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Need help reaching 3.2Ghz on E6600

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December 9, 2007 9:28:06 AM

Hello All,

My CPU is a Intel Core 2 Duo E6600,
Mainboard is Gigabyte 965P-S3, (F8 Bios Version)
Memory is 2Gig TEAM-ELITE DDR2 800Mhz (PC2-6400 [400Mhz])
I have disabled EIST, C1E and Virt..

I can reach 3.15Ghz (350x9) without any problems on standard Voltage settings, but when i try for (356x9) the PC fails to boot..

I tried CPU Host Freq: 356x9,

Memory Frequency: 1068
DD2/Memory Voltage to 0.3v
FSB Volate to 0.3
VCore/CPU to 1.46875
DRAM Timing is 5-5-5-16

And it fails to even boot BIOS.

If someone could please look at my settings to see if something is wrong with them or something needs to be changed i would be greatly thankful.
I did look over some of the guides and other posts from users with the same CPU..

Thanks,
Knaxx.

More about : reaching 2ghz e6600

December 9, 2007 1:25:22 PM

Sounds like memory to me. Try dropping the memory frequency and/or increasing mem voltage.
December 9, 2007 4:21:38 PM

Righto...sounds like the DDR2 800mhz ram is hitting it's limit...

Bring it down to 2 for the ratio. If you have any further questions, refer to the overclocking guide in the overclocking section.
Related resources
December 9, 2007 5:03:19 PM

I tried changing the ratio of the memory to 2 and it worked, allowed boot.. so what i did was use ORTHOS STRESS Test to try testing if its stable.

Used Intel Thermal Analysis Tool and Core Temp.. the standard idle temp was at 48-52C and within 2 minutes into the test the PC started making an alarm sound of some kind.

Here is the highest temp it reached:

4:55:10: Processor 1 : DIGITAL TMP[ 50°C ]
4:55:20: Processor 0 : DIGITAL TMP[ 50°C ]
4:55:22: Processor 0 : DIGITAL TMP[ 48°C ]
4:55:24: Processor 0 : DIGITAL TMP[ 51°C ]
4:55:26: Processor 0 : DIGITAL TMP[ 50°C ]
4:55:40: Processor 0 : DIGITAL TMP[ 56°C ]
4:55:40: Processor 1 : DIGITAL TMP[ 56°C ]
4:55:42: Processor 0 : DIGITAL TMP[ 57°C ]
4:55:42: Processor 1 : DIGITAL TMP[ 58°C ]
4:55:44: Processor 0 : DIGITAL TMP[ 60°C ]
4:55:44: Processor 1 : DIGITAL TMP[ 60°C ]
4:55:46: Processor 0 : DIGITAL TMP[ 55°C ]
4:55:46: Processor 1 : DIGITAL TMP[ 59°C ]
4:55:48: Processor 0 : DIGITAL TMP[ 62°C ]
4:55:48: Processor 1 : DIGITAL TMP[ 62°C ]
4:55:50: Processor 0 : DIGITAL TMP[ 63°C ]
4:55:50: Processor 1 : DIGITAL TMP[ 63°C ]
4:55:54: Processor 0 : DIGITAL TMP[ 64°C ]
4:55:54: Processor 1 : DIGITAL TMP[ 64°C ]
4:56:00: Processor 0 : DIGITAL TMP[ 65°C ]
4:56:00: Processor 1 : DIGITAL TMP[ 65°C ]
4:56:02: Processor 1 : DIGITAL TMP[ 64°C ]
4:56:04: Processor 0 : DIGITAL TMP[ 66°C ]
4:56:04: Processor 1 : DIGITAL TMP[ 66°C ]
4:56:06: Processor 0 : DIGITAL TMP[ 65°C ]
4:56:06: Processor 1 : DIGITAL TMP[ 65°C ]
4:56:08: Processor 0 : DIGITAL TMP[ 67°C ]
4:56:08: Processor 1 : DIGITAL TMP[ 67°C ]
4:56:10: Processor 0 : DIGITAL TMP[ 66°C ]
4:56:10: Processor 1 : DIGITAL TMP[ 66°C ]
4:56:12: Processor 0 : DIGITAL TMP[ 67°C ]
4:56:12: Processor 1 : DIGITAL TMP[ 67°C ]
4:56:16: Processor 0 : DIGITAL TMP[ 66°C ]
4:56:16: Processor 1 : DIGITAL TMP[ 66°C ]
4:56:18: Processor 0 : DIGITAL TMP[ 68°C ]
4:56:18: Processor 1 : DIGITAL TMP[ 68°C ]
4:56:20: Processor 0 : DIGITAL TMP[ 67°C ]
4:56:20: Processor 1 : DIGITAL TMP[ 67°C ]
4:56:22: Processor 0 : DIGITAL TMP[ 68°C ]
4:56:22: Processor 1 : DIGITAL TMP[ 68°C ]
4:56:28: Processor 1 : DIGITAL TMP[ 67°C ]
4:56:30: Processor 0 : DIGITAL TMP[ 69°C ]
4:56:30: Processor 1 : DIGITAL TMP[ 69°C ]
4:56:32: Processor 0 : DIGITAL TMP[ 68°C ]
4:56:32: Processor 1 : DIGITAL TMP[ 68°C ]
4:56:34: Processor 0 : DIGITAL TMP[ 69°C ]
4:56:34: Processor 1 : DIGITAL TMP[ 69°C ]
4:56:40: Processor 0 : DIGITAL TMP[ 70°C ]
4:56:42: Processor 0 : DIGITAL TMP[ 69°C ]
4:56:42: Processor 1 : DIGITAL TMP[ 68°C ]
4:56:44: Processor 0 : DIGITAL TMP[ 70°C ]
4:56:44: Processor 1 : DIGITAL TMP[ 70°C ]
4:56:46: Processor 0 : DIGITAL TMP[ 69°C ]
4:56:46: Processor 1 : DIGITAL TMP[ 69°C ]
4:56:48: Processor 0 : DIGITAL TMP[ 70°C ]
4:56:48: Processor 1 : DIGITAL TMP[ 70°C ]

