You cannot change your fsb. You need to upgrade to a cpu with a fsb speed that your board can support. Once you install the new cpu your bios will set the fsb to the higher setting of your new cpu if your board supports it. If you have your board specs it will tell you something like supports fsb 1066/800. That would mean you could upgrade to a supported 1066 fsb cpu. Hope this helps & please remember to rate my answer. Thanks.
If you have a 533 mhz fsb then the 2.8 would be the way to go. I had to go this route with my wife's olf dell as it had an older motherboard. The reason you can see the 800mhz cpu at all is because chipset is same but it will never give you full performance because of the fsb issue. I hope this helps you out.
Flashing the bios would do nothing to change your fsb speed but it would provide support for compatible cpu's that came out after the board was manufactured.
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hanks wat it is my fsb is 533 i had a 2.0 cpu 400 mhz i tried to put
a 3.0 800 mhz fsb and it works it just gives me a speed of 1.5mhz i
guess ill have to get a 2.8 533 mhz p4 socket 478 by the way please
confirm thanks a million
would flashing my bios possibly help thanks
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