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OC won't stick - 2600k

post #1 of 28
Thread Starter 
hey all. i'm trying to OC the cpu on the rig in my sig. I manually set my vcore and multiplier and timings (timings held to stock), but my vcore and multiplier are fluctuating like crazy when running prime95.

I'm at 1.4v and a 46x multiplier. This is my first OC ever...are these things supposed to fluctuate????
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3820 For Me
(10 items)
 
2600k overkill
(13 items)
 
 
CPUMotherboardGraphicsRAM
SB-E 3820 Asrock X79 extreme6 Sapphire 2GB 6950  G.Skill Ripjaws X DDR3 
Hard DriveCoolingOSMonitor
Crucial M4 Corsair H80 Windows 7 Ultimate Samsung 700DD 
PowerCase
Corsair HX750 Haf 932 
CPUMotherboardGraphicsRAM
2600k can't OC :( Asrock Z68 Extreme4 Sapphire 6950 2gb Flex 16gb Gskill Ripjaws X 1600 
Hard DriveOptical DriveOSMonitor
1TB F3 Asus Windows 7 Ultimate 64bit Dell U23h11 
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post #2 of 28
Thread Starter 
ratio/multi is fluctuation from 38 - 46 but usually sticks around 39 and vcore fro 1.238 - 1.38 or so...its like my manual settings had no impact and the system is doing what it wants to...
3820 For Me
(10 items)
 
2600k overkill
(13 items)
 
 
CPUMotherboardGraphicsRAM
SB-E 3820 Asrock X79 extreme6 Sapphire 2GB 6950  G.Skill Ripjaws X DDR3 
Hard DriveCoolingOSMonitor
Crucial M4 Corsair H80 Windows 7 Ultimate Samsung 700DD 
PowerCase
Corsair HX750 Haf 932 
CPUMotherboardGraphicsRAM
2600k can't OC :( Asrock Z68 Extreme4 Sapphire 6950 2gb Flex 16gb Gskill Ripjaws X 1600 
Hard DriveOptical DriveOSMonitor
1TB F3 Asus Windows 7 Ultimate 64bit Dell U23h11 
PowerCaseMouseMouse Pad
Corsair 750HX HAF 932 Gigabyte something or other um, who cares really? 
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3820 For Me
(10 items)
 
2600k overkill
(13 items)
 
 
CPUMotherboardGraphicsRAM
SB-E 3820 Asrock X79 extreme6 Sapphire 2GB 6950  G.Skill Ripjaws X DDR3 
Hard DriveCoolingOSMonitor
Crucial M4 Corsair H80 Windows 7 Ultimate Samsung 700DD 
PowerCase
Corsair HX750 Haf 932 
CPUMotherboardGraphicsRAM
2600k can't OC :( Asrock Z68 Extreme4 Sapphire 6950 2gb Flex 16gb Gskill Ripjaws X 1600 
Hard DriveOptical DriveOSMonitor
1TB F3 Asus Windows 7 Ultimate 64bit Dell U23h11 
PowerCaseMouseMouse Pad
Corsair 750HX HAF 932 Gigabyte something or other um, who cares really? 
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post #3 of 28
How much fluctuation are you seeing?

Edit: Whoa, how did you read my mind like that?
It's a computer!
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i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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It's a computer!
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i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #4 of 28
Is everything disabled? spread spectrum.. c1e.. I am not too familiar with your Asrock.
post #5 of 28
Thread Starter 
yes, both those were....but I didn't do anything with the vdroop...which I heard is the cause for my voltage fluctuation which in turn may be causing my vcore to not stick and thus my OC not be stable.

Does anyone have a for sure OC that should work? For example, can I set my vcore to say 1.45 and use a 40x multiplier and it work for sure? Or does the vcore have to be closely connected with the multiplier? In other words, if bumping the vcore always helps with stability...can I have a high vcore and low multiplier and everything be stable (if I'm not worried about heat) for sure. Do people only want a low vcore because they want low heat and less chip degradation and to be more green? Or does the vcore have to be just right (it can't be too high for example)?

Sorry for the noob questions! Thanks for the help!
3820 For Me
(10 items)
 
2600k overkill
(13 items)
 
 
CPUMotherboardGraphicsRAM
SB-E 3820 Asrock X79 extreme6 Sapphire 2GB 6950  G.Skill Ripjaws X DDR3 
Hard DriveCoolingOSMonitor
Crucial M4 Corsair H80 Windows 7 Ultimate Samsung 700DD 
PowerCase
Corsair HX750 Haf 932 
CPUMotherboardGraphicsRAM
2600k can't OC :( Asrock Z68 Extreme4 Sapphire 6950 2gb Flex 16gb Gskill Ripjaws X 1600 
Hard DriveOptical DriveOSMonitor
1TB F3 Asus Windows 7 Ultimate 64bit Dell U23h11 
PowerCaseMouseMouse Pad
Corsair 750HX HAF 932 Gigabyte something or other um, who cares really? 
  hide details  
Reply
3820 For Me
(10 items)
 
2600k overkill
(13 items)
 
 
CPUMotherboardGraphicsRAM
SB-E 3820 Asrock X79 extreme6 Sapphire 2GB 6950  G.Skill Ripjaws X DDR3 
Hard DriveCoolingOSMonitor
Crucial M4 Corsair H80 Windows 7 Ultimate Samsung 700DD 
PowerCase
Corsair HX750 Haf 932 
CPUMotherboardGraphicsRAM
2600k can't OC :( Asrock Z68 Extreme4 Sapphire 6950 2gb Flex 16gb Gskill Ripjaws X 1600 
Hard DriveOptical DriveOSMonitor
1TB F3 Asus Windows 7 Ultimate 64bit Dell U23h11 
PowerCaseMouseMouse Pad
Corsair 750HX HAF 932 Gigabyte something or other um, who cares really? 
  hide details  
Reply
post #6 of 28
Thread Starter 
Bumpitty Bump...

