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Overclocking messing up sound

SheepNutz

Weaksauce
Joined
Jul 26, 2005
Messages
101
I just upgraded to a pentium 4 2.6C, MSI 865PE Neo2-FISR mobo, and a gig of dual channel Corsair ValueSelect memory. I started overclocking it, and it was good until I hit 216MHz, then I noticed a popping sound whenever audio is played. Back it down to 215, and all is good. I'm using the onboard sound with C-Media sound drivers. Any ideas? I know it can go a bit further than 215MHz, as it's running very cool, about 10 degrees C cooler than my old P4 1.6GHz Willamette in the same case with the same cooler.
 
It is possible that your PCI bus isn't locked. Thus, it is going out of spec.

It could also be that one of the IC's or the southbridge is overheating.
 
my first p4 mobo was the MSI 865PE Neo2-FISR, promptly returned it after discovering it didnt have proper memory dividers
 
DarkenReaper57 said:
It is possible that your PCI bus isn't locked. Thus, it is going out of spec.

You hit the nail on the head. I checked the bios, and the AGP/PCI speed had gone from 66.66/33.33 to 73.xx/37.xx! I set the speeds back to normal, and all was well. I was able to overclock to 229MHz FBS, but the magic 230MHzFBS (3.0GHz) just wouldn't work. Oh well, it's fast enough for me. Thanks a lot for your help.
 
try setting it up to whatever divider you can, i think the neo2 let you keep 200 fsb ram and then do w/e cpu speed you wanted, maybe you can get even more speed out of it :)
 
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