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Old 01-08-2008, 08:39 PM   #1
Registered: Aug 2007
Distribution: whatever I'm told!
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Can I run Fedora 8 64bit on a P4 Prescott?

Much like the title says.
This is the processor in question:
Not really a big deal, I have the x86 for FC8 around as well, but I would like to have it running 64 bit on it so that I can virtualize a 64 bit OS like server 2008.

Thanks for your help
Old 01-08-2008, 08:44 PM   #2
Registered: May 2006
Location: Lebanon, PA
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From what I gathered on the wikipedia article you linked only some of them were X86_64. So in other words it looks as if it would be a hit or miss situation although I would say if you are buying a newer version of it specifically a LGA775 socket one then I would say you might strike gold. Otherwise I am unsure but good luck.
Old 01-08-2008, 08:46 PM   #3
Registered: Sep 2005
Location: Baltimore, MD, USA
Distribution: Fedora, Gentoo, Debian, Slackware, IRIX, OS X
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You should be able to run it.

The only problem is that the Prescott isn't true 64bit. It can handle 64bit but it cuts performace in two. What it does is uses two 32bit cycles for each instruction. That's why Intel didn't advertise that it supported EM64T, because 64bit emulation sucks.
Old 01-08-2008, 08:58 PM   #4
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True, and since virtual machines will give you another performance hit (anything from (very) mild to severe, depending on how things are set up), you should ask yourself whether it is really worthwhile installing a 64 bit OS.
Old 01-08-2008, 09:16 PM   #5
Registered: Aug 2007
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Yeah, it's a pseudo dual core/64 bit compy, I guess. It is a LGA 775 socket though.

I got the processor, Asus mobo, 1gb of ram and a modest PCIe video card from a buddy for $100 cuz he knew I was a student. I may just stick with the x86 version then.

Last edited by diggs; 01-08-2008 at 09:18 PM.
Old 01-09-2008, 08:35 AM   #6
Registered: Feb 2007
Location: Colorado
Distribution: FC6, FC7 x86_64
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I tried FC7 x86_64 on my P4 Prescott system and the performance was nothing like the x86 version.



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