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Prime 95

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August 24, 2011 12:04:24 AM

I've been overclocking and stabilizing all weekend. I have a 1090T and every time I run AMD Overdrive's stability test for an hour it finds no problems.

I can run Prime 95 blend & large fft's tests for a few minutes until worker #5 stops working due to: FATAL ERROR: Rounding was 0.5 expected 0.4 or less.

I've read people posting similar issues a while back on here but none of them had huge success fixing it.

What I am wondering is if I can continue running the torture test with that one worker down or should I stop and fix it first? I upped my RAM voltage from MFG Suggested voltage of 1.5 to 1.6.

I am over clocked from 3.2 to 3.8 can upload screenshots from Overdrive in a little bit.

Just ran blend test for about 2 hours now and it crashed my computer. Will report back with actual BSOD error next time it happens.

Biostar A880G+
Phenom II X6 1090T
2x4gb g.Skill RAM 9-9-9-24 @ 1333
650w Coolermaster PSU
Radeon HD 6850



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a c 138 à CPUs
a c 241 K Overclocking
August 24, 2011 2:36:26 AM

pcenvy88 said:
I've been overclocking and stabilizing all weekend. I have a 1090T and every time I run AMD Overdrive's stability test for an hour it finds no problems.


sorry ... overclock use AMD overdrive in high OC not worth , i don"t recommend use this for High Overclock,
Use Bios for HIGH OC ..
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August 24, 2011 3:16:32 AM

Sorry I meant to add that tidbit. I am OC'ing in BIOS 100%. Just using Overdrive to view actual performance. Also using CPU-Z along with other applications.
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a c 138 à CPUs
a c 241 K Overclocking
August 24, 2011 3:22:57 AM

hmm ... so yes ... and whether it has been stable Prime95 test 4 Hours
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August 24, 2011 4:34:15 AM

@beenthere i read that whole post. actually whole thread. thank you, the information was outstanding and has really helped me understand a lot more. I have pretty much everything he suggests for the 1090T and still i have rounding errors in P95. I have 1.39 core voltage with 210MHz for bus speed. My multiplier is set at 18 getting a cpu speed of 3.78

My HT link speed is at 2100MHz and my ram timings are at 9-9-9-24 @1.5 volts (default RAM settings)

@henydiah thats my problem. I test in 95 and it doesnt last 10 minutes before a worker fails


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a c 138 à CPUs
a c 241 K Overclocking
August 24, 2011 4:44:07 AM

- how can I help fix it ... if you're still using AOD ..? though many will be done in the Bios does not just raise the lower voltage. but need more tweak disabled or enabled
- and what the detail spec system used including brand mobo, psu?
- and the CPU cooler you use ?
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August 24, 2011 5:06:22 AM

Your not reading my posts correctly. I said I am overclocking in the bios. I am just using AOD to monitor performance...

I also previously stated that I have a Biostar A880G+ with AMI bios v.080016 (thats the version reported by cpu-z) It is the second newest BIOS for this board and I rolled back because of problems with the newer version.

I have the stock heatsink on the 1090T because I haven't seen numbers rise over 53 degrees.

My power supply is a 650w cooler master.

Now I am getting hyper transfer sync flood errors (was getting these earlier) if I play a graphic intensive game for too long. I tried setting my FSB back to 200 and lowering the multiplier to 17.

Will check to see if this helps anything out... would like some more advice/suggestions if anyones got any.
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a c 138 à CPUs
a c 241 K Overclocking
August 24, 2011 6:22:20 AM

if you will se peformance use Syssoftsandra / Aida64 it's good and with stock heatsink you can't get 3.5Ghz above ... :D 
i suggest get after market cooler if you want get 4Ghz .. minimum Hyper 212 or other
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August 24, 2011 2:45:41 PM

Cooling is not my problem.... I've ran at 3.8 ghz for full load for a few hours straight at 50 degrees.

