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First OC, i7 920 help

post #1 of 16
Thread Starter 
hi everyone

Im in the middle of trying my first 920 overclock. I am using my Sig rig but i am having some issues getting even the slightest oc.

I am following this guide

http://www.clunk.org.uk/forums/overc...beginners.html

and even trying to get up to 3.3 ghz i am getting these error messages in prime.



(the cpu-z speed there was me just seeing what would happen if I tried jumping straight to 4ghz)

i have tried increasing my cpu voltage up to 1.25 in small increments but still get these errors, anyone got any ideas?

Cheers
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post #2 of 16
What are some of your voltages?
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post #3 of 16
Thread Starter 
the guide says to leave everything on auto, iive only changed the cpu voltage, starting at 1.1 up to 1.25. and my dram bus voltage is 1.66
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post #4 of 16
i also have an i7 920, also, and would love to know where to start, to begin OC'ing it.
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post #5 of 16
I know starting from the bottom and working your way up is probably a good way to do it, but what I've been doing with my i7's because I'm lazy is going straight for 4.0GHz with high volts, then slowly bringing down volts to where they need to be.

I would start out with:

Cpu - 1.30V-1.35V (Bring it down slowly until you find the lowest stable)
QPI - 1.35V
PLL - 1.88V
IOH and ICH - 1.20V
Ram - 8,8,8,24 - 1.65V

Also make sure all the power saving features are disabled in the bios, and check the LLC because this could effect the CPU volts quite a bit under load.

That guide looks good, but this is the one I learned with
http://www.overclock.net/intel-cpus/...920-930-a.html

Oh and another thing you should get if you havent already is RealTemp, make sure the chip doesnt get to hot.
    
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post #6 of 16
Derp has some good advice. To go with that here are my 950/P6T Deluxe v2 4.2GHz BIOS settings. Note that you will need to change my ram timings to your ram timings.
CAS# Latency: 6
DRAM RAS# to CAS# Delay: 7
DRAM RAS# PRE Time: 6
DRAM RAS# ACT Time: 18


Complete settings list
AI Overclock Tuner: Manual
CPU Ratio Setting: 21x
Intel SpeedStep Tech: Disabled
Intel Turbo Mode Tech: Disabled
BLCK Frequency: 200
PCIE Frequency: 100
DRAM Frequency: DDR3-1603MHz
UCLK Frequency: 3208MHz
QPI Link Data Rate: Auto (3600 MHz)

DRAM Timing Control
1st Information :
CAS# Latency: 6
DRAM RAS# to CAS# Delay: 7
DRAM RAS# PRE Time: 6
DRAM RAS# ACT Time: 18

2nd Information :
DRAM Timing Mode: 1N
All other ram settings are on auto


CPU Voltage: 1.32500
CPU PLL Voltage: 1.82
QPI/DRAM Core Voltage: 1.34375
IOH Voltage: 1.20
ICH Voltage: 1.20
DRAM Bus Voltage: 1.66
Load Line Calibration: Enabled
CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled
All Other Settings: Auto

Advance CPU Settings
CPU Ratio Setting: 21x
C1E Suppport: Disabled
Hardware Prefetcher: Enabled
Adjacent Cache Line Prefetch: Enabled
Intel® Virtualization Tech: Disabled
CPU TM Function: Disabled
Execute Disable Bit: Disabled
Intel HT Techology: Disabled
Active Processor Cores: All
A20M: Disabled
Intel SpeedStep Tech: Disabled
Intel Turbo Mode Tech: Disabled
Intel C-STATE Tech: Disabled

Under Advanced Menu: PCIPnP
PNP OS = Yes
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post #7 of 16
Thread Starter 
thanks for the info jelah, i already have realtemp, was just on a different screen when i took that screenshot heh.

Ill have a go with them settings and see how it works out.
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(13 items)
 
  
CPUMotherboardGraphicsRAM
i7-920 @ 4Ghz ASUS P6T DELUXE V2 XFX 5870 900/1250 6GB Corsair DOMINATOR GT 2000MHz (8-8-8-24) 
Hard DriveOSMonitorPower
120gb c300 ssd / 2x 150g velociraptors (raid0) Windows 7 Home 64bit 23" LG W2361V (1920 x 1080) Everest 1010W 
Case
Antec 900 
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Compression
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7-920 @ 4Ghz ASUS P6T DELUXE V2 XFX 5870 900/1250 6GB Corsair DOMINATOR GT 2000MHz (8-8-8-24) 
Hard DriveOSMonitorPower
120gb c300 ssd / 2x 150g velociraptors (raid0) Windows 7 Home 64bit 23" LG W2361V (1920 x 1080) Everest 1010W 
Case
Antec 900 
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Reply
post #8 of 16
Thread Starter 
thanks idaho as well, time to go play
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(13 items)
 
