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Problems OCing a i7 950

post #1 of 13
Thread Starter 
Ok so my final rig is finished and working, my target is to OC CPU to 4Ghz and RAM to 2000mhz.
So i enter the BIOS settings, BCLK is on 133mhz, i raise it to 140mhz and reboot.
After reboot everything is fine, so i go to BIOS again and raise BCLK to 160mhz... AND BOOM!! The rig shutsdown and i cant power up again, so the only thing i can do is MemOK to reset BIOS settings to default.

What is the problem? do i need to raise voltages too?
The voltage is set to 1.4, is it good or not?
Edited by Colt - 12/31/10 at 10:13am
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post #2 of 13
This thread is very helpful and enlightening on the subject:

http://www.overclock.net/intel-cpus/...ml#post6661657

The only things different is that the 950 has a higher multiplier than the 920.
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post #3 of 13
What multi are you using?

After you raised the BCLK to 160 it immediately restart or you rebooted, got into windows and it went boom?

Just noticed the voltage. Are you saying the vcore is 1.4 by default?
Edited by Lampen - 12/31/10 at 9:49am
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post #4 of 13
Thread Starter 
Quote:
Originally Posted by Lampen View Post
What multi are you using?

After you raised the BCLK to 160 it immediately restart or you rebooted, got into windows and it went boom?

Just noticed the voltage. Are you saying the vcore is 1.4 by default?
No, i raise to BCLK to 160mhz and reboot, and i see black screen, nothing loading.
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L'ordinateur
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i7 950 ASUS P6X58D-E Sapphire 6870 G.Skill Ripjaw 3x2GB 
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WD Caviar Black 1TB Noctua D-14 Win7 x64 Samsung 731B 
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post #5 of 13
Alright so you can get back into BIOS right? Can you give us a copy of all your current bios settings so we can see what the problem might be?
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post #6 of 13
Thread Starter 
Quote:
Originally Posted by Lampen View Post
Alright so you can get back into BIOS right? Can you give us a copy of all your current bios settings so we can see what the problem might be?
Just tell me, what settings? i cant do screentshot
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Corsair Vengeance 1500 
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L'ordinateur
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CPUMotherboardGraphicsRAM
i7 950 ASUS P6X58D-E Sapphire 6870 G.Skill Ripjaw 3x2GB 
Hard DriveCoolingOSMonitor
WD Caviar Black 1TB Noctua D-14 Win7 x64 Samsung 731B 
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post #7 of 13
lower memory speed
bclk increases ram speeds. If it's already at 2k :/ get it down to say 1000 and see how far your cpu goeas
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post #8 of 13
Quote:
Originally Posted by Colt View Post
Just tell me, what settings? i cant do screentshot
Your entire BIOS settings. You'll have to copy them down and just list them since you can't screenshot in bios or you'll have to take pics and post them up.
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Singularity
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CPUMotherboardGraphicsRAM
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Hard DriveCoolingOSMonitor
Corsair Force LX Corsair Hydro Series H110i GTX Windows 10 Home Premium 3 x ASUS VX279Q 
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post #9 of 13
Thread Starter 
Quote:
Originally Posted by DiNet View Post
lower memory speed
tasbir?
Quote:
Originally Posted by Lampen View Post
Your entire BIOS settings. You'll have to copy them down and just list them since you can't screenshot in bios or you'll have to take pics and post them up.
Fine, let me few minutes
L'ordinateur
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CPUMotherboardGraphicsRAM
i7 950 ASUS P6X58D-E Sapphire 6870 G.Skill Ripjaw 3x2GB 
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WD Caviar Black 1TB Noctua D-14 Win7 x64 Samsung 731B 
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HP OEM thingy Sapphire Pure 950w Antec DF-30 Logitech MX110 
Audio
Corsair Vengeance 1500 
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Reply
L'ordinateur
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 950 ASUS P6X58D-E Sapphire 6870 G.Skill Ripjaw 3x2GB 
Hard DriveCoolingOSMonitor
WD Caviar Black 1TB Noctua D-14 Win7 x64 Samsung 731B 
KeyboardPowerCaseMouse
HP OEM thingy Sapphire Pure 950w Antec DF-30 Logitech MX110 
Audio
Corsair Vengeance 1500 
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Reply
post #10 of 13
Quote:
Originally Posted by Colt View Post
Just tell me, what settings? i cant do screentshot
On a P6X58 board...copy down basically everything on the "AI Tweaker" page of the BIOS. Everything on that page is applies to OCing.
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Intel Xeon E3-1230 Asus Maximus IV Gene-Z/Gen3 Powercolor 6970 2GB G. Skill 1600mHz Ripjaws 
Hard DriveOptical DriveCoolingCooling
SpinpontF3 1TB, WD 250, and WD320 Lite-On DT Waterblocks DT5Noz Waterblock Swiftech Komodo 6900-1 Waterblock 
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Swiftech MCR-220 Drive radiator Swiftech MCR-220 QP radiator 6xGentle Typhoon AP-15s Archx64 KDE4.5, Windows 7 x64 
MonitorKeyboardPowerCase
Eyefinity 3-head 5265x1050 OCN Ducky!! MX Blue Switches XFX 750W Black Edition Mountain Mods H2gO 
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Razer Naga Asus Xonar Essence STX Sennheiser 595 Sony STR-DE995 A/V receiver 
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Lian Li Card flash memory reader Asus PCE-N15 Wifi-N card 
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AMD 1055T Gigabyte 790 Sapphire 4850x2 2x2GB 1600mHz 
Hard DriveOptical DriveOSKeyboard
A few Yes Vista/7 Das Keyboard 
Power
Ugly 
CPUMotherboardGraphicsRAM
Qualcomm Snapdragon APQ8060 1.2 GHz Something kinda small Qualcomm Adreno core 16GB 
Hard DriveOptical DriveOSMonitor
None N/A WebOS 3.0.2 9.7" XGA, multitouch 
PowerCase
6300mAh Piano Black 
  hide details  
Reply
DD Boxen
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CPUMotherboardGraphicsRAM
Intel Xeon E3-1230 Asus Maximus IV Gene-Z/Gen3 Powercolor 6970 2GB G. Skill 1600mHz Ripjaws 
Hard DriveOptical DriveCoolingCooling
SpinpontF3 1TB, WD 250, and WD320 Lite-On DT Waterblocks DT5Noz Waterblock Swiftech Komodo 6900-1 Waterblock 
CoolingCoolingCoolingOS
Swiftech MCR-220 Drive radiator Swiftech MCR-220 QP radiator 6xGentle Typhoon AP-15s Archx64 KDE4.5, Windows 7 x64 
MonitorKeyboardPowerCase
Eyefinity 3-head 5265x1050 OCN Ducky!! MX Blue Switches XFX 750W Black Edition Mountain Mods H2gO 
MouseAudioAudioAudio
Razer Naga Asus Xonar Essence STX Sennheiser 595 Sony STR-DE995 A/V receiver 
OtherOther
Lian Li Card flash memory reader Asus PCE-N15 Wifi-N card 
CPUMotherboardGraphicsRAM
AMD 1055T Gigabyte 790 Sapphire 4850x2 2x2GB 1600mHz 
Hard DriveOptical DriveOSKeyboard
A few Yes Vista/7 Das Keyboard 
Power
Ugly 
CPUMotherboardGraphicsRAM
Qualcomm Snapdragon APQ8060 1.2 GHz Something kinda small Qualcomm Adreno core 16GB 
Hard DriveOptical DriveOSMonitor
None N/A WebOS 3.0.2 9.7" XGA, multitouch 
PowerCase
6300mAh Piano Black 
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