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Skylake Overclocking Guide [With Statistics] - Page 217

post #2161 of 11372
Hi guys,

first post on these forums, but I did read this entire 200+ page thread.

Been trying to overclock my 6700k. This is my second computer I've built and trying to overclock. Currently I'm at 4.7k with an ASUS z170-A, I have not yet done a real stress test, but computer keeps crashing so it doesn't sound stable. I keep getting computer freezes, not the BSODs and at random times. Sometimes it will be fine for hours, other times it will crash within seconds of stress testing - using real bench. From the past 10 pages or so it sounds like this might be a RAM issue instead of not enough vcore.



Few questions:

1) What is XMP and do I need it disabled or enabled. It sounds like a memory profile, but unsure if it needs to be on or off

2) What should I set my VCCIO and VCCSA to? I have not yet started to mess around with these settings, but if the problem is unstable RAM and not CPU ill tinker with these. I see some people saying 1.1v, and some say 1.25v. WHat does this default set to?

3) LLC settings. I currently have it at auto. From my observation in HWinfo, auto actually does the best job at combatting Vdroop and keeping a stable Vcore. What does AUTO do in the first place?? Try to pick the best LLC setting? Once I get LLC to 6 or 7, it will start to overvolt. LLC 4 and below undervolts, LLC 5 seems to be ok, but even undervolts under load as well.

4) If my computer freezes w/o BSOD (requiring me to manually restart it), is this a memory issue or cpu issue? is there a definitive way of knowing if its RAM vs CPU

at one point I reseated my heat sink, and ran a stress test. Unfortunately, the heat sink wasn't directly on the cpu and the computer immediately overheated and shut down. Any permanent damage to the CPU?

my last Vcore in the UEFI was 1.395v at 4.7k which immediately crashed realbench - not a full computer crash.

Another thing, I bought 2400 rated ram, the sticker says 2400, but the BIOS says 2133, which I changed to 2400. Does this mean the RAM is actually 2133 and im overclocking it? Maybe that is the issue, and I need to get a refund from newegg for sending me the wrong RAM.

Thanks guys ,hopefully Ill have a stable overclock soon to share with the spreadsheet
post #2162 of 11372
Quote:
Originally Posted by llantant View Post

100.22?

Turn off CPU spread spectrum in bios. thumb.gif

Interesting thing happened. Turned off CPU spread spectrum and set the blck to 100 MHz and it's now unstable at 1.325v. Cranked it up to 1.35v and stressing right now...I'll let you know how that turns out.
post #2163 of 11372
Does anyone here use a Gigabyte board? I'm a little lost... I have no option for manual, adaptive, or even offset voltage. Just plain voltage, and it seems to act like adaptive (since the voltage does scale back to 0.7-0.8v overclocked at idle), but I also can't stop the voltage from going higher than what I set (which it does, according to HWInfo) or going lower.
Ice-nine
(17 items)
 
  
CPUMotherboardGraphicsRAM
i7-6700K Asus Z170-DELUXE Gigabyte G1 GTX 980 Ti Corsair Vengeance LPX DDR4 3000 
Hard DriveHard DriveOptical DriveCooling
Samsung 850 Evo 500 GB Seagate Barracuda 7200 RPM 2 TB Asus DVD Drive DRW-24B1ST/BLK/B/AS Phanteks PH-TC14PE 
OSMonitorKeyboardPower
Windows 8.1 Pro AOC Q2770PQU Corsair K95 RGB - Cherry MX Blue EVGA Supernova G2 750W 
CaseMouseMouse PadAudio
NZXT Phantom 410 Gunmetal Edition Logitech G502 Proteus Core Razer Goliathus Speed Edition Small Cyber Acoustics Satellite CA-3602 
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Ice-nine
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CPUMotherboardGraphicsRAM
i7-6700K Asus Z170-DELUXE Gigabyte G1 GTX 980 Ti Corsair Vengeance LPX DDR4 3000 
Hard DriveHard DriveOptical DriveCooling
Samsung 850 Evo 500 GB Seagate Barracuda 7200 RPM 2 TB Asus DVD Drive DRW-24B1ST/BLK/B/AS Phanteks PH-TC14PE 
OSMonitorKeyboardPower
Windows 8.1 Pro AOC Q2770PQU Corsair K95 RGB - Cherry MX Blue EVGA Supernova G2 750W 
CaseMouseMouse PadAudio
NZXT Phantom 410 Gunmetal Edition Logitech G502 Proteus Core Razer Goliathus Speed Edition Small Cyber Acoustics Satellite CA-3602 
Audio
Oppo PM-3 Closed Back Planar Magnetic Headphones 
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post #2164 of 11372
Quote:
Originally Posted by Raja@ASUS View Post

