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[HELP] Overclocking i7 920

post #1 of 5
Thread Starter 
Okay I'm getting seriously frustrated overclocking this bad boy. I don't know what's safe to turn up, or how much to turn it up to get this thing 4GHz stable. I have it stable with Turbo Boost turned on to get the 4GHz and that's all fine and dandy, but the temps are RIDICULOUS. The QPI/VTT voltage almost has to be 1.4v, and the vcore only has to be 1.33v. The IOH core is another option but I don't know what it is or what to do with it and the RAM i'm all good with. It's so different from my 780i in terms of ease of use Anyone who has their processor with a P6T Deluxe or my board should be able to give some insight. Thanks again guys!
Edited by swatsor - 12/13/08 at 1:02pm
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Core i7 920 @ 4GHz w/ 1.34v Gigabyte EX58-UD5 w/ F5g BIOS Visiontek HD4870X2 2GB GDDR5 3x1GB Patriot Viper DDR3-1600 
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Core i7 Rig
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Core i7 920 @ 4GHz w/ 1.34v Gigabyte EX58-UD5 w/ F5g BIOS Visiontek HD4870X2 2GB GDDR5 3x1GB Patriot Viper DDR3-1600 
Hard DriveOptical DriveOSMonitor
640GB Samsung SpinPoint F1 SATAII 16MB Cache LG DVD+RW Lightscribe SATA Windows Vista Home Premium x64 SP1 22" Samsung SyncMaster 226BW 
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post #2 of 5
You know when E8xxx came out, every program read the temps completely wrong, do you think your programs could be doing the same thing, or are they also high in the bios?
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post #3 of 5
Thread Starter 
Quote:
Originally Posted by joemaniaci View Post
You know when E8xxx came out, every program read the temps completely wrong, do you think your programs could be doing the same thing, or are they also high in the bios?
Well they're okay in the bios, like idling at 35/36 or whatever, but RealTemp (newest version available) reports temps of 90*C at load. The Gigabyte EasyTune 6 (lame I know) reports 70*C. I thought i'd give the gigabyte tool a try just to see...maybe they have an edge by accessing something that generic tools cannot?
Core i7 Rig
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CPUMotherboardGraphicsRAM
Core i7 920 @ 4GHz w/ 1.34v Gigabyte EX58-UD5 w/ F5g BIOS Visiontek HD4870X2 2GB GDDR5 3x1GB Patriot Viper DDR3-1600 
Hard DriveOptical DriveOSMonitor
640GB Samsung SpinPoint F1 SATAII 16MB Cache LG DVD+RW Lightscribe SATA Windows Vista Home Premium x64 SP1 22" Samsung SyncMaster 226BW 
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Razer Lycosa Corsair HX1000W Modular PSU Cooler Master H.A.F. 932 Logitech G9 
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Core i7 Rig
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CPUMotherboardGraphicsRAM
Core i7 920 @ 4GHz w/ 1.34v Gigabyte EX58-UD5 w/ F5g BIOS Visiontek HD4870X2 2GB GDDR5 3x1GB Patriot Viper DDR3-1600 
Hard DriveOptical DriveOSMonitor
640GB Samsung SpinPoint F1 SATAII 16MB Cache LG DVD+RW Lightscribe SATA Windows Vista Home Premium x64 SP1 22" Samsung SyncMaster 226BW 
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post #4 of 5
Thread Starter 
alright so it looks like I fixed my temps a bit. I'm rocking 26*C idle in BIOS with re-applied G751 at stock voltages and clocks and loading at 40*C. Looks like I'm on the road to success. Still looking for opinions!
Core i7 Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 920 @ 4GHz w/ 1.34v Gigabyte EX58-UD5 w/ F5g BIOS Visiontek HD4870X2 2GB GDDR5 3x1GB Patriot Viper DDR3-1600 
Hard DriveOptical DriveOSMonitor
640GB Samsung SpinPoint F1 SATAII 16MB Cache LG DVD+RW Lightscribe SATA Windows Vista Home Premium x64 SP1 22" Samsung SyncMaster 226BW 
KeyboardPowerCaseMouse
Razer Lycosa Corsair HX1000W Modular PSU Cooler Master H.A.F. 932 Logitech G9 
Mouse Pad
FOXCONN 
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Core i7 Rig
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CPUMotherboardGraphicsRAM
Core i7 920 @ 4GHz w/ 1.34v Gigabyte EX58-UD5 w/ F5g BIOS Visiontek HD4870X2 2GB GDDR5 3x1GB Patriot Viper DDR3-1600 
Hard DriveOptical DriveOSMonitor
640GB Samsung SpinPoint F1 SATAII 16MB Cache LG DVD+RW Lightscribe SATA Windows Vista Home Premium x64 SP1 22" Samsung SyncMaster 226BW 
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FOXCONN 
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post #5 of 5
Quote:
Originally Posted by swatsor View Post
Okay I'm getting seriously frustrated overclocking this bad boy. I don't know what's safe to turn up, or how much to turn it up to get this thing 4GHz stable. I have it stable with Turbo Boost turned on to get the 4GHz and that's all fine and dandy, but the temps are RIDICULOUS. The QPI/VTT voltage almost has to be 1.4v, and the vcore only has to be 1.33v. The IOH core is another option but I don't know what it is or what to do with it and the RAM i'm all good with. It's so different from my 780i in terms of ease of use Anyone who has their processor with a P6T Deluxe or my board should be able to give some insight. Thanks again guys!
Keep V QPI below 1.35 (intel's limit)
IOH at 1.2
Can bump up Vcore to 1.35 or so.

This chip or the x58 seems to have a challenge around 4.0. 3.9 is easy, 4.0 or 4.1 seems to take a lot more voltage and has stability challenges.
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My System
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