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

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July 11, 2010 10:59:32 PM

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 ^^

More about : 930 4ghz 87c hot

July 11, 2010 11:29:06 PM

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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July 11, 2010 11:46:04 PM

Sounds good but I wouldn't let my CPU run that hot at all!!! And I run it 24/7!
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July 12, 2010 12:09:31 AM

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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July 12, 2010 12:10:20 AM

RMD said:
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.


]http://valid.canardpc.com/cache/banner/1290251.png


57c max out is very good temp ><" i wish i can do this
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July 12, 2010 12:12:04 AM

RMD said:
Sounds good but I wouldn't let my CPU run that hot at all!!! And I run it 24/7!


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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July 12, 2010 12:21:57 AM

tonytx said:
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 ?


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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July 12, 2010 12:31:37 AM

Also if you lower the multi and increase the bus you can reach the same speed with out so much strain on the CPU. Try 20x200.
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July 12, 2010 1:46:30 AM

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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July 12, 2010 1:58:06 AM

RMD said:
Also if you lower the multi and increase the bus you can reach the same speed with out so much strain on the CPU. Try 20x200.

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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July 12, 2010 2:00:53 AM

RJR said:
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.


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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July 12, 2010 2:10:50 AM

tonytx said:
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?

change the cpu ratio to 19
intel sucks on even multipliers
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July 12, 2010 2:31:58 AM

I've been stable with no issues to speak of at 3.8 via 19x200.
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July 12, 2010 3:04:42 AM

RMD said:
I've been stable with no issues to speak of at 3.8 via 19x200.


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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July 12, 2010 10:02:52 AM

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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July 12, 2010 2:39:17 PM

It wouldn't hurt to try and re-seat your heat-sink just in case. 84C is under 100C but a little too close for comfort. Last but not least, if it's in your budget, get the Zalman CNPS 10X Extreme, you won't be disappointed! Buy.com and Amazon.com have it for $67.99. Damn I just got not long ago for $84...

http://www.amazon.com/gp/product/B002ATFAZO
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July 12, 2010 3:11:29 PM

tonytx said:
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 ?


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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July 12, 2010 3:36:41 PM

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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July 12, 2010 10:08:43 PM

RMD said:
It wouldn't hurt to try and re-seat your heat-sink just in case. 84C is under 100C but a little too close for comfort. Last but not least, if it's in your budget, get the Zalman CNPS 10X Extreme, you won't be disappointed! Buy.com and Amazon.com have it for $67.99. Damn I just got not long ago for $84...

http://www.amazon.com/gp/product/B002ATFAZO


Meh, if he gets that, at that price point i'd rather buy a Venomous X
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July 13, 2010 2:25:28 AM

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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July 14, 2010 1:06:24 PM

aznshinobi said:
Meh, if he gets that, at that price point i'd rather buy a Venomous X


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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July 14, 2010 1:12:58 PM

Hard Line said:
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 )


That's and even bigger eyesore!
And what kind of case do you have?
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July 14, 2010 1:30:15 PM

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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July 14, 2010 1:39:45 PM

Hard Line said:
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


That sounds insane!
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July 14, 2010 2:08:33 PM

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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July 14, 2010 5:18:18 PM

RMD said:
That sounds insane!


I'm using the same cooler and the same Oc with a 5970 and a HAF 932. The hotest temp I get is 75c while doing 20 runs of the Intel Burn In program on max ram usage.
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July 14, 2010 10:25:55 PM

my OC hits 73C core temp on 1 core and the rest hit 68C Tcase ( tempin 1 in speedfan and hwmonitor ) shows 61C under linx and prime load
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July 14, 2010 11:50:07 PM

You've got a great cooler, the NH-D14 is one of the best going these days.

You can forget about the Tcase temp though, there is no sensor in your processor that can accurately display the Tcase temp. Core temps look great though.
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July 14, 2010 11:51:21 PM

thx RJR.. how much headroom you think i have left?
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July 15, 2010 12:27:38 AM

That's a hard question to answer, everyone if different there. Lot's of people say take it to 80c under prime95/IBT because you'll never see that kind pressure on your processor under normal use. Others, like myself, try to play it a little safer and say low 70's under load and then no matter what happens you are sure you're never going to hurt your processor from excessive heat. So, as long as you know the risks and are willing to take them, completely up to you. Sorry for the round about answer.
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July 15, 2010 12:39:22 AM

Meh no worries..lol I just want to get high performance that will last me a good 4-5 yrs. I had an e7200 running at 4.13 on a freezer 7 pro... that is until my mainboard ( biostar TP35D2 A7 ) bit the bullet and went to the recycling center in the sky... and to be fair, I tortured that thing and bought it open box rofl. and this at stock was a huge difference. I have thousands of dvds i imaged ( legally) I own the dvd's for archiving. and I have to transcode them to maybe h264 or mp4 to shrink them.. and i figure 8 cores at 4.0 will be much faster than the old e7200 dual core lol
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July 15, 2010 12:43:50 AM

