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Skylake Overclocking Guide [With Statistics] - Page 8

post #71 of 11364
I'm not having good luck at all with my 6600k.

I've yet to get 4.4Ghz stable. Here are the settings I'm working with:

spread spectrum off
cpu current limit 255.5
cpu power phase optimized (have tried standard also with no luck)
cpu current 120% (have tried 100, 110 also with no luck)
LLC anywhere from 3 to 5. 4 or 5 has been best for me so far.
Vcore up to 1.36 (bios) and 1.36 (under load) still instantly failing prime95 28.5 after 2-3 minutes

I have run prime at stock cpu clocks to verify my memory is not the issue (Gskill ddr4-3000 using an xmp profile)

I have run prime at 4.2GHz and 1.232vcore and it is stable.

But going from 1.232vcore to 1.36 vcore for only 200Mhz extra seems like way too much. I am trying to tweak all other settings I can find to get stability. Temps are not too bad, low to mid 70s in prime.


I changed bclck a few times and had to reset bios each time because it wouldn't even post bios, even at much lower multipliers. I don't think I can change bclck b/c of PCIe devices. I have a 770GTX and an Intel 750 nvme drive.
Edited by dr sharp - 8/23/15 at 2:28pm
post #72 of 11364
Quote:
Originally Posted by Phreec View Post

I'm an OC'ing novice but I can understand why Asus's UEFI has won awards. thumb.gif

Username: Phreec
CPU Model: 6700K (HT off)
Base Clock: 102
Core Multiplier: 47
Core Frequency: 4794 MHz
Cache Frequency: 4080 MHz
CPU VID: 1.375v (Adaptive)
Vcore: 1.390v (Prime95 v27.9)
Cache Voltage: -
Cooling Solution: Noctua NH-D15 in a well ventilated Define S
Stability Test: One 7 and another 10 hour session in Prime95 v27.9
Batch Number: L525B417 Made in Malaysia, purchased in Sweden.
Ram Speed: 2991MHz 15-17-17-35 (XMP 3000)
Ram Voltage: 1.355v
Motherboard: Asus Z170 Pro Gaming
LLC Setting: Auto

http://valid.x86.fr/yqphwv

Congratulations you have just thrown away $100 by disabling the HT. You could have bought 6600K instead.
Quote:
Originally Posted by dr sharp View Post

I'm not having good luck at all with my 6600k.

I've yet to get 4.4Ghz stable. Here are the settings I'm working with:

spread spectrum off
cpu current limit 255.5
cpu power phase optimized (have tried standard also with no luck)
cpu current 120% (have tried 100, 110 also with no luck)
LLC anywhere from 3 to 5. 4 or 5 has been best for me so far.
Vcore up to 1.36 (bios) and 1.36 (under load) still instantly failing prime95 28.5 after 2-3 minutes

I have run prime at stock cpu clocks to verify my memory is not the issue (Gskill ddr4-3000 using an xmp profile)

I have run prime at 4.2GHz and 1.232vcore and it is stable.

But going from 1.232vcore to 1.36 vcore for only 200Mhz extra seems like way too much. I am trying to tweak all other settings I can find to get stability. Temps are not too bad, low to mid 70s in prime.


I changed bclck a few times and had to reset bios each time because it wouldn't even post bios, even at much lower multipliers. I don't think I can change bclck b/c of PCIe devices. I have a 770GTX and an Intel 750 nvme drive.
You don't need to fiddle with power limits unless you are hitting them due to excessive power consumption, it won't help you with OC ever.

P95 doesn't verify memory. There is a proper memory test and that one takes a lot of time to complete depending on the amount of RAM you have.
BCLK on Skylake is separate, it's only for the cores and cache, not for PCIE or any other peripherals.

Probably bad luck in the lottery or you're tuning or testing it wrong.
post #73 of 11364
Quote:
Originally Posted by JackCY View Post


BCLK on Skylake is separate, it's only for the cores and cache, not for PCIE or any other peripherals.

Probably bad luck in the lottery or you're tuning or testing it wrong.
There are several people that have mentioned that bclck may still have some affect on pcie devices. I'm just reporting what I observed. More specifically:

Bclck: 110
CPU Ratio: 38
Cache Ratio: 36

Failed to post. Had to reset bios.

