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OC'ing my maximus iii extreme

post #1 of 3
Thread Starter 
Hi i'm new so if this isn't the correct place for this thread my apologies. I've been trying to stabilize my computer to a 4.0ghz. I've started with isolating the dram frequency and cpu frequency and raising the bclk up to 200 using 1.20Vcore ran 3 loops of intelburntest and it passed so then i lowered the bclk to 150to test my dram, I set the dram voltage to 1.65, the vcore still at 1.20V, loaded the os ran intelburn for 3 times on maximum of course and it passed.

So now i raised the bclk to 180 still same vcore and dram voltage 1.65 and sorry I forgot to mention my cpu multiplier is standing on 15x until I can get the bclk and memory stabilized first i'm planning on doing cpu last then I only have to worry about vcore and bclk which is good. After saving settings for 180 blck it loads os and I run my test of 3 runs intelburn maximum it passes go to change it to 185,190,200 it fails. 185 posts then starts trying to load windows and it loops it restarts itself, 190 or 200 is no post i'm using LLC also because I was seeing some vdroopage inside the bios it was telling me different vcore then it should be set as.

my goal is to try to get 4.0ghz and my memory is rated 9-9-9-27 2000mhz I would like to try to get that but if not then 9-9-9-27 1600, or whatever works is good also thanks in advanced.
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Intel core i7 860 LGA 1156 socket Asus Maximus III Extreme LGA 1156 socket Xfx HD 5850 1GB 256-bit GDDR5 X2 G skill Ripjaws 8gb ddr3 2000mhz 
Hard DriveOSMonitorKeyboard
OCZ Vertex 2 SSD 60ZGB Windows 7 64bit Professional Asus 23.6" 50,000:1 Razer Arctosa 
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My System
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CPUMotherboardGraphicsRAM
Intel core i7 860 LGA 1156 socket Asus Maximus III Extreme LGA 1156 socket Xfx HD 5850 1GB 256-bit GDDR5 X2 G skill Ripjaws 8gb ddr3 2000mhz 
Hard DriveOSMonitorKeyboard
OCZ Vertex 2 SSD 60ZGB Windows 7 64bit Professional Asus 23.6" 50,000:1 Razer Arctosa 
PowerCaseMouseMouse Pad
XFX Black Edition 850watt ATX 12V Silverstone RV02 Logitech G500 X Trac Pad 
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post #2 of 3
i think your going the wrong way about it. you need to find your stock Vcore first, to do that u simply reset your bios to default, then in the bios under pc health or H/W or what ever look at the detected Vcore, go to your voltage control and set that in, and while your there set your main voltages to the default but off auto. the main voltages are:
CPU VTT: 0.000mv or 0+ (if 0+/0.000mv is not there set to 50+ or 0.050mv
IOH PLL: 1.8000v
CPU PLL: 1.8000v
QPI PLL: 1.1000v
Dram Voltage: 1.65v
IOH Vcore 1.1000v
IOH/ICH: 1.5000v
ICH Vcore: 1.0500v

by taking these off auto it will stop your bios from increasing them. leaving your ram at the auto 1066 manually set in the CL timings of 9-9-9-27-9-88. then boot into windows and test for stability, you really need to run intel burn test for at least 5 laps at 8threads set to the max stress level for it to be effective.

if that passes as stable, go into your bios and increase you BCLK by 2 increments at a time, each time running intel burn test for 5 laps 8 threads to make sure its stable, as soon as you hit an unstable point, increase your Vcore one increment and test again.

when your ram gets over 1600mhz, youll need to start increasing your CPU VTT, for 2000mhz youll be looking at anywhere from 100+mv to 350+mv, any higher than that to run 2000mhz really means that your cpu's imc isnt capable of running that fast and you should back down (remember intel only intended the imc to run 1066mhz ram so dont expect it to run 2000mhz).