Thats with the same settings i mentioned above, accept changed memory frequency to 2.

I'm just wondering if my voltage settings are incorrect and if 72c is a safe temp??

Thanks,
Knaxx.
December 9, 2007 5:08:35 PM

Too hot. Please refer to Comp's guide in the sticky at the top of this forum for a more detailed temperature guide. In general on that processor the max core temp should be about 60 C.
December 9, 2007 5:13:04 PM

Looks to me you need better cooling. The sound was probably indicating that the cpu's performance and power consumption was cut to cool the cpu down.
December 9, 2007 5:18:38 PM

Yeah i am using stock cooling on the CPU.. do you think bringing down the voltage would help with my cooling?
December 9, 2007 5:20:46 PM

Knaxx said:
Yeah i am using stock cooling on the CPU.. do you think bringing down the voltage would help with my cooling?


Obviously you didn't read the sticky.

That's ok though.

Yes, voltage would help with cooling, but then might cause instability.

Voltage has an exponential relationship with temperature, frequency has a linear relationship.
December 9, 2007 5:34:20 PM



Thats with current settings, nothing changed.. Although nothing is running.. or any stress on CPU.
December 9, 2007 5:55:01 PM

I apologize if i bothered you cnumartyr, i am just afraid of what might happen to my Video Card Core, the temp is shown as a bad.. where as my CPU is not..
December 9, 2007 5:58:11 PM

Knaxx said:
I apologize if i bothered you cnumartyr, i am just afraid of what might happen to my Video Card Core, the temp is shown as a bad.. where as my CPU is not..


Where did you ask, ever, until just now, about your Video Card?

How am I supposed to look at your SpeedFan and know what is bothering you? That core temperature for your Video card is normal, nothing is wrong with it. If you think there is something wrong, perhaps say something. 50C is a pretty standard idle temp for most cards.

You didn't even mention what video card you had. Sorry if I act like you bothered me, but it'd be nice if you could give an explanation of what you want us to look at.

