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1.275 QPI to 1.31250 QPI and still getting 124 error?

post #1 of 10
Thread Starter 
Hello Everyone,

As per recommended in my previous thread I have been increasing my QPI everytime I get a bccode 124. As I do that I get bccode 101 asking for more vcore and increase that too.

Is it okay that I have been increasing my QPI this much and still can't get stable? I was wondering if anyone else had this problem.

Here are my PC Specs:

Case: Raidmax Smilodon Extreme Black
Monitor: ASUS VG236H (w/ nvidia 3D vision glasses)
CPU: Intel Core i7 920 (@ 3.70GHz & C0/C1 stepping)
GPU: 2x Nvidia Geforce GTX 480 SLI
RAM: 3x2GB OCZ DDR3 1408MHz @ 8 cas
HDD: 1TB Western Digital Caviar Black Sata 7200RPM HD
MOBO: Asus P6T
PSU: Corsair 850W TX
Sound: Creative Soundblaster X-FI Xtreme Gamer
Optical: Sony DVD/CD RW

My Overclock settings:

Ram: 7-7-7-20 @ 1.66V and 1408MHz and 1N setting.

CPU: 1.350V and 185 bclk x auto (20) multiplier

C1E support, Intel TM, Speedstep, A10M, C-State all disabled

Everything else is on Auto

===

CPU Voltage Scaling: *As reported by BIOS*

3.50GHz & 3.60GHz = 1.264V
2.66GHz (stock) & 3.62Ghz = 1.296V
3.64Ghz = 1.288V
3.66GHz = 1.288V
3.68GHz = 1.320V
3.70GHz = 1.320V
3.72GHz = 1.344V
3.74GHz = 1.368V
3.76GHz = 1.392V
3.78GHz = 1.416V
3.80GHz = 1.416V

My load temp is 74C.
    
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post #2 of 10
Not all chips are the same. The C0 seem to like more voltage than the D0, so 124 can be either QPI and or VCore, so you need to test both. If your getting 101 as well, it most likely is your VCore, but raise them as needed and run some tests. Happy OC'ing.
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post #3 of 10
Scroll down and try using Xmisery's settings as a base and fine tune your OC from there. http://www.overclock.net/intel-mothe...-e-thread.html
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post #4 of 10
124 BSOD was my VID i was reluctant to keep increasing it but I have bad OC'er. its now stable at 1.355v at 4.5GHz
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post #5 of 10
You should use a 21x multiplier. It'll allow you to lower your BCLK and ease up some of the strain on the IMC.
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Leviathan
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post #6 of 10
Thread Starter 
Quote:
Originally Posted by mymlan View Post
You should use a 21x multiplier. It'll allow you to lower your BCLK and ease up some of the strain on the IMC.
Is there any other way to ease the strain on the memory controller? I don't want to change the multiplier if I don't have to. Will loosening the ram timings from cas 7 to cas 8 or 9, and lowering the mhz the ram runs at help with the amount of QPI / DRAM voltage needed?

Also 1.2V - 1.31250V is not stable so far. I am about to increase QPI from 1.31250 because 1.2V is the lowest QPI can be set at.
    
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post #7 of 10
Why would you not want to raise your multiplier? If you're set on 20x for some strange reason, you could try lowering the RAM frequency and lowering the timings in kind. Latency doesn't strain the IMC nearly as much as bandwidth does. You can safely increase your QPI voltage to 1.4v (or even 1.45v) without any worries.
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post #8 of 10
Thread Starter 
When I tried using a 21 multiplier in Mafia II which is the main game I play it showed a 3.62MHz overclock (this was 21x 181) back when I was at 3.8GHz. I'd rather use 20 because atleast It is consistent.

So I am running my ram at 1480MHz which is an overclock of 147 from the stock 1333MHz my ram was designed to run at.

The next step under is 1100MHz. If it took 1.4QPI / DRAM to run at 1333MHz (according to my XMP profile which was stable) how much would I need to run at 1100MHz or my current 1480 MHz? I am looking for a ballpark range I would suppose.
    
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post #9 of 10
Thread Starter 
This entire time my RAM has been my weakness. I have never ever been able to get past 35 minutes in a blend test.

As of right now @ 1.35000 CPU Voltage and 1.32500 QPI / DRAM Core Volt I am 1 hour and 23 minutes in!!! This isn't 24 hours by any stretch of imagination but its a big victory for me!! I will keep everyone posted with my progress.
    
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post #10 of 10
Thread Starter 
Ok so I have been able to pass 20 passes of LinX (all ram) just fine. I have gotten atleast 5.5 hours of prime on blend but still am not stable. I still get code 124. Increasing QPI buys me more time before I blue screen but I wonder how much is too much? I took my QPI down all the way to the minimum of 1.2V and have been increasing .625 all the way to 1.35625 which is the same voltage my vcore is.

What I am wondering is, how much more voltage could the QPI possibly need? And are the voltages I am at "safe". I hit a max of 80C while running prime. I have a scythe mugen II with a push pull config.
    
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