Hard Line said:
and i figure 8 cores at 4.0 will be much faster than the old e7200 dual core lol

BIG difference :o 
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July 15, 2010 12:53:47 AM

Roflmao yeah.. funny thing is, that thing was fast lol it could transcode a 2.5 hour movie in an hour now it takes 40 minutes I have not found any software that will utilize all 8 threads on 1 file i had to encode over 20 files for it to take advantage
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July 16, 2010 7:50:22 PM

Two things have me thinking you just need to try adjusting your heat sink. Your range of 70-85 across all four cores is odd to me. I usually see that when thermal paste isn't spread evenly when I take the heat sink off and look at it.

Also, your max temp at 2.8Ghz seems quite high. People are telling you your cooler sucks but I don't think that it should be that bad. I was using the intel stock cooler for a while on 17-930 set at 2.8Ghz and those were the kind of temps I was seeing.

What I would do is take your heatsink off and make sure you are spreading the thermal paste evenly and in proper amounts and see if you can lower your stock setting temps. That will get you on a better base for lower OC temps. By the way, what thermal paste are you using? Is it a good brand or crappy?

Thats my 2 cents
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July 16, 2010 11:48:04 PM

SpinachEater said:
Two things have me thinking you just need to try adjusting your heat sink. Your range of 70-85 across all four cores is odd to me. I usually see that when thermal paste isn't spread evenly when I take the heat sink off and look at it.

Also, your max temp at 2.8Ghz seems quite high. People are telling you your cooler sucks but I don't think that it should be that bad. I was using the intel stock cooler for a while on 17-930 set at 2.8Ghz and those were the kind of temps I was seeing.

What I would do is take your heatsink off and make sure you are spreading the thermal paste evenly and in proper amounts and see if you can lower your stock setting temps. That will get you on a better base for lower OC temps. By the way, what thermal paste are you using? Is it a good brand or crappy?

Thats my 2 cents



You may want to read the op's post again.. he was getting those temps at 4.0 Ghz with 1.26250v.... 191x21
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July 17, 2010 3:31:54 PM

tonytx said:


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



I think I am reading his post just fine. 61C with stock settings are the type of temps I was getting when using Intel's stock heat sink. I think he needs to play around with his heat sink installation because I would bet that he can get lower temps if he installs it better.
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July 22, 2010 5:07:19 PM

I just built a rig with nearly the same set-up and (but with Silverstone Fortress2 case, and 8 gb gskill ddr3 1600) I have never overclocked before so i thought i would try those settings. I plugged them in and my temps were ok (75 degrees max per core for 4.01 ghz with 1.225 vcore) but my system will either freeze or bsod after about 5-15min of running prime95. I understand the numbers and multipliers, but what i am not too sure about is what voltages to use. Will simply upping the vcore help solve the crash problem?
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July 22, 2010 5:31:05 PM

awilson said:
I just built a rig with nearly the same set-up and (but with Silverstone Fortress2 case, and 8 gb gskill ddr3 1600) I have never overclocked before so i thought i would try those settings. I plugged them in and my temps were ok (75 degrees max per core for 4.01 ghz with 1.225 vcore) but my system will either freeze or bsod after about 5-15min of running prime95. I understand the numbers and multipliers, but what i am not too sure about is what voltages to use. Will simply upping the vcore help solve the crash problem?



sent you a pm as to not hijack the ops thread
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July 23, 2010 12:07:11 AM

awilson said:
I just built a rig with nearly the same set-up and (but with Silverstone Fortress2 case, and 8 gb gskill ddr3 1600) I have never overclocked before so i thought i would try those settings. I plugged them in and my temps were ok (75 degrees max per core for 4.01 ghz with 1.225 vcore) but my system will either freeze or bsod after about 5-15min of running prime95. I understand the numbers and multipliers, but what i am not too sure about is what voltages to use. Will simply upping the vcore help solve the crash problem?


Check out our thread just slightly below this one under the CPU overclocking section..i7 sweet spots or whatever it is called. We are posting voltages for the OC settings so follow the format and post your settings and maybe we can help you out.
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December 25, 2012 6:06:35 PM



P6T Deluxe V2 + I7 930 @ 4029,93MHZ

multiplier @ 21, blck @ 192 and core voltage @ 1,30

below 70 degrees celsius @ 2 hours run
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December 25, 2012 6:12:04 PM

***P6T Deluxe V2 + I7 930 @ 4029,93MHZ *(cooled by corsair H80i)*
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!