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post #1221 of 3792
Quote:
Originally Posted by bigal1542 View Post

Thanks for the help. +rep to you both.
I have been keeping a spreadsheet with the OC attempts I have done today. I have omitted any redundant stuff, so if something doesn't work on the sheet, you can assume that the voltages below it don't work either. I have them in mine being that I picked a starting point and if I didn't get it stable, I increased until I got a boot and those are in the sheet. Spreadsheet (Click to show)
345
I have it color coded for ones that passed. The ones in black failed. Note that a TON of sets ran fine for the original 10-15 minute tests I was running but they ALL crashed at 25 minutes of Prime95.
For the max voltage, the lowest number is the minimum voltage I saw on load, the middle is the most common voltage I saw, and the highest is the absolute max. The voltage fluctuated a bunch at load, is this normal? I noticed that WHEA errors coincided with the times that the voltage would be at the low end of the load values. Is there any way to make it fluctuate less? Note that I started doing this later on in trials, the earlier ones just show max or the range.
For the times, if it was stable, I wrote the time it was stable for, and the time I ran each FFT.
I stopped at 45 for a multiplier because I didn't want to push too much voltage through this chip, as I would like it to last a few years. What is a safe voltage to have it on load for it to last that long?
Where would you guys go from where I am now? That last run actually just finished and ran 30 minutes without problems.
I know there are tons of questions in this post, but I would really really appreciate it if you could answer them all smile.gif
Thanks again,
Big Al


Ohhhhhhhhhhhhhhhhhhhhhh......................
Offset.....................................
offset is a challenge that shouldn't be started with till you know your constants voltages.
with Offset you are testing your highend AND your lowend voltages at the same time. Plus certain settings such as C3/C6 and cpu LLC will make your data even more confusing to look at.
set your bios to constant and use a "very high" or "ultra high" Load Line Calibration setting "LLC" and then map your voltages like you have been and see where it goes.
post #1222 of 3792
Quote:
Originally Posted by bebimbap View Post

Ohhhhhhhhhhhhhhhhhhhhhh......................
Offset.....................................
offset is a challenge that shouldn't be started with till you know your constants voltages.
with Offset you are testing your highend AND your lowend voltages at the same time. Plus certain settings such as C3/C6 and cpu LLC will make your data even more confusing to look at.
set your bios to constant and use a "very high" or "ultra high" Load Line Calibration setting "LLC" and then map your voltages like you have been and see where it goes.

If I set the voltage to a constant, will my CPU lower its clocks and voltage when idle?

Also, if it makes a difference, I have C3 and C6 disabled at the moment.

Thanks and +rep
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post #1223 of 3792
Quote:
Originally Posted by bebimbap View Post

I think what you are doing is a good way of testing if it is stable.
basically if your computer is acting odd, it isn't stable but there are many reasons why it could be.
If this is happening at stock volts and speed, you might have bad cpu, memory, mobo, psu, vid card, etc.... list is endless, you have to narrow it down.
If everything works at stock and randomness only occurs at higher clock speeds then you need more volts. But more volts don't necessarily mean you will get stable since you might have low overclocker and you really might be shooting above its ability.
1) Start slow, probably @ 3.9 run tests,
2) if 1) is stable move to up one multi
3) if you start running into randomness then up voltage a little till its stable.
4) start back at 2.
chart your results, specifically, what you did, the volts, temps, speed and how long you tested
you can then make a good decision where you want your cpu to sit for 24/7.
for example my chart looks like this
4.6ghz 1.165v "ultra high" LLC 70c whea error
4.6ghz 1.170v "ultra high" LLC 71c 18+ hour stable no whea
4.7ghz 1.230v "ultra high" LLC 77c whea errors
4.7ghz 1.235v "ultra high" LLC 78c
4.7ghz 1.240v "ultra high" LLC 79c LinX 4m x10 ***testing***
4.7ghz 1.245v "ultra high" LLC c
4.7ghz 1.250v "ultra high" LLC c 19+ hour stable no whea
4.8ghz 1.340v "ultra high" LLC 86c 18+ hour stable no whea
4.9ghz 1.400v "ultra high" LLC 97c whea errors
4.9ghz 1.410v "ultra high" LLC 99c 16+ hour stable no whea
so you could also set it at what ever max volt you can risk it at, and work your multi up till its no longer stable and put it down one multi then lower voltage till again no longer stable and add 2 notches.
is ultra high llc safe?
post #1224 of 3792
It won't lower your volts, but it will lower your clocks.

I tried offset and its a pain
Lets say you set 0.200+ offset, so at load you should get VID + 0.2v
VID should be around 1.18v so you are setting 1.38v. depending on your settings and load that isn't true.
EIST and C1E also play apart in voltage modulation. so your max VID might be constantly changing which would also confuse your numbers.
so with Offset, you have to change many settings such as C1E, EIST, C3, C6, and possibly cpu pll and maybe more....

but if you want to go farther I believe there is a guides on OCN for that. But i would try without offset first and map your voltages.
post #1225 of 3792
After a long struggle, I got the i5-3570k rig working. The misadventures began when my son opened all of the component boxes and mixed the little screws and parts together. I did not know what the motherboard standoffs were, and failed to install them. AARGH! It took almost two weeks before disaster struck. The mobo shorted out and damaged the memory, too. After I fixed the standoffs, my replacement Asrock Z77 Extreme4 acted vary flaky. One memory chip was completely bad, while the other would fail memtest86 after a while. Replaced the memory and problems over! Ran 22 hrs @4.5GHz with the dual fans on the Frio on low. Here is my submission for stable:

338

I seem to have a good chip based on voltage needed, but not so good temps with Prime 27.7 I think I put the Arctic Silver 5 paste on correctly. I have good airflow through the HAF 912 case, with the Frio fans and the 200 mm top case fan all blowing the air along consistently. Probably the Intel tim is below average. I am currently testing a 4.6 GHz overclock, but with the CPU fans on high. I won't be running 24/7 at 4.6 GHz or higher, so: maximum cooling. Once the testing is over, the fans go back to low noise. The extra cooling from the high fan setting is much less than the extra heating from +100 MHz.
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post #1226 of 3792
Quote:
Originally Posted by xNAPx View Post

is ultra high llc safe?

The highest setting is "extreme" which has higher voltage the more load you put on it. which is the setting most sites and overclockers tell you to avoid.
post #1227 of 3792
Nice work Bob (BobsCooling, two posts up). Now lets see ya fill in your system specs. How you liking the CM HAF 912? Luv mine smile.gif
post #1228 of 3792
Still learning how to post. I created a rig called Blue Dragon Lair, but I don't know how to attach it to a post. Any tips would be appreciated.
Edited by BobsCooling - 6/22/12 at 9:45am
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post #1229 of 3792
just click on the Rigbuilder link in the upper right of the screen and fill in.
post #1230 of 3792
Quote:
Originally Posted by bebimbap View Post

The highest setting is "extreme" which has higher voltage the more load you put on it. which is the setting most sites and overclockers tell you to avoid.
so u meaned llc level 2 on as rock, just the one i already have. anyway your one is a good cpu, i can't be stable @4,8ghz until 1.436v
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