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Q6600 Overclock Seems To Cause 3DMark06 To Crash

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June 29, 2008 9:19:52 PM

I overclocked my Q6600 to 3.0 Ghz and had problems so I just backed it down to 2.75 and all was well until I tried to run 3DMark06 at a 1680 x 1050 resolution with anti-aliasing at 8. I had my 8800 GTS video card overclocked to 675 core and 1020 memory so I thought that might be the problem. But after I underclocked my cpu back to stock 3DMark worked even with the overclocked vid card. The problem I get is my comp crashes with a big blue screen with this text appearing in the top left corner:

*** Hardware Malfunction

Call your hardware vendor for support

*** The system has halted ***

The thing is that I can run normally with my CPU modestly overclocked to 2.75 but I really wanna use 3DMark06 with it overclocked. Any help would be greatly appreciated!
June 29, 2008 9:32:21 PM

It would help if you list your complete specs including your PSU model.
June 29, 2008 9:37:47 PM

More voltage required.
Related resources
June 29, 2008 9:44:27 PM

Q6600 at 2.75Ghz dont need a voltage increase. i think its his vid card OC is not stable.
June 29, 2008 9:44:56 PM

is that the new 512MB GTS? or is that the old 320/640MB 8800GTS?
a b à CPUs
June 29, 2008 9:46:10 PM

and don't forget memtest86+ to really test those rams you got, some 12 hours without errors is usually good enough.
June 29, 2008 9:48:13 PM

OP i think its best for all of use if you post 3X CPU-Z screenie showing the 1st,3rd,4th page.

good luck.

oh and GPU-Z as well!!!:) 
June 29, 2008 9:51:37 PM

dagger said:
Did you forget to bump up vcore while ocing that cpu?
Also, stress with Prime95 for at least a few hours. It's not good to find out about instability while actually using your PC.
http://files.extremeoverclocking.com/file.php?f=103
A 3G OC on a Q6600 shouldn't need more voltage. I have mine at 3G and I lowered my Vcore from a VID (stock Vcore) of 1.3 to 1.275.

I guess no specs.

Did you lock the PCIe to 100-105. If you locked it to 100, then try 101.
June 29, 2008 9:53:17 PM

Vcore and VID are two totally different things
June 29, 2008 10:04:41 PM

PSU is a Silverstone 680 Watt Zeus Model

Crucial Ballistix Memory is 2 1GB sticks that are running at 667 (standard for this memory) when my CPU is overclocked to 3.0 Ghz (Sync Mode)

MOBO is a P5N-E SLi I believe 650i chipset?

And I left voltage at auto cause like other people have said: an overclock up to 2.75 shouldn't be enough to do so. my VID is 1.3250 And I have a vdroop of about .1 V if i remember correctly

Also, I can run 3DMark06 with my vid card overclocked but with the CPU at stock. So i'm doubting it's the video card.
June 29, 2008 10:19:19 PM

starwars120 said:
PSU is a Silverstone 680 Watt Zeus Model

Crucial Ballistix Memory is 2 1GB sticks that are running at 667 (standard for this memory) when my CPU is overclocked to 3.0 Ghz (Sync Mode)

MOBO is a P5N-E SLi I believe 650i chipset?

And I left voltage at auto cause like other people have said: an overclock up to 2.75 shouldn't be enough to do so. my VID is 1.3250 And I have a vdroop of about .1 V if i remember correctly

Also, I can run 3DMark06 with my vid card overclocked but with the CPU at stock. So i'm doubting it's the video card.

If it's 650i, then it's the motherboard bottlenecking. Nothing you can do except getting a new one.
June 29, 2008 10:25:23 PM

are you sure? Nonetheless I was thinking of buying another mobo, but in a while since I just dropped another $160 on my comp about 5 mins ago :p  I was suspecting it could be the motherboard, if so what would you guys recommend for an SLI system (although it doesn't HAVE to be, but it would be nice, if you could refer me to both sli and non-sli q6600 overclockers that would be great).
June 29, 2008 10:29:50 PM

Just run stock.
June 29, 2008 10:31:26 PM

fjabad said:
Vcore and VID are two totally different things
What?

VID is the Vcore that is chosen by Intel and, I believe, saved in the MSR. That's why I said VID instead of stock Vcore.

From Intel's site.
Quote:
VID Voltage Range: The voltage range set by the VID signals as a reference to the VR output voltage to be delivered to the processor Vcc pins.


I'll go back and add (stock Vcore) for you. Feel better?
June 29, 2008 10:38:51 PM

Someone answer why my VID changes in Core Temp? It's low on idle, but when I use Firefox or open iTunes the VID gets higher.
June 29, 2008 10:41:39 PM

pcgamer12 said:
Someone answer why my VID changes in Core Temp? It's low on idle, but when I use Firefox or open iTunes the VID gets higher.



ROFL... :na: 

VID can't possibly change. It's probably just a glitch in Core Temp.
June 29, 2008 10:43:29 PM

pcgamer12 said:
Just run stock.


Ummm, I'm in the overclocking forums and like I said I was looking for new mobos anyways sooo....
June 29, 2008 10:45:10 PM

they need to update core temp. bad vid readings for e4600.
June 29, 2008 10:46:02 PM

Are you sure you don't mean voltage in CPU-Z?
June 29, 2008 10:54:32 PM

starwars120, did you lock the PCIe to 100?

