectly* plugged into one system,
>>> but not into another where it clicks, ditto into
>>> the usb port of some other gadget.
>>> USB only supplies a small amount of power, USB1 less than USB 2, often
>>> not enough to spin up a drive, hence the need
>>> for an external psu.
>> Wayne,
>> If you suspect that your problem is power from the USB port, you could
>> try the drive in a powered hub?
>> Cheers
> If the machine causing the problem is of an older generation, it may
> be because it is USB1 and there is not enough power being provisioned
> for the for the drive, that's why most older drives were sold with
> those usb cables with 2 male connectors on the end, power on one port,
> data on the other.
Careful, or some touchy bugger who does this for a living will tell you 
to stfu, whatever that means ;-)
I did put that point, but he didn't like it.

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