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post #5941 of 19540
Is 1.30 uncore volts safe for 24/7 usage?
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post #5942 of 19540
Quote:
Originally Posted by lawson67 View Post

I did try from 1.8v - 2.0v on Vrin and on Vcache/ring from 1.0v to 1.2v on both 4.4ghz and 4.5ghz....BTW my 4.3ghz stable voltages are

core x43 multi
Cache x40
Vrin 8.20v
Vcore 1.225v
Vcache 1.125V

Oh and i don't want to run over 1.3v on Vcore i want a 24/7 overclock that i feel happy with

It sounds like you're just not taking the voltages to the levels they need to be at in order to accommodate the speeds you're trying to run. It sounds like you're going for higher speeds, with close to stock voltages. Which from the sound of it, your CPU doesn't seem to be capable of. So you know, I'm not trying to be rude or anything like that, I'm trying to help you achieve your goal of a higher clock speed.

For example, my 4670k requires about 1.42vcore to be 24/7 stable at 4.6ghz. Though that also includes the increases that were required because of my RAM overclock (2400mhz), as well as my cache multi being at 44x (1.32v on the cache). My vrin is sitting at 1.95 right now.
post #5943 of 19540
Thread Starter 
Quote:
Originally Posted by lawson67 View Post

Hey guys my chip batch number is L312B581 is there anywhere i can see if this is a good batch or a bad batch?....in fact i know its a sub standard chip as it wont boot over 4.5ghz without me having to pull the battery on the bios so i know its a sub standard chip....however i wanna see that written down some where so i can stare at it and make myself feel really upset about it lol....oh and its "Malay" if that means anything?

Read the guide. Chart is in there.

 

Quote:
Originally Posted by tatmMRKIV View Post

batch l328b917 any good? Costa rica.
They have them at the local frys

Read the guide. Chart is in there.

 

Quote:
Originally Posted by OutlawII View Post

Is 1.30 uncore volts safe for 24/7 usage?

I think so but I stay under 1.3 right now. Whatever chance a voltage above 1.27v has to harming a CPU, even if it's very small, I find to be a needless risk because that extra 100 mhz unvore really doesn't do anything. But in terms of actual safety, I think 1.3 or under is fine.
 

Like, I pushed my Vcore to 1.42v but only because that voltage lets me get another 100mhz core which has a performance difference that is actually measurable.

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post #5944 of 19540
Quote:
Originally Posted by blaze2210 View Post

It sounds like you're just not taking the voltages to the levels they need to be at in order to accommodate the speeds you're trying to run. It sounds like you're going for higher speeds, with close to stock voltages. Which from the sound of it, your CPU doesn't seem to be capable of. So you know, I'm not trying to be rude or anything like that, I'm trying to help you achieve your goal of a higher clock speed.

For example, my 4670k requires about 1.42vcore to be 24/7 stable at 4.6ghz. Though that also includes the increases that were required because of my RAM overclock (2400mhz), as well as my cache multi being at 44x (1.32v on the cache). My vrin is sitting at 1.95 right now.

Hi blaze2210 i am very happy for you that you are running your 4.6ghz overclock @ over 1.40 volts....however the design limit of that chip i think you will find is is 1.3 volts....and out of all the people that are listed in the overclocking results here

https://docs.google.com/spreadsheet/ccc?key=0AjXDCk5eCp1gdEdENjlDYWl6ZnV4OVlNc0lMU1V3c1E&usp=sharing#gid=0

Only 4 are running over 1.4 volts with 2 of them needing this amout of voltage to power there chips up to 5.0ghz and the other one needing over 1.4 volts to run his chip at 4.9ghz.....all of them as far as i am aware have custom water loops and being de-lidded....i dont think its a good idea to be saying to someone without knowing there cooling information that runing over 1.4 Volts on Vcore is a ok...also i don't mean to be rude but if i needed over 1.4 volts to hit 4.6ghz i would not bother as to me it would not be worth it as i would most defiantly need a custom water loop and would need to take the risk of de-lidding....most people that are running 4.6ghz are achieving this at an average voltage of 1.25 volts.....if i could achieve that also i would consider my chip as good and run that overclock
Edited by lawson67 - 11/26/13 at 5:54pm
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post #5945 of 19540
Thread Starter 
Quote:
Originally Posted by lawson67 View Post


Hi blaze2210 i am very happy that for you that you are running your 4.6ghz overclock @ over 1.40 volts....however the design limit of that chip i think you will find is is 1.3 volts....and out of all the people that are listed in the overclocking results here

https://docs.google.com/spreadsheet/ccc?key=0AjXDCk5eCp1gdEdENjlDYWl6ZnV4OVlNc0lMU1V3c1E&usp=sharing#gid=0

