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Offline Mike Coyne  
#1 Posted : Monday, August 8, 2011 10:13:45 PM(UTC)
Mike Coyne


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I was happy that all went well for few weeks now i able to do overclocking my I7 990X. set at 133 MHz FSB x 33 that run at 4.40 GHz on air cooler at stock volts. it really fastest that i ever seen. I knew my processor is unlocked muilt (only on Extreme Edition). [H]


New Antec Kuhler H20 620 has stable my i7 990X overclocked at 4.5 GHz. the CPU Temp between 30 C to 35 C. It did help a lot. Set at 133 MHz FSB x 34 thatt run at 4.5 GHz.

Offline Mike Coyne  
#2 Posted : Thursday, August 11, 2011 2:33:24 PM(UTC)
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Here is bit of info... When my I7 990X OC at 4.40 GHz, the volts was at 1.336. and it seems to stable. Normal speed at 3.47 GHz the volts was at 0.968 (just under 1 volts) The CPU-Z that i saw on my PC. I tried to get i7 990x up to 4.5 GHz but it did crashed down and was not stable. I think I will stay at 4.40 GHz that still stable all day without problem. Reason it wont go over 4.5 GHz because my RAM run at DDR3 at 1.33 GHz. With 1.33 GHz on ram do fine with 4.40 GHz.

Offline Der Meister  
#3 Posted : Thursday, August 11, 2011 4:28:56 PM(UTC)
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did you try changing the voltage/timing of your ram at all to get to that higher speed?

Offline Mike Coyne  
#4 Posted : Thursday, August 11, 2011 10:26:36 PM(UTC)
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No, I don't want to damage my new PC.  I'll stick with up to 4.40 GHz with Ram run at 1.33 GHz. That I did bought 6 GB DDR3 at 1.33 GHz. It is pretty fast enough for DDR3. When I did overclocked i7 990X at 4.40 GHz with RAM at 1.33 GHz and PC did went super fast and plenty of power. Please understand that my new pc run for few weeks now.

Offline AKwyn  
#5 Posted : Friday, August 12, 2011 5:35:42 AM(UTC)
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It's not going to damage the PC instantly if you overvolt but it is going to void your warranty/reduce the lifespan of your CPU if you do...


In any case, it's up to you if you want to do it; though you may want to understand the risks first.

Offline rrplay  
#6 Posted : Friday, August 12, 2011 6:07:36 AM(UTC)
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Mike Coyne wrote:


No, I don't want to damage my new PC.  I'll stick with up to 4.40 GHz with Ram run at 1.33 GHz. That I did bought 6 GB DDR3 at 1.33 GHz. It is pretty fast enough for DDR3. When I did overclocked i7 990X at 4.40 GHz with RAM at 1.33 GHz and PC did went super fast and plenty of power. Please understand that my new pc run for few weeks now.




That's nice you have those clock speeds and trying not to damage your new PC 


just noticed that nothing was mentioned regarding TEMPS ! What temps under full load ?


So how 'super fast' and what temps ?


@Mke Coyne you might want to take a look at this thread  Bios settings for overclocking your rig. (A guide for the rest of us) http://hothardware.com/cs/forums/t/53962.aspx


post some screens of CPU-Z and either CoreTemps or Real Temps ..what are you using to test for stability ? and monitoring your temps under full load ?


*** Note the reason that thread got started was due to someone having a high lock speed with cpu temps in the uppper 80c C  !


& that will certainly shorten the life and performance expectancy of your cpu as Taylor previously mentioned..


 

Offline Mike Coyne  
#7 Posted : Friday, August 12, 2011 10:55:23 PM(UTC)
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I did set  at x33 and  133 MHz FSB and Intel SpeedStep was disabled and all rest set by AUTO. and In BIOS CPU Temp stay at 35 C to 50 C with OC at 4.49 GHz with air cool and still have good air flow in CM HAF 812. It seem doing good and It never get over 80 C but still under 80 C. Rrplay, Have you check out my photo of my custom PC in MY Rig?  I did read the forum about Bios settings for overclocking . I am agree with you and Taylor about the risk. I

Offline Mike Coyne  
#8 Posted : Friday, August 12, 2011 10:57:00 PM(UTC)
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I wrote 4.49 GHz. That was mistake . Correction is 4.40 GHz.

