I7 930 OC to 4ghz at 87C too hot?

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tonytx

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Jun 12, 2010
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Hi everyone, this is the first time i build my gaming PC, and first time ever i try to OC it (just for fun =P, just tun up ur car for better preformance).

Here is the part for the PC:
Intel i7 930
Asus P6X58D-E
Cooler Master HAF 932 full tower
Hyper 212+
corsair dominator ddr3 1600

I used Core Temp 0.99.7 to monitor my cpu temp
before i OC, i got 31-38 C on lowest temp and 61 C when i did strees test with prime95

after i OC to 4ghz, temp show up 38 -41 C on lowest temp and get between 70- highest 85C on prime 95 test
after 20 mins test on prime95 the pc is still standable, but 85 C looks really high, am i doing ok with it or i need to lower my OC probably to 3.8ghz? also i was wondering if i did anything wrong to setup the hyper 212+, since i got higher temp compare to other people using the same cooling + cpu setup, i read other post people got 75C when they OC to 4.0ghz and even before they got they got a lower temp, anything wrong with my bio setting?

here is the list of changed i did to OC

Ai Overclock Tuner.....................[Manual]
CPU Ratio Setting......................[21.0]
Intel(r) SpeedStep(tm) Tech............[Disabled]
Xtreme Phase Full Power Mode...........[Enabled]
BCLK Frequency.........................[191]
PCIE Frequency.........................[100]
DRAM Frequency.........................[DDR3-1531MHz]
UCLK Frequency.........................[3063MHz]
QPI Link Data Rate.....................[Auto]

CPU Voltage Control....................[Manual]
CPU Voltage............................[1.26250]
CPU PLL Voltage........................[1.80]
QPI/DRAM Core Voltage..................[1.21875]
IOH Voltage............................[1.14]
IOH PCIE Voltage.......................[1.50]
ICH Voltage............................[1.20]
ICH PCIE Voltage.......................[1.50]
DRAM Bus Voltage.......................[1.64]
DRAM DATA REF Voltage on CHA...........[Auto]
DRAM CTRL REF Voltage on CHA...........[Auto]
DRAM DATA REF Voltage on CHB...........[Auto]
DRAM CTRL REF Voltage on CHB...........[Auto]
DRAM DATA REF Voltage on CHC...........[Auto]
DRAM CTRL REF Voltage on CHC...........[Auto]

Load-Line Calibration..................[Enabled]
CPU Differential Amplitude.............[800mV]
CPU Clock Skew.........................[Delay 300ps]
CPU Spread Spectrum....................[Disabled]
IOH Clock Skew.........................[Auto]
PCIE Spread Spectrum...................[Disabled]

C1E Support............................[Disabled]
Hardware Prefetcher....................[Enabled]
Adjacent Cache Line Prefetch...........[Enabled]
Intel(r) Virtualization Tech...........[Disabled]
CPU TM Function........................[Enabled]
Execute Disable Bit....................[Enabled]
Intel(r) HT Technology.................[Enabled]
Active Processor Cores.................[All]
A20M...................................[Disabled]
Intel(r) SpeedStep(tm) Tech............[Disabled]
Intel(r) C-STATE Tech..................[Disabled]

thanks in advance for help ^^
 
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RMD

RMD

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Oct 23, 2009
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I'm no expert, but I think you should raise your voltage on your CPU. I have a different CPU but I know it should need more than 1.26v, even on auto the mobo bios would and should supply more than that.
Maybe 1.35-1.45. Good Luck!

I'm not running Prime95 for 20mins But as a reference my 920@3.8 idles at 33C-36C and after running Cinebench twice back to back my temp hit a maximum of 57C.

I have the Zalman CNPS Extreme and the same HAF932 case with
 
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RMD

RMD

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I just ran Prime95 and the whole way thru I didn't go above 63C. And I have utorrent still running and surfing via Firefox as it ran.

It's still going in the background now doing the 800k test and still at 63C.
 
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tonytx

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well, i wont able to run my CPU with max speed 24/7, but even so, i still want to keep it low as possible isnt it?
my pc is mostly for gaming, so i wonder with the current temp, should i just lower to 3.8 GHZ or just leave it as its now.
btw, u cant get over 63C sound very good, how u do that ?
 
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RMD

RMD

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I had the E.C.O. ALC (AIO baby-cpu watercooling system) but I couldn't get it seated right so I got the Zalman 10X Extreme and now I have lower temps than the E.C.O. and my old C2D QX6700 system. I didn't change anything else. The way the Zalman installs should be the new standard, almost zero chance of installing it wrong!

For voltage reference, I have it on auto and I show 1.38v min and 1.42v current and max. Prime still running and now 62C!
 
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RJR

RJR

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Actually the lower the Bclk, the easier it is to OC with less voltage.