Can anyone else help me out with what I need. I went all the way back to Optimal defaults to start over and after few hours of gameplay I still get hyper transfer error
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a c 138 à CPUs
a c 241 K Overclocking
August 24, 2011 2:58:51 PM

Go bios , press F9 and safe. / or remove your battery mobo (need unplug power ac from psu )
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August 24, 2011 5:06:05 PM

I've tried clearing CMOS... I've tried loading optimal defaults. The problem is greater than that. I'm starting to think its a PSU issue.

My 12v = 11.9

+5v= 4.857
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a c 138 à CPUs
a c 241 K Overclocking
August 24, 2011 5:20:52 PM

No .. It's normal , I have corsair vx550 92% efficiency show +12=11.63v when fulload 11.58.
Yes your +5v drop but still ok.
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August 24, 2011 5:53:53 PM

Alright. I think I'm going to try and boost the cpu voltage up to 1.5. Still getting freezes to black screens while playing bad company 2 over a half hour.
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a c 138 à CPUs
a c 241 K Overclocking
August 24, 2011 6:04:31 PM

Drop your oc to 3.5 ghz try play in tis condition
In 3.8ghz need many tweak disabled like : powernow / cool n quite , spread spectrum, C1E , turbo core,
Vram at 1.62 - 1.65 just suggestion
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a b K Overclocking
August 26, 2011 4:38:16 PM

Bring you ht speed up to as close to the nb speed as it will let you without exceeding it
If that’s not the issue then try running the ram at 1333 as the 1090t imc is only 1333 (amd requested I run native 1333 ram for all tests )
If still nothing then you could try turning off the core or cores that fail during your torture test (if your motherboard will let you)
I had to do this testing with amd to establish that i had burnt out my imc on my 1090t. Amd blames overclocked ram for my burnt up cores ( anything over 1333 is considered over clocked ram) best of luck I hope this helps solve your issue
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August 27, 2011 5:41:56 AM

I have my ram set to 1333 already as thats all mother board is rated for. My nb speed is 2.4GHz and my ht speed is 2.0GHz... I don't know if those are set too high but I've pretty much ruled out at this point that its a heating issue. I run AOD's stability test fine for 12 hours @ 52 degrees. Prime gets it up to 62 degrees and thats when I get the reboot. I am investing in aftermarket cooling very soon
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Best solution

a c 138 à CPUs
a c 241 K Overclocking
August 27, 2011 9:57:03 AM

good idea, get aftermarket cooler, I suggest leave AOD forget it, Use Prime95 only. You must focus on test if want succes
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a c 96 à CPUs
a c 228 K Overclocking
August 27, 2011 12:34:59 PM

1.125-1.40V is your spec voltage and you've used 1.5 to 1.6v, with a stock air cooler?

What exactly is your goal here?

To burn up your CPU?

You seem to be under a mirage attack and firing in all directions hoping to hit something, well at this point it appears you're beginning to learn something.

If you intend to overclock, you need a good aftermarket cooling solution, that's a No Brainer, especially with the voltages you've already used.

http://www.frostytech.com/top5heatsinks.cfm#AMDHEATSINK

Of course you can always take the cheap route and go with old faithful, that's 10 times better than what you're presently using.

http://www.newegg.com/Product/Product.aspx?Item=N82E16835103065

This is one of the top air coolers, listed in Frosty Tech's lineup for AMD, and I own one myself and it out performs the Cooler Master, I have that one also.

http://www.newegg.com/Product/Product.aspx?Item=N82E16835608018

If you intend overclocking a dependable power supply should be in the build planning, you want quality, not a power supply to run gramdmas email rig.

Cooler Master makes great CPU coolers but I wouldn't buy a power supply from them, I would recommend a single 12v rail power supply, your wattage range is just inside the door for your setup, but for overclocking I'd want more stability.

http://www.newegg.com/Product/Product.aspx?Item=N82E16817256059

My advice right now is stop what you're doing and get what you need to continue, then go back at it.

