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Speedstep kills stability?

post #1 of 8
Thread Starter 
I seemed to have a stable overclock at 4.2GHz 1.29V, over 3 hours in prime 95 stable.

I turned speedstep on it bios and it cant reach 5 minutes, I just turned it off again and I'm not getting any issues once more (touch wood).


I didn't think speedstep was meant to cause instability issues : /
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post #2 of 8
That is odd, but by any chance does SpeedStep raise the voltage as well?

Or is that Turbo Boost?
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post #3 of 8
Thread Starter 
So far as I knew speedstep only allows the OS to change the multiplier to save power while not under load.

(user guide: the cpu speed is controlled by the operating system)

An increase in voltage I can't see being an issue, my temps didn't get above 66oC
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post #4 of 8
I'm guessing the sudden change in clocks would be the perpetrator here. When it goes up, the voltage changes as well and perhaps not quick enough, so it would cause instability when overclocked. It works at stock speeds because it was designed to.
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post #5 of 8
Thread Starter 
Heh, I guess 1.4GHz is a fair way from stock speeds.

is there any real need to have it active?
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post #6 of 8
only if you're really that worried about saving power.
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post #7 of 8
Quote:
Originally Posted by Soulphalanx View Post
I'm guessing the sudden change in clocks would be the perpetrator here. When it goes up, the voltage changes as well and perhaps not quick enough, so it would cause instability when overclocked. It works at stock speeds because it was designed to.
I'm thinking this...

It goes up and doesn't have enough voltage in that moment so it just crashes.
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erin.
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rachel.
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anne.
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Plextor M5S 128GB 3x Western Digital Caviar Black WD5001AALS 3x Western Digital Caviar Green WD20EARX LiteON iHAS324 DVD-RW DL 
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Antec Kühler H2O 920 3x AVC DS12025B12H Chassis Intake Nidec SERVO Gentle Typhoon AP-31 Radiator/Exhaust Yate Loon D14BH-12 Roof Intake 
OSMonitorKeyboardPower
Windows 7 Home Premium x64 Dell Ultrasharp U2311H BenQ X-Touch A122 FSP Group Inc. Aurum Series AU-700 
CaseMouseMouse PadAudio
Fractal Designs Define Mini CoolerMaster Storm SPAWN SteelSeries QcK Mini Dota 2 HiVi Swans H2S 2.0 
Audio
HiVi Swans H6 Sub 
CPUMotherboardGraphicsRAM
AMD Phenom II X2 550 Black Edition Biostar TA890GXE MSI Radeon HD6870 1GD5 (AMD Reference) 2x 4GB Crucial Value RAM 1333MHz 
RAMHard DriveHard DriveOptical Drive
2x 2GB Crucial Value RAM 1333MHz Transcend SSD340 128GB Western Digital Scorpio Blue WD5000BEVT Samsung SH-223C DVD-RW DL 
CoolingOSMonitorKeyboard
AWAITING SELECTION Windows 7 Home Premium x64 Well, it depends. Logitech k270 
PowerCaseMouseMouse Pad
Seasonic M12 II 430 80PLUS AWAITING SELECTION Logitech G300 Well, it depends. 
AudioAudioOther
Edifier MP300 Plus Black-on-Black (On The Go) Creative GigaWorks T3 (At Home) Intel Desktop Wireless Adapter w/ Intel Centrin... 
CPUMotherboardGraphicsRAM
Intel Core™ i3 2100 @ 3.0GHz/HT ASRock Z68 Pro3 M Sapphire Radeon HD5870 1GD5 (AMD Reference) 2x KVR1333D3N9/4G 
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2x KVR1333D3N9/2G Plextor M5S 128GB Western Digital Caviar GreenPower WD5000AACS LiteON iHAS324 DVD-RW DL 
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post #8 of 8
Thread Starter 
And off it stays, thanks guys
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Crabidrar
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