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 Post subject: Try to stabilize at 5Ghz
PostPosted: Wed Aug 31, 2011 2:32 pm 
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Pilgrim
Pilgrim

Joined: Wed Dec 29, 2004 2:30 pm
Posts: 4
Location: UK
I'm trying to OC to 5Ghz using my Intel I7 via Air Cool Noctua NH-U12P SE2 and ASUS P8P67 PRO Motherboard with GSkill 2x4GB sticks of Memory 1600Mhz.
I can easly run at 4.9Ghz, but doing a ASUS Auto Tune trying to hit 5Ghz it does a stabilize test and just as it gets to the end of the line, it resets the computer and congrats me on getting 4944Mhz.
Any idea to get it to stabilize at 5Ghz PDT_Armataz_01_03

I did a HWMonitor check on temps and it only just gets over 40c when it was testing 5Ghz.

Thanks for any advice..

Specs:

ASUS P8P67PRO
Intel I7 2600 (unlocked version) ~ Cooled via Noctua NH-U12P SE2
ATI 5870 Graphics Card 1GB, with a Arctic Cooling Accelero Twin Blade Pro.
2 x 4GB G.Skill Memorysticks 1600Mhz / 2 x 2TB Hitachi Hard Drives
LG Blu-Ray Writer / Corsair 800w TX PSU / Antec Nine Hundred Case with 5 Fans.


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PostPosted: Thu Sep 01, 2011 1:43 am 
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Mobo-fu Master
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Joined: Sun May 06, 2001 12:01 am
Posts: 37463
Location: Netherlands
The problem seems to be Auto Tune upping the Core voltage too much too soon. The settings list below is reported by one of the people succeeding to hit 5GHz stable.


Bios: 1204
AI OC Tuner: manual
BCLK: 100
Turbo Ratio: By all cores via OS
By all cores Ratio: 50
Internal PLL Overclock: Auto
Memory : 1333 (tested stable 24hours) (1600mhz running but not fully tested yet)
EPU Power saving: Disabled
LLC: UltraHigh
VRM frequency: Manual
VRM Mode: 350
Phase: Extreme
Duty: Tprobe
Cpu current cap. : 100
CPU Volts: Manual
CPU Voltage: 1.410
Dram voltage: 1.5
VCCSA and rest downward set to AUTO

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PostPosted: Thu Sep 01, 2011 4:51 pm 
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Pilgrim
Pilgrim

Joined: Wed Dec 29, 2004 2:30 pm
Posts: 4
Location: UK
Managed to reach 5Ghz this evening.
Forget ASUS Auto tuning !
Best go in there manually and set it up.

PDT_Armataz_01_36

My CPU voltage is slightly higher, so will go back and readjust...
Thanks for your advice.. Evasive

ASUS P8P67PRO
Intel I7 2600 (unlocked version) ~ Cooled via Noctua NH-U12P SE2
ATI 5870 Graphics Card 1GB, with a Arctic Cooling Accelero Twin Blade Pro.
2 x 4GB G.Skill Memorysticks 1600Mhz / 2 x 2TB Hitachi Hard Drives
LG Blu-Ray Writer / Corsair 800w TX PSU / Antec Nine Hundred Case with 5 Fans.


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PostPosted: Thu Sep 01, 2011 6:04 pm 
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Pilgrim
Pilgrim

Joined: Wed Dec 29, 2004 2:30 pm
Posts: 4
Location: UK
Evasive, tried your settings but it would BSOD at the Desktop,
I'm happy to say my settings seem stable and gives me 5.04Ghz

Here is my Settings:
Bios: 1502
AI OC Tuner: manual
BCLK: 102.1
Turbo Ratio: By all cores via OS
By all cores Ratio: 49
Internal PLL Overclock: Auto
Memory : G.Skill 1600mhz, running at 1633mhz
EPU Power saving: Disabled
LLC: Auto
VRM frequency: Auto
VRM Mode: Disabled
Phase: Standard
Duty: Tprobe
Cpu current cap. : 100
CPU Volts: Manual
CPU Voltage: 1.410
Dram voltage: 1.5250v
VCCSA and rest downward set to AUTO


ASUS P8P67PRO
Intel I7 2600 (unlocked version) ~ Cooled via Noctua NH-U12P SE2
ATI 5870 Graphics Card 1GB, with a Arctic Cooling Accelero Twin Blade Pro.
2 x 4GB G.Skill Memorysticks 1600Mhz / 2 x 2TB Hitachi Hard Drives
LG Blu-Ray Writer / Corsair 800w TX PSU / Antec Nine Hundred Case with 5 Fans.


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PostPosted: Fri Sep 02, 2011 8:29 am 
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Mobo-fu Master
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Joined: Sun May 06, 2001 12:01 am
Posts: 37463
Location: Netherlands
Yep, for sure things can vary between boards, CPUs and memory sticks. It's good to see you got it to work. What are your temp readings?

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PostPosted: Fri Sep 02, 2011 2:17 pm 
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Pilgrim
Pilgrim

Joined: Wed Dec 29, 2004 2:30 pm
Posts: 4
Location: UK
Can't post images here at the moment till I hit 5 posts,

HWMonitor results so far, Although I need to do some heavy stress testing
At idle running at 5Ghz
# 0 Core =37
# 1 Core =37
# 2 Core =31
# 3 Core =28

max recorded results
1hour playing Unreal Tournament 3 :
# 0 Core =56
# 1 Core =56
# 2 Core =49
# 3 Core =45

Is the temps ok ? what is the temp limits for a I7 2600 ?


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PostPosted: Fri Sep 02, 2011 10:44 pm 
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Mobo-fu Master
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Joined: Sun May 06, 2001 12:01 am
Posts: 37463
Location: Netherlands
general rule of thumb is: -- idle 35-50 deg -- moderate load 40- 60 deg. heavy load 55 -80 deg.

So you are at the lower end of those.

When you do your stress testing I'm expecting to see not more than 70 degrees, which means you have done well when fitting the heatsink/fan.

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