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post #18001 of 21934
Quote:
Originally Posted by leonman44 View Post

Phobya is a custom watercooling with a triple rad on it , only for my cpu it should be more than enough! Ok, i will try 1.85 but i have set vrms high(level 7 with extreme frequency amd 130% capability) could that be the problem? Also should i disable Hyperthreading?

* With my previous x -99 A i was able to boot with 4.7ghz but never tested cause of my cooler , now it will blue screen me sometimes with a 4.5ghz oc before it enters the windows , something is really weird here.... With 1.85v input it will never enter in windows it gives me a bluescreen again....

Suddenly it plays again , 4.3ghz seems stable , decreased to 1.25v for better temps but 4.4ghz is not stable , increased to 1.28 but it crashed after 25minutes , now i am at 1.3v , 1.93 input voltage , 0.999 system agent voltage and loadline calibration for vrms is at level 8 ! But my input at software shows now 1.95 after vrm level increasement. I am struggling :/

I haven't noticed this post before. But this is crazy. You probably killed the chip or degraded it which explains why you got those BSOD loops. Your CPU doesn't require System Agent of around ~1.90 for those DDR4-2400 kits. System Agent is max recommended at 1.20, which is around ~+0.300.
Edited by HeadlessKnight - 4/1/16 at 10:19pm
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post #18002 of 21934
Quote:
Originally Posted by HeadlessKnight View Post

I haven't noticed this post before. But this is crazy. You probably killed the chip or degraded it which explains why you got those BSOD loops. Your CPU doesn't require System Agent of around ~1.90 for those DDR4-2400 kits. System Agent is max recommended at 1.20, which is around ~+0.300.

I missed that before too.
Currently for my 2666Mhz G-Skill's I'm only using +0.10 for my SA voltage...
post #18003 of 21934
Quote:
Originally Posted by HeadlessKnight View Post

I haven't noticed this post before. But this is crazy. You probably killed the chip or degraded it which explains why you got those BSOD loops. Your CPU doesn't require System Agent of around ~1.90 for those DDR4-2400 kits. System Agent is max recommended at 1.20, which is around ~+0.300.

Wait, he said he's running 0.999 for vccsa, i think its just bread and butter stability issues and not a borked sliver of silicon.

> But my input at software shows now 1.95 after vrm level increasement

I'm assuming that's in reference to vccin floating up above the 1.93 bios setting?
Edited by michael-ocn - 4/2/16 at 12:49am
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post #18004 of 21934
Quote:
Originally Posted by michael-ocn View Post

Wait, he said he's running 0.999 for vccsa, i think its just bread and butter stability issues and not a borked sliver of silicon.

> But my input at software shows now 1.95 after vrm level increasement

I'm assuming that's in reference to vccin floating up above the 1.93 bios setting?

Whoops. Just noticed he said 0.999 sa voltage not offset. That's what happen when you don't get enough sleep. doh.gif . At 0.999 VCCSA it is fine but if the offset is at +0.999 it isn't!
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post #18005 of 21934
Quote:
Originally Posted by leonman44 View Post

Hello guys, i am back!!! I got my x-99 replacement, motherboard was dead.... I am trying to oc my cpu now , see what my phobya kit can do! Cpu voltages was set at : Vcore 1.3V (max safe) Cpu cache voltage at: 1.18V (1.2V max safe??) System agent voltage at : 1.040V and cpu input voltage at 1.93v (i think this is 1.97V max safe) i will start testing it with OCCT large data set which is more for finding errors.This is at 4.5ghz.

*Edit my 3rd core keeps crashing at 30secs
*Edit leaving everything on auto and setting vcore at 1.3 , cache volt at 1.2 and input voltage at 1.9 it did 9 minutes at OCCT with 4.4ghz , whats happening here ? Is my cpu a lemon or something is wrong with my new mobo? With only 1.1V and seidon cooler i could easily do a 4ghz stable forever , that was a 0.7ghz increase with less than 0.2V Now i did a 0.2V increase and cant get 0.4ghz even close?

