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Skylake Overclocking Guide [With Statistics] - Page 796

post #7951 of 11360
Quote:
Originally Posted by v1ral View Post

Dumb question:
So for voltages do I take what HWInfo "Vcore" as actual volts or am I just at the mercy of bonk read outs?
trying to get stable at 4.9Ghz and I am already at 1.425 in bios but in HWInfo it's shoots up to 1.488 while running the X264 test in Realbench.
Also is 85c the absolute limit for temps?

What llc are you running at? Your going to have to ask yourself if 4.9ghz is worth the extra temps.
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post #7952 of 11360
I'm in the process of overclocking my first Skylake CPU and things have been going rather well so far. However, I'm now running into an issue with memory that I'm struggling to understand.

My chip seems to be a decent overclocker and I have it running at 4.6 Ghz on just 1.25 vcore. I checked stability by running small FFT Prime95 for over 2 hours. At that point max CPU temp was 60C with the CPU fans running at 900 rpm.

I have an Intel 6700K CPU that I've delidded, a Noctua NH-D15S cooler with 2 fans attached, a Gigabyte Z170X Gaming 7 motherboard, and 4x 8GB G.Skill TridentZ memory rated at 3400 Mhz.

As directed by the o/c guide, up until now I've been testing with XMP disabled so my memory has been running at the default 2133 Mhz. Now that I've achieved a stable CPU overclock I'm moving on to the RAM.

Unfortunately, enabling XMP in the BIOS to get my ram to run at its rated 3400 Mhz speed is causing CPU temperature to rise considerably. After 2 minutes of Prime 950 small FFT my CPU reads 70C with the Noctua fans running at 1050 rpm.

What could account for such a huge difference after enabling XMP? I realize Skylake chips have an integrated memory controller (which is expected to generate some heat) but could that alone really be causing temps to rise by well over 10C? Or are there some other considerations related to enabling XMP that I'm not aware of?
post #7953 of 11360
Quote:
Originally Posted by Mikkle View Post

.

What could account for such a huge difference after enabling XMP? I realize Skylake chips have an integrated memory controller (which is expected to generate some heat) but could that alone really be causing temps to rise by well over 10C? Or are there some other considerations related to enabling XMP that I'm not aware of?

when you enable xmp the mobo will up your ram voltage to 1.35, and most likely the IO, SA voltages as well. Probably a combination of all those voltages being upped is why you see a temp increase. For example on the z170 gigabyte's if you leave the SA voltage on auto running xmp with 3000+ memory it will auto volt it around 1.29 near there. I think especially with your ram at 3400 it's pretty normal for a temp increase like that since the IMC is being overclocked by a good margin from stock 2133.
Edited by sammkv - 7/3/16 at 7:56pm
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post #7954 of 11360
Quote:
Originally Posted by Enterprise24 View Post

I already order Trident Z 3600 CL17 because I think at least if it can't OC much then it should still tighten timing easier than 3200.

My ripjaws 4 3000Mhz can boot on Z170-A at 3518Mhz but it can't get pass 3333Mhz with stability. I try every way but 3466Mhz is never pass Hyper PI 32M.

The ASUS Z170-A work with my RAM at 3600Mhz now I just push more to 3733Mhz.
3866Mhz is no boot. I will try again.
post #7955 of 11360
Hi Guys,

Maybe not a best place to ask but still I will give it a shot.

HW Monitor software does now show FCLK or any other bus's clocks and voltages (other then CPU ofc). I run Maximus VIII Hero Alpha.

Does anyone know what is missing? All relevant drivers from ASUS are installed, newest BIOS. Is is something in BIOS I have to change?

EDIT: So I am looking for a full readout like below (not my screenshot) - on mine there is only CPU multi and freq:

[

Thanks
Edited by sebna - 7/4/16 at 3:07am
post #7956 of 11360
Quote:
Originally Posted by sebna View Post

Hi Guys,

Maybe not a best place to ask but still I will give it a shot.

HW Monitor software does now show FCLK or any other bus's clocks and voltages (other then CPU ofc). I run Maximus VIII Hero Alpha.

Does anyone know what is missing? All relevant drivers from ASUS are installed, newest BIOS. Is is something in BIOS I have to change?

EDIT: So I am looking for a full readout like below (not my screenshot) - on mine there is only CPU multi and freq:
Warning: Spoiler! (Click to show)
[

Thanks
Look for System Agent Clock as below.
post #7957 of 11360
Quote:
Originally Posted by mandrix View Post

Look for System Agent Clock as below.

Hey, thanks for an answer. I know what to look for is just it is not there. It only gives me Core clock and core voltages but no other bus details at all.
post #7958 of 11360
Quote:
Originally Posted by sebna View Post

Hey, thanks for an answer. I know what to look for is just it is not there. It only gives me Core clock and core voltages but no other bus details at all.
This is with HWINFO? If so talk to the author, he's good about making changes to his program for different motherboards.

Also you should fill out your rig signature. thumb.gif
post #7959 of 11360
I did not fill out my rig details while ago. Have to check why it is not showing smile.gif
post #7960 of 11360
Quote:
Originally Posted by sebna View Post

I did not fill out my rig details while ago. Have to check why it is not showing smile.gif

Maybe, you could check this out...

http://www.overclock.net/t/1258253/how-to-put-your-rig-in-your-sig/0_30 thumb.gif
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