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q6600 3.0 overclock trouble

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July 23, 2008 3:16:56 AM

I have a problem with my overclocked q6600. Currently its at 3.0 ghz from 2.4. Everything starts up fine but a couple games of mine started crashing and one game even gave me a BSOD after i exited it. What im wondering is if its my q6600 or if it has to do with something else, like my memory or something. Any ideas? Also, STEAM was having problems at start up.


SPECS:
Q6600 OC 3.0ghz
Evga 8800gt 512
Freezer pro 7 Ac
Antec Neopower 550 watt
OCZ Sli Ready DDR2-800
Windows Xp sp2
680i Lt Sli Board

More about : q6600 overclock trouble

July 23, 2008 3:22:48 AM

Oh and i have 2x2gb memory.
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July 23, 2008 5:39:24 AM

Have u only increased the frequency to 3.0GHZ or u have done other things like changing the voltages,......?
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July 23, 2008 6:29:17 AM

Yeah. Download coretemp, tell us your VID. You are going to want to set voltage to your chips VID or higher, then see if that helps.

My Q6600 runs 3ghz without a voltage change (running at VID), 3.2 ghz with a little extra juice. This is on a P45 mobo. I haven't tried any higher yet, but 3ghz should be easy for you, even with that nvidia mobo.
July 23, 2008 6:30:57 AM

Yeah My VID is 1.2500v on core temp.
But in the bios its around 1.37
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July 23, 2008 6:33:50 AM

Grab CPU-Z and make sure the board did not push the memory too hard

http://www.cpuid.com/

Many boards run the memory at its default speeds at stock. then when you push the fsb the memory jumps too. this can lead to the problems you mention.
July 23, 2008 6:50:02 AM

very weird, other im reading it wrong or its messed like you said.

Dram Frequency:400.0 mhz???
FSB:D RAM 7:9

Isnt the fsb:D ram supposed to be 1:1 could this be the problem?
July 23, 2008 6:55:32 AM

if your processor is at 333 bus, and memory at 400, try 1 to 1 and it'll take your memory down in speed. might fix you right up.
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July 23, 2008 6:57:20 AM

Have u lowered the memory frequency to the lowest option? (for example from DDR2 800MHZ to the lowes option availabe?)
July 23, 2008 7:04:51 AM

So what you guys are saying is to reduce the memory speed in bios to 400? Cause right now its at 800
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July 23, 2008 7:05:04 AM

Running out of 1:1 is not always a bad thing. 400 should not be enough to cause instability. What are the timings like.

Are you running 311 and not 333? that would give you those timings

Did you manually set the memory voltage to the manufacturers specs?

There should be an option to get 1:1 in the bios. it may be worth at least trying for testing to eliminate that as a problem.

Running out of 1:1 is not always a issue
July 23, 2008 7:12:44 AM

ya i underclocked it to 2.8ghz and it seems to be running fine. But at 333 its starts to mess up. No i didnt set the memory voltage its at auto right now. So i should go back into bios and set it back to 333 bus speed and set it to 1:1?
July 23, 2008 7:31:04 AM

Ok, so i went into Bios. Changed the Bus speed to 333 and changed it from unlinked to link and set it to 1:1
However when i saved and exited it didnt say 3.0 ghz on the startup page but 2.4 stock speed. the FSB was also set at 1067 instead of 1333 on the start up page? any ideas?
July 23, 2008 7:33:00 AM

yea i would try that. set 333 fsb. and ram to 667mhz. that should be 1:1. if i were you, i would try to set voltages on auto for now, to see if your computer runs stable first on auto voltages. if you stop getting BSODS, then you could manual set your voltages to what you want. although auto voltage sets your voltage higher than what you need to for OC-ing, it still should be within the safe limits of your processor, the temps will just be a little big higher, but tolerable. make sure all the settings are correct, such as C1E and EIST are OFF. good luck, report back to us on how your comp runs.
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July 23, 2008 7:37:37 AM

Thats right,set it too 667mhz and it will be 1:1,but dont set the voltages to auto,setting to auto may cause instability.
July 23, 2008 7:42:43 AM

Maziar said:
Thats right,set it too 667mhz and it will be 1:1,but dont set the voltages to auto,setting to auto may cause instability.


i just wanted your opinion, but are you sure? there are a lot of voltages that may require tweaking in OC-ing. the CPU voltage, DDR2 voltage, NB/SB voltage...etc etc and any of those that are insufficient, you would probably get a BSOD.

i was suggesting auto voltages just for now, to see if he gets any more BSOD's, cuz if he did, that would mean he messed up the manual voltages somewhere. although auto voltages are often time overestimated, they still fall within the safe range of the computer hardware. i do agree with you that if he can, he shouldn't leave on auto voltages, but for now this is just to narrow down the variables of what is causing his comp to bsod.
July 23, 2008 7:55:55 AM