The curve of voltage required to clock speed desired is not linear, it's exponential. It's not surprising that 1.1v was plenty for 4Ghz and 1.3v is not for 4.4Ghz. This is not a plot for a haswell-e chip, but you get the idea. For the haswell-e, 4Ghz happens where the curve is kinda flat gently rising, whereas 4.4Ghz is somewhere along the steeper part of the curve.



edit: Ooops redface.gif The curve in that diagram plots watts vs freq, but watts is roughly linearly correlated to vcore... urrr... close enough rolleyes.gif
Edited by michael-ocn - 4/2/16 at 1:15am
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post #18006 of 21934
Good morning guys! I cant believe it that it my oc crashed at 7.8 hours on a 8 hours test!! thumbsdownsmileyanim.gif
Voltages used: 1.26 vcore 1.93 vccin llc level 6 i just increased a bit system agent to 1.040V.



Ok, i will set the phase to optimize , what about my Vcore should i make a 0.05V or 0.1V increasement?
post #18007 of 21934
Quote:
Originally Posted by leonman44 View Post

Good morning guys! I cant believe it that it my oc crashed at 7.8 hours on a 8 hours test!! thumbsdownsmileyanim.gif
Voltages used: 1.26 vcore 1.93 vccin llc level 6 i just increased a bit system agent to 1.040V.



Ok, i will set the phase to optimize , what about my Vcore should i make a 0.05V or 0.1V increasement?

change one thing at a time otherwise... who knows what did what

u probably know this, but with vccsa, more is not necessarily more, different is more wth.gif

nice max temps for that 8hr run
Edited by michael-ocn - 4/2/16 at 2:02am
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post #18008 of 21934
Quote:
Originally Posted by leonman44 View Post

Good morning guys! I cant believe it that it my oc crashed at 7.8 hours on a 8 hours test!! thumbsdownsmileyanim.gif
Voltages used: 1.26 vcore 1.93 vccin llc level 6 i just increased a bit system agent to 1.040V.



Ok, i will set the phase to optimize , what about my Vcore should i make a 0.05V or 0.1V increasement?

What is your GPU driver? RealBench also stresses the GPU and if it is unstable or there is a driver problem, it can give the wrong idea. I have crashes in RealBench with Drivers 364.51 and 364.72 even when the CPU is at stock. And the reason is Nvidia drivers...
Also what is your Cache OC and voltage?
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post #18009 of 21934
Quote:
Originally Posted by michael-ocn View Post

change one thing at a time otherwise... who knows what did what
Yesterday i was overclocking all day tried almost everything in bios , but i had a general idea from my previous oc which was lower cause of the cooler , i will just increase the vcore ast 1.27 should be ok there. Yes i remember the story with vccsa when i was ocing ram and my stable values are until 1.080 anything more will make it unstable. For the temps i was expecting something better from me 360lt rad only for the cpu as 1.3v will make it go over 80c , but they are not bad.
Quote:
Originally Posted by HeadlessKnight View Post

What is your GPU driver? RealBench also stresses the GPU and if it is unstable or there is a driver problem, it can give the wrong idea. I have crashes in RealBench with Drivers 364.51 and 364.72 even when the CPU is at stock. And the reason is Nvidia drivers...
Also what is your Cache OC and voltage?

Yes , real bench will crash all the Nvidia drivers with oc or even with not , i just did that:


1) open msi afterburner (i guess you have it)
2) start the test
3) When the gpu test opens go to mode-> pause (if doesnt work directly then wait until to show the rendering pic)
4) wait and see if in afterburner clocks are down , if not then it will surely crush and you will have to try again.

Guys what about this settings? :



and


i think that i have to leave this one at extreme but setting power phase at optimize it gave me way better idle temps , i will see the max temps on the next test!thumb.gif
Edited by leonman44 - 4/2/16 at 2:34am
post #18010 of 21934
Quote:
Originally Posted by leonman44 View Post


Guys what about this settings? :



and


i think that i have to leave this one at extreme but setting power phase at optimize it gave me way better idle temps , i will see the max temps on the next test!thumb.gif

These settings generally do not affect stability by much. I have both of these at Auto and both don't affect my OC in anyway.
It is all about doing one thing at a time and then trying other things, to rule out the possible causes of instability.

