USB cable length and shirt-pocket drives?

[James Knott]

Walter Dnes wrote:
>   Using an approx 2 metre long USB connector cable, my card reader works
> OK, but a 40 gig shirt-pocket drive flakes out, with error messages in
> my logs.  Replace the cable with a 2-foot cable, and the shirt-pocket
> drive works fine.  Is this an attenuation issue, or are there extra
> wires in the short cable.  There is a jack for a 5 volt dc supply.
> However, I'm running the drive strictly off the USB port for power.
> 

Have you tried a different 2M cable?  Yours may be defective.  Bear in
mind the card reader might be USB 1 and the hard drive USB 2.

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