if you however find that you reach a point were your cpu overclock cant go any higher and your ram is still way under spec, you can tighten your timings or adjust the uncore and memory multipliers to add more ram speed.
Finally Finished!
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Intel i7 3930K Batch: 3135B495T Gigabyte X79 UD7 GTX 570 3-way SLi Corsair Vengeance 1600mhz CL9 
Hard DriveCoolingOSMonitor
60GB OCZ Vertex II / 3x 500GB Samsung Spinpoint EK Supreme HF Nickel, EK DCP4.0, Stealth GT 360... Windows 7 Ult 64bit Acer 22" G225HQ 
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Finally Finished!
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 3930K Batch: 3135B495T Gigabyte X79 UD7 GTX 570 3-way SLi Corsair Vengeance 1600mhz CL9 
Hard DriveCoolingOSMonitor
60GB OCZ Vertex II / 3x 500GB Samsung Spinpoint EK Supreme HF Nickel, EK DCP4.0, Stealth GT 360... Windows 7 Ult 64bit Acer 22" G225HQ 
KeyboardPowerCaseMouse
Razor Lacosa Mirror Edition Silverstone Strider 1500w  Aerocool X-Preditor  CM Storm Sentinel Advanced 
Mouse Pad
Razer Goliathus Speed edition 
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post #3 of 3
Thread Starter 
Quote:
Originally Posted by Kal777 View Post
i think your going the wrong way about it. you need to find your stock Vcore first, to do that u simply reset your bios to default, then in the bios under pc health or H/W or what ever look at the detected Vcore, go to your voltage control and set that in, and while your there set your main voltages to the default but off auto. the main voltages are:
CPU VTT: 0.000mv or 0+ (if 0+/0.000mv is not there set to 50+ or 0.050mv
IOH PLL: 1.8000v
CPU PLL: 1.8000v
QPI PLL: 1.1000v
Dram Voltage: 1.65v
IOH Vcore 1.1000v
IOH/ICH: 1.5000v
ICH Vcore: 1.0500v

by taking these off auto it will stop your bios from increasing them. leaving your ram at the auto 1066 manually set in the CL timings of 9-9-9-27-9-88. then boot into windows and test for stability, you really need to run intel burn test for at least 5 laps at 8threads set to the max stress level for it to be effective.

if that passes as stable, go into your bios and increase you BCLK by 2 increments at a time, each time running intel burn test for 5 laps 8 threads to make sure its stable, as soon as you hit an unstable point, increase your Vcore one increment and test again.

when your ram gets over 1600mhz, youll need to start increasing your CPU VTT, for 2000mhz youll be looking at anywhere from 100+mv to 350+mv, any higher than that to run 2000mhz really means that your cpu's imc isnt capable of running that fast and you should back down (remember intel only intended the imc to run 1066mhz ram so dont expect it to run 2000mhz).

if you however find that you reach a point were your cpu overclock cant go any higher and your ram is still way under spec, you can tighten your timings or adjust the uncore and memory multipliers to add more ram speed.
I don't see some of the things you listed in my bios like these
CPU VTT: 0.000mv or 0+ (if 0+/0.000mv is not there set to 50+ or 0.050mv
IOH PLL: 1.8000v
QPI PLL: 1.1000v
IOH/ICH: 1.5000v
ICH Vcore: 1.0500v

I think I seen the CPU VTT one there was 2 options for channel a and 2 for channel b I set them to 0mv. I set the ones I could to what they should be like you said anyways, I tested up to 200 bclk and ram at 1600mhz multiplier at 20x, 1.65v dram, 1.25vcore, when I was in intelburntest it said available memory 2000 or so, so I went into control panel > system > and it says 3.25 gigs of ram available what is wrong?
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel core i7 860 LGA 1156 socket Asus Maximus III Extreme LGA 1156 socket Xfx HD 5850 1GB 256-bit GDDR5 X2 G skill Ripjaws 8gb ddr3 2000mhz 
Hard DriveOSMonitorKeyboard
OCZ Vertex 2 SSD 60ZGB Windows 7 64bit Professional Asus 23.6" 50,000:1 Razer Arctosa 
PowerCaseMouseMouse Pad
XFX Black Edition 850watt ATX 12V Silverstone RV02 Logitech G500 X Trac Pad 
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Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel core i7 860 LGA 1156 socket Asus Maximus III Extreme LGA 1156 socket Xfx HD 5850 1GB 256-bit GDDR5 X2 G skill Ripjaws 8gb ddr3 2000mhz 
Hard DriveOSMonitorKeyboard
OCZ Vertex 2 SSD 60ZGB Windows 7 64bit Professional Asus 23.6" 50,000:1 Razer Arctosa 
PowerCaseMouseMouse Pad
XFX Black Edition 850watt ATX 12V Silverstone RV02 Logitech G500 X Trac Pad 
  hide details  
Reply
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