Only 4 are running over 1.4 volts with 2 of them needing this amout of voltage to power there chips up to 5.0ghz and the other one needing over 1.4 volts to run his chip at 4.9ghz.....all of them as far as i am aware have custom water loops and being de-lidded....i dont think its a good idea to be saying to someone without knowing there cooling information that runing over 1.4 Volts on Vcore...also i don't mean to be rude but if i needed over 1.4 volts to hit 4.6ghz i would not bother as to me it would not be worth it as i would most defiantly need a custom water loop and would need to take the risk of de-lidding....most people that are running 4.6ghz are achieving this at an average voltage of 1.25 volts.....if i could achieve that also i would consider my chip as good and run that overclock

I think you're assuming things. Exactly what is design limit and what demonstrable, applicable idea can be gleaned from it? None I know of. Belial, Darkadie, and I all run 1.4v+ vcore for x46 or x47. My tempts are awesome. Under 80C PEAK for all night of chess/encoding? I'm at 1.42v on D14, air, no delid. My first build ever. I've survived 1.5v+ vcore on air. Temps are relative from CPU to CPU, cooler to cooler, delid or not, but most importantly, which test.

 

So you're basing your assumption that a fixed voltage, in this case, 1.4v or higher, requires a custom loop which is demonstrably false in my records. What risk you find acceptable is your own decision but don't forget different people have different tolerances to risk. I can actually use that extra 100mhz speed in core that I get from x45 to x46. The average OC is 4.54ghz @ 1.3v. Averages last taken a week ago.

 

How good a clocker your CPU is is to a large extent not in your control but in my control is how far I'm willing to push it to get a higher clock rate.

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post #5946 of 19540
Quote:
Originally Posted by lawson67 View Post

Hi blaze2210 i am very happy that for you that you are running your 4.6ghz overclock @ over 1.40 volts....however the design limit of that chip i think you will find is is 1.3 volts....and out of all the people that are listed in the overclocking results here

https://docs.google.com/spreadsheet/ccc?key=0AjXDCk5eCp1gdEdENjlDYWl6ZnV4OVlNc0lMU1V3c1E&usp=sharing#gid=0

Only 4 are running over 1.4 volts with 2 of them needing this amout of voltage to power there chips up to 5.0ghz and the other one needing over 1.4 volts to run his chip at 4.9ghz.....all of them as far as i am aware have custom water loops and being de-lidded....i dont think its a good idea to be saying to someone without knowing there cooling information that runing over 1.4 Volts on Vcore is a ok...also i don't mean to be rude but if i needed over 1.4 volts to hit 4.6ghz i would not bother as to me it would not be worth it as i would most defiantly need a custom water loop and would need to take the risk of de-lidding....most people that are running 4.6ghz are achieving this at an average voltage of 1.25 volts.....if i could achieve that also i would consider my chip as good and run that overclock

I had this OC level running on a Kuhler 620 in push/pull, and my temps are in the 30's - under regular full loads (not synthetic benches) I only see about 57*C....It would really be useful for you to do some accurate research before trying to speak in a matter-of-fact manner, as the level of vcore that many consider to be dangerous is actually 1.5v - also with a 2.2v+ vrin. Also, I have not delidded my CPU.

Keep in mind, that as you increase your cache multi and RAM frequency, your CPU starts to require more voltage to be stable. Just trying to help here.
post #5947 of 19540
Quote:
Originally Posted by Darkwizzie View Post

I think you're assuming things. Exactly what is design limit and what demonstrable, applicable idea can be gleaned from it? None I know of. Belial, Darkadie, and I all run 1.4v+ vcore for x46 or x47. My tempts are awesome. Under 80C PEAK for all night of chess/encoding? I'm at 1.42v on D14, air, no delid. My first build ever. I've survived 1.5v+ vcore on air. Temps are relative from CPU to CPU, cooler to cooler, delid or not, but most importantly, which test.

So you're basing your assumption that a fixed voltage, in this case, 1.4v or higher, requires a custom loop which is demonstrably false in my records. What risk you find acceptable is your own decision but don't forget different people have different tolerances to risk. I can actually use that extra 100mhz speed in core that I get from x45 to x46. The average OC is 4.54ghz @ 1.3v. Averages last taken a week ago.

How good a clocker your CPU is is to a large extent not in your control but in my control is how far I'm willing to push it to get a higher clock rate.

