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Skylake Overclocking Guide [With Statistics] - Page 332

post #3311 of 11360
Quote:
Originally Posted by Klutz0 View Post

Well, I was typing up edit #5 while prime95 ran in the background... but then it crashed.
I noticed the following:
  • The CPU temps jump 30 degrees instantly when the frequency jumps to 4.6GHz. The instant jumps don't seem normal to me... I'd expect a rapid, but gradual rise - no?
  • Two values were sometimes showing "yes": "RING: VR Thermal Alert" and "IA: VR Thermal Alert". They'd show "yes" when the frequency dropped to 800MHz.
I've reset everything to stock for now, and am running the x264 test. I still get very frequent drops to 800MHz, but it spends most of it's time at 4.0GHz. And the "VR: Thermal Alert" readings never say "Yes".
Now trying out prime95...
Edit:
Well, with prime95 I right away started getting "RING: VR Thermal Alert" going to "yes"...
I switched to prime95 at the mid-point of the graphs:


I'm at a loss here... Someone please enlighten me frown.gif
until you sort this out, you should avoid a high current stressor like p95. IF that prochot safety is not false, you probably need ot raise the power limit in bios. The cpu will downclock when this ceiling is reached at the first trip point, then shut down at the next.
Quote:
Originally Posted by error-id10t View Post

Also shows PROCHOT triggering which isn't great lol

Update to latest beta hwinfo to make sure it's getting right readings..

^^ This
Edited by Jpmboy - 10/29/15 at 6:29am
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post #3312 of 11360
Quote:
Originally Posted by JohnnyVader View Post

CPU Model: i5 6600k
Base Clock: 100.00
Core Multiplier: 48
Core Frequency: 4800Mhz
Cache Frequency: 4800Mhz
Vcore in UEFI: 1.456v
LLC: 5
C-States: Off
Ram: 2666Mhz 16,16,16,37 at 1.35v
Mobo: Maximus viii Hero
Max Temp: Full Load while stress testing72c
Test with Realbench, Cinemax, Wprime, 3dmark11, no crashes so far.

I think I reach the voltage limit at 1.456v for the CPU, my temp are not a problem as you can see only up under max load to 72c. How can I tweak other setting maybe to help lower the voltage in order to try 4.9ghz?? at least my temp is not a problem , voltage stability is, but I have everything else in auto so I know some folks around mess around with other setting to help with lowering voltages. ahh, also, my sys wouldn't take vcore at 1.440 I had to go to 1.456v in order to pass the tests at 4.8ghz.

Sadly have to say that i couldn't get to 4.9ghz just way too much voltages 1.5v and coul not pass even 5 min testing. As a matter of fact will have to go back to the drawing board with 4.7gz since my overnight realbench failed twice at 4.8 w/ 1.456v. It only passes the 60min realbench. Funny thing is that i have no issues with temps and i know I am stable with 4.7ghz at 1.34v. What should i do?
post #3313 of 11360
Try the PPL bandwidth lvl6 to 8 setting, but careful, it will up your temp by minimum 5 C (maybe start lvl5 ?), it helped me stabilize 4.7.
post #3314 of 11360
Quote:
Originally Posted by JohnnyVader View Post

Sadly have to say that i couldn't get to 4.9ghz just way too much voltages 1.5v and coul not pass even 5 min testing. As a matter of fact will have to go back to the drawing board with 4.7gz since my overnight realbench failed twice at 4.8 w/ 1.456v. It only passes the 60min realbench. Funny thing is that i have no issues with temps and i know I am stable with 4.7ghz at 1.34v. What should i do?
Stable at 4.7 with 1.34V but not stable at 4.8 with 120mV higher vcore? Lower cache to 4.0 and lower vcore to like 1.4V and try again. Until you find the max the core can handle. It's likely the RB overnight fail - if you had the full ram allocation - is ram/cache. RB is a good system-wide stressor, for the cpu ""only" try x265 HWBOT bench with 4K 2x or 4x and p-mode... if the correction factor is less than 0,95 the OC needs tuning. It's fairly quick and at 4x is using a good amount of ram. thumb.gif
Once past that, try your usual stress test list. FM benchmarks really do not stress the system much, tho 3DMK11 Physics is pretty tough.
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post #3315 of 11360
Quote:
Originally Posted by error-id10t View Post

Also shows PROCHOT triggering which isn't great lol

Update to latest beta hwinfo to make sure it's getting right readings..
Quote:
Originally Posted by Guzmanus View Post

Might be badly applied TIM. Sudden temperature spikes are normal, its just that heat cant transfer fast enough between the die and the dissipator.

I would reapply the termal paste
Quote:
Originally Posted by Jpmboy View Post

until you sort this out, you should avoid a high current stressor like p95. IF that prochot safety is not false, you probably need ot raise the power limit in bios. The cpu will downclock when this ceiling is reached at the first trip point, then shut down at the next.

