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Not stable at 3.6GHZ, Core 2 Quad Q9650

post #1 of 13
Thread Starter 
The only thing that is not listed in my system information is my CPU cooler which is a ZEROtherm Nirvana NV120. My Q9650 Blue screened at 1Hr and 55min with IRQL_NOT_LESS_OR_EQUAL while running OCCT. STOP: 0X0000000A

My CPU is running on a Gigabyte GA-EP45-UD3L motherboard. Here are my BIOS settings as of right now.

Robust Graphics Booster: Auto

CPU Clock Ratio:9X

Fine CPU Clock Ratio: [+0.0]

CPU Frequency: 3.60Ghz (400*9)

CPU Host Clock Control: Enabled

CPU Host Frequency (Mhz): [400]

PCI Express Frequency (Mhz): [Auto]

C.I.A.2: Disabled

Performance Enhance: Standard

Extreme Memory Profile (X.M.P.): Disabled

(G) MCH Frequency Latch: [Auto]

System Memory Multiplier (SPD): [2.00D]

Memory Frequency (Mhz): To the Left: 1066 To the Right: 800

Memory Timings: 5-5-5-15

Load Line Calibration: Enabled

All Voltages are on Auto except for DRAM voltage which is at [2.00V]

CPU Enhanced Halt (C1E): Disabled

C2/C2E State Support: Disabled

CPU EIST Function: Disabled

CPU Smart Fan Control: Disabled

Bios Temps: System Temp- 32C and CPU Temp- 38-39C

HW Monitor Temps: Current Values are at....Core #0- 36C.....Core #1- 30C....Core #2- 36C....Core #3- 36C
post #2 of 13
I've got a couple of questions for you:

Why did you disable the power saving features ? You don't need to at that speed. You can safely enable C1E and C2E, along with Speedstep. Leave C3 and C4 disabled. You also don't need LLC enabled.

Also enable the CPU smart fan, unless you CPU cooler has some external fan regulation.

What are the load temps at 3.6 Ghz as you have it right now ?

Is the DRAM voltage at 2.0 v set by you ? Is that the factory recommended ?

I can't reboot my computer right now to check that (my motherboard is the EP45-UD3LR), but at what speed is your RAM running ? 1066 or 800 ? It seems to me that given the 2.00D multiplier you're running at 800 Mhz, right ? In that case, lower the voltage to 1.8v; at 5-5-5-15 the RAM should work at SPD voltage just fine.

Also, don't leave the CPU voltage on Auto, motherboard manufacturers normally add unnecessry voltage just to be safe. Try to set it to Normal. There is a good chance your CPU can run at 3.6 Ghz at stock voltage. Mine does (although it is the Q9550 and running at 3.4 Ghz).
 
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post #3 of 13
Thread Starter 
Why don't I need LLC enabled? isn't that supposed to be enabled to help Vdroop control? I want CPU Smart fan disabled because I want my CPU fan running at 100% 24/7 because I like the cool temps. Yes the DRAM is set at 2.00V by me. The factory recommendation is 2.1V but I don't have that voltage setting in BIOS. I'm almost positive it is running at 800 not 1066. To the left it says 1066 and to the right it says 800? I'm not sure what that means but I'm almost positive it is at 800.

Ok I wont leave the CPU voltage on Auto so what changes should I make in the voltage setting area? let me know about specific voltage settings I already know to change my memory voltage from 2.00V to 1.800V. What do you mean set my voltages at normal? I need clarification of specific voltage settings in that area for voltages. I'm not sure what you mean by Normal because I need specific voltage settings for what you wan't me to change certain specific things to.

What do you mean load temps? On HW monitor it says MAX on 4 cores was...52,46,51,52C. I'm pretty sure when I was running OCCT for 1hr 55min the highest my cores went were high 50's nothing more than that.
post #4 of 13
Set DRAM to 800MHz @ 5-5-5-15 timings, with 2.0V

Raise CPU voltage to 1.3V, we can tune this down later.
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post #5 of 13
Thread Starter 
DRAM is at 800Mhz and is at 5-5-5-15, the previous person said 1.8V why now are you saying 2.0V? What is the name of the CPU voltage?
post #6 of 13
Quote:
Originally Posted by Kishkab View Post

Why don't I need LLC enabled? isn't that supposed to be enabled to help Vdroop control? I want CPU Smart fan disabled because I want my CPU fan running at 100% 24/7 because I like the cool temps. Yes the DRAM is set at 2.00V by me. The factory recommendation is 2.1V but I don't have that voltage setting in BIOS. I'm almost positive it is running at 800 not 1066. To the left it says 1066 and to the right it says 800? I'm not sure what that means but I'm almost positive it is at 800.
Ok I wont leave the CPU voltage on Auto so what changes should I make in the voltage setting area? let me know about specific voltage settings I already know to change my memory voltage from 2.00V to 1.800V. What do you mean set my voltages at normal? I need clarification of specific voltage settings in that area for voltages. I'm not sure what you mean by Normal because I need specific voltage settings for what you wan't me to change certain specific things to.
What do you mean load temps? On HW monitor it says MAX on 4 cores was...52,46,51,52C. I'm pretty sure when I was running OCCT for 1hr 55min the highest my cores went were high 50's nothing more than that.

