system bus frequency speed

Posted on 2003-03-07
Medium Priority
Last Modified: 2013-11-09
I have an athlon xp 2000+ in a motherboard gigabyte 7vaxp
does my processor support 166mhz of system bus frequency. Can I adjust safelly with my SW1 botton an d my processor wont burn?
Question by:diegomolineaux
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Expert Comment

ID: 8089490
Probably the PC will not boot at 166MHz. If you want to try higher FSB settings (overclock the processor), you must start to increase FSB from 133MHz with 3 or 5 MHz step and if the system become unstable, decrease the FSB with one step. (My 1500+ processor (133x10 eff) works without any problems at 150x10 (real 1500 MHz eff).A7s333 MB, 256 MB Samsyng DDR333, Chaintech GF3ti (video).

Expert Comment

ID: 8092926
That depends on several things: your CPU core voltage, CPU temprature and your motherboard. Very few CPUs can run at 166MHz without any problems. Even if it runs well at 150MHz, pay attention to the temprature. Athlon series will be burnt without a good fan. My opinion is: DON'T overclock your CPU, at least not in a year. It's a 2000+ afterall...

Expert Comment

ID: 8098667
Even if your mobo did I would suspect that your 2000+ processor itself does not.

Do you know the stepping on that processor?  In other words, is it a thoroughbred a or b or is it the palamino core?

If it isn't a thoroughbred b I think the point of a 166 mhz fsb is moot.
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Expert Comment

ID: 8098707
Just a quick followup.

How long ago did you purchase the processor?  Did you buy it retail or from a friend, etc.

Can you physically remove it and look at the processor?  If so, on the chip, on top is a square or a rectangle in the center of the chip on the top.  That is known as the core.

Is the core square?  If so, it is the palamino core and that does not support a 166 fsb.

If it is rectangular then it is a thoroughbred.  The only thing to determine then is if it is a thoroughbred b or a.

Only the thoroughbred b is rated as a 166 fsb.  The thoroughbred a is a 133 fsb.

If you read the lettering on the chip where it describes the chip it may have some lettering like "auigb" ('m only guessing on the exact lettering.  But, if you find it or something similar to it post here and tell us what it says.  We can then tell you if it is a thoroughbred a or b.

Expert Comment

ID: 10239245

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