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post #10641 of 19540
Hey all-
Everything's been going swimmingly until just recently. I couldn't get 4.8 stable even at what I thought were pretty high voltages (1.365vcore, 2.0vin, 1.1vring) at stock speeds and uncore - kept getting the Clock_Watchdog_Timeout bsod. Core temp was averaging in the low 70s on each 4.8run (h100i, delid - I get the impression that's not great given that though).
Anyway, I had 4.7 stable before this with temps in the mid 60s and conservative voltages (1.29vcore, 1.88vin, 1.050vring), so I wanted to try 4.7 with a higher uncore (before that, I had set it fairly low, at 32-35. But now it seems I can't bring uncore back down. Even when I load an old, stable profile ('mild' OC to 4.4 with uncore at 3.5ghz) uncore is stuck up at 4ghz according to hwinfo64, even though the bios says it's at 3.5.
I've decided not to do any more testing before finding out if I've possibly done any permanent damage to my CPU, Mobo, both, or neither. Anyone?

EDIT: Wait, maybe it's Turbo? I never turned off turbo, but it hasn't seemed to have made a difference the whole time. I'ma try that.
Edited by bilditup1 - 3/2/14 at 10:00pm
post #10642 of 19540
Quote:
Originally Posted by bilditup1 View Post

Hey all-
Everything's been going swimmingly until just recently. I couldn't get 4.8 stable even at what I thought were pretty high voltages (1.365vcore, 2.0vin, 1.1vring) at stock speeds and uncore - kept getting the Clock_Watchdog_Timeout bsod. Core temp was averaging in the low 70s on each 4.8run (h100i, delid - I get the impression that's not great given that though).
Anyway, I had 4.7 stable before this with temps in the mid 60s and conservative voltages (1.29vcore, 1.88vin, 1.050vring), so I wanted to try 4.7 with a higher uncore (before that, I had set it fairly low, at 32-35. But now it seems I can't bring uncore back down. Even when I load an old, stable profile ('mild' OC to 4.4 with uncore at 3.5ghz) uncore is stuck up at 4ghz according to hwinfo64, even though the bios says it's at 3.5.
I've decided not to do any more testing before finding out if I've possibly done any permanent damage to my CPU, Mobo, both, or neither. Anyone?

EDIT: Wait, maybe it's Turbo? I never turned off turbo, but it hasn't seemed to have made a difference the whole time. I'ma try that.

You need turbo on or on auto, at least on some boards, to go above any stock speeds. 35x uncore will turbo to 40x, so either set 33x manually, set 35x if you want 40x load 8x idle, or manually set something higher. 33x/1.15v is good for when you're pushing core clocks and still unstable there, better not to be unstable in multiple ways

As for your 4.8~

What are you testing with? You could try increasing VRIN another 0.1 - you could also try just going to ~1.385vcore to see if it works - or even both of those at the same time. Maybe have to just be a bit aggressive and then fall back. You're running LLC on VRIN yes?
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post #10643 of 19540
Quote:
Originally Posted by bilditup1 View Post

Hey all-
Everything's been going swimmingly until just recently. I couldn't get 4.8 stable even at what I thought were pretty high voltages (1.365vcore, 2.0vin, 1.1vring) at stock speeds and uncore - kept getting the Clock_Watchdog_Timeout bsod. Core temp was averaging in the low 70s on each 4.8run (h100i, delid - I get the impression that's not great given that though).
Anyway, I had 4.7 stable before this with temps in the mid 60s and conservative voltages (1.29vcore, 1.88vin, 1.050vring), so I wanted to try 4.7 with a higher uncore (before that, I had set it fairly low, at 32-35. But now it seems I can't bring uncore back down. Even when I load an old, stable profile ('mild' OC to 4.4 with uncore at 3.5ghz) uncore is stuck up at 4ghz according to hwinfo64, even though the bios says it's at 3.5.
I've decided not to do any more testing before finding out if I've possibly done any permanent damage to my CPU, Mobo, both, or neither. Anyone?

EDIT: Wait, maybe it's Turbo? I never turned off turbo, but it hasn't seemed to have made a difference the whole time. I'ma try that.

To overclock you need turbo.
If all else fails, reset the MB CMOS with the jumper (or by taking the battery out). You will loose your BIOS settings though.
post #10644 of 19540
Quote:
Originally Posted by Cyro999 View Post

You need turbo on or on auto, at least on some boards, to go above any stock speeds. 35x uncore will turbo to 40x, so either set 33x manually, set 35x if you want 40x load 8x idle, or manually set something higher. 33x/1.15v is good for when you're pushing core clocks and still unstable there, better not to be unstable in multiple ways

Right, I think I basically just found all that out, but I had no idea that was normal behavior. Thanks for the confirmation!
Quote:
As for your 4.8~

What are you testing with? You could try increasing VRIN another 0.1 - you could also try just going to ~1.385vcore to see if it works - or even both of those at the same time. Maybe have to just be a bit aggressive and then fall back. You're running LLC on VRIN yes?

I went up to 1.365vcore and 2.0 VRIN. I'm testing with x264. When I began with 4.8 I switched over a newer build of x264 posted recently in the thread, but then the BSODing started so I switched back. But that ended up making no difference - just made the tests go slower before eventual failure.
Edited by bilditup1 - 3/2/14 at 10:48pm
post #10645 of 19540
No go for 4.8 at 2.1vrin/1.385vcore. Gonna try to get 4.7 back (if I ever really had it...I only did 10 passes but that should have been enough to cause a BSOD).
post #10646 of 19540
Okay, I re-did the x264 Stability test. Updated to the newest encoders (the others were from Aug 2013), dropped in a new source file (although if anyone has a good one I can use that instead) and stripped a bunch of extraneous stuff out of the batch file. It no longer uses Avisynth at all so all that hassle is gone, I took out most of the logging/reporting stuff (so no CPU-z), and made some other small changes. I'm still trying to figure out a few small issues, and I want to do some more testing on all the possible combinations (multiple runs on both encoder versions or different systems) but I should be able to upload something tomorrow night.

If anyone has a source file they want to use, or recommended settings for the x264 encoder (currently using a single pass, constant bitrate, high profile, slower preset, 4000 bitrate) let me know.
post #10647 of 19540
Thread Starter 

Is this change in x264 supposed to up the stress of the test?

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post #10648 of 19540
Quote:
Originally Posted by Darkwizzie View Post

Is this change in x264 supposed to up the stress of the test?

According to angelotti, yes. But I'm not an encoding expert.

Edit: Plus streamline the test to take out the benchmarky stuff that was in there before.
Edited by Forceman - 3/3/14 at 12:51am
post #10649 of 19540
Thread Starter 
Quote:
Originally Posted by Forceman View Post


According to angelotti, yes. But I'm not an encoding expert.

Me neither, but I would just assume it'd increase time per per pass. Well, if this causes CPU usage to run to 100% constantly we'll know something changed... Can't we just use a random 1080p clip? Like go record Battlefield for 10 minutes, done deal.

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Undelwalt (2017)
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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 
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post #10650 of 19540
The time seems about the same, although I didn't measure it. It is only one pass now though, so the total time is slightly less. It is pushing about 99.1 percent CPU usage in my testing.

Right now I'm using a 75MB 1080p trailer for the new Godzilla movie as the source. I'm just not sure what encoder quality settings would be best.

Edit: So far everything seems to be working. Only thing left is to test it on a 32-bit OS, but since I'm currently watching The Walking Dead on the only 32-bit system in the house, that'll have to wait until tomorrow. smile.gif
Edited by Forceman - 3/3/14 at 1:23am
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