You don't need LLC enabled at that kind of overclock. LLC is useful for extreme overclocks, which is not the case.

Ok, as I said your RAM is most probably running at 800 Mhz. Go to CPUID.com and download CPU-Z and check the "Memory" tab and tell me at what speed it is running. It should say 400 Mhz (DDR means Double Data Rate, so 400 Mhz = 800 Mhz). 1066 Mhz DDR2 usually needs higher volts, but since you're running at 800 Mhz with 5-5-5-15 latencies, which is the SPD stock values too, it should run perfectly at 1.8v. It actually defaults to that on many motherboards since that is the industry standard and all RAM sticks, even if they are high performance, must be compatible with the industry standard so you can boot the PC and then fine tune if you want.

As to CPU Smart fan, it does a pretty good job of keeping the CPU cool; when the CPU is under load it ramps up the fan speed, when the CPU is idling the fan also goes into a lower rpm to lower noise.

When I mentioned CPU voltage on Normal, that is exactly what I meant. You should have an option that says "Normal", that is the same as saying the factory voltage. Leave all other voltages on Automatic. Since you only have the FSB at 1600 Mhz and that motherboard handles that value natively, it has correct values on Auto for everything else besides the CPU and does not exagerate unnecessarily.

Load temps are temperatures your CPU reaches on each core when it is being stressed. If you have 52, 46, 51, 52, you're great!
Edited by tpi2007 - 3/20/12 at 5:41pm
 
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post #7 of 13
Thread Starter 
Ok disable LLC, yes CPUID says 400.4Mhz. Should I really enable CPU Smart fan? I like it at 100% all the time. I honestly don't think I have an option for Normal, and when you are talking about normal you mean changing the CPU VCore to normal? Lastly I'm almost positive my Load temps while running OCCT reached the high 50's on some cores and others where in the mid 50's but nothing more than that.
post #8 of 13
Thread Starter 
Ok so I just disabled LLC, what's the difference between enabled and disabled? I Changed the CPU VCore to Normal....Is this what you meant by changing the CPU voltage? Also why is my memory even running at 800Mhz, it should be running at 1066 is there a reason for this? Also is there any benefit to tightening my timings from 5-5-5-15 to something else any performance benefit? Lastly HWmonitor says current values of cores are 33,30,33,33C wow....that's awesome.
post #9 of 13
Quote:
Originally Posted by Kishkab View Post

Ok disable LLC, yes CPUID says 400.4Mhz. Should I really enable CPU Smart fan? I like it at 100% all the time. I honestly don't think I have an option for Normal, and when you are talking about normal you mean changing the CPU VCore to normal? Lastly I'm almost positive my Load temps while running OCCT reached the high 50's on some cores and others where in the mid 50's but nothing more than that.

Ok, so your RAM is running at 800 Mhz (400 x 2), so 5-5-5-15 at 1.8v is fine.

Yes, you should enable CPU smart fan, it works very well. I know it does, my motherboard is almost exactly the same as yours, the difference being that mine has RAID and yours doesn't.

Are you doing something that makes the CPU run at 100% during the whole day ? If you are, then Smart Fan will increase the CPU fan speed to cool the CPU accordingly, if it is idling you don't need the fan at full speed. Oh, that is also why I told you to enable C1E and C2E and Speedstep so the CPU can throttle when it's idling to save power and reduce heat output. At that overclock you don't need to disable those three things I told you. People normally disable them at extreme overclocks to gain stability; 3.6 Ghz is not an extreme overclock on that CPU.

As to the CPU, yes I mean set the CPU Vcore to "Normal"

Those temperatures are great, anything below 60.º C is great.
 
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post #10 of 13
Thread Starter 
What's the difference between disabling and enabling LLC? So I'm guessing you want me to retest with OCCT now? For how long? Also should I take PCI Express Frequency off of auto and put it at 101 Mhz? someone told me this might even increase further stability? is this true or should I leave it alone?
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