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The ULTIMATE Sandy Bridge OC Guide + P67A-UD7 Performance Review - Page 27

post #261 of 713
Quote:
Originally Posted by Sin0822 View Post
Here i want yout o look at something, the UD5 and UD7 only have levels, the UD4 has enable or disable, look at this, someone did this, notice that easytune reads teh wrong voltage, cpu-z reads the same if its a B2 board, but this is for the UD4 B3:
After seeing this I just pulled out the multimeter to check it, my ud4 b3 behaves very similar, set to 1.4 in bios showing 1.392 on hwinfo32, 1.368 on load. Dmm says 1.422 idle, 1.416 load
This is with LLC enabled.
    
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post #262 of 713
Quote:
Originally Posted by FtW 420 View Post
After seeing this I just pulled out the multimeter to check it, my ud4 b3 behaves very similar, set to 1.4 in bios showing 1.392 on hwinfo32, 1.368 on load. Dmm says 1.422 idle, 1.416 load
This is with LLC enabled.
Just curious. What is your multiplier with 1.4 volts? Do you have power settings enabled, or pll overvoltage? Pretty sure I will be happy with 42x but i need 1.305 for it to be stable. I'm guessin my chip aint the best in the batch
post #263 of 713
I had it on the 50 multi. Everything on auto except LLC enabled, set the vcore, memory speed & timings.
    
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post #264 of 713
Quote:
Originally Posted by FtW 420 View Post
I had it on the 50 multi. Everything on auto except LLC enabled, set the vcore, memory speed & timings.
hhmm... alright I think im going to turn on LLC. Just came back to a bluescreen (p95 was good for 2.5 hours at least, but def not 6 hrs). Must also be why I have to crank it so high for 42x.

So you manually set your memory speed & timings. I am always scared to do that. i do have the ripjaws x 1.5v 1600 ram, so I'm guessing ill get more out of it if i manually set my speed & timings. Now...time to figure out what speed and timings i should set it too
post #265 of 713
Thread Starter 
just get your CPU OCed first then worry about the RAM, GB boards do a great job automatically setting your RAM timings.
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post #266 of 713
I was wondering if I could maybe get a little personalized advice on this thread, I've went through all your instructions and have had some issues:

I'm using a Gigabyte UD4 board with an i7 2600k CPU.

I'm simply trying to clock the CPU to 4.5 Ghz. For this I had run through all your steps, and I'll run Prime95 and after about two hours I'll get a BSOD, using Microsoft debugger this is what I get:

CLOCK_WATCHDOG_TIMEOUT (101)
An expected clock interrupt was not received on a secondary processor in an
MP system within the allocated interval. This indicates that the specified
processor is hung and not processing interrupts.
Arguments:
Arg1: 0000000000000019, Clock interrupt time out interval in nominal clock ticks.
Arg2: 0000000000000000, 0.
Arg3: fffff880009b2180, The PRCB address of the hung processor.
Arg4: 0000000000000004, 0.

I'm assuming based on my small amount of research that this is probably due to the Vcore setting. I had it at 1.36, it set it to this value after I went ahead and clocked the processor to 4.0 ghz to try to get the vcore to match your parameters.

Should I go ahead and go back in go back to 4.5 with a vcore of 1.37, and if so, should I adjust any of the other voltage settings along with that? I didn't know if perhaps the automatic voltage throttle was affecting anything or not.

I haven't had any temperate issues either, I'm running around 35C at idle and during the two hours of Prime95 before my BSOD I'd get to around 58-62 on this Noctua cooler, so I'm pretty happy in that regard.

One other thing I was wondering about, for my DRAM voltage it was defaulting to 1.5. I'm using Patriot Viper Extreme ram which says it uses a voltage of the typical 1.65. Gigabyte on this board at least only adjusts ram voltages by .02 so I had the option of adjusting the voltage to 1.64 and 1.66. I went ahead and went higher at 1.66, would this have anything to do with it or perhaps should I try 1.64?

Edit: I have tried voltages at 1.37 and 1.375 and continue to get BSODs at 4.5 ghz after running Prime95. I did notice I had my BCLK at 1005 instead of the default 1000. I am setting voltages back to 1.34 with 1000 BCLK and will just try for 4.2 Ghz. Still not getting why it isn't able to handle 4.5, unless I just need to go above 1.375 Vcore, but based on the thread that seems like it should be enough.
Edited by Pox - 4/2/11 at 11:09am
post #267 of 713
So, I went ahead and upped the Vcore to 1.4 and the VTT from (I believe) .98 which was the default to 1.10. I also decreased the BLCK from 1005 to 1000 and have been testing for over two hours now with no issues. So far this is much better than I have got before.

Do these values sound okay to you?
post #268 of 713
Thread Starter 
yea, if you could lower vcore that would be nice, but any can't so its fine.
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post #269 of 713
Thanks for the great review and guide SIN its helped me get a grip on the Intel LGA 1155 chipset +1
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post #270 of 713
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thanks man I am glad you enjoyed it!
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