On Friday 24 June 2005 09:59, Feizhou wrote: > >There are a few comments on how the Athlon differs from Intel because of > >the Alpha EV6, but not the more technical detail I was referring to. > > http://marc.theaimsgroup.com/?l=linux-kernel&m=107759901509280&w=2 > > The Linux option in bios is mentioned here. > > >Again, to get this "mode" you have to: > >a) Tell the BIOS to enable a "Linux" memory mode > >b) Have a Linux kernel (Linux/x86-64 I believe?) that supports it > > > >Yes, that's a modification of the Linux/x86-64 kernel running on a "32- > >bit" Athlon, because it offers the extended, linear memory addressing > >and other memory management. > > http://marc.theaimsgroup.com/?l=linux-kernel&m=107757492125437&w=2 > > I think what Bryan here is talking about is called IOMMU by the kernel > guys. _______________________________________________ Thanks - but both links again talk about a 32bit/4GB schema and don't talk at all about addressing >4GB without the need for paging - that was the statement Bryan made when posting. Peter.