Tony, you can install two massive cfm fans on the 212+, that will help a little, but the 212+ is just not capable enough of handling the heat of a higher OCed i7.

 
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tonytx

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so instead of this,
CPU Ratio Setting......................[21.0]
Intel(r) SpeedStep(tm) Tech............[Disabled]
Xtreme Phase Full Power Mode...........[Enabled]
BCLK Frequency.........................[191]

use:
CPU Ratio Setting......................[20.0]
Intel(r) SpeedStep(tm) Tech............[Disabled]
Xtreme Phase Full Power Mode...........[Enabled]
BCLK Frequency.........................[200]

?
right?
 
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tonytx

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hm... if since 212+ is not capable for higher OCed i7, should i try just go by OC to 3.8ghz?
 
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ubernoobie

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change the cpu ratio to 19
intel sucks on even multipliers
 
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tonytx

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so i tried this setting i did get 3.8ghz, but when i ran prime95 again for 30 mins this time, i still got highest temp from 80 to 84 C on all four core =( did i do something wrong here? why the temp didnt drop even i changed from 4.0 to 3.8ghz? do i need to change Voltage ?
 
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aznshinobi

aznshinobi

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At this point i think you can undervolt, at 3.8 you could probably undervolt a bit and reduce the heat generated. This might give you lower temps, it might not. Also, you could get 2 fans of higher CFM like RJR said and that'll cool it a lot more. And 80 isn't too bad, I'd say just to be sure though to be in the low 70s like 73 on 100% load.
 
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RMD

RMD

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I just caught something, speaking for experience, don't get to caught up in the actual individual core temps. I was driving myself crazy, I stopped and now I look at the single CPU Temp which I thought you were doing.

From that stand point 80C-84C is fine. Try leaving CPUID HWMonitor open and look at TMPIN1, that's the one I was talking about.

I ran Cinebench again.
TMPIN1=56C max
Core Temp were
75C
76C
72C
72C

I ran Prime95 again for 5 mins
86C
87C
81C
80C
 
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RJR

RJR

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OK, "CPU TEMP" is NOT ACCURATE, there is no sensor in the cpu that can accurately tell the cpu temperature.

The most accurate means to determine if you are degrading your chip with excessive heat is core temp reading.

The thermal threshold spec for the Intel i7 9xx series chip is 67.9c (tcase) so low 70's core temp. This whole 100c thing gets me going, this is the TJmax (when the chip throttles so it doesn't blow up), there is no need in the world to get even close to this.

So, anything over low 70's you can pretty much say you are hurting your chip, how much, that's anyones guess but you can be sure it's happening.
 
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aznshinobi

aznshinobi

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Meh, if he gets that, at that price point i'd rather buy a Venomous X
 
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Hard Line

Hard Line

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I would like to provide some input as I have an i7 930 running at 4.0.. ( i am not done tweaking yet ) but I am at 21x191 QPI link 3453with a vcore of 1.264v with cpu pll 1.8, qpi 1.275, qpi pll 1.1, ioh core 1.1, ich 1.5, and ich core 1.1. and at idle runnign 30C and prime AND linx load get no higher than 73C however I give credi to the noctua d-14.. massive heatsink but very capable.. and I highly recommend if you plan to overclock ( however it is not cheap either )
 
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RMD

RMD

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I have yet to see a review where the ThermalRight Venomous X out performs the Zalman 10X Extreme but whatever, I had the ThermalRight Ultra 120 extreme also and it was good, but talk about an eyesore!

I chose to go with the best option at purchase time which was the Zalman, and besides I did say "IF" it's in his budget, I don't skimp on my cooling solutions. Nor do I keep anything long enough to worry about it.

Anybody wanna buy a slightly used ECO ALC? lol Joking...
 
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RMD

RMD

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That's and even bigger eyesore!
And what kind of case do you have?
 
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Hard Line

Hard Line

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I love the giant heatsink lol it's just massive lol.. oh and I have the haf 922 2x 200mm fans, 1x140mm fan and 3 120mm gotta keep air moving in there..lol oc'd cpu and the 5870 like to stay cool...

I almost built a water loop with copper pipes in the garage and have it go up to my pc which is above it.. the ground in the garage stays well below ambient temps so it would keep my pc cool in summer and very chilled in winter lol. but the wife didn't like the idea of holes in the floor just for my computer lol
 
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RMD

RMD

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That sounds insane!
 
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Hard Line

Hard Line

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it would have been sweet lol the garage floor stays a cool 50-60F in the summer and is not heated in winter and only gets down to around 40.. so a fairly stable temp... only way to do better is to insert them under ground about 3-6 FT however the cement floor of the garage has a lower specific temp than the air and dirt so in the surface or close to teh surface, you would want concrete
 
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