On Wed, Jul 22, 2009 at 07:26:49PM +0400, Pavel Vasilyev wrote: > In the kernel configuration, if I choose x86_64 and PCI, then choose the item > "Garth IOMMU support", which, in turn, chooses not to switch off, support for > AGP. But many IOMMU system does not have AGP bus.
The lack of AGP slots doesn't mean a lack of AGP bus. It's part of the K8 on-CPU northbridge.