On Tuesday 19 June 2007 15:35:16 you wrote:
> On Tue, 19 Jun 2007, David wrote:
> >
> > I have an Asus A8N-SLI motherboard that seems to be having trouble with
> > USB.   I was under the impression that it "used to work", but I have only
> > recently started using USB heavily so I do not know if this was my
> > imagination.
>
> These errors indicate that your computer is completely unable to
> communicate with the USB device.  It could be a problem with the device
> or a problem with the computer.
>
> Do you know that your devices work in a different computer?  Have you
> found any devices that work in your computer?  Can you get hold of a
> USB keyboard and see if it works with the BIOS during setup or
> pre-boot?

Apologies for the late reply, I wanted to get hold of a laptop to test with.

The strangest part is that it appears that some devices do not appear to work 
again once they have been plugged into this motherboard (even getting strange 
errors in Windows).  I have seen anecdotal evidence of similar with other 
Asus motherboards after searching via Google.

I have a USB card reader (external) that does work.  I have another one 
(internally) which doesn't, and isn't noticed using lsusb despite the fact it 
is permanently wired into a header.

A USB touchscreen appears to work and gets assigned an input device.  A 
Philips webcam that was brand new from the box had the addressing errors and 
now gives them also on another laptop.  The LED light it has did work but now 
doesn't.  My Logitech keyboard receiver works when plugged into the USB port.

Of the devices that do work, sometimes it takes a number of 
insertions/removals for it to work properly.  Of the ones that don't work 
(internal card reader, Philips camera) they never work, but I always receive 
addressing errors.

Whether or not this is something that can be fixed by a workaround I'm unsure.  
The internal card reader did work previously, it failing is what made me 
notice that things were awry.

David

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