BCLK is locked from excessive change on the multiplier locked CPUs - a built-in feature Intel named "BCLK Governator" prevents necessary adjustments for significant OC. No way to override it. We tried.
Hi there,

Any news about this, now that non-K CPU are availables ?
How much the bclk can be pushed ? Z170 board needed ?

Thanks !
MIZU6
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MIZU4
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CPUMotherboardGraphicsRAM
i7 2600K @4500MHz@1.35V Asus Maximus IV Gene Z CF 5850 @1000/1200@1.2V G.Skill Pi 19200 @1066MHz C8 
Hard DriveOptical DriveOSMonitor
Crucial C300 256Go LG GG-H10L Windows 7 64bits Dell 2711 
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MIZU6
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MIZU4
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CPUMotherboardGraphicsRAM
i7 2600K @4500MHz@1.35V Asus Maximus IV Gene Z CF 5850 @1000/1200@1.2V G.Skill Pi 19200 @1066MHz C8 
Hard DriveOptical DriveOSMonitor
Crucial C300 256Go LG GG-H10L Windows 7 64bits Dell 2711 
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post #2165 of 11372
Quote:
Originally Posted by aster View Post

Hi there,

Any news about this, now that non-K CPU are availables ?
How much the bclk can be pushed ? Z170 board needed ?

Thanks !

bclk is locked on non-k AFAIK.
Insert Name Here
(14 items)
 
  
CPUMotherboardGraphicsRAM
6700k Asus Maximus VIII Hero Gigabyte Aorus Xtreme 1080ti Corsair LPX 2x8GB 3200c16 
Hard DriveHard DriveCoolingOS
Old Seagate HDD Samsung 850 EVO Thermalright Silver Arrow SB-E SE Windows 7 Home Premium 64 bit 
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Insert Name Here
(14 items)
 
  
CPUMotherboardGraphicsRAM
6700k Asus Maximus VIII Hero Gigabyte Aorus Xtreme 1080ti Corsair LPX 2x8GB 3200c16 
Hard DriveHard DriveCoolingOS
Old Seagate HDD Samsung 850 EVO Thermalright Silver Arrow SB-E SE Windows 7 Home Premium 64 bit 
MonitorKeyboardPowerCase
Asus PG258Q (240hz + Gsync) WASDKeyboards.com v1 semi custom w/ mx browns, ... Superflower Golden Green HX550 Air540 
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post #2166 of 11372
If it wasn't... who would bother buying a K series when the bclk and clock could be dialed in just about the same since the BCLK has been separated between CPU and peripherals biggrin.gif
post #2167 of 11372
Currently testing 4.6/4.4 at 1.3v

Considering sticking with this as temps are allot lower and very little difference in benchmarks.
Skylake!
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Old School!
(13 items)
 
CPUMotherboardGraphicsRAM
Intel 6700k 4.7ghz 1.37v (4.6 cache) ASUS Maximus VIII Hero Nvidia GTX 1080 FTW 16gb G Skill TridentZ 3600hz 16/16/16/36 @ 1.35v 
Hard DriveHard DriveHard DriveCooling
SM951 256gb Nvme 2 x Samsung 840 Pro 256gb Raid 0 Western Digital Black 1.5tb HDD Storage Corsair H110 GTX 
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Windows 10 Yamakasi Catleap Q251 1440p ips Corsair K70 EVGA Supernova 850 G2 
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Corsair Carbide 600Q Roccat Kone Pure Roccat Taito 
CPUMotherboardGraphicsRAM
Ph.II BE 1090T 3.75ghz BE (1.4v) 3000NB (1.325v) Asus M4A88TD-M Evo/USB3 GTX 470 G Skill Eco 1333mhz 5-6-5-18-23 1T 
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Coolermaster 310 
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Skylake!
(15 items)
 