I would OC to 3G and run Prime 95 for an hour or so and boot to memtest86+ and test the RAM. Do this to see if it is the OC alone or how the OC is affecting the card.

Those SLI mobos don't seem to be as stable as the P35/P45 mobos.
June 29, 2008 11:00:30 PM

Zorg said:
Are you sure you don't mean voltage in CPU-Z?

It can't be. CPUZ only shows current vcore, not VID. He specifically said VID.
June 29, 2008 11:05:00 PM

Well I haven't ever seen the VID change in Core Temp so I'm assuming that he got them mixed up. I believe it is stored in the MSR.

Dagger, put the dagger away. :lol: 
June 29, 2008 11:06:47 PM

Yeah, it's VID from Core Temp, Real Temp changes sometimes too. CPU-Z Vcore changes as well, but that's normal. Lupi told me it's going to be fixed with next Core Temp update.
June 29, 2008 11:21:14 PM

Zorg said:
starwars120, did you lock the PCIe to 100?

I would OC to 3G and run Prime 95 for an hour or so and boot to memtest86+ and test the RAM. Do this to see if it is the OC alone or how the OC is affecting the card.

Those SLI mobos don't seem to be as stable as the P35/P45 mobos.


Yeah PCIe is at 100Mhz last I checked. And as for Memtest I can just make an iso image right? No floppy disk on me anymore :( 
June 29, 2008 11:29:26 PM

Download Ultimate Boot CD it has memtest86+ and some other HD wiping tools etc. You will need to burn the ISO to CD with ISO Recorder v 2 or other ISO burning software.
June 29, 2008 11:34:19 PM

the CPU should survive on that mobo OC above 3Ghz. its the grapgics

the vid change is because the speedstep and C1E feature on the mobo that underclocks the CPU to a lower speed and applied lower voltage.
June 29, 2008 11:45:33 PM

iluvgillgill said:
the vid change is because the speedstep and C1E feature on the mobo that underclocks the CPU to a lower speed and applied lower voltage.
I believe that the VID is stored in the MSR (Model Specific Register) and doesn't change. It's read from the MSR by Core Temp etc.
June 29, 2008 11:52:19 PM

you cant change VID but it does change in coretemp if C1E or speedstep is enable in BIOS.

i think you should read my post again.
June 29, 2008 11:55:25 PM

Turn off all your power saving features. You never want the system screwing with your voltages when overclocking.
June 30, 2008 1:24:21 AM

Ok overclocked to 3.0ghz and tested with prime95 no problem, burning disk now and will try using memtest.
June 30, 2008 2:23:19 AM

memtest went by just fine, gonna try 3DMark06 at 3.0 Ghz with vid card at stock
June 30, 2008 2:32:59 AM

well, turns out I'm pretty sure it was just the dual monitors I had that was screwing with it. 3DMark06 Worked fine when I set it to single monitors with both the CPU and GPU overclocked. Thanks for all the help guys. Let's hope it stays fixed *fingers crossed*
June 30, 2008 2:36:08 AM

It should be good, but how long did you run prime95 small ffts?
June 30, 2008 3:30:32 AM

I ran it for an hour but tonight I might just go ahead and run the small ffts till morning because after I saw 3DMark06 go alright I feel like it should be ok now that I got it all sorted out.
June 30, 2008 3:31:03 AM

what are the load temp?
June 30, 2008 3:44:01 AM

load temps hit 57 max
June 30, 2008 3:55:50 AM

iluvgillgill said:
you cant change VID but it does change in coretemp if C1E or speedstep is enable in BIOS.

i think you should read my post again.
Ok I took an in depth look at this and ran some tests. According to Unclewebb whether or not the VID changes may be dependent on the mobo.

All tests were performed on a GA-P35-DQ6 with a Q6600.

Anyway, here is the situation as far as I can tell. The CPU has multiple VIDs depending on what power state it's in. It appears that the reporting of Core Temp and Real Temp will show the lower VIDs only if EIST is enabled in the BIOS and one of the power saving choices is selected in the power settings in control panel. The CPU clock needs to be at stock and Vcore on auto. Otherwise the VID won't change with the load. If you are using C1E only, you will see the VID max, it won't change with load.
pcgamer12 said:
Yeah, it's VID from Core Temp, Real Temp changes sometimes too. CPU-Z Vcore changes as well, but that's normal. Lupi told me it's going to be fixed with next Core Temp update.
I got the feeling from reading the posts by Unclewebb that he didn't consider it broken. The posts I read were a little older so maybe he changed his mind, I don't know. It's not a problem as long as you know that you need to disable EIST to get VID max, a.k.a. the VID that everyone should be quoting and probably aren't.

Ah, wrong guy, you said Core Temp not Real Temp.

As I said the tests I did were on a DQ6 but I suspect other mobos are similar. If anyone has other results, feel free to post them.


June 30, 2008 4:04:23 AM

starwars120 said:
well, turns out I'm pretty sure it was just the dual monitors I had that was screwing with it. 3DMark06 Worked fine when I set it to single monitors with both the CPU and GPU overclocked. Thanks for all the help guys. Let's hope it stays fixed *fingers crossed*
Happy to see you got it worked out. I didn't see anywhere that you mentioned the little tidbit about the dual monitors. You probably would have gotten ten posts to turn that off in the beginning.
August 17, 2008 3:38:17 AM

did the OP prime/orthos test his system when OC'd to 2.75 or w/e it was?
!