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I think my 1100t hates me (overclocking troubles)

post #1 of 36
Thread Starter 
Hello members of Overclock,
I'm hear to ask for any advice on solving a problem with my computer overclock build.

My Goal: To reach a 4.0 stable clock speed, or at least a 3.9 at the very least. . . I'm really trying for a 4.0 though. Neither of which I am able to get.

My parts:
(Listed in my sig as First Build)

What I have tried:
Overclocking over a few weekends trying out different settings with my motherboard. At first, I tried only upping my multiplier to make it 4.0, then 3.9 after that failed. The vcore ranged anywhere from 1.45v-1.55v to attempt a stable Prime95 run. It always failed.
So then I tried to change it out at raise the FSB and lower the multiplier while lowering the northbridge to keep it around 2,000MHz.
This did not work-- I also made sure to keep the HT around 2,000MHz and making sure my ram voltage didn't go beyond 1.65 (Tried it at both 1.5, and 1.65). After all of that failed at 3.9gHz for my clock speed, I attempted to raise the NB clock to 2,400 and 2,600 (While raising the voltage so somewhere between (1.23v-1.30v). Again, this did not work. . .

I usually set my speeds and voltages under my mobo, then if I booted and prime didn't work, I'd use my motherboard's OC tuner utility to change the speeds within windows so I didn't need to reboot. It worked quicker unless I crashed. Which didn't happen often though.

My temps are all extremely stable. On my prime95 runs, I never (When the vcore was below 1.50v) went above 48C.

The problem in Prime95 is that I'm always getting rounding errors. (Each message from a separate OC test.)
"[Worker #6 Nov 14 21:35] FATAL ERROR: Rounding was 0.5, expected less than 0.4"
"[Worker #6 Nov 14 21:36] FATAL ERROR: Rounding was 0.5, expected less than 0.4"
"[Worker #5 Nov 14 21:37] FATAL ERROR: Rounding was 0.5, expected less than 0.4"
These usually happen anywhere from 1-4 minutes into the prime95 test. There was ONE time that I got it to go 45 mins at 3.80gHz before getting the rounding error.

I was beginning to think it was a problem with Prime95, so I ran intel's burn test. It didn't fair much better in that testing. It failed it too after one or two runs.

Please, what in all things peaceful have I done to make my X6 1100T hate me so much!? sadsmiley.gif

Is my chip that bad? Or am I missing something really big on the OC settings?

EDIT: Link to my ram in case it helps with it. http://www.newegg.com/Product/Product.aspx?Item=N82E16820231428
.... What I just realized is that my ram is only rated for 1.5V.... I swear it was 1.65v.... I'm going to try some more settings with the lower ram voltage. I feel like this was a bad plunder on my part.

Nope. That still caused rounding errors, even with the lower voltage on the ram, and changing its speeds.
Edited by GvKSkk - 11/15/11 at 3:23am
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post #2 of 36
Rounding errors are memory related I think.

Tried loosening timings?

or you may have to reduce Mhz also (underclock the RAM)

There's no problem using prime95 keep testing on blends
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post #3 of 36
First of all.. your CPU-NB @ 1.8v?!?!?! are you mad?! It is rated at a max of 1.5v. Even then, you shouldn't need more than 1.35v to obtain 3000MHz.

Second, download HWMonitor and monitor your under load voltages for the processor. Your motherboard may have voltage drop causing the voltage to drop under load & make it unstable. If this is the case, you will need to compensate for the drop in the bios. Either with a feature called "LLC" (Load Line Calibration) or by manually setting the voltage higher to compensate for drop under load.

After you have checked the above ^

I would try a simple

250 FSB, 16x multipler combination along with something such as 2600MHz CPU-NB with 1.25v on the CPU-NB.

Then, make sure the following are disabled:

C1E
Cool & Quiet
Turbo Core Technology

And after that.. I would make sure ALL voltages are manually set instead of set to "auto" and then you can begin trying voltages for 4GHz. I would start with 1.38v and work your way up. It should NOT take 1.5v or more to reach 4GHz.

Make sure your HTT (HyperTransport) is kept as close to 2000MHz as possible.

Also, as the other poster above me has already mentioned.. you can also try loosening your RAM timings.
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post #4 of 36
trying to reach 3.8-4.0 with only 2ghz nb.. will also cause you to fail since its moving so slow compared to the clockspeed.. Try Increasing NB Speeds and see if it auto stablizes...
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post #5 of 36
Thread Starter 
Quote:
Originally Posted by iinversion View Post

First of all.. your CPU-NB @ 1.8v?!?!?! are you mad?! It is rated at a max of 1.5v. Even then, you shouldn't need more than 1.35v to obtain 3000MHz.
Second, download HWMonitor and monitor your under load voltages for the processor. Your motherboard may have voltage drop causing the voltage to drop under load & make it unstable. If this is the case, you will need to compensate for the drop in the bios. Either with a feature called "LLC" (Load Line Calibration) or by manually setting the voltage higher to compensate for drop under load.
After you have checked the above ^
I would try a simple
250 FSB, 16x multipler combination along with something such as 2600MHz CPU-NB with 1.25v on the CPU-NB.
Then, make sure the following are disabled:
C1E
Cool & Quiet
Turbo Core Technology
And after that.. I would make sure ALL voltages are manually set instead of set to "auto" and then you can begin trying voltages for 4GHz. I would start with 1.38v and work your way up. It should NOT take 1.5v or more to reach 4GHz.
Make sure your HTT (HyperTransport) is kept as close to 2000MHz as possible.
Also, as the other poster above me has already mentioned.. you can also try loosening your RAM timings.

