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CPU-Z for ASUS P8P67 reads 1600 Mhz

post #1 of 26
Thread Starter 
My new P8P67 board boots up and on the auto tuning it overclocks to 4.429 ghz. However, the CPU-z shows 1648 Mhz core speed and a multiplier of 16 with a bus speed of 103 Mhz. When I launch AI Suite II it should core 0 at 4429 Ghz and the other 3 cores at 1648. Then core 0 goes to to 1648 as well. Am I doing something wrong on the basic auto tuning?
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post #2 of 26
Yeah, you're using auto tune. Adjust it manually.

And 1600MHz is correct. Your CPU will automatically clock itself down, and lower voltage when its not needed.
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Junkyard
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post #3 of 26
Your CPU is downclocking itself on account of SpeedStep. It's a powersaving feature. Turn that off and you'll be at full clock speeds all the time, but you'll also draw more power.
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post #4 of 26
If under load it should speed back up to your OC'ed speed. I'm not sure what the setting is called on an Asus board,but you need to turn off C1E and EIST... IMO it's better to leave it on, as it should extend the life of the CPU. I have mine OC'ed to 5ghz, but when it's idle it is down to 1.6ghz as well, putting less voltage and saving power.
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post #5 of 26
Thread Starter 
I understand now. Thanks.
The AI Suite II shows four cores but the first core image is the only one at 4.3 ghz. the other 3 are at 1600 Mhz. Is this normal?

2nd question. How do you know what your true overclock speed is if it always shows the energy savings mode?

@pioneerisloud....I actually did not use autotune. I cleared the CMOS and reboot. I noticed TurboEV is on and it overclocked itself. The BIOS shows Manual 103 and the multiplier is 43 without me doing anything. Is this AUTOTUNE through the BIOS without using AI SUITEII?
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post #6 of 26
Quote:
Originally Posted by apopilot View Post

2nd question. How do you know what your true overclock speed is if it always shows the energy savings mode?
Stress test. For example mine sits at 1600mhz until I do otherwise. If I start up P95 Blend it'll shoot right up to 4500mhz.

I'm not sure, but I don't believe it shoots it up to 4500mhz when running 3D applications. I only think it clocks what it needs. Could be wrong, though. I'm interested though because I've always wondered.

Can't really find out because once you tab out it downclocks to 1600mhz.
Edited by pjBSOD - 3/27/11 at 12:14am
post #7 of 26
Quote:
Originally Posted by apopilot View Post
I understand now. Thanks.
The AI Suite II shows four cores but the first core image is the only one at 4.3 ghz. the other 3 are at 1600 Mhz. Is this normal?
I don't use the AI suite, try something like CPUz, you'll be able to use it on other boards as well.

Quote:
Originally Posted by apopilot View Post
2nd question. How do you know what your true overclock speed is if it always shows the energy savings mode?
Put it under load, it will ramp up the clock speed to what it should be.
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Bye Bye 775
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post #8 of 26
You need to set all four cores to 44x, and set your Bus speed back down to 100.00MHz. You shouldn't be using the bus speed at all with SB chips.

Sounds like your turbo clocks are kicking in for just the first core. You should have the option to adjust all 4 core's turbo's manually.
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Junkyard
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NAStradamous
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HTPC01
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CPUMotherboardGraphicsRAM
Intel i5 2320 @ 3.1GHz MSI B75MA-E33 HIS HD7970 3GB @ 1050 / 1700, 1.17v Patriot 2x4GB DDR3-1066 
Hard DriveHard DriveOptical DriveCooling
Crucial MX100 256GB WD Green 2TB DVDRW Corsair H50 Push / Pull 
CoolingOSMonitorMonitor
NZXT 120mm fans strapped to stock 7970 cooler Windows 10 Pro Dell 3007WFP Dell 2007FP 
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Dell 2007FP Cheap Toshiba (R.I.P. Ducky) PC Power & Cooling Silencer MKIII 950w Cheap Garbage (free) 
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post #9 of 26
Thread Starter 
I have "All Cores selected" in the BIOS. I am using CPU-Z. It only allows you to see CORE 0. Should the EPU and TPU be on when overclocking? Is there a good thread for this board?

What software should be used for bench marking? It's been a while since I built a new rig.

ASUS P8P67 Deluxe
Corsair vengeance 8GB
i7-2600K
ATI 6870
Corsair 850 power supply
WD 1TB Cavier
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ThermalTake Armor 
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My System
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CPUMotherboardGraphicsRAM
E6600 EVGA 680i 7800GTX Corsair Dominator PC6400 
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ThermalTake Armor 
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post #10 of 26
Intel Burn Test or Prime 95.

Burn test stresses the CPU more, prime 95 does a nice mixture of CPU/RAM
Bye Bye 775
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Bye Bye 775
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