 
Old School!
(13 items)
 
CPUMotherboardGraphicsRAM
Intel 6700k 4.7ghz 1.37v (4.6 cache) ASUS Maximus VIII Hero Nvidia GTX 1080 FTW 16gb G Skill TridentZ 3600hz 16/16/16/36 @ 1.35v 
Hard DriveHard DriveHard DriveCooling
SM951 256gb Nvme 2 x Samsung 840 Pro 256gb Raid 0 Western Digital Black 1.5tb HDD Storage Corsair H110 GTX 
OSMonitorKeyboardPower
Windows 10 Yamakasi Catleap Q251 1440p ips Corsair K70 EVGA Supernova 850 G2 
CaseMouseMouse Pad
Corsair Carbide 600Q Roccat Kone Pure Roccat Taito 
CPUMotherboardGraphicsRAM
Ph.II BE 1090T 3.75ghz BE (1.4v) 3000NB (1.325v) Asus M4A88TD-M Evo/USB3 GTX 470 G Skill Eco 1333mhz 5-6-5-18-23 1T 
Hard DriveOptical DriveOSPower
Crucial C300 128gb SSD, 2 x 640gb Storage (Raid) DVD-RW Win 7 Home Premium 800W 
Case
Coolermaster 310 
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post #2168 of 11372
Quote:
Originally Posted by Darkwizzie View Post

Thread gets quiet without me, lol.

I'll chart everybody later today.

In unrelated news, my overclock has passed 48 hours of chess consecutively. Waiting for the chess engine to solve chess and become sentient and take over my computer and escape the bounds of hardware/software to take over the universe.

And I might be in the market for those as well, if I can find one.
Do you beat the PC in chess plays where a move runs 48 hours or do you get beaten by the computer? biggrin.gif
post #2169 of 11372
Quote:
Originally Posted by kikkobots View Post

Hi guys,

first post on these forums, but I did read this entire 200+ page thread.

Been trying to overclock my 6700k. This is my second computer I've built and trying to overclock. Currently I'm at 4.7k with an ASUS z170-A, I have not yet done a real stress test, but computer keeps crashing so it doesn't sound stable. I keep getting computer freezes, not the BSODs and at random times. Sometimes it will be fine for hours, other times it will crash within seconds of stress testing - using real bench. From the past 10 pages or so it sounds like this might be a RAM issue instead of not enough vcore.



Few questions:

1) What is XMP and do I need it disabled or enabled. It sounds like a memory profile, but unsure if it needs to be on or off

2) What should I set my VCCIO and VCCSA to? I have not yet started to mess around with these settings, but if the problem is unstable RAM and not CPU ill tinker with these. I see some people saying 1.1v, and some say 1.25v. WHat does this default set to?

3) LLC settings. I currently have it at auto. From my observation in HWinfo, auto actually does the best job at combatting Vdroop and keeping a stable Vcore. What does AUTO do in the first place?? Try to pick the best LLC setting? Once I get LLC to 6 or 7, it will start to overvolt. LLC 4 and below undervolts, LLC 5 seems to be ok, but even undervolts under load as well.

4) If my computer freezes w/o BSOD (requiring me to manually restart it), is this a memory issue or cpu issue? is there a definitive way of knowing if its RAM vs CPU

at one point I reseated my heat sink, and ran a stress test. Unfortunately, the heat sink wasn't directly on the cpu and the computer immediately overheated and shut down. Any permanent damage to the CPU?

my last Vcore in the UEFI was 1.395v at 4.7k which immediately crashed realbench - not a full computer crash.