Help this noob! Please!!!!
3820 For Me
(10 items)
 
2600k overkill
(13 items)
 
 
CPUMotherboardGraphicsRAM
SB-E 3820 Asrock X79 extreme6 Sapphire 2GB 6950  G.Skill Ripjaws X DDR3 
Hard DriveCoolingOSMonitor
Crucial M4 Corsair H80 Windows 7 Ultimate Samsung 700DD 
PowerCase
Corsair HX750 Haf 932 
CPUMotherboardGraphicsRAM
2600k can't OC :( Asrock Z68 Extreme4 Sapphire 6950 2gb Flex 16gb Gskill Ripjaws X 1600 
Hard DriveOptical DriveOSMonitor
1TB F3 Asus Windows 7 Ultimate 64bit Dell U23h11 
PowerCaseMouseMouse Pad
Corsair 750HX HAF 932 Gigabyte something or other um, who cares really? 
  hide details  
Reply
3820 For Me
(10 items)
 
2600k overkill
(13 items)
 
 
CPUMotherboardGraphicsRAM
SB-E 3820 Asrock X79 extreme6 Sapphire 2GB 6950  G.Skill Ripjaws X DDR3 
Hard DriveCoolingOSMonitor
Crucial M4 Corsair H80 Windows 7 Ultimate Samsung 700DD 
PowerCase
Corsair HX750 Haf 932 
CPUMotherboardGraphicsRAM
2600k can't OC :( Asrock Z68 Extreme4 Sapphire 6950 2gb Flex 16gb Gskill Ripjaws X 1600 
Hard DriveOptical DriveOSMonitor
1TB F3 Asus Windows 7 Ultimate 64bit Dell U23h11 
PowerCaseMouseMouse Pad
Corsair 750HX HAF 932 Gigabyte something or other um, who cares really? 
  hide details  
Reply
post #7 of 28
Do you have the LLC option on your bios? that prevents vdroop
My System
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My System
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Intel Processor i7 4790K MAXIMUS VII HERO NVIDIA GeForce GTX 970 G.Skill 1600 16GB 
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Crucial M100 256GB WINDOW7 64 bit Benq XL2420Z CORSAIR Professional Series HX650 
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post #8 of 28
So lemme get this clear, under 100% load your CPU multi fluctuates? Voltage fluctuating is normal, to an extent. Speedstep and C1E allow the multi to drop (downclock) when it is NOT under load, this does not effect overlocking and is a neat feature that should be enabled, it will help overall temps and longitivity of your CPU.

EDIT: Under 100% LOAD my cpu voltage fluctuates from 1.464 to 1.488 but mainly stays at around 1.472/1.480v, however my multi does NOT change under load.
Edited by munaim1 - 7/21/11 at 11:20am
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it looks alive
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Hard DriveHard DriveCoolingOS
Intel X25-M G2 80GB 3x Samsung F3 500GB RAID 0 EK Supreme HF Full Copper Windows 7 Ultimate 64bit 
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post #9 of 28
change :

Intel Turbo Boost technology from 118 to 150-180
turbo boost power limit from 95 to 120-140
The Downgrade
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post #10 of 28
Quote:
Originally Posted by nckid4u View Post
change :

Intel Turbo Boost technology from 118 to 150-180
turbo boost power limit from 95 to 120-140
THIS^^, I forgot to mention that

Try this if your multi fluctuates during load:

Turbo Boost power limit: Manual
->Short Duration power Limit [w]: 180
->Long Duration Power Limit [w]: 140
->Long Duration Power Limit [sec.]: 1


Hope that helps
it looks alive
(17 items)
 
Sandy Transformed
(69 photos)
 
CPUMotherboardGraphicsRAM
i5 2500K [5ghz 1.44v 24/7] Asus Maximus IV Extreme SLI GTX 460 @ 920/1840/4100 [1.11v] 4GB Dominator GT @ 2133mhz CL8 [1.65v] 
Hard DriveHard DriveCoolingOS
Intel X25-M G2 80GB 3x Samsung F3 500GB RAID 0 EK Supreme HF Full Copper Windows 7 Ultimate 64bit 
MonitorPowerCaseAudio
LG42SL9500 42" 1080p [Surround Soon] XFX XXX Edition 650w Xigmatec Elysium JVC HA-RX700 [foam mod] 
  hide details  
Reply
it looks alive
(17 items)
 
Sandy Transformed
(69 photos)
 
CPUMotherboardGraphicsRAM
i5 2500K [5ghz 1.44v 24/7] Asus Maximus IV Extreme SLI GTX 460 @ 920/1840/4100 [1.11v] 4GB Dominator GT @ 2133mhz CL8 [1.65v] 
Hard DriveHard DriveCoolingOS
Intel X25-M G2 80GB 3x Samsung F3 500GB RAID 0 EK Supreme HF Full Copper Windows 7 Ultimate 64bit 
MonitorPowerCaseAudio
LG42SL9500 42" 1080p [Surround Soon] XFX XXX Edition 650w Xigmatec Elysium JVC HA-RX700 [foam mod] 
  hide details  
Reply
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