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To: Win Smith who wrote (135441)5/18/2001 2:33:54 PM
From: Tenchusatsu  Respond to of 186894
 
Win, <To get an OS to run on it?>

Itanium requires specific OS support from the beginning. You can't just install any shrink-wrapped OS meant for Pentium on an Itanium workstation or server.

Now before you go all 'Droid again, AMD's x86-64 extensions will also require specific OS support. Hammer will be able to run on the shrink-wrapped OS's as Pentium, but then it only runs in one mode, and that mode doesn't support x86-64.

<But you're right, backward compatibility is a really silly idea.>

Itanium is backward-compatible. You can still run your x86 apps on an Itanium machine, although if you do, those apps better be non-performance-critical.

Tenchusatsu