Another thing, I bought 2400 rated ram, the sticker says 2400, but the BIOS says 2133, which I changed to 2400. Does this mean the RAM is actually 2133 and im overclocking it? Maybe that is the issue, and I need to get a refund from newegg for sending me the wrong RAM.

Thanks guys ,hopefully Ill have a stable overclock soon to share with the spreadsheet

Hi, welcome to the board. First off, your overclock sounds very unstable. Re read the guide here and in the asus thread. Then restart your overclock.

Xmp is auto overclocking of ram.

I would first set everything to stock, then setup your fans to run how you want, then stress test with prime and note your max turbo speed and vcore, not vid. Then go back to bios and set your max multiplier to one higher than your turbo was at and set the vcore. If you don't use sleep mode, I would use adaptive. However, since adaptive and sleep have errors with asus boards right now, you can also use offset. Set llc to 1 and then adjust if it doesn't match the vcore set in bios.

Boot into Windows and then run primev28.7 blend. Watch your volts and temps. If they stay good and prime doesn't crash in 15-20 minutes, then you can increase the multiplier by 1. If it blue screens or a worker fails, increase vcore by .01v and run the test again but repeat until you pass 1.5 hours of prime.

I have the same board but an i5, feel free to message me if you need further help. I'm currently stable at 4.7Ghz, but it took a lot of testing to find the minimum stable voltage for that core speed.

One thing, on my board the xmp profile for my ram set my timings 1step tighter than they are rated for on corsairs website, so I manual set the timings to what they are rated for.
post #2170 of 11372
Quote:
Originally Posted by kikkobots View Post

Hi guys,

first post on these forums, but I did read this entire 200+ page thread.

Been trying to overclock my 6700k. This is my second computer I've built and trying to overclock. Currently I'm at 4.7k with an ASUS z170-A, I have not yet done a real stress test, but computer keeps crashing so it doesn't sound stable. I keep getting computer freezes, not the BSODs and at random times. Sometimes it will be fine for hours, other times it will crash within seconds of stress testing - using real bench. From the past 10 pages or so it sounds like this might be a RAM issue instead of not enough vcore.



Few questions:

1) What is XMP and do I need it disabled or enabled. It sounds like a memory profile, but unsure if it needs to be on or off

2) What should I set my VCCIO and VCCSA to? I have not yet started to mess around with these settings, but if the problem is unstable RAM and not CPU ill tinker with these. I see some people saying 1.1v, and some say 1.25v. WHat does this default set to?

3) LLC settings. I currently have it at auto. From my observation in HWinfo, auto actually does the best job at combatting Vdroop and keeping a stable Vcore. What does AUTO do in the first place?? Try to pick the best LLC setting? Once I get LLC to 6 or 7, it will start to overvolt. LLC 4 and below undervolts, LLC 5 seems to be ok, but even undervolts under load as well.

4) If my computer freezes w/o BSOD (requiring me to manually restart it), is this a memory issue or cpu issue? is there a definitive way of knowing if its RAM vs CPU

at one point I reseated my heat sink, and ran a stress test. Unfortunately, the heat sink wasn't directly on the cpu and the computer immediately overheated and shut down. Any permanent damage to the CPU?

my last Vcore in the UEFI was 1.395v at 4.7k which immediately crashed realbench - not a full computer crash.

Another thing, I bought 2400 rated ram, the sticker says 2400, but the BIOS says 2133, which I changed to 2400. Does this mean the RAM is actually 2133 and im overclocking it? Maybe that is the issue, and I need to get a refund from newegg for sending me the wrong RAM.

Thanks guys ,hopefully Ill have a stable overclock soon to share with the spreadsheet
2133 is what your RAM will run at without having XMP enabled or overclocked. That's normal for Z170.
I would leave it at the default 2133 until you get your cpu overclock stable, then enable XMP or manually set timings, your preference.
Sounds like you are new to building computers, getting the heat sink squared away is very important...but it's doubtful you did any damage as the cpu will shut down if it overheats as you saw.
Good luck and welcome to OCN.
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