And in reference to your comments about bios cpu power settings, I changed all of the settings 1 at a time trying to get 4.4GHz stable. As I mentioned, I was looking for any possible setting that would be hindering my overclock. I am not new to this game.
post #74 of 11364
It's simple as that, and that is what I read/hear around too.



Separate and fixed.
post #75 of 11364
Just got my build up an running, here is my initial oc (thanks to shredzy for the base)

Username: Qba73
CPU Model: i7 6700K
Base Clock: 100MHz
Core Multiplier: 46
Core Frequency: 4600MHz
Cache Frequency: 4000MHz
Vcore: 1.328 Manual
Cooling Solution: Corsair H100i GTX
Stability Test: Currently Testing
Batch Number: Malaysia (Purchased in UK, overclockers) L523B475
Ram Speed: XMP 3000MHz, 15-15-15-35 2T (Gskill Ripjaw V)
Ram Voltage: 1.350V
Motherboard: ASUS Z170 Deluxe (Bios 504)
LLC Setting: Level 5
post #76 of 11364
Shredzy are you able to pm me your bios settings ?

Will be building my skylake system tonight smile.gif
post #77 of 11364
I got a 6600k and haven't overclocked in 6-7 years. Anyone with an MSI z170 board able to help me? Followed the guide for a "quick oc" with the set voltages and getting restarts and "page fault not in paged area" boot errors. I bought 3000mhz ram if it helps. Does my cpu clocking have to scale with my memory or something?
Steve
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel I5 6600k MSI Z170 GAMING 5 MIS GTX 970 MSE Corsair Vengeance16gb 3000mhz 
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Windows 10 Corsair K70 RGB Corsair HX750 CM Storm Trooper 
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Mionix Naos 7000 
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Steve
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Intel I5 6600k MSI Z170 GAMING 5 MIS GTX 970 MSE Corsair Vengeance16gb 3000mhz 
OSKeyboardPowerCase
Windows 10 Corsair K70 RGB Corsair HX750 CM Storm Trooper 
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Mionix Naos 7000 
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post #78 of 11364
Quote:
Originally Posted by jenovax1 View Post

Shredzy are you able to pm me your bios settings ?

Will be building my skylake system tonight smile.gif

Yeah no problems, ill send you a PM.

I wouldn't add my settings to OP yet, trying to experiment with adaptive voltage currently. With same LLC setting on Level 5, turbo voltage set to 1.325V and offset left on auto I'm getting slightly higher voltage recordings while playing games/doing other tasks (not AVX). Got a BSOD last night while watching streams, was a d1 code so think it has to do with my ram stability, I bumped my system agent voltage 1 notch to 1.08750v and reran memtest last night again for 9 hours. Ill see how it goes today.

EDIT: Memory is unstable as hell even tho it passes memtest no probs....reverting back to my XMP profile 2666MHz 16-18-18-35 2T 1.20V and see how it goes.
Edited by shredzy - 8/23/15 at 11:55pm
My System
(18 items)
 
  
CPUMotherboardGraphicsRAM
i7 6700K @ 4.6GHz (4.6 Cache) Asus Maximus VIII Hero EVGA GTX1080 FTW 16GB G.Skill Ripjaws V F4 3200MHz 16-16-16-36 (... 
Hard DriveHard DriveHard DriveCooling
Intel 520 Series 120GB SSD Vertex 4 256GB 3TB Seagate Barracuda 7200RPM NZXT Kraken X61 w/ 2x Noctua NF-A14 
OSMonitorPowerCase
Windows 10 Pro 64bit BenQ XL2730Z Corsair AX1200 Phanteks Enthoo Evolv ATX Tempered Glass 
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My System
(18 items)
 
  
CPUMotherboardGraphicsRAM
i7 6700K @ 4.6GHz (4.6 Cache) Asus Maximus VIII Hero EVGA GTX1080 FTW 16GB G.Skill Ripjaws V F4 3200MHz 16-16-16-36 (... 
Hard DriveHard DriveHard DriveCooling
Intel 520 Series 120GB SSD Vertex 4 256GB 3TB Seagate Barracuda 7200RPM NZXT Kraken X61 w/ 2x Noctua NF-A14 
OSMonitorPowerCase
Windows 10 Pro 64bit BenQ XL2730Z Corsair AX1200 Phanteks Enthoo Evolv ATX Tempered Glass 
AudioOther
Creative Sound Blaster ZxR + JDS Objective2 HiFiMAN HE-400 
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post #79 of 11364
Quote:
Originally Posted by JackCY View Post

Congratulations you have just thrown away $100 by disabling the HT. You could have bought 6600K instead.
I'm yet to see a single 6600K hit 4.8GHz. Besides, it's there if I ever need it; currently I don't.
    
