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[Official] The Sandy Stable Club **Guides, Voltages, Temps & BIOS Templates** Inc SPREADSHEET - Page 23

post #221 of 10702
Quote:
Originally Posted by compudaze;12896136 
I've had it fail at the 20-22H mark before. Fun stuff.

I've never tested it that long before. Sometimes I almost feel like Windows/programs/updates can be at fault in certain situations. I've never had a system crash if it passes 6 hours of Prime95, but I generally like 8+ for a 24/7 overclock.
Quote:
Rules

1. 8hours+ but would prefer to see 12 HOURS+ of Blend run.

2. MUST have a screenie WHILE UNDER LOAD with your name, CPU-Z 1.57 and realtemp 3.67 ONLY!!

Used Thermalright Ultra 120 for cooling (Scythe S-flex F). That was a hot day too. It seems its snowing here one day, and feels like summer the next.

Damn the first core on this chip. It is 7C lower than any other core, yet if it was on par with the other 3 it would be golden t.t. I'm thinking it isn't getting the same amount of voltage as the other 3 or something.
Edited by cory1234 - 3/27/11 at 8:50pm
post #222 of 10702
Thread Starter 
Quote:
Originally Posted by cory1234 View Post
Damn the first core on this chip. It is 7C lower than any other core, yet if it was on par with the other 3 it would be golden
Definetly THIS^
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post #223 of 10702
Thread Starter 
Bump, still waiting on stable sb chips to add to spreadsheet.

This thread will become 'The Stable Sandy Club' just waiting on a banner I dont think there is a club for stability of sandybridge.
Edited by munaim1 - 3/29/11 at 9:42am
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post #224 of 10702
Quote:
Originally Posted by munaim1 View Post
Bump, still waiting on stable sb chips to add to spreadsheet.

This thread will become 'The Stable Sandy Club' just waiting on a banner I dont think there is a club for stability of sandybridge.
No one is posting because no one wants to admit their "stable" low volt overclock isn't rock solid .
post #225 of 10702
Thread Starter 
Quote:
Originally Posted by cory1234 View Post
No one is posting because no one wants to admit their "stable" low volt overclock isn't rock solid .
sad really, instead all they want to talk about is max volts for these chips.
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post #226 of 10702
Quote:
Originally Posted by munaim1 View Post
sad really, instead all they want to talk about is max volts for these chips.
The chips have a maximum voltage?

j/k

gotta send them down to the ln2 section, where max volts is the most a motherboard will allow you to feed the chip. Really confuse them...
    
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post #227 of 10702
I am just doing a little update i have made it down from 1.4v to 1.355 and still going lower tonight, this is for my 4500. Once i fail my first 5 hour test i will test the lowest stable voltage for 12 hours and post back.
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post #228 of 10702
Quote:
Originally Posted by cory1234 View Post
No one is posting because no one wants to admit their "stable" low volt overclock isn't rock solid .
NOT true.
I just don't want to degrade my expensive chip.
Money isn't cheap, you know.
I degraded the first one from repeated prime testing.
And I don't want to do it again unless someone wants to buy me another chip.

Instead I'll wait to see if your guys' cpu's degrade or not over repeated abuse, and at what settings (LLC, LLC2, etc), and then i'll feel more confident.

I've spent WAY too much money on trying to run prime for 8 hours, on previous cpu's and then having cpu's that used to pass it all night, start failing within the first hour.
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post #229 of 10702
Thread Starter 
Quote:
Originally Posted by Falkentyne View Post
NOT true.
I just don't want to degrade my expensive chip.
Money isn't cheap, you know.
I degraded the first one from repeated prime testing.
And I don't want to do it again unless someone wants to buy me another chip.

Instead I'll wait to see if your guys' cpu's degrade or not over repeated abuse, and at what settings (LLC, LLC2, etc), and then i'll feel more confident.

I've spent WAY too much money on trying to run prime for 8 hours, on previous cpu's and then having cpu's that used to pass it all night, start failing within the first hour.
First of all PLEASE fill in your rig, secondly, I have not mentioned at all in this thread that i want people to post 5ghz or 10ghz overclocks. If you have a mild overclock (4ghz+) then I would really like to see it prime stable with your temps and vcore. A lot of people have been using the term 24/7 by doing only an hour or so on blend. Also there are a lot that have to say alot when it comes to how much voltage we put through this chip and what temps are safe, sometimes incorrect info is giving and sometimes it can get confusing.

The purpose of this thread is mentioned in op and numerous times in the thread. I am NOT saying join the 'lets see who can degrade their chip faster club' all im saying is, before you call your rig stable post a prime blend and share your experience and info to help others. Referencing this info in a spreadsheet can help others and that is all I intend.

