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changing CPU's core voltage

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Name: rsilva
Date: April 30, 2004 at 13:03:43 Pacific
OS: XP Home 2002 SP1
CPU/Ram: Intel P4 2.4 GHz / 896 RA
Comment:

I don't know if I'm just missing something or what, but I have a serious problem. My CPU's VCoreA is fluctutating between 1.44 and 1.47 (the minimum it's suppose to be is 1.46). As it does this, I get a process in the interrupts time placeholder (monitored by TaskInfo2003) that burns 40-100 % of my CPU- during which time my entire system "lags" HARD (taking 10 second to move the mouse 3 inches). I have no idea what correlation (if any) these have. I go into BIOS and there is no option to manually change my CPU voltage. the only thing it will let me do is adjust the CPU/AGP/PCI clock all at once, but this doesn't adjust the voltage controls. So....... (1) Do those 2 symptoms have a correlation? (2) Do I just have an old school BIOS that doesn't allow me to change Voltage settings? (3) Is there anything I can do to troubleshoot these problems more?

Thanks for any help. I'm about to go nuts.

*MB is VIA/DFI PE10-SA/RAMA



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Response Number 1
Name: Sabertooth
Date: April 30, 2004 at 20:10:17 Pacific
Reply:

0. Your CPU flunctuation should not be hogging your CPU, if something is hogging it that bad (40-100%) then you need to figure out if you got some malicious software running in the background. Download, update and run Spybot S&D, Spywareblaster, and Ad-aware to remove these scumware.

1. NOT! all motherboards have BIOSes that support Vcore changes, even some newer boards don't.

2. If you run those programs and you still have problems scan your PC for virii and also run Hijackthis too..(Don't post your HJT logs here pls, post them on the security and virus forum)

____________________________
The greatest risk is not taking one


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Response Number 2
Name: johnoh
Date: May 1, 2004 at 06:15:30 Pacific
Reply:

Your vcore fluctuation is normal and no action is needed there. It is not the cause, it is an effect. When the cpu ramps up in usage it draws more power and your mobo can't quite keep the vcore constant is all. And .03v is nothing to worry about.

Some code in your system is doing this - windoze, driver, program, virus, spyware, etc.


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Response Number 3
Name: rsilva
Date: May 1, 2004 at 13:44:59 Pacific
Reply:

Thanks. I ran all those programs and still no change. My HJT log is posted in the security forum.

Johnoh- you say it could be a bad driver, I understand? should i remove all my devices and reboot?


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Response Number 4
Name: zubin
Date: May 23, 2004 at 21:51:43 Pacific
Reply:

Does it happen in 'safe Mode'?
If not, then it's probably a 3rd party driver, or some corrupt software, or maybe even a software setting that you're not aware of, like catalogging, anti-virus, or ghosting software. Is/are your Hard drive/s almost full? Are they badly fragmented? How about your RAM? Do you have enough of it? Maybe too much paging is going on do to insufficient RAM? Do you have AT LEAST 256Meg Ram? 128 Doesn't cut it anymore.



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