Offline rrplay  
#9 Posted : Saturday, August 13, 2011 3:42:20 AM(UTC)
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Mike Coyne wrote:


I did set  at x33 and  133 MHz FSB and Intel SpeedStep was disabled and all rest set by AUTO. and In BIOS CPU Temp stay at 35 C to 50 C with OC at 4.49 GHz with air cool and still have good air flow in CM HAF 812. It seem doing good and It never get over 80 C but still under 80 C. Rrplay, Have you check out my photo of my custom PC in MY Rig? .....




I did look at this pics of your rig and it sure looks nice


I never mentioned that your temps were anything near 80C just interested in the CoreTemp or Real Temps of the CPU under full 100% load .Some folks use OCCT Linpack ,Prime95,LinX & IntelBurn whichever you choose just keep an eye on the temps under full load.


If possible to post a screenshot of the apps [CPU-Z ,Core or RealTemps  monitor app & Some stress app ] as  in the Bios or video OC threads even better ..


Anyhoo sure looks like a nice rig Mike and know you are enjoying it and having a lot of fun with it as well.[:)]

Offline Mike Coyne  
#10 Posted : Saturday, August 13, 2011 2:05:15 PM(UTC)
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I can tell you, when I overclocked i7 990X at 4.40 GHz. the Real Temp was about 90 F (? C) Reason my ASUS Motherboard has Xtreme Full Power is Enable in bios. It helped better performance when set in OC.  ASUS MB set by default by 133.6 that look lke OC at 4.41 GHz. It still good at 1.336 volts without any problems.  I'm glad you like my custom PC that you saw in MY RIG forum. It is enough for me to know about OC. Let's move on with other stuff. Thanks.

Offline Mike Coyne  
#11 Posted : Saturday, August 13, 2011 2:31:20 PM(UTC)
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Ok here is the post of Core temp.

Offline rrplay  
#12 Posted : Saturday, August 13, 2011 3:06:58 PM(UTC)
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Mike Coyne wrote:


Ok here is the post of Core temp.




actually more interested in what kind of temps you have under full 100% load with the OC at 4.4 GHz


..,but if you want to move on >> OK with me.


 

Offline Mike Coyne  
#13 Posted : Sunday, August 14, 2011 10:35:43 AM(UTC)
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I set my i7 990x OC at 4.40 GHz and i did use the programs like OCCT Linpack and let it run for 30 min and i7990x did hold on at 75 C and drop at 70 C and went back to 75 C. it run at 4.40 GHz at 100 Percent of load. The report found no error with all stuff. I know you would like to know.  I7 990X fan run from 2,556 to 2636 RPM. It get bit warm but it seem doing good job.

Offline rrplay  
#14 Posted : Sunday, August 14, 2011 11:37:16 AM(UTC)
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Mike Coyne wrote:


I set my i7 990x OC at 4.40 GHz and i did use the programs like OCCT Linpack and let it run for 30 min and i7990x did hold on at 75 C and drop at 70 C and went back to 75 C. it run at 4.40 GHz at 100 Percent of load. The report found no error with all stuff. I know you would like to know.




Hey Hey ! Way to Go  Mike ! [Y] Nothing like being sure about such things.as temps under full loads.


If like you can run the IntelBurn In app all threads Max settings should take about 5 minutes watch temps and you can actually lower Vcore until you are unable to pass the test...this way you may be a able to have a lover Vcore and lower temps overall Having CPU-Z open and watching the Core Volts is pretty good for this.


.It usually a compromise of sorts and peace of mind as well.


Looks like your having some Fun and doing some good work with your rig.


thanks for sharing [:)]

Offline rrplay  
#15 Posted : Sunday, August 14, 2011 11:43:50 AM(UTC)
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oh yeah almost forgot  while your having some fun with OCCT you might as well take a look see at the graphs the app creates when you get around to running the OCCT PSU tests and stuff.Pretty good way to get an idea how your PSU is delivering the juice.



Have Fun !

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