533 cpu into 400 board?

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CaptainSossige
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PostPosted: Fri Dec 22, 2006 1:53 pm    Post subject: 533 cpu into 400 board? Reply with quote

I have a P4 Northwood 533 2.4ghz cpu that i want to put into a board that supports 400mhz FSB..

What will happen if I do this...? Will it work...
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PostPosted: Fri Dec 22, 2006 1:54 pm    Post subject: Reply with quote

MoBo is AOpen MX46U2-CN with sis650 chipset
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D.8080



Joined: 03 Apr 2006
Posts: 1474
Location: Italy

PostPosted: Fri Dec 22, 2006 6:47 pm    Post subject: Reply with quote

Yes, but the P4 frequency is given by FSB*cpu clock multiplier, which is locked in Intel cpus.

400 mhz fsb will make your cpu work at a slower frequency.

Because Intel uses quad-pumped bus the real Fsb is 100 mhz for 400 and 133 for 533, 2400/133=18x; 18x100=1800 mhz cpu with 400 mhz fsb.


Hope it solves your problem, goodnight.... yawn
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D.8080



Joined: 03 Apr 2006
Posts: 1474
Location: Italy

PostPosted: Fri Dec 22, 2006 6:53 pm    Post subject: Reply with quote

http://global.aopen.com.tw/Products/mb/mx46-533v.htm

Does your board look like this? In forums seems it's your same model, but the one you have is oem, baught and renamed.

Should be 533 mhz fsb ready... check in your bios.
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