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Haswell Overclocking Guide [With Statistics] - Page 388

post #3871 of 19539
Quote:
Originally Posted by starmanwarz View Post

How many hours of XTU are enough? Currently running for 5 hours without problems, is it enough?

Personally, I do a run of 10-20 passes on LinX, and if everything stays stable (with decent temps), then I move on to Arkham City or Far Cry 3 - Iceberg Challenge Map on Arkham City or the regular story on Ultra settings in Far Cry 3....thumbsupsmiley.png

The only way to know if your OC is going to be stable for your purposes is to use your PC. No amount of synthetic testing will tell you this.
post #3872 of 19539
Thread Starter 
Quote:
Originally Posted by blaze2210 View Post


Personally, I do a run of 10-20 passes on LinX, and if everything stays stable (with decent temps), then I move on to Arkham City or Far Cry 3 - Iceberg Challenge Map on Arkham City or the regular story on Ultra settings in Far Cry 3....thumbsupsmiley.png

The only way to know if your OC is going to be stable for your purposes is to use your PC. No amount of synthetic testing will tell you this.

Uhm, interesting profile picture, lol. :h34r-smi

 

I think using synthetics won't be able to skid by due to temperature issues. x264/chess/gaming/etc are all fine though. That's if I"m going for 4.6. The issue is chess takes a while to Bsod, and x264 has no auto-loop function as it was designed as a benchmark not a stress test.

 

I'm back to 4.5ghz on my last known stable settings... 4.5/4.1, 2133, 10-11-10-31

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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 
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14xEK ACF (Compression Fittings) EK x4 250 (v2) Distilled Water + PT Nuke (Copper Sulphate) 24x140mm Silent Wings 3 
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CoolingCoolingCoolingCooling
14xEK ACF (Compression Fittings) EK x4 250 (v2) Distilled Water + PT Nuke (Copper Sulphate) 24x140mm Silent Wings 3 
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post #3873 of 19539
Quote:
Originally Posted by Darkwizzie View Post

Uhm, interesting profile picture, lol. ph34r-smiley.gif

I think using synthetics won't be able to skid by due to temperature issues. x264/chess/gaming/etc are all fine though. That's if I"m going for 4.6. The issue is chess takes a while to Bsod, and x264 has no auto-loop function as it was designed as a benchmark not a stress test.

I'm back to 4.5ghz on my last known stable settings... 4.5/4.1, 2133, 10-11-10-31

Thanks! If you know that temps are going to be an issue (LinX), then you can always do a run with Intel Extreme Tuning Utility. It'll let you stress the CPU or memory and will also track the temps and let you know if the CPU is throttling....
post #3874 of 19539
Thread Starter 
Quote:
Originally Posted by blaze2210 View Post


Thanks! If you know that temps are going to be an issue (LinX), then you can always do a run with Intel Extreme Tuning Utility. It'll let you stress the CPU or memory and will also track the temps and let you know if the CPU is throttling....

Yes but the voltage is going all the way from 1.32v ish to 1.4 or so. It's getting really hard to take that heat with air @ 27.9 Prime.

 

XTU is as hot as Prime? (27.9)

I also gotta take off that adaptive voltage stuff.

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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 
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CoolingCoolingOSMonitor
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Undelwalt (2017)
(29 items)
 
 
Celapaleis (2013)
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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 
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Krk Rokit 6 G2 x2 Radioshack Ground Loop Isolator (For Rokits) Wooaudio Aluminum Headphone Stand Sennheiser HD 800 
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post #3875 of 19539
Quote:
Originally Posted by FtW 420 View Post

Nice one! I needed 1.88V to hit 6Ghz, & had to keep it within about 5° of bugging out to even POST there.

Disappointed in the IMC though, my 4770k has a worse IMC than a couple of the 3770k I've had. It can't do 3000mhz on water... sozo.gif

:O that's bad fer haswell chip
PS:Good luck @MOA!~ thumb.gif
 
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post #3876 of 19539
Are adaptive voltages safe?

From Asus "The Key Lesson: VCCIN = +0.4 VCore

Intel defines the VCCIN specification (called the ‘Eventual CPU input voltage’ in the ROG BIOS) in relation to CPU Vcore as follows:

Less than 0.4V – not recommended. Instability is almost guaranteed
0.4V – ideal value
0.4-0.6V – general ‘OK’ range
Above 0.6V – not recommend as long-term damage can occur
Generally speaking, higher VCCIN can cause a higher CPU temperature

As all 5 internal power rails are pulled from the single VCCIN, below 0.4V difference is not recommended as high loading on the;input voltage will cause a voltage drop that can lead to it being lower than the internal voltages. This will cause the system to lock-up. Above the safe range can cause long-term damage due to a larger than necessary potential difference. This is the same reasoning why DDR3 voltage should not exceed 1.5V, as the CPU Uncore can be damaged.

Due to the small voltage difference, the Maximus VI Extreme now has 8 Steps of VCCIN Load-Line Calibration, up from 5 in the previous generation, to more accurately moderate its VCCIN according to detected loading."


When the voltage dips via EIST/C1E, isn't the delta above the recommended limit?
post #3877 of 19539
^I'm not sure if that should be taken seriously, nobody runs 1.5v RAM for example. 1.65-1.75v 24/7 is commonplace
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post #3878 of 19539
1.65v RAM is dangerous on Ivy-Haswell.

1.65v was ok on the first gen i7s, not the ones that came after.
post #3879 of 19539
Quote:
Originally Posted by byardz View Post

1.65v RAM is dangerous on Ivy-Haswell.

1.65v was ok on the first gen i7s, not the ones that came after.

any proof to suppport that claim? I'm interested.
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post #3880 of 19539
Quote:
Originally Posted by TrevJonez View Post

any proof to suppport that claim? I'm interested.

Yup



If you plan on keeping your processor a long time it is smart to not exceed these values.

Too much voltage on the ram above the 1.5 +5% = eventual IMC burn out.
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