Sorry, typo in the first post. That was actually supposed to be 1.23v-1.4v. I'll try changing my ram timings and speed and see if that helps.
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post #6 of 36
As suggested, make sure you disable C1E, TurboCore/Boost and Cool and quiet. In addition, disable Spread Spectrum.

Cpu-NB voltage 1.3v
CPU-NB 2600

CPU voltage 1.47 or 1.49v
CPU multi 200x19.5=3900

RAM settings, put them to default manually not auto. Give one step more voltage than default.

If those don't work, you may have to start slowly from less speed.

If nothing works, try with only 1 ram stick.

If nothing works biggrin.gif Try lower density rams like 2gb per stick. I think large rams are prone to instability more.

PS: I can do 1.49v 3.9ghz on my chip, which is actually not that good but the board is very old. Bottom line, your board should do better.
Edited by Catscratch - 11/15/11 at 3:43am
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post #7 of 36
Im not an expert and i dont know if this helps but this is my setup.
http://valid.canardpc.com/show_oc.php?id=2098132
496
post #8 of 36
Quote:
Originally Posted by nvrsobeer View Post

Im not an expert and i dont know if this helps but this is my setup.
http://valid.canardpc.com/show_oc.php?id=2098132 /snip

I'm noticing you are doing more posting of a really high clock speed then attempting to help some one with advice for settings.

On a side note I would love to see the results of your 4.5ghz Thuban with some benchmarks in another thread. biggrin.gif


To OP:
For the moment set your ram to 1333 mode and use JEDEC timing (auto) then move for 4ghz with your CPU-NB at 2.6ghz at least.

For now, try setting your CPU-V to 1.45, your CPU-NB to 1.35 CPU Multi to x20, NB Multi to x13, and make sure the HT Link is set to x10.

See if that is stable, and if it is we will work on ram.
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post #9 of 36
Thread Starter 
Quote:
Originally Posted by Lordred View Post

I'm noticing you are doing more posting of a really high clock speed then attempting to help some one with advice for settings.
On a side note I would love to see the results of your 4.5ghz Thuban with some benchmarks in another thread. biggrin.gif
To OP:
For the moment set your ram to 1333 mode and use JEDEC timing (auto) then move for 4ghz with your CPU-NB at 2.6ghz at least.
For now, try setting your CPU-V to 1.45, your CPU-NB to 1.35 CPU Multi to x20, NB Multi to x13, and make sure the HT Link is set to x10.
See if that is stable, and if it is we will work on ram.

This did not work. Prime95 shot me the same rounding error after 20 or so seconds. Tested at 3.9GHz. I just windows memory diagnostics tool to see if there is a problem with my ram. There was none. I tried it at a lower speed(533Hz). It failed. I tried it at the lowest ram speed (400MHz). It also failed. I will try to loosen the timings now.
Annnndd 10-10-10-24 2T still failed me.. at the lowest ram speed, with a manual voltage control of 1.5V.
Edited by GvKSkk - 11/15/11 at 1:13pm
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My first build
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1x Crucial M4 128GB 2x Samsung Spinpoint F3 1TB ASUS DRW-24B1ST Windows 7 (64bit) HANNspree 21.5" 1080p 
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post #10 of 36
Thread Starter 
Memtest86+ showed no errors after a pass.
Also tried 9-10-9-28 2T (suggested timing under newegg reviews of my ram) @ 1.51V & 1.50V @ 1033HTz. No dice.
Any other suggestions? Seems like if it were broken, windows memory diagnostics or Memtest would have caught it, but they found no errors.

EDIT: Upped my VCore from 1.475V to 1.5V. Did not help.

DOUBLE EDIT: I now upped my NB-Voltage from 1.35 to 1.3625, upped my NB Voltage to 1.250, and it has made it through the 4th test on all 6 cores without failing y.... it just failed one worker.... rounding error. Will try again with higher NB V.

Why bother... triple edit: Failed after Test 2. Same error as before.

And of course, I set it back down to 3.8 with only the multiplier, vcore, NB-V and NB speed changed, and I have no problems.
Edited by GvKSkk - 11/15/11 at 2:56pm
My first build
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AMD Phenom II X6 1100T ASRock 890FX Deluxe4 Gigabyte HD 6850 G.SKILL Ripjaws X Series 8GB (2 x 4GB) 
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1x Crucial M4 128GB 2x Samsung Spinpoint F3 1TB ASUS DRW-24B1ST Windows 7 (64bit) HANNspree 21.5" 1080p 
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My first build
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AMD Phenom II X6 1100T ASRock 890FX Deluxe4 Gigabyte HD 6850 G.SKILL Ripjaws X Series 8GB (2 x 4GB) 
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1x Crucial M4 128GB 2x Samsung Spinpoint F3 1TB ASUS DRW-24B1ST Windows 7 (64bit) HANNspree 21.5" 1080p 
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