From owner-freebsd-questions@FreeBSD.ORG  Sun Dec 31 18:56:44 2006
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From: Oliver Iberien <odilist@sonic.net>
To: freebsd-questions@freebsd.org
Date: Sun, 31 Dec 2006 10:40:37 -0800
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Subject: What is involved in switching from i386 to AMD64?
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Hi,

What actually needs to be done when switching machine architectures? I am 
facing a motherboard/CPU upgrade following the demise of an Athlon+ setup. (I 
am running my FreeBSD drive in a P3 while trying to figure this out.)

Replacing it with an oldish P4 would be easiest but they are rapidly becoming 
extinct. After much Googling I can't quite figure out what happens if I were 
to put the FreeBSD i386 HD into a 64-bit system. Nothing? Disaster? Do I 
totally have the wrong end of the stick? I'd be grateful for any advice.

Thanks,

Oliver