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Topic Title: AMD Athlon XP2800+Mobile FSB266 Socket A/462
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Created On: 10/06/2005 05:19 AM
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 10/06/2005 05:19 AM
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i have a question: i would like to upgrade my amd processor to -> AMD Athlon XP2800+Mobile FSB266 Socket A/462. now i have a amd 2200+

my mobo is: KT400Chipset AD77 Pro

can i replace the 2200 with the 2800 one?

 10/06/2005 12:02 PM
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You might want to check your mobo manual again and see if it supports the processor. If it does then well and good, if it doesn't...visit the website of your mobo manufacturer and look for BIOS updates for your particular mobo model.

Also, you might want to verify if that AXP 2800+ isn't the Barton core version (@ 333 FSB)

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 10/06/2005 01:18 PM
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Your motherboard doesn't officially support an XP-M but it should work. (Very few desktop motherboards have native support for laptop CPUs.) Don't worry about the Barton core; in fact be glad that it has the extra cache!

After a proper installation of the CPU and HSF, your main concern will be manually changing the multiplier. At the first POST the system will probably come up at 6 which times 133/266MHz will only give you about 800MHz. You'll have to increase the multiplier via your BIOS or a wire trick or Windows software. Hopefully your BIOS allows manual changes as that's the preferred solution.

If your RAM and the rest of your system allow you to increase the FSB definitely look in to that as well. 166 times a slightly lower multiplier usually is better than 133 times something higher because the RAM is running faster. (IE: 200x10 is faster than 166x12 while both are faster than 133x15 - even though they all give an overall speed of about 2GHz.)

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