On Thu, 11 Mar 2004, Andrew Zabolotny wrote:

> On Thu, 11 Mar 2004 10:33:17 -0500 (EST)
> Alan Stern <[EMAIL PROTECTED]> wrote:
> 
> > On Thu, 11 Mar 2004, Malcolm Blaney wrote:
> > > Without this change, the system hangs while detecting the new device.
> > > With the change though, the usb on the board is very slow, I've been 
> > > timing it at about 560Kb/s. I need ~6Mb/s -which you would expect from a 
> > > full speed device?
> > Setting uhci->fsbr to 1 has the effect of turning off full-speed bandwidth
> > reclamation, which will drastically reduce the USB throughput as you saw.
> Huh? Please excuse me if I'm wrong, but I would never expect more than 1
> megabyte per second from a full-speed device. 560k/s is a very good result (if
> k is for kilobyte) since I'm getting just around 300k/s while sending files to
> my WinCE-based PDA (which is also fullspeed, with 64 byte packets).

You misunderstood the message.  Malcolm wrote "560Kb/s" = 560 kilobits per
second, not kilobytes.

Alan Stern




-------------------------------------------------------
This SF.Net email is sponsored by: IBM Linux Tutorials
Free Linux tutorial presented by Daniel Robbins, President and CEO of
GenToo technologies. Learn everything from fundamentals to system
administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click
_______________________________________________
[EMAIL PROTECTED]
To unsubscribe, use the last form field at:
https://lists.sourceforge.net/lists/listinfo/linux-usb-devel

Reply via email to