First concentrate on Vcore and Input voltage (both are linked to core oc), set your targets and go from there. Most of the time 1.9-1.95 is the sweet spot for CPU input voltage. 1.30-1.25 is the sweet spot for Vcore (considering you have sufficient cooling). Set your multiplier target and increase/ decrease it till you find instability/ stability (cpu mulitplier*bclk=cpu core clock).. After you are 100% certain that the CPU is stable at anything you can load the XMP profile of your RAM (might need system agent adjustment) and then go to cache oc, Going from 3 GHz to 4 GHz cache can give a nice 5-10% boost in CPU limited scenarios. 1.25-1.2 is the max you can go for cache without a noticeable degradation to the chip.

IMO most balanced stability test for core oc is OCCT 4.4.1 (Large Data Set). Many will not use it because it is very punishing compared to RealBench, and it can kill their OCs within minutes. But for me it is important for my OC to pass OCCT for 12 hrs at least. If the CPU passed 12 hrs of OCCT LDS you can be 90-95% certain that the core is stable at everything else.

For Cache and RAM OCing test I recommend using HCI memtest by running 12 instances and distributing them to your cores each instance for each core, and distributing your RAM evenly between them. Try to keep 10% of free memory. For me 1075 MB is the sweet spot. If it passed 1000-1500% then most likely you are good to go.
Edited by HeadlessKnight - 4/2/16 at 3:54am
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Intel Core i7-5820K @ 4.40 GHz Asus Rampage V Extreme/U3.1 MSI GTX 980 Ti Gaming 6GB  Corsair Vengeance LPX 16GB (4x4) DDR4-3000 
Hard DriveHard DriveCoolingOS
Samsung 850 Pro 1TB Samsung 950 Pro NVMe 512GB NZXT Kraken X62 Windows 10 Pro 
MonitorMonitorKeyboardPower
Asus VG236H 23" 120 Sony XBR43X800D 43" 4K TV CoolerMaster Octane Storm + Razer Turret EVGA SuperNOVA 1000 G3 
CaseMouseMouse PadAudio
Corsair Graphite 760T Black Logitech G502 Proteus Spectrum + Razer Turret Razer Goliathus Asus Xonar Essence STX II 
CPUMotherboardGraphicsRAM
Intel Core i7-4720HQ @ 2.60 GHz Asus G751JY Asus GTX 980M 4GB SK hynix HMT41GS6BFR8A-PB 16GB (2x8) DDR3L-1600 
Hard DriveHard DriveOptical DriveOS
SanDisk SD7SB3Q128G1002  HGST Travelstar 7K1000 1TB HL-DT-ST DVDRAM GUC0N Windows 10 Home 64-bit 
MonitorAudio
LG Philips LP173WF4-SPD1 + G-SYNC @ 75 Hz Realtek ALC668 
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Desktop
(16 items)
 
Laptop
(10 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i7-5820K @ 4.40 GHz Asus Rampage V Extreme/U3.1 MSI GTX 980 Ti Gaming 6GB  Corsair Vengeance LPX 16GB (4x4) DDR4-3000 
Hard DriveHard DriveCoolingOS
Samsung 850 Pro 1TB Samsung 950 Pro NVMe 512GB NZXT Kraken X62 Windows 10 Pro 
MonitorMonitorKeyboardPower
Asus VG236H 23" 120 Sony XBR43X800D 43" 4K TV CoolerMaster Octane Storm + Razer Turret EVGA SuperNOVA 1000 G3 
CaseMouseMouse PadAudio
Corsair Graphite 760T Black Logitech G502 Proteus Spectrum + Razer Turret Razer Goliathus Asus Xonar Essence STX II 
CPUMotherboardGraphicsRAM
Intel Core i7-4720HQ @ 2.60 GHz Asus G751JY Asus GTX 980M 4GB SK hynix HMT41GS6BFR8A-PB 16GB (2x8) DDR3L-1600 
Hard DriveHard DriveOptical DriveOS
SanDisk SD7SB3Q128G1002  HGST Travelstar 7K1000 1TB HL-DT-ST DVDRAM GUC0N Windows 10 Home 64-bit 
MonitorAudio
LG Philips LP173WF4-SPD1 + G-SYNC @ 75 Hz Realtek ALC668 
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Reply
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