Hey guys i need help. i did my first over clocking last time and i set it to 4.6Mhz at all cores and it was running at 4.6mhz all the time, then i tried bumping it up to 4.7Mhz and now it fluctuates down like this except when it its working 100% it is on 4.7Mhz. Any suggestion or ideas to make it work at 4.7Mhz again? 

I have reached i5 6600k  4.6 Ghz  Offset +105 looks like stable before I got some blue screen problems . 

EVGA_JacobF
I prefer Adaptive voltage as opposed to override on Sandy/Ivy/Skylake platforms. I just have better voltage stability and generally better overclocks with adaptive instead of overriding. Overriding can cause some oddities sometimes at least in my experience.

Hi Jacob, could you please tell me what test you ran on Prime95 (Blend? max temp?) also what version of Prime95 you were using? I have a custom loop water cooled PC, Same processor, memory and motherboard as you but my temps during the test were close to 78C.. at stock values my CPU stays at 22C and under load max 36C - 40C so something doesn't add up in my case.
 
Thanks in advance 

Thanks for the Guide,very informative.

xRalph
Hey guys i need help. i did my first over clocking last time and i set it to 4.6Mhz at all cores and it was running at 4.6mhz all the time, then i tried bumping it up to 4.7Mhz and now it fluctuates down like this except when it its working 100% it is on 4.7Mhz. Any suggestion or ideas to make it work at 4.7Mhz again? 

So you're saying your OC is not staying @ 4.7 100% of the time like just on desktop with task manager open the clocks will fall to 1.6ghz when cores are not in use then jump to 4.6-4.7 when opening a application?
 
What is your PCs power plan on I have seen mine on a reformat fresh install do this once before setting my pc's power plan up
 
Control Panel\Hardware and Sound\Power Options
 
Custom / HIGH PERFORMANCE
 
Give that a shot and try monitoring with HWinfo very good program

Under cpu settings, should we leave turbo setting on or off?

Something weird. My turbo core clock is the same as stock or below even though I'm overclocked to 4.6 following Jacob's Overclocker's guide. Been doing overclocking for years! What did I do wrong? Below is from my score result.
Sometimes it even Shows 4,000 MHz and turbo is Lower at 3,800MHz???? MY TURBO IS ON.
 
FROM 3D Mark overclocking results:
ProcessorIntel Core i7-6700K
Reported stock core clock4,000 MHz
Maximum turbo core clock4,000 MHz
Physical / logical processors1 / 8
# of cores4
PackageLGA1151
Manufacturing process
14 nm
TDP95 
 
BASICS
What EVGA Z170 Motherboard do you have?  Please place an X between the parentheses of the model number you are referencing.
 
()  111-SS-E172                       ()  140-SS-E177                       ()  142-SS-E178                      
(x)  151-SS-E179
 
What BIOS revision are you running on? 1.09
 
What previous BIOS revisions have been tried?1.01
 
(IF APPLICABLE) have the other physical BIOS’s been tested? YES
*NOTE*  Not all motherboards have this switch and depending on the model there can be a 2 or 3 position BIOS switch.  Please see the manuals for the specific boards here:
Z170 Classified:  http://www.evga.com/support/manuals/files/151-SS-E179.pdf go to page 11, number 32 on the mid right side of the board just below the 24 pin.
Z170 Classified-K: http://www.evga.com/support/manuals/files/142-SS-E178.pdf go to page 11, number 35 on the mid right side of the board just below the 24 pin.
Z170 FTW, and Z170 Stinger do not have multiple BIOS’s
 
What Operating system are you running?  Be sure to specify Standard, Pro, Ultimate, and 32 or 64bit. 10 Pro 64bit Recent Anniversary update
 
Components -Internal
What specific model CPU do you have? 6700K
            Is it overclocked?  Please place an X next to appropriate answer.    Yes: (X)  No: ()
            If you are overclocked, what speed is the CPU running at? Set 4.6 but running 4.0 
What cooling solution is installed?  If it is water cooled, specify make and model of All-In-One kit (for instance H100i), or FULL specs and order of components in the custom loop. Swiftech H220 stock loop only CPU 
 
What are your temperatures, in Celsius, for CPU and GPU both at idle and under load in a benchmark?
            What bench marking software are you using? CPU 37c to 50c  GPU 32c to 38C 1080 Hybrid
 
What specific model of memory do you have?
            How many kits of memory? Trident Z F4-3000c 15D 4x8 32G
            Is it overclocked?  Please place an X next to appropriate answer.    Yes: ()  No: (X) BUT Running XMP 1
            If you have tested DIFFERENT memory, please supply the full model for this as well.
 
