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post #91 of 163
Never mind.
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post #92 of 163
OK, I am taking it slow.

I looked at another E6850/P5N32E-SLI combo here on Overclock.net to get some ideas how to get over my hump.

Ended up with raising Vcore, 1.2HT, and NB volts a bit to the following settings in BIOS:

Vcore: 1.35
Vdimm: 2.10
1.2VHT: 1.4
NB: 1.35
SB: 1.50
CPU VTT: 1.55

NTune 5.05.47.0 is the only tool that reads the same thing back to me that I set in BIOS. Everest Ultimate and ASUS Probe II as you can see from the attached pic, all read different values.

And curiously the "Voltage" reading in CPU-Z dropped from 1.312 to 1.225. Not sure what THAT means.

Anyways, I made it successfully to 3.51GHz tonight. Max core temps read in Speedfan with +15 offset applied were 63c while doing Orthos Small FFTs.

I am beginning to believe my PC2-6400 Corsair TWIN2X2048-6400C4 is holding me back. I tried booting at 3.6G for the heck of it a few times without adjusting any volts. Didn't work very well. So I'll try again another time.

A local store has "BL2KIT12864AA1065 -- Crucial Ballistix 2GB PC2-8500" for $165. I might pick up a set to see if I gain some headroom. Any comments on that memory in the P5N32E-SLI ?
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post #93 of 163
Thread Starter 
Rusty I take it from your testing that you are trying to see how high (Mhz) you can go with minimal voltage is that correct?
post #94 of 163
Quote:
Originally Posted by cognoscenti View Post
Rusty I take it from your testing that you are trying to see how high (Mhz) you can go with minimal voltage is that correct?
Exactly. I'm trying to keep the volts, and thus the heat, as low as I can. This is to try and find the optimum 24/7 OC for my rig.

I feel like I still have some headroom to work in and keep the max core temp under 70c. Right now it's peaking around 63c with Ortos small FFTs.

Hope I'm not clogging up your uber-overclockers thread with my pitiful steps.
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post #95 of 163
Thread Starter 
Quote:
Originally Posted by CpLRusty View Post
Exactly. I'm trying to keep the volts, and thus the heat, as low as I can. This is to try and find the optimum 24/7 OC for my rig.

I feel like I still have some headroom to work in and keep the max core temp under 70c. Right now it's peaking around 63c with Ortos small FFTs.

Hope I'm not clogging up your uber-overclockers thread with my pitiful steps.
Not at all, interesting testing.
post #96 of 163
I need some ideas 3.8ghz 23 idle 48c max load... 3.9 BSOD or pc reboots. I have tried everything but I am obviously not maxed yet with my OC. What would cause it to reboot or bsod? I have tried everything from loose ram timings to maxed out board voltages just to see. I can orthos for 5-10 mins and it only gets to 50c, all of a sudden the generic BSOD (a problem has been detected and windows shutdown to prevent blah blah) or it reboots. I just orthosed 3.8 for 7 hrs at 1.42v and its fine.
    
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post #97 of 163
3.8 GHz. stable @ 1.48 Volts. on Air.
    
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post #98 of 163
I get the same results running 3.9 GHz. with the BSOD or just shutting down.

I think 3.8 is about max that you will get these chips stable to on air.

If you find a solution let me know though!
    
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post #99 of 163
bleh I am on water, 48c max load with 21c idle. I guess it has to be the chip though? Maybe I should try 1.55v bios? I have never tried that high even though temps are well within reason.
    
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post #100 of 163
L719B014
ac7 cooler, antec 900 case.

bios voltage settings cpu 1.4875, fsb 1.3, spp 1.4, mcp 1.5, ht 1.4
evga 680i

Attachment 53792
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