CPUMotherboardGraphicsRAM
Intel i7 6700K @ 4.8 ASUS Z170 Pro Gaming GALAX / KFA2 GTX 980 Ti HOF 16GB Corsair LPX 3000Mhz CL15 DDR4 
Hard DriveHard DriveHard DriveHard Drive
SSD Samsung 850 EVO 500GB HDD HGST 4TB HDD WD 500GB HDD Samsung 500GB 
CoolingOSMonitorMonitor
Noctua NH-D15 Windows 10 Pro N BENQ XL2430T 144hz TN BENQ GW2250HM 60hz VA 
KeyboardPowerCaseMouse
Corsair Gaming K70 MX Red Chieftec Super Series 850W Fractal Design Define S Logitech G502 
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CPUMotherboardGraphicsRAM
Intel i7 6700K @ 4.8 ASUS Z170 Pro Gaming GALAX / KFA2 GTX 980 Ti HOF 16GB Corsair LPX 3000Mhz CL15 DDR4 
Hard DriveHard DriveHard DriveHard Drive
SSD Samsung 850 EVO 500GB HDD HGST 4TB HDD WD 500GB HDD Samsung 500GB 
CoolingOSMonitorMonitor
Noctua NH-D15 Windows 10 Pro N BENQ XL2430T 144hz TN BENQ GW2250HM 60hz VA 
KeyboardPowerCaseMouse
Corsair Gaming K70 MX Red Chieftec Super Series 850W Fractal Design Define S Logitech G502 
Mouse PadAudioAudio
Zowie Swift Creative Sound Blaster Z Beyerdynamic DT 770 Pro 250 Ω (headset mod) 
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post #80 of 11364
Thread Starter 

I've been at work. Going to sleep, I'll be sure to read everything when I wake up. :thumb: Thanks for the submissions. One more week until stock!

Undelwalt (2017)
(29 items)
 
 
Celapaleis (2013)
(16 items)
 
CPUMotherboardGraphicsRAM
7600k @ 5.197/1.392 1.392v z170 Asus Hero EVGA 1080ti SC Black (2100/6250) x2 8gb GSkill Trident Z 3600 @ 3804 15-15-15-32-2T 
Hard DriveHard DriveHard DriveCooling
Samsung 950 Pro 512gb (Undelwalt) WD Red 2tb (Pack Yak II) Seagate Expansion Drive 5tb (Phoenix Down II) 3x560mm HardwareLabs Nemesis GTX 
CoolingCoolingCoolingCooling
XPSC Raystorm Pro Watercool Heatkiller 1080ti Full Cover Waterblock EK XTOP Revo Dual D5 (Serial, PWM, v4) EK ZMT (1/2 - 3/4 ID OD) 
CoolingCoolingCoolingCooling
14xEK ACF (Compression Fittings) EK x4 250 (v2) Distilled Water + PT Nuke (Copper Sulphate) 24x140mm Silent Wings 3 
OSMonitorKeyboardPower
Windows 10 Pro 64bit Catleap 27 Inch 2560x1440 IPS 60hz Display Coolermaster Storm Trigger (Brown Switches) EVGA P2 1000w 
CaseMouseMouse PadAudio
Corsair Air 540 Logitech G Pro Tek Syndicate "Raze the World" Desk Mat O2 + Odac by Mayflower Electronics (Rev A) 
AudioAudioAudioAudio
Sennheiser HD 800 2xKrk Rokit 6 G2 Blue Yeti (Grey) Rode PSA-1 Arm 
Other
Aquaero 6 LT + Aluminum Heatsink 
CPUMotherboardGraphicsRAM
i5 6600k Delid @ 4.848/4.848 Asus z170 Hero MSI GTX 980ti @ 1499/4082 1.25v/134% Power 2 x 8gb Gskills Ripjaws V 3131 16-16-16-32 
Hard DriveHard DriveHard DriveHard Drive
Samsung Pro Series 840 256gb (Celapaleis) 1 TB Samsung Drive (Pack Yak) Samsung Pro Series 850 256gb (Celapaleis Reprise) Phoenix Down (External Backup) 
CoolingCoolingOSMonitor
Noctua D14 Kraken x61 Push-Pull for GPU Windows 10 Pro Catleap 2560x1440 @ 60hz 
KeyboardPowerCaseMouse
CM Storm Trigger Brown Switches EVGA Supernova 1000w P2 Corsair 540 Air Razer Abyssus 
Mouse PadAudioAudioAudio
Steelseries QcK Mini Blue Yeti Microphone Objective Dac + Amp Sescom AB Switch 
AudioAudioAudioAudio
Krk Rokit 6 G2 x2 Radioshack Ground Loop Isolator (For Rokits) Wooaudio Aluminum Headphone Stand Sennheiser HD 800 
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Undelwalt (2017)
(29 items)
 
