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Asus Rampage II Gene Overclocking Thread - Page 7

post #61 of 65
i have read that aswell. So i acted up on it and it works. I am running it at 1.3v at 21 multi with a baseclock of 191 bringing the clockspeed a big over 4020. I have run 30 runs max memory LINX and 12 hours of prime and it hasn't crashed. I'll leave prime95 running for a bit but i don't see any problems ahead. with 1.30v my temps in prime 95 stay at max 68c and in LINX it got 72c peak.
    
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Intel Core I7 920 2,66 GHz @ 4.0 GHz /w 1.30 Vcore Asus Rampage II GENE Asus EAH4870/HTDI/1GD5 Corsair XMS3 DHX DDR3 2x 2GB 1600Mhz 
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Western Digital Caviar Black 1000GB 7200RPM 32MB C Windows 7 Professional 64-bit LG Flatron W2753VC 27'' And Neovo 19'' Logitech G19 
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post #62 of 65
That's excellent news! Your load temperatures are very good actually. Maybe the odd multiplier does work as I'm running with 21 x 200 to achieve 4.2 GHz. I would run Prime95 for 24 hours, if you don't get any calculation errors in the log file, I would consider your system stable.
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post #63 of 65
So i ran prime95 for close to 24 hours did a few more linx problem solves and no crashes no errors and i am considering this rock solid stable. 4.0 GHz w/1.30000 Vcore. Max temps were 73c in LINX and 69c in prime95. Not bad considering my other case Thermaltake Soprano VX VD6000BNS with stock i7 920 cooler couldn't handle prime 95 on stock settings for half hour or the temps were above the 85c. I am guessing the 4.2 GHz will be a mythe for my chip. I might try it later this weak just to see if i can pop it but i am guessing i will need more then the 1.35vcore for that. But my goal was reached 4.0 GHz. I just read an article that I7 920 oc to same clockspeed as an i5 2500k and i7 2600 only has a minimal difference and sometimes i7 920 1366 mobo still rocked the sandy bridge one So i am no rush of getting a new Mobo or a proc.

The only thing that i am planning to buy next is a new videocard. But haven't got in to that market at all yet. did read some stuff on the MSI twin froze III oc which looked decent but i still have time. I am planning on getting a new card either when this one dies or when BF3 comes out.

But the 4.0 ghz was made
    
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Intel Core I7 920 2,66 GHz @ 4.0 GHz /w 1.30 Vcore Asus Rampage II GENE Asus EAH4870/HTDI/1GD5 Corsair XMS3 DHX DDR3 2x 2GB 1600Mhz 
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Hard DriveOSMonitorKeyboard
Western Digital Caviar Black 1000GB 7200RPM 32MB C Windows 7 Professional 64-bit LG Flatron W2753VC 27'' And Neovo 19'' Logitech G19 
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post #64 of 65
guys its my 1st time to use a ROG board and i am happy except that my QPI/VTT seems a bit high..but seems negligible since it is drooping from the value set on bios..is this normal??
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post #65 of 65
This is a hyper necro, but i'm a bit desperate.


I've been having a lot problems with BIOS's beyond 1405.

On 1405, I could get an absolute rock solid 4.0Ghz/4.2Ghz without any stability issues (But with what I consider very high voltages, which with even with a megahalems results in high temps at load. With the crappy Cooler Master R4 fans in my set up and the stock 200mm fans completely on their last leg basically, it's what it took on my 950 and this board to get stable)


I was planning on upgrading to Ivybridge/sandybridge and was going to repurpose this into a new PC for my brother. So before I did that, I wanted to try to get to 4Ghz on the lowest volts possible.

On BIOS 1405 It was basically impossible. No matter what I did I couldn't get it stable.

So I thought i'd try upgrading the BIOS again (Had once prior a few years back, didn't go well so I rolled back). Up to 1701 and using all my settings and volts from my stable 4.0Ghz on 1405 it would not post no matter what.

Turns out the voltages to get stable I was using on 1405 were obscene compared to what I found were considered normal in this thread
http://www.overclock.net/t/538439/guide-to-overclocking-the-core-i7-920-or-930-to-4-0ghz


Using the volts recommended in that thread I could get 4Ghz (Bclk 199 x20 = 3980. ;was so I could get QPI under 72000. Anything over 72k caused stability issues previously) to post and get into windows. But I cannot get it stable at all. It will BSOD P95, and I can't stress the FPU with AIDA64 because the temps get a lot higher than P95 and it throttles the CPU to compensate.


I'm at wit's end right now.


I am migrating this rig to a new case (Fractal R2 XL) along with a Noctua NH-D14 and 4 Corsair SP140's.


I'm hoping that this will help me in my quest to get back to 4Ghz stable, because now I just cannot seem to do it at all.

I can get 3.2Ghz Stable at 1.1 Volts VCore with 1600Mhz 9-9-9-24-1N RAM @ 1.25 QPI/DRAM Core no problem.

But i'm afraid to try anymore.


Any help?


EDIT:

After pushing the multiplier to 21x, bclck to 192 and Vcore/QPI to 1.39 each P95 at 4Ghz has been running for quite a bit and hasn't crashed yet. I am crossing my fingers.

Heck I can even browse the internet without an issue with CPU usage at 100% while Prime is running so far.
Edited by MrBonk - 11/15/13 at 5:15pm
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