Overlaping IO resource for AMD K8

[Eric W. Biederman]

Li-Ta Lo <ollie at lanl.gov> writes:

> On Tue, 2005-01-11 at 12:39, YhLu wrote:
> > >As the Nvidia card it does
> > >not have PCI IO resource so we got the 20000 to 1ffff thing.
> > 
> > It mean it doesn't allocate resource to it. Limit<start
> > 
> 
> But why it set the resource to the HW registers? Doesn't it cause
> some ill side effect?

Setting limit < start is as close as you have to a disable.
Nothing falls in that range so nothing is decoded.

Eric