Q6600 / Asus P5K voltage issues - help!

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Ste

Ste

Ste

Soldato
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18 Oct 2002
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Hi there,

I have problems with my Q6600 and some strange voltage issues. ATM it's running at 3.2ghz (and has been for the last year or so).

If I set 1.465v in the BIOS I get 1.40v idle (CPUZ) and 1.304v under full load. I know that this is vdroop, but it seems excessive?

So what gives? Load line calibration on the vanilla P5K doesn't do anything, apparently (certainly doesn't in my case). Is it safe to have it at 1.4v idle - seems really high for 3.2ghz? Any other settings I should be looking at in the BIOS? NB, SB, etc. I've not touched.

Currently 3.2ghz is the max I can get out of it but I'd like to see 3.6 @ 400fsb. It's a G0 SLACR so it's supposed to be a good one, isn't it? Temps are around 60'c under full load, but that's ok, right?

Help! Any ideas?

Cheers :)
 
I use a P5K Pro and had to set mine to 1.4V for 3.0ghz :(. Glad Im not the only one struggling with it.
 
1.4v is fine as long as your load temps aren't excessive (over 75c prime load) you can 'safely' go to around 1.55v if you can stay under the 75c load temp
 
I might try that then, would the PSU have much affect on this voltage issue? I've got a fairly poor PSU (its the 500w one that comes with the Antec Sonata) and it's under a lot of load (Q6600, 4870, HDDs etc.), but it's always been 100% stable.

Are there any other BIOS settings that should be changed (voltages for NB/SB/etc. as they're all at stock currently). I'm at 400x8 and my ideal would probably be 400x9, but doubt I'll get near that.
 
Also, if I set it to (e.g.) 1.6v in the BIOS, but CPUZ never shows more than 1.5v in windows is that okay?
 
Just tried 1.6v in the BIOS, it's 1.52 idle and droops to 1.4 which isn't enough for 3.6 - but looking at the database, it probably wouldn't be.

Ho hum. Don't think it's going to be achievable with this board... any ideas?
 
Just noticed something else - once coretemp hits 69'c it throttles back to 6x multiplier from 9x (2.3ghz) - is that some setting that's over agressive in the BIOS, given that some of the guys on that database are running at 74'c?
 
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