Re: Going beyond 256 PCI buses

David S. Miller
2001-06-14T19:04:09Z

Jonathan Lundell writes:
> As I recall, even a midline chipset such as the ServerWorks LE
> supports the use of two north bridges, which implies two PCI bus
> domains.

It hides this fact by making config space accesses respond in such a
way that it appears that it is all behind one PCI controller. The
BIOS even avoids allowing any of the MEM and I/O resources from
overlapping.

Later,
David S. Miller
davem@redhat.com