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On Wednesday 16 March 2005 20:05, Matthew Seaman wrote:
> You can generally run AMD64 machines in IA32 mode -- but what would be
> the point? All you get then is a machine that costs more than an
> equivalent IA32 box and that probably performs worse.

The core market for the AMD64 is 32-bit Windows XP desktop machines, and they 
are good value in that role. 

When I recently upgraded my PC, I noticed that a lot of retailers no-longer 
even have 32-bit AMD CPUs, except for low-speed Semperons.