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205FSB on P4B but 166FSB on P4C?

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markodude

Member
Joined
Jul 15, 2002
Location
Europe
I have this weird mobile chip a 3.06 533 D1 step.
P4-3000ES-CPUZ1.jpg

This is it at 200FSB on my P4B-533E with 1.25v, and it would go further if not for the RAM, yet if I put it in my P4C I cant get it much past 166FSB no matter what voltage?
Weird - I am gonna attempt again but I see no reason I should have any problems under 250FSB on the P4C as I run my 2.4C in the same board at 266FSB all day with RAM at 5:4.......(vdimm mod)
Any ideas why this would be the case? I was hoping to get this chip to 300FSB but it looks like a complete nono on the P4C - I may try my 2.2 mobile in it and see if that has the same problem....
Anyway just thought I would report and see if anyone had any ideas, ill get back with more info soon.
 
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