Thanks for the feedback guys - it's really, really appreciated! cheers.gif

So, here are the next steps I'll be trying:
  1. Update to the latest HWiNFO beta version.
  2. Run x264 at stock settings.
  3. If that doesn't help (and I don't have high hopes)...
  4. Order thermal compound from newegg to replace the pre-applied thermal paste from the H90.

And, I have a few more - hopefully easy - questions:
  • Am I correct in thinking that if everything is working as it should, the processor should NOT be dropping to 800MHz during x264 at all?
  • What does "raise the power limit in bios" mean?
  • Is there anything else I should be changing in the BIOS other than CPU multiplier and VCore? From the OP, it seems that if I want a simple overclock, those are the only 2 things I need to check.
  • For thermal compound, I'm looking at ARCTIC MX-2 - is that a good option? I like that it's non-conductive.
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post #3316 of 11360
Quote:
Originally Posted by Klutz0 View Post

Well, I was typing up edit #5 while prime95 ran in the background... but then it crashed.

I noticed the following:
  • The CPU temps jump 30 degrees instantly when the frequency jumps to 4.6GHz. The instant jumps don't seem normal to me... I'd expect a rapid, but gradual rise - no?

Well if your pc is going from idle to load at 4600 at max volts then a 30c jump instantly is to be expected. I myself jump from idle 30s to 70c as soon as i fire up prime. You would never climb slowly up to a certain temp.

Then the fans kick in and it climbs slowly from there.

As for the other issue's im unsure.
Edited by llantant - 10/29/15 at 8:44am
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post #3317 of 11360
Quote:
Originally Posted by Klutz0 View Post



Thanks for the feedback guys - it's really, really appreciated! cheers.gif

So, here are the next steps I'll be trying:
  1. Update to the latest HWiNFO beta version.
  2. Run x264 at stock settings.
  3. If that doesn't help (and I don't have high hopes)...
  4. Order thermal compound from newegg to replace the pre-applied thermal paste from the H90.

And, I have a few more - hopefully easy - questions:
  • Am I correct in thinking that if everything is working as it should, the processor should NOT be dropping to 800MHz during x264 at all?
  • What does "raise the power limit in bios" mean?
  • Is there anything else I should be changing in the BIOS other than CPU multiplier and VCore? From the OP, it seems that if I want a simple overclock, those are the only 2 things I need to check.
  • For thermal compound, I'm looking at ARCTIC MX-2 - is that a good option? I like that it's non-conductive.
During x264 the processor load can vary but usually not that much. In windows, open adv power settings and and set min proc state to 100% (until you resolve this problem). Does it still down clock?
Disable c-states in bios - until resolved.
mx-2 is fine. There are better TIMs but we're talking a degree or at most 2. More is usually gained by using less and a high quality mount (uniform torquing of the mount screws, but not over tightened).
The Power limit and core current settings are on pg 22 in your manual. Set these to the max the bios will allow...
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post #3318 of 11360
Quote:
Originally Posted by Jpmboy View Post

During x264 the processor load can vary but usually not that much. In windows, open adv power settings and and set min proc state to 100% (until you resolve this problem). Does it still down clock?
Disable c-states in bios - until resolved.
mx-2 is fine. There are better TIMs but we're talking a degree or at most 2. More is usually gained by using less and a high quality mount (uniform torquing of the mount screws, but not over tightened).
The Power limit and core current settings are on pg 22 in your manual. Set these to the max the bios will allow...

Thanks for all the info!

Here's my revised plan:
  1. Update to the latest HWiNFO beta version.
  2. Run x264 at stock settings to validate that the readings were valid.
  3. Set min proc state to 100% in Windows' Advanced Power Settings
  4. Run x264 at stock settings, check if the processor still drops to 800MHz.
  5. Disable C-States in BIOS
  6. Run x264 at stock settings, check if the processor still drops to 800MHz.
  7. Set "Core Current Limit" and "Power Limit TDP" to the maximum values the BIOS will allow.
  8. Run x264 at stock settings, check if the processor still drops to 800MHz.
  9. If none of that helps...
  10. Order thermal compound from newegg to replace the pre-applied thermal paste from the H90.
  11. Run x264 at stock settings, check if the processor still drops to 800MHz.
  12. Give up all hope.
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post #3319 of 11360
Quote:
Originally Posted by Klutz0 View Post

Thanks for all the info!