Ok aznguy i did what you said and so far its all good. Games are running fine no blue screens of death and my cpu temp is about 29C
voltages on auto. But ive noticed in crysis that there were some choppy buggy stuff that werent there before. I want my cpu at 3.0 but do i have to sacrifice my memory speed to do it?
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July 23, 2008 8:01:34 AM

aznguy0028 said:
i just wanted your opinion, but are you sure? there are a lot of voltages that may require tweaking in OC-ing. the CPU voltage, DDR2 voltage, NB/SB voltage...etc etc and any of those that are insufficient, you would probably get a BSOD.

i was suggesting auto voltages just for now, to see if he gets any more BSOD's, cuz if he did, that would mean he messed up the manual voltages somewhere. although auto voltages are often time overestimated, they still fall within the safe range of the computer hardware. i do agree with you that if he can, he shouldn't leave on auto voltages, but for now this is just to narrow down the variables of what is causing his comp to bsod.


No,u dont need to set all voltages,many of them should be Auto,but some of them like Memory voltage and CPU voltage should be changed for getting better results.
July 23, 2008 8:05:08 AM

ahh okai...i see what you mean now, okai i agree with that.
July 23, 2008 8:08:14 AM

i think the best thing for your cooler is to use multiplier 8x and up the FSB to 375 with 1:1 memory multiplier. and up the memory and vcore up 1 notch each and it should be fine, and stay with your 4-4-4-10 timing. 3.2Ghz will be very hard on the cooler. if its lapped then 3.2Ghz might be possible.but unlapped CPU and cooler i might call it impossible.

can you give me your prime95 25.6 small FFTs load temp?
July 23, 2008 8:15:06 AM

hmmm ill try it, and youll have to forgive me im not so into the overclocking thing. So what are prime95 25.6 small FFTs load temp exactly?
July 23, 2008 8:18:59 AM

download a software called Prime95 v25.6 and one of the function in there is called Small FFTs and it will load your processor at 100%(full load) and record the maximum temperature achieved. the MAX MAX safe temperature for the Q6600 is 70C!!!NO HIGHER!
July 23, 2008 8:28:30 AM

Ok so i set my fsb to 375 and put it on 1:1. My Results starting up were good. And my temps right now for my cpu is 40C. Is that good?
my memory frequency went up from 400 in Cpuz to 533. and i set my voltages to 1.47 vcore and memory at 2.1v. i did the prime95 and my multiple cores got up to 74C
and my Cpu got up to 64C. is that too high?
July 23, 2008 8:31:33 AM

yes that is bad. you dont need that high vcore for that speed. can you post a screenshot of CPU-Z showing the 1st tab and the memory tab for me?
July 23, 2008 8:48:51 AM



There you go
July 23, 2008 8:55:09 AM

alright go into the BIOS and select 1:1 memory multiplier and lower the Vcore to 1.37V. and load up prime small ffts for 15mins and make a screenshot showing all the above plus coretemp before shutting the program down.can you do that?
July 23, 2008 8:57:18 AM

yeah gimme a few minutes
July 23, 2008 8:57:52 AM

maziar OCCT doesnt stress the CPU as much as prime95 do. and also when comes to stress memory no software stress more memory then prime95.
July 23, 2008 9:12:41 AM

Sorry i forgot about the p95 program i did it before i read your reply.


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July 23, 2008 9:18:06 AM

P95 stresses CPU more than OCCT? and how about "Orthos"?
Also for RAM,isn't memtest the best app to test?
July 23, 2008 9:29:42 AM

iluvgillgill said:
i think the best thing for your cooler is to use multiplier 8x and up the FSB to 375 with 1:1 memory multiplier. and up the memory and vcore up 1 notch each and it should be fine, and stay with your 4-4-4-10 timing. 3.2Ghz will be very hard on the cooler. if its lapped then 3.2Ghz might be possible.but unlapped CPU and cooler i might call it impossible.

can you give me your prime95 25.6 small FFTs load temp?


iluv, one question... why did you suggest 375 fsb? and a lower multiplier? if my guess is correct, a higher fsb and lower multiplier can sometimes be more stable than a lower FSB and higher multiplier right?

an additional note, dont' u think his timings are too aggressive? why not leave it 4-4-4-12? he's trying to not get BSODS, and you should only work on as few variables at once so you could target and figure out which variable is giving you BSODS. just wanted your thought thats all. :) 
July 23, 2008 9:32:27 AM

orthos is only 2 threaded so if stressing a quad core then you will need to open 2 copies of orthos and manually assign affinity to core 0,1 and core 3,4. in p95 you can easily put in how many MB of ram you want to test rather then other problem what size the FFT is. memtest i think is the best to test bad ram module.

blend test in P95 can stress all core and all the ram at the same time hence the whole system including the northbridge where data is transfering between the CPU and the Ram throught the FSB(NB).
July 23, 2008 9:37:20 AM

aznguy0028 said:
iluv, one question... why did you suggest 375 fsb? and a lower multiplier? if my guess is correct, a higher fsb and lower multiplier can sometimes be more stable than a lower FSB and higher multiplier right?

