Support for more than 4GB on x86 platform

[Klaasjan Brand]

On 8/16/05, Rick Wagner <wagnerric at condor.cxo.cpqcorp.net> wrote:

> Thanks Klaasjan.  This was very helpful.
> 
> It mentions the PCI bus limitation, but I'm wondering about PCI-X and PCI-E,
> which I think go beyond 32 bit addresses.  I'll keep digging, and see if
> there are more up to date articles; this one was based on 2.4, with mention
> of 2.6.
> 

Most (all?) new systems based on PCI-E/X sold now are able to run in
64-bits mode, which totally obsoletes highmem and other hacks.
Are you looking for an answer to a specific question regarding
configurations with lots of memory?

Klaasjan