[ale] Determining USB transfer speed

James Sumners james.sumners at gmail.com
Sat Mar 19 16:02:42 EST 2005


Does your kernel have support for USB 2.0? Make sure the port you
plugged it in to is a high speed port. Also, see what dmesg says when
you plug in the device. You may also what to look at the output of
`lsusb -v`.


On Sat, 19 Mar 2005 16:30:47 -0500, John Wells <jb at sourceillustrated.com> wrote:
> Guys,
> 
> Just bought a USB 2.0 capable usb drive enclosure.  I've mounted it on Ubuntu
> and am successfully tranferring files, but it seems dog slow.  I suspect the
> drive is defaulting to  usb 1.1 instead of 2.0, and thus not getting the
> performance it should.  How can I verify this?  Any tools that will display
> this information?
> 
> Thanks!
> John

-- 
James Sumners
http://james.roomfullofmirrors.com/

"All governments suffer a recurring problem: Power attracts
pathological personalities. It is not that power corrupts but that it
is magnetic to the corruptible. Such people have a tendency to become
drunk on violence, a condition to which they are quickly addicted."

Missionaria Protectiva, Text QIV (decto)
CH:D 59



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