On Friday 22 October 2004 15:08, Paolo Alexis Falcone wrote:
> On Fri, 22 Oct 2004 13:06:38 +0300, Alexandros Papadopoulos
>
> <[EMAIL PROTECTED]> wrote:
> > I have an external HDD case, that is USB 2.0 certified. When I boot
> > my machine with KNOPPIX and have the USB case plugged, I get fast
> > transfer rates to my external disk (10MB/sec or so).
> >
> > When I boot my regual installation of Debian (sarge), with both
> > kernels 2.4.25 and 2.6.8 (installed via apt-get), the same modules
> > are loaded (uhci-hcd and friends), but the system can only exchange
> > data with the external drive VERY slowly (less than 500kb/sec).
> >
> > usbview shows me at that time that the external USB device
> > (correctly) advertises speeds of up to 480Mbps, but actual file
> > transfers are extremely slow.
>
> USB 2.0 should use the EHCI driver. Try preloading the module and see
> what happens.

I added the module ehci-hcd in /etc/modules and rebooted, but there was 
no improvement. My USB 2.0 device still works at 1.x speeds :-(

-A


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