Apologies if i seemed a little harsh, its just i'v had to explain this on more than one occassion. Im sure you understand by now that this is ocn and everyone is still learning, this is my way of understanding the sb users of ocn and their experiences
Edited by munaim1 - 3/29/11 at 11:53pm
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post #230 of 10702
But that's the problem.
At least for me, what happens if I run prime for 12 hours, post a screenshot of realtemp and prime showing the process uptime, and then I find that after that test is done, suddenly I start BSOD'ing for no reason in a game, then I run prime again and crash or get a rounding error within the first 2 hours?

I'm going to be a very unhappy, and very angry camper.

I wasted a lot of money buying three pentium 4 northwoods, and listening to people say that "under 1.75v is safe", and having them all seriously degrade in a matter of days/weeks and having to resell them at a HUGE loss. That cost me over $300 dollars having to sell the CPU's at a loss. (Yes I know I could have used ebay, but at the time I didn't know enough about it and I didn't have a credit or debit card either).

It was only a few years later, after I was flamed horrendously on a forum for my "terrible overclocking abilitY", that GNDS was proven to be very, very real, and MANY others had the same experience I had--rapidly degrading overclocks when the CPU vcore was pushed beyond 1.575v.

And those CPU's just degraded just by running in windows or playing games and getting BSOD)...(prime itself literally never crashed).

After having an X6800 degrade about 100 mhz off its max clocks, and a QX9650 slowly need more vcore (about 0.05v), from repeated stress testing, since I couldn't stop testing since I'm OCD, I *stopped* running 50 loop LinX on the QX9650, and just started playing games instead of stress testing. And you know what the result was? The chip stopped degrading. Remained stable at 4 ghz 1.40v (with a vdroop mod as that board had no LLC), until I sold it.

My first i7-2600k also degraded about 0.05v, and this happened fast, even though I spent no more than 2 total hours priming it, and most of the time, I was at 4 ghz for my 24/7 clocks. When I first got the CPU, I was able to play COD Black Ops for 5 hours straight, at 5 ghz, and BIOS vcore set to auto (1.39v). I started priming and would get BSOD/reboots, so I kept inching up the vcore until I could pass the first loop of small FFT. Then I realized that Blend was a better test, but I found my I had to keep raising bios vcore over time, all the way to 1.435v (which gave 1.484v under load). At this point, the temps were too high for priming small FFT (would go over 90C), and I could pass Blend for one loop before the second loop (each loop is 15 minutes of iterations) made the temps too high.

At this point, I went back to the old vcore settings, and ran black ops (1.395v bios) and it BSOD within a few minutes. Went up to 1.415v and it BSOD after a couple of maps.

I went back down to 4.5 ghz, with a load voltage of 1.25v, which when the chip was new, used to not BSOD in Prime, and sure enough, it would BSOD extremely fast now. I had to raise the vcore to 1.285v load and the it ran as long as I wanted with low temps.

I then angrily ordered a new 2600k go to with the B2 UD5 I was getting advanced RMA'd for a B3. Got an almost golden CPU in return that is priming at my short runs at 4.5 ghz 1.236v load, the same vcore that I found to be stable when I first got the CPU three weeks ago, and 5 ghz 1.404v load, HT on.
Maybe it's the fact that I have a better cpu, or maybe its the fact that the B3 version of the UD5 doesn't horribly overshoot voltages on LLC1 anymore, but this chip seems to not have degraded very much, if at all. Just did a 45 minute run at 4.5 ghz 1.236v. I know you want 12 hours, but I'm not going to do that with my money.

I plan on giving the old CPU to a friend because I can't be bothered listing it on ebay.

Do you understand now how I feel?
I'm not AFRAID to prime it for 12 hours because it "might not be stable." I'm afraid to prime it for 12 hours because I don't want the chip to wind up degrading and then LOSING the max overclock I have on it! If I want to lose my max overclock over time, I want to lose it slowly, doing what I buy my computers for--online gaming. Not online stress testing. If I knew 100% that my CPU would pass 12 hours of prime blend at 1.41v load, and NOT degrade one iota of an electron, I would be MORE than happy to give you that screenshot.

Sorry if you don't agree with me, and I mean no disrespect at all. But would you be this enthuiastic about stress testing your cpu's when you've had so many cpu's degrade in the past (some from false information ,and others from repeated priming)?

Try to understand where I'm coming from here. Listening to others in the past during the "early" days, cost me a lot of very hard to earn money (P4 GNDS).
Edited by Falkentyne - 3/30/11 at 2:29am
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