That CPU temp IS bad for idle.
December 9, 2007 6:11:50 PM

Well i have a nVidia GeForce 8600GT SUPER 512MB not overclocked, i also modified the voltage of Memory Voltage to 0.2v (From 0.3), FSB Voltage to 0.1v (From 0.3v) and NB/MCH to 0.1v (From 0.2v).. and VCore from 1.46875 to 1.4500... and changed the fan speed for the Video Card..

Temps in SpeedFan now are 44c for both cores and 49c for GPU. (IDLE)
December 9, 2007 6:32:16 PM

First please tell us that you did not leave your Northbridge [AUTO] as having these to low will mean that to make up for to low a setting, your CPU Vcore will have to be higher than it needs to. I got my E6600 to 3.2GHz on 1.29 Vcore because I upped my Northbridge to 1.41 volts, see the Northbridge has to talk to the processer and if you only up only one of their Vcores you'll need a lot more on one than just upping both. Also try 400x8 sometimes there are FSB holes on the mobo that are unstable, this is the nature of electronics

This will allow you to maybe lower you Vcore and up your Northbridge a little. Always ask yourself why did you fail Orthos (or what ever your using), try upping your NB one or two setting and lowering you CPU Vcore a little. You temps aren't good either, I hate those stock Intel coolers because of those stupid plastic pegs that can and do pop out from time to time.
December 9, 2007 6:37:16 PM

Thanks for the reply, i changed all my settings back to default and ran TAT and my CPU cores now range from 36-39c.. insted of 45.

Maybe i should invest in a new CPU cooler before trying to OC? but my temp seems to be fine.. if 36-39 is good in your perspectives.
December 9, 2007 7:09:18 PM

Knaxx said:
Thanks for the reply, i changed all my settings back to default and ran TAT and my CPU cores now range from 36-39c.. insted of 45.

Maybe i should invest in a new CPU cooler before trying to OC? but my temp seems to be fine.. if 36-39 is good in your perspectives.


My core temps are 30C both cores @ idle and 41C @ fully stressed at 3.2GHz from a stock of 2.4GHz using a Tuniq Tower 120. The Tuniq Tower 120 will fit most standard ATX cases.



By Systemlord at 2007-11-13


By Systemlord at 2007-11-13
December 9, 2007 7:32:15 PM

I had an Issue with my E4400 and Q6600 on my craptactular MSI P6N. The boad failed to OC fsb any higher then 1172mhz. That was until I found out about VTT. Thats the voltage for the FSB, it's different from Northbridge voltage. I upped my by 8% (don't know how much that is, like I said the P6N is very crappy and has a very vague overclocking menu, it won't even show you cpu voltage!!! You have to GUESS). Well, after upping it, I was allowed to hit 1200mhz fsb with the E4400 (3.0Ghz) and 1333mhz fsb with my Q6600 (3.0Ghz). Hope that helped!
December 9, 2007 7:50:48 PM

mraltoid19 said:
I had an Issue with my E4400 and Q6600 on my craptactular MSI P6N. The boad failed to OC fsb any higher then 1172mhz. That was until I found out about VTT. Thats the voltage for the FSB, it's different from Northbridge voltage. I upped my by 8% (don't know how much that is, like I said the P6N is very crappy and has a very vague overclocking menu, it won't even show you cpu voltage!!! You have to GUESS). Well, after upping it, I was allowed to hit 1200mhz fsb with the E4400 (3.0Ghz) and 1333mhz fsb with my Q6600 (3.0Ghz). Hope that helped!


Intel spec's something like 1.2v CPU VTT. A/GTL+ inputs need the GTL Ref Voltage which is a certain % of the CPU VTT (GTL Termination Voltage) to determine high (1) and low (0). Maximum as stated by Intel is 1.55v CPU VTT and 1.6v CPU PLL.

It's not exactly correct to say that CPU VTT is the "FSB Voltage."
December 9, 2007 7:59:32 PM

Nice systemlord,
My CPU runs at 54c fully stressed at 2.4Ghz.. but did i mention i live in Australia and my room Temp is crazy hot.. and its just starting summer.

