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help with Core i7 860 overclock please! - Page 4

post #31 of 75
Thread Starter 
Quote:
Originally Posted by anubis1127 View Post

So you can see how much adjusting the offset voltage increasing your vcore. Try gradually increasing the offset higher, +.0018 -> +.0024, etc, until you get to around 1.25-1.3v in windows.

ummm... now I understand, but as I mentioned earlier, once I increase the voltage to (+0.0024) it turns to red, as a remark of a dangerous action, so I get scared... is it safe to proceed in spite of the motherboard warning ??
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my humble epic
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post #32 of 75
Thread Starter 
I have just increased the CPU voltage for the stock BCLK in BIOS, I increased the voltage to (+0.0018) and here you can compare as you asked, please check out the following snapshots:

1 - on stock speed and voltage without running Prime 95 :

400

2 - with stock speed and voltage with Prime95 running:

399

3- this one has been taken after modifying the voltage in BIOS to (+0.0018) for the stock BCLK speed, and with Prime95 running:

396
my humble epic
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my humble epic
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post #33 of 75
Quote:
Originally Posted by the magical me View Post

I have just increased the CPU voltage for the stock BCLK in BIOS, I increased the voltage to (+0.0018) and here you can compare as you asked, please check out the following snapshots:
1 - on stock speed and voltage without running Prime 95 :
400
2 - with stock speed and voltage with Prime95 running:
399
3- this one has been taken after modifying the voltage in BIOS to (+0.0018) for the stock BCLK speed, and with Prime95 running:
396

OK, looks good, it looks like the offset voltage took properly, I would continue upping it, ignoring the red color. Even with an MSI board you should be able to safely run your CPU at 1.25v-1.3v no prob.
post #34 of 75
Thread Starter 
I think increasing the Voltage to (+0.0024) will add another six notches to the previous (0+.0018) right ? since setting the voltage from stock to (0+.0018) added 18 notches to the max default voltage settings which was 1.112 with Prime95 running.
my humble epic
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my humble epic
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post #35 of 75
Thread Starter 
oh... maaaaan.. I need you to be with me and then grab my hand and force me add all this voltage.... man... I am so much coward !
my humble epic
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my humble epic
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post #36 of 75
Quote:
Originally Posted by the magical me View Post

oh... maaaaan.. I need you to be with me and then grab my hand and force me add all this voltage.... man... I am so much coward !

lol, nothing to fear, you're still well under the max voltage for that CPU. Only thing I would fear is your mobo, MSI's are notorious for exploding vrms. Good Luck!
post #37 of 75
Thread Starter 
Quote:
Originally Posted by anubis1127 View Post

lol, nothing to fear, you're still well under the max voltage for that CPU. Only thing I would fear is your mobo, MSI's are notorious for exploding vrms. Good Luck!

eek.gif dear me eek.gif

I will see what can I do and report back.
my humble epic
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CPUMotherboardGraphicsRAM
Core i7 860 @ stock. Intel DH55CT MSi N450GTS Cyclone OC @900C, 1800Memory, 1900S... Kingston 2x2 GB DDR3 1333 + 4 GB x1 AsRock DDR3 
Hard DriveOptical DriveOptical DriveCooling
Hitachi 250 GB SATA, 7200RPM, 8MB cache. LG DVD writer x22 Asus Lite Scribe DVD writer x18. AMA Phantom air cooler. 
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my humble epic
(17 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 860 @ stock. Intel DH55CT MSi N450GTS Cyclone OC @900C, 1800Memory, 1900S... Kingston 2x2 GB DDR3 1333 + 4 GB x1 AsRock DDR3 
Hard DriveOptical DriveOptical DriveCooling
Hitachi 250 GB SATA, 7200RPM, 8MB cache. LG DVD writer x22 Asus Lite Scribe DVD writer x18. AMA Phantom air cooler. 
OSMonitorKeyboardPower
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Magic Delux USB. Teletabies built-in RealTek HD. for Creative 4.1 Supwoofer . 
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post #38 of 75
Thread Starter 
the last voltage value I reached so far is (+0.049) = 1.144 (full load) for 160 x21 = 3372.

but not all cores were running again when running Prime 95.
my humble epic
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CPUMotherboardGraphicsRAM
Core i7 860 @ stock. Intel DH55CT MSi N450GTS Cyclone OC @900C, 1800Memory, 1900S... Kingston 2x2 GB DDR3 1333 + 4 GB x1 AsRock DDR3 
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Hitachi 250 GB SATA, 7200RPM, 8MB cache. LG DVD writer x22 Asus Lite Scribe DVD writer x18. AMA Phantom air cooler. 
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my humble epic
(17 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 860 @ stock. Intel DH55CT MSi N450GTS Cyclone OC @900C, 1800Memory, 1900S... Kingston 2x2 GB DDR3 1333 + 4 GB x1 AsRock DDR3 
Hard DriveOptical DriveOptical DriveCooling
Hitachi 250 GB SATA, 7200RPM, 8MB cache. LG DVD writer x22 Asus Lite Scribe DVD writer x18. AMA Phantom air cooler. 
OSMonitorKeyboardPower
Windows 7 ultimate SP1 64-bit LG E2260 LED 22 inch wide 1080P full HD. Genius PS2 FSP Everest 80plus 800 watt quad-rail. 
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post #39 of 75
Thread Starter 
increasing the voltage to (+0.074) yielded to 1.168 in CPU-Z for 162 x 21 = 3402 in BIOs (3414 in Windows).