I totally agree with what you say however my chip at over 1.4 volts would be hitting over 100c and most probably shut down to protect its self...my point is that not all chips like mine are capable of running over 1.4 volts without overheating and therefore risking damage to the chip...also i dont believe blaze knows my cooling situation...also there are a lot of noobs on this threat like myself learning to overclock and i think that it should be explained that at that voltage there are and could be risks....my chip as i am sure many others who read this thread could not with stand that amount of voltage...and if i did run that voltage and then ran IBT or prime and walked away to make a coffee or popped out to walk the dog may find that when they got home there lovely new pc would never start again....and us noobs can do stuff like that when we don't understand everything and are told that your chip could withstand 1.4 volts...lucky i know enough to feel i wanted to say this and i can not see how you could not agree.
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post #5948 of 19540
Quote:
Originally Posted by lawson67 View Post

I totally agree with what you say however my chip at over 1.4 volts would be hitting over 100c and most probably shut down to protect its self...my point is that not all chips like mine are capable of running over 1.4 volts without overheating and therefore risking damage to the chip...also i dont believe blaze knows my cooling situation...also there are a lot of noobs on this threat like myself learning to overclock and i think that it should be explained that at that voltage there are and could be risks....my chip as i am sure many others who read this thread could not with stand that amount of voltage...and if i did run that voltage and then ran IBT or prime and walked away to make a coffee or popped out to walk the dog may find that when they got home there lovely new pc would never start again....and us noobs can do stuff like that when we don't understand everything and are told that your chip could withstand 1.4 volts...lucky i know enough to feel i wanted to say this and i can not see how you could not agree.

Some things just shouldn't have to be stated, or are stated in round about ways in the guide. For instance, you shouldn't be automatically throwing 1.4v on your chip and start overclocking. That's just common sense. You should slowly be working up your voltage and if you're monitoring temps like you should, you'll see whether or not your chip and cooling solution are meant for higher volts. My chip right now needs a delid because even under a custom loop I'm getting temps in the low 70s with 1.345v. Granted, I've suspected something might be awry with my block...
post #5949 of 19540
Thread Starter 
Quote:
Originally Posted by lawson67 View Post


I totally agree with what you say however my chip at over 1.4 volts would be hitting over 100c and most probably shut down to protect its self...my point is that not all chips like mine are capable of running over 1.4 volts without overheating and therefore risking damage to the chip...also i dont believe blaze knows my cooling situation...also there are a lot of noobs on this threat like myself learning to overclock and i think that it should be explained that at that voltage there are and could be risks....my chip as i am sure many others who read this thread could not with stand that amount of voltage...and if i did run that voltage and then ran IBT or prime and walked away to make a coffee or popped out to walk the dog may find that when they got home there lovely new pc would never start again....and us noobs can do stuff like that when we don't understand everything and are told that your chip could withstand 1.4 volts...lucky i know enough to feel i wanted to say this and i can not see how you could not agree.

As James said: You don't just pop in 1.4v because it's a nice round figure which you randomly guessed will work fine. I mean, I can totally add that part to the guide, just in case somebody does that.  But let's assume everybody knows that: There is no way to brick your CPU if you up voltage incrementally. Why anybody would ramp voltage way up and then walk away to make a coffee without first checking temps for the first 10 seconds is totally beyond me. And exactly, it's the test you are doing. The temperatures vary a whole lot from test to test. When I finally stop procrastinating and start testing all the stress programs I will try to rank them in order of heat output. That way people know what to expect. I'll refine the guide and add the obvious points brought about here... Just in case somebody makes a mistake.

@James:
Although this is
 a Haswell OC guide and I assume people know basics of ocing, for the sake of trying to make the guide as foolproof as possible, I'm willing to add obvious points. 

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post #5950 of 19540
Quote:
Originally Posted by blaze2210 View Post

I had this OC level running on a Kuhler 620 in push/pull, and my temps are in the 30's - under regular full loads (not synthetic benches) I only see about 57*C....It would really be useful for you to do some accurate research before trying to speak in a matter-of-fact manner, as the level of vcore that many consider to be dangerous is actually 1.5v - also with a 2.2v+ vrin. Also, I have not delidded my CPU.

Keep in mind, that as you increase your cache multi and RAM frequency, your CPU starts to require more voltage to be stable. Just trying to help here.

Sorry but i am sure you are trying to help...however you did not know my cooling situation or what benchmarking programs i have sitting on my desktop...you don't know how much of i noob i am when you ask such limited questions and then say it should be fine to run over 1.4 volts though my cpu....no i am sorry and i will speak in such a matter of fact way when you are telling someone its ok to run 1.4 volts though there new CPU and you see this as acceptable...if i had done that and ran that voltage and then ran IBTor prime i could end up like the 2 guys who have had there chips die on them....read this


"So I finally killed it. Long story short I ran with stable 4.5 ghz overclock for more than a month. My chip was delidded with CLP between IHS and the die. Core voltage was ~1.32. Temps never went above 75C on Prime95. Few days ago I decided to try Prime95 with AVX.

I noticed that with AVX the voltage jumped to ~1.38, I was not too worried because temps didn't go any higher. I observed it for few minutes and left it run for few hours. When I came back my PC was dead. Would not turn on at all. Fans would spin and turn off right away."

No one not even you guys knows enough about haswell yet...we are all still learning!

http://www.overclock.net/t/1417554/killed-my-4770k
Edited by lawson67 - 11/26/13 at 6:05pm
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