What specific model of Power Supply Unit (PSU) CORSAIR RM 1000
            Do you actively use more than 1 PSU in your system?  Yes: ()  No: (X)
            If YES to the previous question, what exact model?
            Have you tested with a different PSU?  Yes: ()  No: (X)
            If YES to the previous question, what exact model?
            How old are the PSU(s) in question? 1yr
            Check all attached MOTHERBOARD power headers: 
            (X) 24 Pin           (X) 8pin EPS 1    () 8pin EPS2     (X) 6pin PCIE on bottom of motherboard
*If the EPS is plugged in and the release is not on the same side as the tab on the MB EPS header, then you likely have a PCIE 8 pin header plugged in.  Detach immediately and do NOT power on as this may cause irreparable damage.**
EPS connector is shown http://www.evga.com/support/manuals/files/151-SS-E179.pdf page 11 number 29, there is a tab on the top that the clip of a power cable holds onto.  You can see a more clear picture of the connector on page 21.  The tab on the socket and the release on the cable have to click over each other.  If not, please get a picture and post it in your troubleshooting thread and we will assist further, do NOT turn it on if these are not aligned.
 
Check the slots that are populated and provide specific of Component, brand, part number if available of the item present.  If the slot is NOT populated please list it as “Empty”, “Unused”, or something to give clear indication that a slot is NOT in use, so there is no grey area in the configuration.
Not all slots are applicable to every board, but this form covers the entire chipset.
The slot listings below are counting ALL slots of 1x, 4x, and 16x from top to bottom, this is not only for the full size slots.
 
Note: PCI-E 1 is ALWAYS the slot closest to the CPU, and the numbers count up as you move down the board.
 
(X)  PCI-E 1:
            PCI-E Disable Switch in the ON position?  Yes: (X)  No: ()
 
()  PCI-E 2: 
            PCI-E Disable Switch in the ON position?  Yes: ()  No: ()
 
()  PCI-E 3: 
            PCI-E Disable Switch in the ON position?  Yes: ()  No: ()
 
()  PCI-E 4: 
            PCI-E Disable Switch in the ON position?  Yes: ()  No: ()
 
()  PCI-E 5: 
            PCI-E Disable Switch in the ON position?  Yes: ()  No: ()
 
()  PCI-E 6: 
            PCI-E Disable Switch in the ON position?  Yes: ()  No: ()
 
()  M.2 Key M 110mm: (Typically used for SSD's)
            Enabled in BIOS?  Yes: ()  No: (X)
 
()  M.2 Key M 80mm: (Typically used for SSD's)
            Enabled in BIOS?  Yes: ()  No: (X)
 
()  M.2 Key E: (Typically used for smaller devices such as WiFi cards)
            Enabled in BIOS?  Yes: ()  No: (X)
 
()  SATA3/6g RAID Ports (please elaborate on RAID settings if present):
            Is Hot Swap enabled on populated ports?  Yes: ()  No: ()
 
()  SATA3/6g AHCI Ports:
            Is Hot Swap enabled on populated ports?  Yes: (X)  No: ()
 
If you are overclocking your video card(s), please include what software and what version you are using. EVGA PRECISION XOC
 
 
Components – I/O Panel
Check the slots that are populated and provide specific of Component, brand, part number if available of the item present.
Not all slots are applicable to every board, but this form covers the entire chipset.
 
All rear IO that have multiple connectors, such as USB, are counted top to bottom, left to right.
 
(X)  USB 2.0 1: 
 
(X)  USB 2.0 2: 
 
(X)  USB 3.0 1: 
 
(X)  USB 3.0 2: 
 
(X)  USB 3.0 3: 
 
(X)  USB 3.0 4: 
 
()  USB 3.0 5: 
 
()  USB 3.0 6: 
 
()  USB 3.1 1: 
 
()  USB 3.1 2: 
 
()  USB 3.1 Type C: 
 
(X)  CAT5 1 (enabled/disabled in BIOS): 
 
()  CAT5 2 (enabled/disabled in BIOS): 
 
()  Analog Audio headers (standard 2 /2.1 speakers or headphones use green):
 
()  Optical Out
 
(X)  HDMI
 
(X)  Display Port
 
Components – Front Panel Headers
Check the components that are in use and provide specific of Component, brand, part number, or link (such as a 5.25 bay that has USB 2/3/eSATA on it) if available of the item present.  Also what are these ports plugged into?  A straight header (such as a power switch or front headphone and mic ports), or a component with its own PCB (for instance the module on the top of a CM Cosmos Case where the components are attached to a PCB with other components involved for additional function). 
Not all slots are applicable to every board, but this form covers the entire chipset.
 
