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Re: My Epson scanner now works - without USB 2



On Monday 27 Mar 2006 18:03, alan wrote:
> On Sun, 26 Mar 2006, David Fletcher wrote:
> > This sort of problem seems to have been around for a while now. I've
> > found a way to get mine to work with FC5, by disabling USB 2 support on
> > the motherboard using a BIOS setting. So long as the scanner is connected
> > to a motherboard USB connector and switched on BEFORE logging in. I've
> > written up my findings and opened a fresh bugzilla report:-
> >
> > https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=186766
> >
> > It would be really useful I think if anybody who has an Epson scanner
> > could take a look at this bug, and see if the same is true for their
> > equipment.
> >
> > Many thanks to anybody who can try this out.
>
> What model of scanner?
Like I said in the bug report, it's a Perfection 2450 Photo and the 
motherboard is an Intel D865PERL.

>
> I have an Epson scanner, but have never seen that problem.  I do know that
> my Epson scanner will not work through a USB hub.  It has to be directly
> plagged in.  (And that is not just Linux.  Windows has the same problem.
> It says so in the instalation instructions.)
I'll ask around and see if I can borrow any other scanners to try out on this 
machine. Somebody I phoned this morning made the valid point that it might 
not be Linux that's causing this problem - it could just as easily be this 
particular scanner that's not talking USB 2 correctly.

The thing I want to ask, Alan, sorry if it seems like a stupid question, but 
are you sure that your motherboard has USB 2.0 interfaces, and that they are 
configured as USB 2.0 not 1.1 in the BIOS. My BIOS lets me switch off USB 2.0 
but it is on by default.

Thanks for any feedback/help you can provide.

Dave Fletcher

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