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About the core speed for i7 2600k

post #1 of 10
Thread Starter 
i m using maximus iv extreme z and i7 2600k

the speed for i7 1600k should be 3.40 ghz. sometime i got 1605.2 Mhz for the core speed and sometime i got 3812/9 Mhz. what is going on there?
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post #2 of 10
It's a CPU feature in all Sandy Bridge processors called EIST. Its purpose is to throttle your CPU when not in use (when idling). This causes the processor to use less power and thus produce less heat, prolonging its lifespan and saving you money.

The 3.8 GHz is part of TurboBoost, another Core iX family feature that allows for an automatic, safe overclock of the CPU so that it can complete tasks quicker and more efficiently.
Cerberus
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post #3 of 10
Thread Starter 
oh ok. so the speed during ide would be 1.6ghz? how can u clock to 4.2ghz?
Edited by M.IV.E - 7/23/11 at 9:46pm
Maximus
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post #4 of 10
As Skull said, that's turbo boost. It automatically raises your core clock when in heavy use, but well within reason.
post #5 of 10
Quote:
Originally Posted by M.IV.E View Post
oh ok. so the speed during ide would be 1.6ghz? how can u clock to 4.2ghz?
You can still overclock the CPU. If you do you would be increasing the CPU's multiplier which is the safest way to OC the processor. With TurboBoost enabled, and up-ing the multiplier you'll be increasing the limit of TurboBoost. So let's say you set the multiplier to 42 (the FSB/core is always at 100MHz), 42x100=4200MHz, or 4.2GHz, TurboBoost will rev up to 4.2GHz when the task could use that much 'horsepower'.

EDIT: I totally forgot, thanks to Decepticon for reminding me. Welcome to OCN!
Edited by SkullTrail - 7/23/11 at 9:54pm
Cerberus
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Cerberus
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post #6 of 10
Quote:
Originally Posted by SkullTrail View Post
It's a CPU feature in all Sandy Bridge processors called EIST. Its purpose is to throttle your CPU when not in use (when idling). This causes the processor to use less power and thus produce less heat, prolonging its lifespan and saving you money.

The 3.8 GHz is part of TurboBoost, another Core iX family feature that allows for an automatic, safe overclock of the CPU so that it can complete tasks quicker and more efficiently.
This. But more importantly, welcome to OCN!
Cybertron
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post #7 of 10
Thread Starter 
thanks for the help, guys. i learned something today. because i just got this motherboard 2 days ago. still new to it
Maximus
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Maximus
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post #8 of 10
Quote:
Originally Posted by M.IV.E View Post
thanks for the help, guys. i learned something today. because i just got this motherboard 2 days ago. still new to it
Np. The OCN community is always here to help. Feel free to make a new thread with any other question you come across in the future! Again welcome to OCN!
Cerberus
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Cerberus
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post #9 of 10
Thread Starter 
i have faced some problem these few days.my computer freeze and i got blue screen with errors when i was trying to update bfbc2 patch. the error message is : A process or thread crucial to system operation has unexpectedly exited or been terminated.

the ram that i using is Corsair Vengeance CMZ8GX3M2A1600C8 8GB. some people were saying the ram is not compatible with this motherboard
Maximus
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Hard DriveOptical DriveOSPower
Seagate 1 TB and OCZ Vertex 2 120GB SSD LG Blu-Ray Writer Windows 7 Ultimate 64-bit Corsair AX 1200 
Case
Cooler Master HAF X 
  hide details  
Reply
Maximus
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CPUMotherboardGraphicsRAM
Intel Core i7-2600k Asus Maximus IV Extreme-Z Asus GTX 580 Direct CU II Corsair Vengeance CMZ8GX3M2A1600C8 8GB (2x4GB)DDR3 
Hard DriveOptical DriveOSPower
Seagate 1 TB and OCZ Vertex 2 120GB SSD LG Blu-Ray Writer Windows 7 Ultimate 64-bit Corsair AX 1200 
Case
Cooler Master HAF X 
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post #10 of 10
There should be a sticker on your RAM indicating it's voltage and timings - you may want to go into your BIOS and confirm that they're proper.
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