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[Official] The Sandy Stable Club **Guides, Voltages, Temps & BIOS Templates** Inc SPREADSHEET - Page 737

post #7361 of 10701
Just wondering why the voltage demands of this thread have to be so low? Has anyone running a Sandy bridge actually had a damaged Cpu running over 1.4 volts yet? or even 1.5. I have seen many i5's running high Voltages on water 24/7 running since Sandy was released.This question is more of curiosity then anything else.I just see allot of Cpu's running way higher voltages with no long term effects so far. Does it mean could degrade the chip over 10 years or something.Myself i see 1.5 being the max Voltage to run Sandy at but just curios why so many say stay below 1.4.

Basically is there any proof of any damage to sandy bridge Cpu under 1.5 volts?

Thanks for any replies.

Great thread by the way.I visit here all the time !
   
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post #7362 of 10701
Tested my Vertex 3 SSD with and without C States Disabled, here are the results;

Disabled
511
Enabled
511


Disabled
615
Enabled
615

Not Much difference but it looks like Enabled is a little better. I'm going to enable C States on my system again because it seems they are better for CPU lifespan. If I idle BSOD I'll be Disabling again.

Does anyone have any other thoughts?
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post #7363 of 10701
Quote:
Originally Posted by mybadomen View Post

Just wondering why the voltage demands of this thread have to be so low? Has anyone running a Sandy bridge actually had a damaged Cpu running over 1.4 volts yet? or even 1.5. I have seen many i5's running high Voltages on water 24/7 running since Sandy was released.This question is more of curiosity then anything else.I just see allot of Cpu's running way higher voltages with no long term effects so far. Does it mean could degrade the chip over 10 years or something.Myself i see 1.5 being the max Voltage to run Sandy at but just curios why so many say stay below 1.4.
Basically is there any proof of any damage to sandy bridge Cpu under 1.5 volts?
Thanks for any replies.
Great thread by the way.I visit here all the time !

For me it's because of temps.

Much higher than 1.4 on air and my temps are too high.

Once I go back to a custom watercooling loop I'll be at 1.5
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post #7364 of 10701
Quote:
Originally Posted by mybadomen View Post

Just wondering why the voltage demands of this thread have to be so low? Has anyone running a Sandy bridge actually had a damaged Cpu running over 1.4 volts yet? or even 1.5. I have seen many i5's running high Voltages on water 24/7 running since Sandy was released.This question is more of curiosity then anything else.I just see allot of Cpu's running way higher voltages with no long term effects so far. Does it mean could degrade the chip over 10 years or something.Myself i see 1.5 being the max Voltage to run Sandy at but just curios why so many say stay below 1.4.
Basically is there any proof of any damage to sandy bridge Cpu under 1.5 volts?
Thanks for any replies.
Great thread by the way.I visit here all the time !

have been running 4.7ghz @ 1.45v for 3-4 months without any problems, tweaked it down to 1.4v now,
and also have run 5ghz for over 1.5 month on 1.45v core with llc1 (on my asrock), which bumped up to 1.53vcore on cpu-z.
and havent (yet) encountered any degradation. alot of people say 1.52v is the max safe vcore, so that just what im aiming at to keep under.
Only when im benching i run x52 @ 1.515v (bios), cant get my chip to boot x53 frown.gif
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post #7365 of 10701
Quote:
Originally Posted by valleydaz View Post

Tested my Vertex 3 SSD with and without C States Disabled, here are the results;
Disabled
511
Enabled
511
Disabled
615
Enabled
615
Not Much difference but it looks like Enabled is a little better. I'm going to enable C States on my system again because it seems they are better for CPU lifespan. If I idle BSOD I'll be Disabling again.
Does anyone have any other thoughts?

I have bean running enabled since SB came out biggrin.gif
EDIT; and i do get better OC results when enabled as for SSD -same here
Edited by coolhandluke41 - 2/17/12 at 12:27pm
    
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post #7366 of 10701
Quote:
Originally Posted by mybadomen View Post

Just wondering why the voltage demands of this thread have to be so low? Has anyone running a Sandy bridge actually had a damaged Cpu running over 1.4 volts yet? or even 1.5. I have seen many i5's running high Voltages on water 24/7 running since Sandy was released.This question is more of curiosity then anything else.I just see allot of Cpu's running way higher voltages with no long term effects so far. Does it mean could degrade the chip over 10 years or something.Myself i see 1.5 being the max Voltage to run Sandy at but just curios why so many say stay below 1.4.
Basically is there any proof of any damage to sandy bridge Cpu under 1.5 volts?
Thanks for any replies.
Great thread by the way.I visit here all the time !

