[Gllug] IA32? IA64? x86...

Andrew Halliwell ah at gnd.com
Thu Oct 3 16:25:27 UTC 2002


> Hi guys
> 
> I'm getting a bit fuddled here...
> 
> Can one of the hardware gurus explain what's what? Which processors are IA32 
> (i{3|4|5}86?), which IA64? Where does i686 fit in the scheme? How is the 
> Itanium related (if at all?)

IA32=386/486/pentium/pentiumII/pentiumIII/pentiumIV
IA64=Itanium. (Incompatible with IA32)
Another one out soonish though will be x86-64 (Hammer from AMD) which WILL
have backward compatibility with IA32, but will lose some or all of its
64bitness while being compatible...


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