Clock generator @ 132.7MHz instead of 133.3MHz

Nov 26, 2005
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Hello. I'm curious. Is it possible to change out a clock generator on a motherboard? I'm almost at the point of buying a new X58 board because it's driving me nuts.
 

VirtualLarry

No Lifer
Aug 25, 2001
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You've tested with an oscilloscope, with "spread spectrum" disabled?

You can't trust software readings as 100% accurate.
 
Nov 26, 2005
15,189
401
126
You've tested with an oscilloscope, with "spread spectrum" disabled?

You can't trust software readings as 100% accurate.


There are some on my motherboard that I do trust and do not trust. I have a multi meter and voltage reading points on my board that do match up with the software. While that is true I am still skeptic.

I have not tested with a oscilloscope? Do you have one?

Spread spectrum has always been disabled.
 
Feb 25, 2011
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I'd ignore it.

Back about 15 years ago, when there were multiple chipsets for a given CPU family, and motherboards from different manufacturers had a appreciable performance differences, it wouldn't be uncommon for a "workstation grade" motherboard from some manufacturers to be underclocked a MHz or two (for stability), while a "gaming" or performance oriented motherboard with the same chipset would be clocked at a couple MHz over stock to win benchmarks.
 

Wall Street

Senior member
Mar 28, 2012
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You are getting 99.5% of the performance, so I wouldn't worry about the last 0.5%. If it bugs you that much, you can change the BIOS setting to 134 and get 0.5% extra performance instead.
 

Ketchup

Elite Member
Sep 1, 2002
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I would just change it to 134 if it bugs you that much. It won't make any noticeable difference, which is more than the difference the downclock is causing now.
 

Ketchup

Elite Member
Sep 1, 2002
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AT did a test (at least once) showing what the actual FSB on various boards was. Spoiler: most of them were not right on the mark.