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ROG Crosshair VI overclocking thread - Page 790

post #7891 of 16797
Quote:
Originally Posted by Nijo View Post

CableMod has a small cable adapter, which crosses blue and green cable. It´s delivered with the stripes. Try it at the rgb-header.

Silly question, new to Aura, since the Aura software has a "calibration" feature which lets you correct for a reversed blue - green, why do we need an adapter?
post #7892 of 16797
Heres my settings for ddr4 3600 c 14 13 13 13 28.

First load optimized defaults. Reboot
Set ram to 3200. Dont touch any other settings, reboot.

Set overclock to manual, set dram voltage to 1.45, soc to 1.25, ddr4 boot to 1.45. Reboot

Set timings 13 13 13 13 28. Set ddr4 phase to extreme, vrm frequency to 400, current to 130% bclk to 112.8

Boot into windows.

If you get a pause in posting hit reset button rapidly for about 5 seconds. Mine always recovers that way.

After that i begin my cpu overclocking
post #7893 of 16797
Quote:
Originally Posted by madweazl View Post

Few things I've noticed:

1) I haven't had to change the vcore on any of the new BIOS but I do not use an offset (just vcore and LLC).

2) It looks like Corsair LPX compatibility is considerably better but many with G.skill b-die that previously found it easy to get 3200 have had to modify previously working settings (myself included).

3) I have a very high frequency squeal with all four of the new BIOS (79, 81, 82, 83); I assume this is coming from the VRM. This was not present with 1002*.

All anecdotal of course but it would be interesting to see if this rings true for others.

* Settings:

CPU core ratio - 39.5
Memory freq - 3200 (14-14-14-14-34 with 1002 and 16-14-14-14-34 with 0079-0082)
LLC 5
DRAM Vboot 1.400 (1.375 was incorrect)
CPU core volt - 1.41875
CPU SOC volt - .950
DRAM volt - 1.3750 (1.350 on 1002)
1.8v PLL volt - 1.800

All else set to defaults.


Using 0082 I'm still in the the early stages of tuning things, but currently:

CPU core ratio - 40
Memory freq - 3200 (14-14-14-14-34)
LLC 2
DRAM Vboot - 1.375
CPU core volt - 1.39
CPU SOC volt - 1
DRAM volt - 1.375
1.8v PLL volt - not changed from default
post #7894 of 16797
Quote:
Originally Posted by madweazl View Post

So the settings in your first image are a stable overclock even though you're getting a code 8? You believe this is due to thermal issues?
The Code 8 happens when the CPU is over 110C, due to Sense Skew the readings just don't reflect that real temperature even remotely. Instead of a Code 8 I should get a shutdown, full stop.

And the screenshot and tests were done at stock settings, not at overclocked settings.
post #7895 of 16797
Quote:
Originally Posted by mkst View Post

I've tried to read through as much as I can of this thread and still can't make up my mind between this board and the ASRock Taichi that has been recommended/praised since launch. I actually own both boards and have the ability to return the Taichi to Microcenter - bought one impulsively after it had finally went in stock but have not really tested either of them beyond the BIOS/UEFI as I'm waiting on a few more parts to complete my build. They both appear to be in the same class, unless I'm missing something? Was hoping someone could convince me biggrin.gif

If your return time frame allows, I would definitely test them yourself for a decision, unless someone else happens to have had the luxury of doing so. I am loving my Crosshair, but no idea what I would think of the Taichi, just anecdotal knowledge.
post #7896 of 16797
Quote:
Originally Posted by Timur Born View Post

The Code 8 happens when the CPU is over 110C, due to Sense Skew the readings just don't reflect that real temperature even remotely. Instead of a Code 8 I should get a shutdown, full stop.

And the screenshot and tests were done at stock settings, not at overclocked settings.

SenseMi Skew auto results in this?
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post #7897 of 16797
Yep, everything at "Optimized Defaults". Sense Skew decreases Tctl readings, so that they somewhat compensate for when the +10/+20C offsets get applied. This also makes the full idle reading (no offset applied) correct, hence the Tdie reading being far too low when idle.

The problem is that at the other end of the temperature spectrum (boiling heat) Sense Skew (Auto) prevents Tctl to reach soft- and hard-throttling temperatures, and even worse to reach shutdown temperatures. Instead the hot temps make even the stock CPU run into a Code 8. And since this doesn't turn off the system the CPU even still gets fed voltage (around 1 V during Code 8).

Take a look at the second screenshot again, these are the real temperatures and the CPU already tried to throttle to 0.5 GHz (!) after it hit real 95C without offset, with offset it only throttles down to around x30 at 95C. So with Sense Skew enabled the CPU keeps running at full speed between 95-115C and then crashes to Code 8, before you may already get WHEA errors and if you are lucky a bluescreen
This all is not so much of a problem with proper cooling, except that you never really know your real temps. Personally I disable Sense Skew now and will try some manual values once I find time. Of course this makes finding silent fan-curves more of a problem, because these stupid +10/+20C offsets increase Tctl over the real CPU temp.

I don't claim that I understand it all (yet), but I understand enough from my tests to see that this is problematic and generally quite a messy way of handling CPU temp readings.
Edited by Timur Born - 4/8/17 at 2:44pm
post #7898 of 16797
@elmor don't know if you guys know this, but in 1002 and in the new beta firmwares there is a bug that if you make any changes to the CSM options under boot and save them, the next time you reboot and go into setup all the options under Advanced will be screwed up. Making any changes to any options under Advanced will make the same change for all options, so if you disable SATA for instance, it will disable *everything*. frown.gif Only way to fix is to clear CMOS.
post #7899 of 16797
Quote:
Originally Posted by icebalm View Post

@elmor don't know if you guys know this, but in 1002 and in the new beta firmwares there is a bug that if you make any changes to the CSM options under boot and save them, the next time you reboot and go into setup all the options under Advanced will be screwed up. Making any changes to any options under Advanced will make the same change for all options, so if you disable SATA for instance, it will disable *everything*. frown.gif Only way to fix is to clear CMOS.

I've only observed this if the settings failed to train. If it boots properly (follow the LED cycles), the settings have remained.
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post #7900 of 16797
Which voltage in HWinfo is significant? SVI2, Core VID, and the motherboard's ITE sensor Vcore all report different values. Voltage is set to 1.35V and LLC left on auto.
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