At any header are you using some intermediary cabling, such as: http://koolance.com/image/cache/data/products/cbl-aw002p_p1-700x700.jpgfor example?  If the system was working and can no longer power on and there is a third party cable between the motherboard and its intended device, it would be advisable to test without it being present.
 
(X)  Power Switch
            LED in use?  Yes: ()  No: ()
            If yes, have you verified +/- in correct place?
           
(X)  Reset Switch
            LED in use?  Yes: ()  No: ()
            If yes, have you verified +/- in correct place?
 
()  USB 2.0 FP Header attached
 
(X)  USB 3.0 FP Header attached
 
()  USB 3.1 FP Header attached
 
()  S/PDIF Header
 
()  FP Audio Header
 
()  Thunderbolt GPIO Header
 
 
BIOS
Have you changed anything in the BIOS?  Yes: (X)  No: ()
            If yes, are these basic settings such as boot order, raid enabling, XMP, etc.? NO
 
Is your PC running in Legacy BIOS mode, or UEFI mode?  If you are unsure, go into the BIOS, under BOOT, go to CSM Configuration and list all of the settings in that menu. LEGACY
 
Have you overclocked?  Yes: (X)  No: ()
Please go over EXACT setting changes from stock on the BIOS. CPU Multiplier Manual/Setting 46./Vcore Adaptive/Target voltage Auto/Offset voltage +25 (Stable)  
Please include EVERY voltage adjustment and value/frequency that was changed, and what it was changed to. 
 Offset voltage +25
Have you tried resetting the BIOS, either by one of the BIOS reset buttons or by Loading Defaults from within the BIOS? YES
 
If you have a pic hosting account, for instance at flickr or something else of that nature, full pics of your BIOS, or at least what you have changed being posted here then linking to the album could be VERY helpful as well. SEE ABOVE RESULTS TEXT COPIED FROM 3D Mark Scores
 
Problem description Overclocking as usual. SET TO 4.6 in bios. Not sure what I'm missing, or have forgotten. I followed EVGAJacobF overclocking guide again. All of a sudden after countless successes, I'm getting a turbo result below or equal to my Stock Core Clock
Please be as specific as possible
 
 
 
Steps taken so far to resolve the issue
Please be as specific as possible, also if possible, please put them in order, as in some cases that can make a difference.
 RESET BIOS, USED OTHER AVAILABLE BIOS SELECTIONS. Followed Overclocking guide. Research on google. 
 
Followed some EVGA Forum advice.
 

• Made sure EIST was on.
• Set as Adaptive, changed offset to 0 and set a Target voltage.
• Turned off/on C1
• Checked Power Management in control panel. =Set to High Performance. 

After much consideration and testing, I believe this is from unstable conditions at high settings. Once I started testing it with a multiplier of 4.6 or below with the proper voltage offset, I have had positive results. I think this is resolved in my estimation. 
 
Thanks, Bret

My core speed drops when running prime95.
My Settings:
Corespeed: 48
VCore: Adaptive
Target Voltage: 1.325
Offset Voltage: +100
 
Energy Settings are on high performance.
In Idle I get ~4800Mhz but under load it drops instantly to ~4400Mhz.
 
Someone know how to fix this?

AIDA64 Extreme (beta)Trial version, portable ZIP package5.80.4098 Mar 14, 2017


the sensor readings can cover the ones you need.
 
The 30 day version does blank a few items but you may get the ones you want
for those that remember this was at onetime  Lavalys product Everest.
 
They seem very good about updating their software for new chips and at least for MSi motherboards
 
Release notes:

• extended reference OpenCL Extensions list (for AMD Vega 10)
• improved CPU usage measurement
• extended chipset information for Intel Wellsburg C612, X99 PCH
• HID UPS support for Cyber Power PR1500LCDRT2U UPS, EVER Sinline XL, Phoenixtec 1300VA UPS, PPC Offline UPS, Unitek Alpha 1200Sx
• AMD K15.6, K15.7, K16.6, K17, K17.1 PM2 fan sensor support
• motherboard specific sensor info for Apple MacBook Pro 7.1 (Mid 2010)
• motherboard specific sensor info for ASRock B250M Pro4
• improved motherboard specific sensor info for ASRock boards
• improved motherboard specific sensor info for Asus AM4 Series
• improved support for Intel Kaby Lake-X and Skylake-X
• GPU information for nVIDIA GeForce GTX 1080 Ti (GP102)
• fixed: lockup on MSI 200-Series (while SMBus D1E device access)
• fixed: lockup on MSI MS-7A15, 7A43, 7A44, 7A48, 7A82 (while SMBus D21, D22, D23 device access)
• fixed: SB600, SB7xx PM2 fan sensor support