Re: How many times must Apple make such DRASTIC architecture changes?

["Michael J. Mahon" <mjmahon@aol.com>]

Laine Houghton wrote:
> "Michael J. Mahon" <mjmahon@aol.com> wrote in message 
> 96adnRRX4M_G8zXfRVn-rQ@comcast.com">news:96adnRRX4M_G8zXfRVn-rQ@comcast.com...
>
> > Roy Smith wrote:
> >
> > > Paul Schlyter <pausch@NOSPAMsaaf.se> wrote:
> > >
> > >
> > > > But whenever that "4 GByte limit" becomes too limiting, it is possible to 
> > > > start using different segments again. [...] don't expect this to happen 
> > > > until more than 4 GBytes of RAM gets common.
> > >
> > >
> > > If Moore's law holds, that only a couple of years away.  Today we're at 
> > > the point where most desktops or laptops ship with at least 256 Meg, and 
> > > it's not uncommon to find a Gig in a high-end personal machine.
> >
> > And we can expect that time to be accompanied by processors that
> > can directly address 64-bit address spaces, with some fraction of
> > the additional address lines implemented.
> >
> > -michael
>
>
> Aren't OS's being written and tested on the IA-64 and AMD 64 at this moment?

They are fully operational on the IA-64, and the release for AMD 64 is
very close, if it hasn't already occurred.

-michael

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