What operating system?
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a c 96 à CPUs
a c 228 K Overclocking
August 27, 2011 12:56:42 PM

henydiah said:
good idea, get aftermarket cooler, I suggest leave AOD forget it, Use Prime95 only. You must focus on test if want succes


^ +1

To OP; henydiah has been trying to tell you to go ahead and uninstall the AOD, you don't need it running in the background, it's been problematic and buggy for some lately anyway.

Use CPU-Z to monitor OP/SYS output settings and a program like Core Temp for temperatures.
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a b K Overclocking
August 27, 2011 1:42:35 PM

i couldnt agree more ...
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August 27, 2011 2:12:01 PM

4Ryan6 said:
1.125-1.40V is your spec voltage and you've used 1.5 to 1.6v, with a stock air cooler?

What exactly is your goal here?

To burn up your CPU?



I never had my core voltage set above 1.5 I don't know where you read that. I plan on getting water cooling supplies next week when I get paid...

@henydiah, alright I won't use AOD anymore. I was just jusing it after a Prime95 test failed to see how long I could run my CPU at full load, that is all. I was just using it as something that can get me going full load to see where my temperature range is at. I do have a cooling problem and I for sure need to address it. Once I have that covered I will be purchasing a new mobo and PSU. I will report back when those issues are resolved. Thanks a lot henydiah
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August 27, 2011 2:13:01 PM

4Ryan6 said:
^ +1

To OP; henydiah has been trying to tell you to go ahead and uninstall the AOD, you don't need it running in the background, it's been problematic and buggy for some lately anyway.

Use CPU-Z to monitor OP/SYS output settings and a program like Core Temp for temperatures.



I have CPU-Z and speedfan running in the background 24/7.
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August 27, 2011 2:13:18 PM

Best answer selected by pcenvy88.
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a c 96 à CPUs
a c 228 K Overclocking
August 27, 2011 2:47:31 PM

Quote:
What I am wondering is if I can continue running the torture test with that one worker down or should I stop and fix it first? I upped my RAM voltage from MFG Suggested voltage of 1.5 to 1.6.


My bad! You were talking RAM there! :pfff: 

pcenvy88 said:
Alright. I think I'm going to try and boost the cpu voltage up to 1.5. Still getting freezes to black screens while playing bad company 2 over a half hour.


However here you're talking CPU Voltage 1.5v with a stock cooler! Correct?
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August 28, 2011 8:48:42 PM

You're correct ryan :lol: 

I put it up to 1.5 one time just to see if it'd work. At this point I was just running around with my head cut off trying to get one configuration to work. But yeah, I never let it go past 1.5 and I only had it set there once. Once it failed I was back below 1.4v

I solved the problem though. Turns out it WAS a heat issue. I turned down my NB frequency and voltage a little bit. Turned down my cpu voltage to 1.375 and I have been running prime95 small fft's for about 4 hours now :D 
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a c 138 à CPUs
a c 241 K Overclocking
August 28, 2011 8:51:23 PM

Good news and thank's for BA
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August 28, 2011 10:25:35 PM

Not so good news. Turned off prime95 after 5 hours.... Wanted to play some bc2. After half hour of bc2, i got hyper transport error again. *** MEEEE. Oh well, I'll figure it out someday
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a c 138 à CPUs
a c 241 K Overclocking
August 29, 2011 12:12:36 AM

Drop your oc , don't too high , disabled cpu warning temp in bios
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a c 138 à CPUs
a c 241 K Overclocking
August 29, 2011 12:38:06 AM

Also try in default system, if you still ge bsod / error , uninstall and reinstall driver vga/sound (that can caused error), Uninstall your game and reinstall again
All install in default system
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August 29, 2011 1:21:41 AM

Yeah its definitly something with the game. I've ran all types of Prime test for multiple hours and its fine. BC2 crashes in a half hour. I'm going to re install graphics and sound drivers I'm pretty sure its either punk buster or sound issues. Maybe I'll try an older CCC. Wow this problem as gone around and around.
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