  
CPUMotherboardGraphicsRAM
i7-920 @ 4Ghz ASUS P6T DELUXE V2 XFX 5870 900/1250 6GB Corsair DOMINATOR GT 2000MHz (8-8-8-24) 
Hard DriveOSMonitorPower
120gb c300 ssd / 2x 150g velociraptors (raid0) Windows 7 Home 64bit 23" LG W2361V (1920 x 1080) Everest 1010W 
Case
Antec 900 
  hide details  
Reply
Compression
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7-920 @ 4Ghz ASUS P6T DELUXE V2 XFX 5870 900/1250 6GB Corsair DOMINATOR GT 2000MHz (8-8-8-24) 
Hard DriveOSMonitorPower
120gb c300 ssd / 2x 150g velociraptors (raid0) Windows 7 Home 64bit 23" LG W2361V (1920 x 1080) Everest 1010W 
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Antec 900 
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post #9 of 16
Quote:
Originally Posted by o Baby Zeus View Post
thanks idaho as well, time to go play
Good luck!
    
CPUMotherboardGraphicsRAM
i7-920 @ 4.0 [1.262V] ASUS Rampage III Extreme Asus 5870 6GB Corsair XMS3 Dominator 
Hard DriveOptical DriveOSMonitor
750GB Seagate, WC Bl 1TB Sata 3, OCZ Vertex 2 60GB Samsung 22x SATA DVD-RW/Lightscribe Windows 7 Ultimate x64 32" HDTV 
KeyboardPowerCaseMouse
Steelseries 6G v2 Corsair AX750 Corsair Obsidian 800D Razer DeathAdder 3500 
Mouse Pad
SteelSeries QcK 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
i7-920 @ 4.0 [1.262V] ASUS Rampage III Extreme Asus 5870 6GB Corsair XMS3 Dominator 
Hard DriveOptical DriveOSMonitor
750GB Seagate, WC Bl 1TB Sata 3, OCZ Vertex 2 60GB Samsung 22x SATA DVD-RW/Lightscribe Windows 7 Ultimate x64 32" HDTV 
KeyboardPowerCaseMouse
Steelseries 6G v2 Corsair AX750 Corsair Obsidian 800D Razer DeathAdder 3500 
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SteelSeries QcK 
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post #10 of 16
Quote:
Originally Posted by Jelah View Post
I know starting from the bottom and working your way up is probably a good way to do it, but what I've been doing with my i7's because I'm lazy is going straight for 4.0GHz with high volts, then slowly bringing down volts to where they need to be.

I would start out with:

Cpu - 1.30V-1.35V (Bring it down slowly until you find the lowest stable)
QPI - 1.35V
PLL - 1.88V
IOH and ICH - 1.20V
Ram - 8,8,8,24 - 1.65V

Also make sure all the power saving features are disabled in the bios, and check the LLC because this could effect the CPU volts quite a bit under load.

That guide looks good, but this is the one I learned with
http://www.overclock.net/intel-cpus/...920-930-a.html

Oh and another thing you should get if you havent already is RealTemp, make sure the chip doesnt get to hot.
What kind of temps should i be seeing on a stock air-cooled 920?

I have been running Prime95 for a little over an hour and the temp highs are:

Core 0 - 80
Core 1 - 78
Core 2 - 76
Core 3 - 74

Those are the highs, but they sit about 1-2 degrees cooler than that when i'm watching it. That seems a little high to me, but i have never monitored it on a regular basis so i do not know what the baseline is.
Nothing Special
(16 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 920 D0 4.2ghz @ 1.45v Gigabyte X58-USB3 MSI HD7970 1100/1500@Stock 12gb Patriot Viper 2 Sector 7 DDR3 2000 
Hard DriveCoolingCoolingCooling
Patriot Pyro 120GB SSD + (3) 160GB WD in Raid5 Rasa 750 RS240 Kit Phobya Extreme 200mm Heatkiller 3.0 Radeon HD7970 GPU Block 
OSPowerCase
Win7 64-bit Antec Earthwatts 750w Corsair Graphite 600T 
  hide details  
Reply
Nothing Special
(16 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 920 D0 4.2ghz @ 1.45v Gigabyte X58-USB3 MSI HD7970 1100/1500@Stock 12gb Patriot Viper 2 Sector 7 DDR3 2000 
Hard DriveCoolingCoolingCooling
Patriot Pyro 120GB SSD + (3) 160GB WD in Raid5 Rasa 750 RS240 Kit Phobya Extreme 200mm Heatkiller 3.0 Radeon HD7970 GPU Block 
OSPowerCase
Win7 64-bit Antec Earthwatts 750w Corsair Graphite 600T 
  hide details  
Reply
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