> where actually changed to get a 36 bit adessing limit instead of 32.
> I'm still wondering if I was dreaming, but having machine which are sold
> with 8Gig of Shared memory (unless they don't follow Intel SMP specsj
> and use proprietary mechanisms) tend to prove that Intel actually
> manufactures such beasts. If yes there is probably some initialization
> magic to switch to this extended adressing mode ... Wasn't Intel supposed
The extension is basically a warped variant of segment registers. You still
get all the horrors of address range > cpu handles nicely.
The documentation is in the Intel Xeon spec update stuff on intel.com