Because of temps, Intel recommends/says that max voltage is below 1.4 (I dont remember the exactly 1.xx voltage) and you also save electricity with lover voltages biggrin.gif So why not to get them low as possible.
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post #7367 of 10701
Quote:
Originally Posted by MooMoo View Post

Because of temps, Intel recommends/says that max voltage is below 1.4 (I dont remember the exactly 1.xx voltage) and you also save electricity with lover voltages biggrin.gif So why not to get them low as possible.

Oh i totally agree lower Voltages are better. But i wouldn't limit my Overclock by the recommended voltages that Intel recommends.I guess the real test is to wait a few more years to see if people complain about there Chips burning up.But i doubt on a nice system with a full loop 1.45 volts even to 1.5 volts will have problems.Unless maby running continues IBT tests with max settings.

Lol on the other hand i my self wouldn't recommend voltages higher then 1.4 either just in case someone did have a chip that couldn't handle it.

Are there any threads you know of that people actually tested the sandy bridge by pushing them to the fry point? It would be cool to see what Voltages it took to actually fry the chips.I swear i seen a thread like that here somewhere.
   
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post #7368 of 10701
Getting ready to add my submission to this club. Just a quick question though..I decided to go for the custom test with 90% memory load. However...it doesn't seem like you can run custom tests AND test the CPU at the same time.

In Prime95 I check "custom" and then input 90% of my memory into the "Memory to use" window, and it doesn't stress my CPU.
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post #7369 of 10701
Is it normal when running prime95 under load that the vcore sometimes drops below 1v and the multiplier drops too?

Disabled C States again also, computer switched itself off (idled)
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post #7370 of 10701
Quote:
Originally Posted by mybadomen View Post

Just wondering why the voltage demands of this thread have to be so low? Has anyone running a Sandy bridge actually had a damaged Cpu running over 1.4 volts yet? or even 1.5. I have seen many i5's running high Voltages on water 24/7 running since Sandy was released.This question is more of curiosity then anything else.I just see allot of Cpu's running way higher voltages with no long term effects so far. Does it mean could degrade the chip over 10 years or something.Myself i see 1.5 being the max Voltage to run Sandy at but just curios why so many say stay below 1.4.
Basically is there any proof of any damage to sandy bridge Cpu under 1.5 volts?
Thanks for any replies.
Great thread by the way.I visit here all the time !

I run 4.5 ghz ~ 1.35v on my 2600k partly because i didnt like the heat from 4.9~5 ghz. Additionally my rig is primarily for gaming, did some monitoring of cpu load in a couple games while at 4.5 ghz and my results were interesting:

I run all my games maxed out and get acceptable frame rates, These just happened to be what i played that day.
Serious Sam 3 loaded core 1 to 50%, cores 3,5,7 were all at no more then 30% load. Cores 2,4,6,8 were at 0% as expected,
Another Source Engine based game loaded core 1 to 80%, 3,5,7 to no more then 15% and 0% on 2,4,6,8.

I have just about every game you could be interested in seeing, i could run more

These were not old games either, my conclusion is that games are nowhere near cpu limited whatsoever, so other then bragging rights, theres no reason to even be consuming (as i tested it) +80 watts to provide +0.1v or for 4.9 ghz 1.475v and ~+120w compared to 4.5 ghz

Quote:
Originally Posted by valleydaz View Post

Is it normal when running prime95 under load that the vcore sometimes drops below 1v and the multiplier drops too?
Disabled C States again also, computer switched itself off (idled)

No thats not normal. it should be pretty steady state. Unless your sitting there watching it hard enough to be noticing the transition between FFT's
Edited by ryuji - 2/18/12 at 12:57am
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Desktop
(12 items)
 
Router/Server
(6 items)
 
 
CPUMotherboardGraphicsRAM
2600k@4.7 Ghz Asus Sabertooth P67 Sapphire HD5870 4x4gb Corsair Vengeance 
Hard DriveOptical DriveCoolingMonitor
120 GB OCZ Vertex 3 Bluray RW drive Silent dual loop water cooling gpu+cpu 2x ASUS VE247H (23.6 inch LED) 
PowerCaseMouseAudio
Antec Truepower Quattro 1KW Thermaltake Armor Razer Naga Epic Asus Xonar D2X, 5.1 channel tube amp 
CPUMotherboardRAMHard Drive
E8400 Rampage Formula Mushkin DDR2 3x WD Caviar Black 1TB 64mb cache 
CoolingOS
Silent water cooling 1x120mm radiator, chipset+... Gentoo Linux 
  hide details  
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