USB cable length and shirt-pocket drives?

[Lennart Sorensen]

On Fri, Feb 03, 2006 at 12:14:12AM -0500, 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.

Make sure the cable is good enough quality for the version of usb your
device is using.  12Mbit is a lot less difficult to support than
480Mbit.

Len Sorensen
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