Here's my revised plan:
  1. Update to the latest HWiNFO beta version.
  2. Run x264 at stock settings to validate that the readings were valid.
  3. Set min proc state to 100% in Windows' Advanced Power Settings
  4. Run x264 at stock settings, check if the processor still drops to 800MHz.
  5. Disable C-States in BIOS
  6. Run x264 at stock settings, check if the processor still drops to 800MHz.
  7. Set "Core Current Limit" and "Power Limit TDP" to the maximum values the BIOS will allow.
  8. Run x264 at stock settings, check if the processor still drops to 800MHz.
  9. If none of that helps...
  10. Order thermal compound from newegg to replace the pre-applied thermal paste from the H90.
  11. Run x264 at stock settings, check if the processor still drops to 800MHz.
  12. Give up all hope.
lol, thumb.gif
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8700K ASUS Maximus X Apex GTX 1080 2x8 GB G.Skill 4400c19 
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Samsung 960 Pro 360Rad + Chiller Win 10 HWBOT OBT 
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G.Skill 3600c15 2x8GB kits Samsung 960 Pro, NVMe WD Raptor 1T Plextor SSDs Raid 0 
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post #3320 of 11360
Quote:
Originally Posted by Jpmboy View Post

Stable at 4.7 with 1.34V but not stable at 4.8 with 120mV higher vcore? Lower cache to 4.0 and lower vcore to like 1.4V and try again. Until you find the max the core can handle. It's likely the RB overnight fail - if you had the full ram allocation - is ram/cache. RB is a good system-wide stressor, for the cpu ""only" try x265 HWBOT bench with 4K 2x or 4x and p-mode... if the correction factor is less than 0,95 the OC needs tuning. It's fairly quick and at 4x is using a good amount of ram. thumb.gif
Once past that, try your usual stress test list. FM benchmarks really do not stress the system much, tho 3DMK11 Physics is pretty tough.

I musta got lucky on this run, uses over 12GB of ram:
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GSkill 3200c14 TZs 8x8GB @ 3400c13 Intel 750 NVMe 400GB 2x Plextor SSD 256 Raid 0 (Win 7) Samsung NVMe 950 Pro M.2 
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Seiki 50" 4K monitor (720P-2160i) 240-30Hz Das Keyboard Model S Pro Corsair AX1200 Case Labs SM8 
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Steelseries Rival Ultimate Ears TF10 
CPUMotherboardGraphicsRAM
8700K ASUS Maximus X Apex GTX 1080 2x8 GB G.Skill 4400c19 
Hard DriveCoolingOSCase
Samsung 960 Pro 360Rad + Chiller Win 10 HWBOT OBT 
CPUCPUMotherboardGraphics
7740X 7980XE ASUS Rampage Vi Apex 2x Nvidia Titan Xp SLi 
RAMHard DriveHard DriveHard Drive
G.Skill 3600c15 2x8GB kits Samsung 960 Pro, NVMe WD Raptor 1T Plextor SSDs Raid 0 
Optical DriveCoolingOSOS
Plextor DVD/BR R/W (very) Custom Water Windows 10 Pro Windows 7 Pro 
MonitorKeyboardPowerCase
ASUS 144Hz Ducky Corsair 1500i Microcool Benchetto 101 
MouseAudio
Steelseries Rival Ultimate ears TF10s (IEMs) 
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Reply
x99
(22 items)
 
Z370
(8 items)
 
x299
(18 items)
 
CPUCPUMotherboardGraphics
i7 5960X i7 6950X Asus Rampage V Extreme 10 2 GTX Titan X Pascal 
RAMHard DriveHard DriveHard Drive
GSkill 3200c14 TZs 8x8GB @ 3400c13 Intel 750 NVMe 400GB 2x Plextor SSD 256 Raid 0 (Win 7) Samsung NVMe 950 Pro M.2 
Optical DriveCoolingCoolingCooling
Plextor 810 2x XSPC RX360 Koolance 380i D5 
CoolingOSOSOS
Aquaero 6 Windows 10 x64  Windows 7 Pro Linux Mint 
MonitorKeyboardPowerCase
Seiki 50" 4K monitor (720P-2160i) 240-30Hz Das Keyboard Model S Pro Corsair AX1200 Case Labs SM8 
MouseAudio
Steelseries Rival Ultimate Ears TF10 
CPUMotherboardGraphicsRAM
8700K ASUS Maximus X Apex GTX 1080 2x8 GB G.Skill 4400c19 
Hard DriveCoolingOSCase
Samsung 960 Pro 360Rad + Chiller Win 10 HWBOT OBT 
CPUCPUMotherboardGraphics
7740X 7980XE ASUS Rampage Vi Apex 2x Nvidia Titan Xp SLi 
RAMHard DriveHard DriveHard Drive
G.Skill 3600c15 2x8GB kits Samsung 960 Pro, NVMe WD Raptor 1T Plextor SSDs Raid 0 
Optical DriveCoolingOSOS
Plextor DVD/BR R/W (very) Custom Water Windows 10 Pro Windows 7 Pro 
MonitorKeyboardPowerCase
ASUS 144Hz Ducky Corsair 1500i Microcool Benchetto 101 
MouseAudio
Steelseries Rival Ultimate ears TF10s (IEMs) 
  hide details  
Reply
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