 
Celapaleis (2013)
(16 items)
 
CPUMotherboardGraphicsRAM
7600k @ 5.197/1.392 1.392v z170 Asus Hero EVGA 1080ti SC Black (2100/6250) x2 8gb GSkill Trident Z 3600 @ 3804 15-15-15-32-2T 
Hard DriveHard DriveHard DriveCooling
Samsung 950 Pro 512gb (Undelwalt) WD Red 2tb (Pack Yak II) Seagate Expansion Drive 5tb (Phoenix Down II) 3x560mm HardwareLabs Nemesis GTX 
CoolingCoolingCoolingCooling
XPSC Raystorm Pro Watercool Heatkiller 1080ti Full Cover Waterblock EK XTOP Revo Dual D5 (Serial, PWM, v4) EK ZMT (1/2 - 3/4 ID OD) 
CoolingCoolingCoolingCooling
14xEK ACF (Compression Fittings) EK x4 250 (v2) Distilled Water + PT Nuke (Copper Sulphate) 24x140mm Silent Wings 3 
OSMonitorKeyboardPower
Windows 10 Pro 64bit Catleap 27 Inch 2560x1440 IPS 60hz Display Coolermaster Storm Trigger (Brown Switches) EVGA P2 1000w 
CaseMouseMouse PadAudio
Corsair Air 540 Logitech G Pro Tek Syndicate "Raze the World" Desk Mat O2 + Odac by Mayflower Electronics (Rev A) 
AudioAudioAudioAudio
Sennheiser HD 800 2xKrk Rokit 6 G2 Blue Yeti (Grey) Rode PSA-1 Arm 
Other
Aquaero 6 LT + Aluminum Heatsink 
CPUMotherboardGraphicsRAM
i5 6600k Delid @ 4.848/4.848 Asus z170 Hero MSI GTX 980ti @ 1499/4082 1.25v/134% Power 2 x 8gb Gskills Ripjaws V 3131 16-16-16-32 
Hard DriveHard DriveHard DriveHard Drive
Samsung Pro Series 840 256gb (Celapaleis) 1 TB Samsung Drive (Pack Yak) Samsung Pro Series 850 256gb (Celapaleis Reprise) Phoenix Down (External Backup) 
CoolingCoolingOSMonitor
Noctua D14 Kraken x61 Push-Pull for GPU Windows 10 Pro Catleap 2560x1440 @ 60hz 
KeyboardPowerCaseMouse
CM Storm Trigger Brown Switches EVGA Supernova 1000w P2 Corsair 540 Air Razer Abyssus 
Mouse PadAudioAudioAudio
Steelseries QcK Mini Blue Yeti Microphone Objective Dac + Amp Sescom AB Switch 
AudioAudioAudioAudio
Krk Rokit 6 G2 x2 Radioshack Ground Loop Isolator (For Rokits) Wooaudio Aluminum Headphone Stand Sennheiser HD 800 
AudioOther
Logitech c920 Webcam NZXT Sentry Mix 2 Fan Controller 
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