64bit upgrade

my system has intel 915GEV motherboard, and intel LGA775 processor

im thinking to upgrade to 64bit, what should i do?
change the motherboard and processor?
ammadeyyAsked:
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zephyr_hex (Megan)DeveloperCommented:
processor + MB
also consider that your applications will have to be 64bit
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ammadeyyAuthor Commented:
i have windowsxp 64 edition, does intel have processor and MB to support 64bit?
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zephyr_hex (Megan)DeveloperCommented:
yes
processors: http://www.pcstats.com/articleview.cfm?articleID=1736
from another article: According to Brian Marr, Microsoft's Senior Product Manager for Windows, "Windows XP Professional X64 Edition is compatible with all processors that have added 64-bit extensions to the industry-standard x86 instruction set, including AMD Athlon 64, AMD Opteron, Intel Xeon with EM64T, and Intel Pentium with EM64T." ( http://www.pcworld.com/news/article/0,aid,119739,00.asp )

and also : "You won't need a new motherboard for the new chips, but to get the most out of their 64-bit capabilities, you will need to upgrade your BIOS and, of course, run a 64-bit operating system" from here: http://pcworld.about.com/magazine/2305p020id120082.htm

you will only need to swap out the MB if you go to dual processors.
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zephyr_hex (Megan)DeveloperCommented:
oh... and make sure that all of your hardware has 64bit drivers available.
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CallandorCommented:
Well, if you're going to change motherboard and processor, you could go for an Athlon64 cpu and nForce3 or nForce4 motherboard.  If you want to stick with Intel, you need to get a cpu with EMT64 support.

Pentium 4 670 3.80GHz 800 2MB cache, EMT64, speedstep
Pentium 4 660 3.60GHz 800 2MB cache, EMT64, speedstep
Pentium 4 650 3.40GHz 800 2MB cache, EMT64, speedstep
Pentium 4 640 3.20GHz 800 2MB cache, EMT64, speedstep
Pentium 4 630 3.00GHz 800 2MB cache, EMT64, speedstep

I think the Pentium-D dual core cpus (8xx and 9xx series) are 64-bit also.  These require the Intel 945 or 955 chipset on the motherboard.
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