an additional note, dont' u think his timings are too aggressive? why not leave it 4-4-4-12? he's trying to not get BSODS, and you should only work on as few variables at once so you could target and figure out which variable is giving you BSODS. just wanted your thought thats all. :) 


the reason i ask him to pick lower multiplier so he can get higher FSB overall which will bring bigger performance gain in the memory subsystem.

his timing is ok i think be cause 4-4-4-10 with 2.1V and less then 800mhz if he did listen to what i ask him to do which will only bring him 750mhz. most ddr2-800 can do 4-4-4-12 with 2V so its logic sense that lower ram speed can just lower the timing further along with the increase voltage he chose. right?

just want you to know that mobo can sometimes have FSB hole where the system wouldnt boot at certain speed no matter what. that cant be fixed so the only way around it is to select a lower FSB or higher FSB. but you need to look after the capability of the CPU so you will have to select a lower system multiplier to get a higher working FSB to achieve the same CPU speed.
July 23, 2008 9:39:47 AM

OP i think your cooler is not good enough to do 3.2Ghz i think you should just stick with 375x8=3Ghz. you will see much lower temperature with that slightly lower clock speed.

i stress myself again, 70C from the core is the max you should go.any higher you wont fry your CPU but it will cause a bigger damamge in a long term.did you decrease the vcore to 1.37V?
July 23, 2008 9:51:04 AM

iluvgillgill said:
the reason i ask him to pick lower multiplier so he can get higher FSB overall which will bring bigger performance gain in the memory subsystem.

his timing is ok i think be cause 4-4-4-10 with 2.1V and less then 800mhz if he did listen to what i ask him to do which will only bring him 750mhz. most ddr2-800 can do 4-4-4-12 with 2V so its logic sense that lower ram speed can just lower the timing further along with the increase voltage he chose. right?

just want you to know that mobo can sometimes have FSB hole where the system wouldnt boot at certain speed no matter what. that cant be fixed so the only way around it is to select a lower FSB or higher FSB. but you need to look after the capability of the CPU so you will have to select a lower system multiplier to get a higher working FSB to achieve the same CPU speed.


yar i was thinking of the FSB hole thing too...i wasn't sure about it in this case because it's a 3.0ghz OC and not something so extreme, but thanks for clarifying :) 
July 23, 2008 9:55:01 AM

:) 

but what my main purpose of telling him the lower multiplier is since his CPU is not capable of 3.2Ghz with that cooler. might as well try to get a higher FSB so the overall system and memory speed will be greater and that will offset some of the performance gap between 3Ghz and 3.2Ghz.
July 23, 2008 10:23:14 AM

what voltages should i put for 3ghz on 8x multiplier?
July 23, 2008 11:15:34 AM

i would try 1.35v vcore 1st and small ffts for 12 hours if no fail then lower 1 more notch. what load temp you got now?
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July 23, 2008 11:48:06 AM

iluvgillgill said:
orthos is only 2 threaded so if stressing a quad core then you will need to open 2 copies of orthos and manually assign affinity to core 0,1 and core 3,4. in p95 you can easily put in how many MB of ram you want to test rather then other problem what size the FFT is. memtest i think is the best to test bad ram module.

blend test in P95 can stress all core and all the ram at the same time hence the whole system including the northbridge where data is transfering between the CPU and the Ram throught the FSB(NB).


Ok,thanks for clearing it up :) 

But for "Only" RAM test,its better to use Memtest right ?
July 23, 2008 12:01:30 PM

Okay ive done a little tweeking around of my own, and i set the multiplier to 8x and to 3.2 ghz and 800 mhz Memory speed. so 1:1 ratio. heres some images.


July 23, 2008 3:13:51 PM

*ahem*where is the load temp?screenshot of CPU-Z means nothing if there is nothing showing its load temp. because stability and temperature is far more important then the actual speed. thats the reason why there is a thing call HSF/Cooler out there.
July 23, 2008 5:36:43 PM

turns out the last setup was unstable this morning so i changed the multiplier back to 9X and set to fsb to 1422 and the memory underclocked to 711
so far its stable under a few games, ill have a load test up in a few.
July 23, 2008 6:39:52 PM




Had to underclock to 3.0ghz but it seems stable
July 23, 2008 6:42:27 PM

so you cant get 375x8, ram 1:1 working at all?no matter how much vcore you give it?
July 23, 2008 6:43:44 PM

and why is your screenshot so small?cant you make it at leave 1024x768? its really really hard to read it.
July 23, 2008 6:50:57 PM

the 8x was giving me a lot of problems, i tweaked the vcore around but i would either not start up or fail the stress test.

sorry bout the size

July 23, 2008 7:03:50 PM

are you happy with 3Ghz. the 680i/650i chipset is well know to not OC well with Intel's quad core. and 3Ghz is about where most stop at. you can tryy increase everything further for a final push.

going to sleep now 99...zzzZZZ
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