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Help Overclocking i7-920 please

post #1 of 7
Thread Starter 
Hi guys, just hoping anyone can help me out with overclocking my i7-920. I've had it for about a year and have tried some overclocking in the past, with varying success. Last week I tried following this guide http://www.overclock.net/intel-cpus/...920-930-a.html
And while I am at essentially 4Ghz, it isn't 100% stable, and is also currently at 1.312V, which seems a bit high to me. It is being cooled by my water system; Swiftech Apogee XT, Swiftech MCP655 @ setting 4, with 2x240 Feser Rads with fans on push and pull, so temps shouldn't be a problem.
Attatched is a screenshot of CPU-Z, hopefully someone can help me out.
Thanks in advance for any help.
    
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OCZ Vertex 3 240GB, 2TB WD Green Windows 7 Ultimate x64 Dell 3007WFP-HC 30" 2560x1600 + Samsung P2350 23" SteelSeries 7G 
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post #2 of 7
Want the "quick and dirty stability"? Set ICH and IOH to 1.2, VTT/QPI to 1.3 and Vcore u can leave to what it is now, also put your ram voltage at 1.65.
High Voltage
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High Voltage
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post #3 of 7
Volts do seem high. Is that the lowest voltage you can do to get it stable?
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post #4 of 7
your volts don't look that high...
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post #5 of 7
Thread Starter 
Quote:
Originally Posted by InvalidUserID View Post
Volts do seem high. Is that the lowest voltage you can do to get it stable?
Well I had it at 1.3v, and that failed on Prime95 reasonably quickly, and at the time I was a bit over playing with it, so I bumped up the Vcore and the QPI/VTT by 1 setting each in the bios.
    
CPUMotherboardGraphicsRAM
i7-920 @ 4GHz ASUS Rampage III Extreme MSI GTX 580 3GB Lightning Xtreme @ 915/2400 6GB Mushkin Redline 1866 8-8-7-24-1T 
Hard DriveOSMonitorKeyboard
OCZ Vertex 3 240GB, 2TB WD Green Windows 7 Ultimate x64 Dell 3007WFP-HC 30" 2560x1600 + Samsung P2350 23" SteelSeries 7G 
PowerCaseMouseMouse Pad
Corsair AX1200 Corsair 800D (480 + 240 Rad Modded) Roccat Kone [+] Roccat Sense (Glacier Blue) 
Audio
Logitech G35 Headset 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
i7-920 @ 4GHz ASUS Rampage III Extreme MSI GTX 580 3GB Lightning Xtreme @ 915/2400 6GB Mushkin Redline 1866 8-8-7-24-1T 
Hard DriveOSMonitorKeyboard
OCZ Vertex 3 240GB, 2TB WD Green Windows 7 Ultimate x64 Dell 3007WFP-HC 30" 2560x1600 + Samsung P2350 23" SteelSeries 7G 
PowerCaseMouseMouse Pad
Corsair AX1200 Corsair 800D (480 + 240 Rad Modded) Roccat Kone [+] Roccat Sense (Glacier Blue) 
Audio
Logitech G35 Headset 
  hide details  
Reply
post #6 of 7
Thread Starter 
Quote:
Originally Posted by Tom1121 View Post
Want the "quick and dirty stability"? Set ICH and IOH to 1.2, VTT/QPI to 1.3 and Vcore u can leave to what it is now, also put your ram voltage at 1.65.
I think the VTT/QPI is at 1.3, or whatever the setting directly below that is in the bios. The RAM is at 1.64 (1.65 is not in the bios). However, I am looking to hopefully go past 4GHz, so these numbers would have to change anyway.
    
CPUMotherboardGraphicsRAM
i7-920 @ 4GHz ASUS Rampage III Extreme MSI GTX 580 3GB Lightning Xtreme @ 915/2400 6GB Mushkin Redline 1866 8-8-7-24-1T 
Hard DriveOSMonitorKeyboard
OCZ Vertex 3 240GB, 2TB WD Green Windows 7 Ultimate x64 Dell 3007WFP-HC 30" 2560x1600 + Samsung P2350 23" SteelSeries 7G 
PowerCaseMouseMouse Pad
Corsair AX1200 Corsair 800D (480 + 240 Rad Modded) Roccat Kone [+] Roccat Sense (Glacier Blue) 
Audio
Logitech G35 Headset 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
i7-920 @ 4GHz ASUS Rampage III Extreme MSI GTX 580 3GB Lightning Xtreme @ 915/2400 6GB Mushkin Redline 1866 8-8-7-24-1T 
Hard DriveOSMonitorKeyboard
OCZ Vertex 3 240GB, 2TB WD Green Windows 7 Ultimate x64 Dell 3007WFP-HC 30" 2560x1600 + Samsung P2350 23" SteelSeries 7G 
PowerCaseMouseMouse Pad
Corsair AX1200 Corsair 800D (480 + 240 Rad Modded) Roccat Kone [+] Roccat Sense (Glacier Blue) 
Audio
Logitech G35 Headset 
  hide details  
Reply
post #7 of 7
Thread Starter 
Also, to clarify: I am looking to go past 4GHz, seeing as that is achievable on air, I assume on water I could exceed that by a fair bit? Hopefully.
    
CPUMotherboardGraphicsRAM
i7-920 @ 4GHz ASUS Rampage III Extreme MSI GTX 580 3GB Lightning Xtreme @ 915/2400 6GB Mushkin Redline 1866 8-8-7-24-1T 
Hard DriveOSMonitorKeyboard
OCZ Vertex 3 240GB, 2TB WD Green Windows 7 Ultimate x64 Dell 3007WFP-HC 30" 2560x1600 + Samsung P2350 23" SteelSeries 7G 
PowerCaseMouseMouse Pad
Corsair AX1200 Corsair 800D (480 + 240 Rad Modded) Roccat Kone [+] Roccat Sense (Glacier Blue) 
Audio
Logitech G35 Headset 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
i7-920 @ 4GHz ASUS Rampage III Extreme MSI GTX 580 3GB Lightning Xtreme @ 915/2400 6GB Mushkin Redline 1866 8-8-7-24-1T 
Hard DriveOSMonitorKeyboard
OCZ Vertex 3 240GB, 2TB WD Green Windows 7 Ultimate x64 Dell 3007WFP-HC 30" 2560x1600 + Samsung P2350 23" SteelSeries 7G 
PowerCaseMouseMouse Pad
Corsair AX1200 Corsair 800D (480 + 240 Rad Modded) Roccat Kone [+] Roccat Sense (Glacier Blue) 
Audio
Logitech G35 Headset 
  hide details  
Reply
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