Although i was reading that not enough or too much thermal paste or that the stock cooler might not be placed on correctly.
December 10, 2007 1:34:43 AM

Knaxx said:
Nice systemlord,
My CPU runs at 54c fully stressed at 2.4Ghz.. but did i mention i live in Australia and my room Temp is crazy hot.. and its just starting summer.

Although i was reading that not enough or too much thermal paste or that the stock cooler might not be placed on correctly.


No wonder its so cold here in the USA Westcoast California, Someone took my awesome summer weather away and now you have it. ;)  If its that crazy hot you need the best CPU cooler that you can get you hands on, the top two coolers are the Tuniq Tower 120 and the Thermalright Ultra 120 Extreme. The TT 120 already comes with the best fan you can get for it and the TR Ultra 120 Extreme doesn't come with a fan at all. Do you have an AC in the house?

Wait till you get one of the CPU coolers I've mentioned before you attempt an overclock in that crazy hot weather, your hole computer will thank you for it by giving you more quality time together. :) 
December 10, 2007 2:26:05 AM

I can't buy a TT 120 in Australia, but do you know if ZALMAN CNPS9700 is a decent Cooler?.. Also i have AC in the house but only in my Living Room, The PC is located in my room.. which is the hottest room in the whole house.
December 10, 2007 4:50:49 AM

Knaxx said:
I can't buy a TT 120 in Australia, but do you know if ZALMAN CNPS9700 is a decent Cooler?.. Also i have AC in the house but only in my Living Room, The PC is located in my room.. which is the hottest room in the whole house.


The Zalman CNPS9700 is the third best cooler and it has the best looks to. A thought, have you considered lapping both CPU & CPU cooler? The Intel Core 2's are not flat by any means, there high around the corners and sides. Having two perfectly flat surfaces (CPU & cooler) make a more then decent effect on idle & load temps. Look at this CPU surface.


By systemlord at 2007-12-09



By systemlord at 2007-12-09
December 10, 2007 2:45:54 PM

Thanks Systemlord,
Will definitely check out some more info on Lapping, btw i did a few more Temp tests and it seems my CPU idles 37-39 constantly.. i did this test in my room with A/C.. (It was also a cold day, rained like hell) and it was no different from my hot room which wasn't hot today since the storm, so i am thinking maybe when i cleaned my PC i could have incorrectly placed the HS or something around the CPU.

(Used SpeedFan for Temps, Tcase i used Label Temp2 as Temp1 looked 5 degrees higher than Temp2 and Temp3 Lable was -1c which didn't look right)
-Tcase/Tjunction-
--39--/--38--39--

My current Ambient Temp is: 26c (Celsius), which is 78f (Fahrenheit).
But that test was done at 4am.. which is generally much colder than the day, which can reach a temp of 30c+ (86f) in my room.
December 10, 2007 6:49:37 PM

Knaxx said:
Thanks Systemlord,
Will definitely check out some more info on Lapping, btw i did a few more Temp tests and it seems my CPU idles 37-39 constantly.. i did this test in my room with A/C.. (It was also a cold day, rained like hell) and it was no different from my hot room which wasn't hot today since the storm, so i am thinking maybe when i cleaned my PC i could have incorrectly placed the HS or something around the CPU.

(Used SpeedFan for Temps, Tcase i used Label Temp2 as Temp1 looked 5 degrees higher than Temp2 and Temp3 Lable was -1c which didn't look right)
-Tcase/Tjunction-
--39--/--38--39--

My current Ambient Temp is: 26c (Celsius), which is 78f (Fahrenheit).
But that test was done at 4am.. which is generally much colder than the day, which can reach a temp of 30c+ (86f) in my room.


Ok something is wrong here and its a very commen issue with the Intel stock cooler, those Intel HSF's and their four plastic pegs that go in the holes in the mobo are known for popping loose or out of these holes. That I believe is your problem, this happens more than you think as I have heard many times posted about these Intel HSF coming loose which is why I will never use them and would ratherbuy a better HSF that has a different mounting system.

Installing these Intel HSF require you to put great pressure on the mobo to get them on right, most have stated the the amount pressure required to get them in right would make you think that you just cracked your mobo. If you didn't apply that much pressure then that why your temps are the way they are.
December 10, 2007 7:54:31 PM

Well i was reading the Sticky about Core 2 Duo and the quad cores.. CPU Temp and for mine.

