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1090T: PC reboots at 3.9Ghz and over

post #1 of 10
Thread Starter 
Up to 3.8Ghz it seems to run just fine but as soon as I increase the multiplier to 19.5=3.9Ghz the PC reboots after a few hours. When I increase the multiplier to 20.0=4Ghz the PC reboots much sooner, after about 1/2 hour.

The temperature seems to be fine though, "CoreTemp32" never shows more than 26/27°C. I had the core volts up to 1.45 max, at 4Ghz and also tested 4Ghz at about 1.40v. NorthBridge frequency is at 3.0Ghz, NB voltage is 1.30 volts.

PC specs are in the signature. Any ideas?
Edited by 12Honk34 - 4/19/11 at 8:08am
Burger with Fries
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Burger with Fries
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post #2 of 10
Mine does the same thing but my northbridge temps are usually 90C!!!!!
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post #3 of 10
Quote:
Originally Posted by fg2chase View Post
Mine does the same thing but my northbridge temps are usually 90C!!!!!
Umm I dont think that's very safe..
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post #4 of 10
Need more info.
What is the CPU-NB voltage?
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post #5 of 10
Quote:
Originally Posted by Devilmaypoop View Post
Umm I dont think that's very safe..
There is no way in hell thats an accurate temp though... It would be on fire right? Either way my 1090T performs just fine at 3.6Ghz so I just leave it at that.
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post #6 of 10
Quote:
Originally Posted by fg2chase View Post
There is no way in hell thats an accurate temp though... It would be on fire right? Either way my 1090T performs just fine at 3.6Ghz so I just leave it at that.
That is better then mine. It is say 128c and I know that is not right.
EDIT
Now what is your CPU-NB voltage?
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post #7 of 10
Thread Starter 
My NB voltage is 1.30 volts. I edited it in above.
Burger with Fries
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1090T @4.1GHz ASUS M4A89TD Pro/USB3 XFX 5970 Black Edition 4 x 2 GB DDR3 1600Mhz G.Skill 
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1x X25-M 80GB 2X SpinPoint F3 1TB Philips CD/DVD writer noctua NH-D14 Windows 7 64 Bit Professional & Win XP 32 Bit Pro 
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Burger with Fries
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1x X25-M 80GB 2X SpinPoint F3 1TB Philips CD/DVD writer noctua NH-D14 Windows 7 64 Bit Professional & Win XP 32 Bit Pro 
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post #8 of 10
Thread Starter 
Has nobody an idea what the problem might be?
Burger with Fries
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1x X25-M 80GB 2X SpinPoint F3 1TB Philips CD/DVD writer noctua NH-D14 Windows 7 64 Bit Professional & Win XP 32 Bit Pro 
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Burger with Fries
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1x X25-M 80GB 2X SpinPoint F3 1TB Philips CD/DVD writer noctua NH-D14 Windows 7 64 Bit Professional & Win XP 32 Bit Pro 
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post #9 of 10
Have you tried bumping your vcore up higher? I have to run 1.51v to get my 1090T stable at 4Ghz. Little high, I know, but anything lower and I get bsods. Anything lower than 1.4v and my comp won't even boot windows.
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post #10 of 10
Set LLC for both, CPU and CPU/NB @ Full Calibration
Set CPU Voltage @ 1.375V, may need more
CPU/NB Volt should be OK @ 1.30V, but might need more since you run 4 sticks
Set RAM speed , timings and voltage @ stock(check RAM sticker).
try 240 x 17 for FSB and multi...3.96GHz
Edited by IOSEFINI - 4/23/11 at 2:22pm
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