395.


running Prime95 with these settings, I got 6 workers out of 8 working, worker fifth and sixth reported errors. does this mean I need to increase the voltage even more ??


463


I also noticed that when I ran Prime95, the voltage dropped from 1.168 to 1.144... instead of going up !!??

402

and here are the temps, sure we can't depend on it as it barely ran for a couple of minutes:

355


Edit: the increased voltage value has been corrected, I increased it to 0.074 in Bios (not 0.061).
Edited by the magical me - 5/11/12 at 10:16am
my humble epic
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CPUMotherboardGraphicsRAM
Core i7 860 @ stock. Intel DH55CT MSi N450GTS Cyclone OC @900C, 1800Memory, 1900S... Kingston 2x2 GB DDR3 1333 + 4 GB x1 AsRock DDR3 
Hard DriveOptical DriveOptical DriveCooling
Hitachi 250 GB SATA, 7200RPM, 8MB cache. LG DVD writer x22 Asus Lite Scribe DVD writer x18. AMA Phantom air cooler. 
OSMonitorKeyboardPower
Windows 7 ultimate SP1 64-bit LG E2260 LED 22 inch wide 1080P full HD. Genius PS2 FSP Everest 80plus 800 watt quad-rail. 
CaseMouseMouse PadAudio
Magic Delux USB. Teletabies built-in RealTek HD. for Creative 4.1 Supwoofer . 
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my humble epic
(17 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 860 @ stock. Intel DH55CT MSi N450GTS Cyclone OC @900C, 1800Memory, 1900S... Kingston 2x2 GB DDR3 1333 + 4 GB x1 AsRock DDR3 
Hard DriveOptical DriveOptical DriveCooling
Hitachi 250 GB SATA, 7200RPM, 8MB cache. LG DVD writer x22 Asus Lite Scribe DVD writer x18. AMA Phantom air cooler. 
OSMonitorKeyboardPower
Windows 7 ultimate SP1 64-bit LG E2260 LED 22 inch wide 1080P full HD. Genius PS2 FSP Everest 80plus 800 watt quad-rail. 
CaseMouseMouse PadAudio
Magic Delux USB. Teletabies built-in RealTek HD. for Creative 4.1 Supwoofer . 
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post #40 of 75
Thread Starter 
now after increasing the voltage to (+0.086) in BIOS, which has yielded in 1.176 in Windows, worker 5 and worker 6 are still reporting errors, and CPU meter showed only 6 cores are being utilized.

what now ?? more voltage ??
my humble epic
(17 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 860 @ stock. Intel DH55CT MSi N450GTS Cyclone OC @900C, 1800Memory, 1900S... Kingston 2x2 GB DDR3 1333 + 4 GB x1 AsRock DDR3 
Hard DriveOptical DriveOptical DriveCooling
Hitachi 250 GB SATA, 7200RPM, 8MB cache. LG DVD writer x22 Asus Lite Scribe DVD writer x18. AMA Phantom air cooler. 
OSMonitorKeyboardPower
Windows 7 ultimate SP1 64-bit LG E2260 LED 22 inch wide 1080P full HD. Genius PS2 FSP Everest 80plus 800 watt quad-rail. 
CaseMouseMouse PadAudio
Magic Delux USB. Teletabies built-in RealTek HD. for Creative 4.1 Supwoofer . 
Other
Technisat Skystar2 PCI satellite card. 
  hide details  
Reply
my humble epic
(17 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 860 @ stock. Intel DH55CT MSi N450GTS Cyclone OC @900C, 1800Memory, 1900S... Kingston 2x2 GB DDR3 1333 + 4 GB x1 AsRock DDR3 
Hard DriveOptical DriveOptical DriveCooling
Hitachi 250 GB SATA, 7200RPM, 8MB cache. LG DVD writer x22 Asus Lite Scribe DVD writer x18. AMA Phantom air cooler. 
OSMonitorKeyboardPower
Windows 7 ultimate SP1 64-bit LG E2260 LED 22 inch wide 1080P full HD. Genius PS2 FSP Everest 80plus 800 watt quad-rail. 
CaseMouseMouse PadAudio
Magic Delux USB. Teletabies built-in RealTek HD. for Creative 4.1 Supwoofer . 
Other
Technisat Skystar2 PCI satellite card. 
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