E6x00: Tcase Max 60c, B2 Stepping, Tjunction Max 85c, Vcore Default 1.3525, TDP 65w, Delta 15c..

(Core 2 Duo E6600, B2 Stepping is my CPU)

The scale is,
-Tcase/Tjunction-
--60--/--75--75-- Hot
--55--/--70--70-- Warm
--50--/--65--65-- Safe
--25--/--40--40-- Cool

Im in the cool zone for both cores.. being under 40 for my CPU (B2 Stepping which i read is generally hotter than G0 Stepping).

My case temp is terrible though, 25 is the general scale there for cool.. but im sitting at 40 which is safe but not good..

I might do what you said and check today if the HSF pegs are in correctly also just like to note.. there is a small dint on the side of the case that the bottom of the motherboard faces.. i made the dint awhile back on accident, i might go ahead and take that side of the case off and see if i get better temps.. incase its rubbing on the Mobo or something.
December 10, 2007 9:14:39 PM

systemlord, I just took the HSF off and plugged it back in making sure all the holes are in correctly.

Right now with the case off, im getting:
-Tcase/Tjunction-
--34--/--34--35--

And the Ambient is about 27c.
I think either removing the case had made it run.. better than it was earlier or you were right and one of the plugs were incorrectly placed.. because one was hard to undo.. and kept making a click sound almost like a thread had been shredded (FOS).

Thanks,
Knaxx.

EDIT:
I noticed that for some reason my fans are running slow.. although i turned off "SmartFan Control" in bios".. im getting 1622 RPM.. insted of 2400+ RPM, any idea whats wrong? Smartfan is off.. only thing i could think of that would slow it down.

Just put the case back on and the Temp raised about 10c now idles at 44c on both cores.. so maybe its just too hot in my room and i need to either wait for winter and/or buy a new HSF.
December 11, 2007 7:15:09 AM

Knaxx said:
systemlord, I just took the HSF off and plugged it back in making sure all the holes are in correctly.

Right now with the case off, im getting:
-Tcase/Tjunction-
--34--/--34--35--

And the Ambient is about 27c.
I think either removing the case had made it run.. better than it was earlier or you were right and one of the plugs were incorrectly placed.. because one was hard to undo.. and kept making a click sound almost like a thread had been shredded (FOS).

Thanks,
Knaxx.

EDIT:
I noticed that for some reason my fans are running slow.. although i turned off "SmartFan Control" in bios".. im getting 1622 RPM.. insted of 2400+ RPM, any idea whats wrong? Smartfan is off.. only thing i could think of that would slow it down.

Just put the case back on and the Temp raised about 10c now idles at 44c on both cores.. so maybe its just too hot in my room and i need to either wait for winter and/or buy a new HSF.

December 11, 2007 7:23:43 AM

Knaxx said:
systemlord, I just took the HSF off and plugged it back in making sure all the holes are in correctly.

Right now with the case off, im getting:
-Tcase/Tjunction-
--34--/--34--35--

Just put the case back on and the Temp raised about 10c now idles at 44c on both cores.


Your temps of 34-35C core temp seen very good and normal, but when you put it back into your PC case your core temps went up 10C. That right there tells you what your heat problem is, your PC case is not good enough for your cooling needs. Those temps above are very good for using the stock cooler! Can you get your hands on an Antec 900 PC case? The Antec 900 is one of the best PC cases for heavy gaming and cost here in the states around $100 dollars.
December 11, 2007 7:30:45 AM

ANTEC NINE HUNDRED? if so its worth $ 199 here in Australia, but anyway could you look over my new topic please mate.

I am having troubles now.. i put in a new 8800GT video card.. the temps are higher than before.. even with the case off.. even lowered the Vcore voltage on the CPU so my idle temp wasn't like 50-55.
-Tcase/Tjunction-
--44--/--42--43--

Thread/Topic Link:
http://www.tomshardware.com/forum/246951-28-overheating...

If you could overlook this forum when not busy, id appreshiate it.

Thanks,
Knaxx.
!