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Windows 10.
 
agentx250  posted on Nov 08, 2014 9:52:17 PM - Report post

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quote:
originally posted by kingkob

In theory it's not but when I choose one of my xmp profiles it changes cpu values including multiplier and locks my cpu on 3.626ghz when it's stock turbo boost is 3.6ghz which is hard to understand..
Also my cpu is 10c more hotter when idle after I apply the xmp profile.
I'm talking about ddr4 and haswell-e cpu on a x99 platform not a conventional system I dont think you know much about it because nobody does still and it was really hard to reproduce this issue over the web (being brand new platform and all)but I found more people that are having the same results and finiding it strange as well.
anyway I sent mail to Asus hoping to clarify why Corsair xmp profiles touches cpu values.

[Edited by kingkob, 11/8/2014 9:51:07 PM]

It's likely increasing the ram controller voltage when it increases the ram voltage to match the given xmp profile. If it also changes the BCLK skew or ratio that could also account for the .026 ghz offset that you see. As far as I know windows only displays one digit after the decimal unless you're using a non-bundled program.

As for win10, unless a game comes out that I just have to have and I decide to upgrade my 3 gtx 470s to a Dx12 card I won't be upgrading. Even if the os only costs $30 I'd still be looking at at least another 300 for a new gfx card. The way games are looking these days I doubt I'll be needing any upgrades in the near future. Never mind that those matte colors just kill my eyes!

 
kingkob  posted on Nov 08, 2014 10:04:04 PM - Report post

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quote:
originally posted by agentx250

quote:
originally posted by kingkob

In theory it's not but when I choose one of my xmp profiles it changes cpu values including multiplier and locks my cpu on 3.626ghz when it's stock turbo boost is 3.6ghz which is hard to understand..
Also my cpu is 10c more hotter when idle after I apply the xmp profile.
I'm talking about ddr4 and haswell-e cpu on a x99 platform not a conventional system I dont think you know much about it because nobody does still and it was really hard to reproduce this issue over the web (being brand new platform and all)but I found more people that are having the same results and finiding it strange as well.
anyway I sent mail to Asus hoping to clarify why Corsair xmp profiles touches cpu values.

[Edited by kingkob, 11/8/2014 9:51:07 PM]

It's likely increasing the ram controller voltage when it increases the ram voltage to match the given xmp profile. If it also changes the BCLK skew or ratio that could also account for the .026 ghz offset that you see. As far as I know windows only displays one digit after the decimal unless you're using a non-bundled program.

As for win10, unless a game comes out that I just have to have and I decide to upgrade my 3 gtx 470s to a Dx12 card I won't be upgrading. Even if the os only costs $30 I'd still be looking at at least another 300 for a new gfx card. The way games are looking these days I doubt I'll be needing any upgrades in the near future. Never mind that those matte colors just kill my eyes!

I'm using cpuz to monitor.
But Win7 shows me the weirdest thing in properties:
"I75820k @3.30ghz 2.90ghz"
And before xmp profile:
"I75820k @3.30ghz 3.30ghz"

Like my turbo clock is even less than the base clock lol.

Edit: btw it's not increasing ram voltages ddr4 works mostly on a low 1.2v on overclocked speeds.
"DDR4 operates at a voltage of 1.2V with frequency between 1600 and 3200 MHz"

[Edited by kingkob, 11/8/2014 10:09:26 PM]

 
stealhtfire  posted on Nov 09, 2014 7:12:04 AM - Report post

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quote:
originally posted by kingkob

In theory it's not but when I choose one of my xmp profiles it changes cpu values including multiplier and locks my cpu on 3.626ghz when it's stock turbo boost is 3.6ghz which is hard to understand..
Also my cpu is 10c more hotter when idle after I apply the xmp profile.
I'm talking about ddr4 and haswell-e cpu on a x99 platform not a conventional system I dont think you know much about it because nobody does still and it was really hard to reproduce this issue over the web (being brand new platform and all)but I found more people that are having the same results and finiding it strange as well.
anyway I sent mail to Asus hoping to clarify why Corsair xmp profiles touches cpu values.

[Edited by kingkob, 11/8/2014 9:51:07 PM]

Intels CPUstock valaue for RAM frequency is set to 1333MHz.
An XMP profile is basically a preset value chart on the RAM sticks themselves to make your CPU auto overclock the RAM stock value, to match the actual rated speed of the RAM.

Example;
CPU frequency controller default is set to 1333MHz @ CL9.
Insert RAM rated 2400MHz @ CL10.

Some motherboards will be able to auto detect the RAM max rating for 2400MHz from the XMP profile, in turn auto overclock the CPU RAM controller default value to match that of the stick.
If not,then your RAM would auto underclock itself and you would have wasted a lot of money.

Some other motherboards can not auto do this, you can go into the BIOS and manually try and find and set the XMP profile, or just do all the settings manually with a profile.

This is why it touches CPU values, it overclocks the CPU's memory controller.
Nothing else however.
If the CPU was running @ 3.2Ghz with a boost set to 3.6, these values would still be the exact same, unless you touched the CPU multiplier for some reason.


 
kingkob  posted on Nov 09, 2014 8:01:10 AM - Report post

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quote:
originally posted by stealhtfire

quote:
originally posted by kingkob

In theory it's not but when I choose one of my xmp profiles it changes cpu values including multiplier and locks my cpu on 3.626ghz when it's stock turbo boost is 3.6ghz which is hard to understand..
Also my cpu is 10c more hotter when idle after I apply the xmp profile.
I'm talking about ddr4 and haswell-e cpu on a x99 platform not a conventional system I dont think you know much about it because nobody does still and it was really hard to reproduce this issue over the web (being brand new platform and all)but I found more people that are having the same results and finiding it strange as well.
anyway I sent mail to Asus hoping to clarify why Corsair xmp profiles touches cpu values.

[Edited by kingkob, 11/8/2014 9:51:07 PM]

Intels CPUstock valaue for RAM frequency is set to 1333MHz.
An XMP profile is basically a preset value chart on the RAM sticks themselves to make your CPU auto overclock the RAM stock value, to match the actual rated speed of the RAM.

Example;
CPU frequency controller default is set to 1333MHz @ CL9.
Insert RAM rated 2400MHz @ CL10.

Some motherboards will be able to auto detect the RAM max rating for 2400MHz from the XMP profile, in turn auto overclock the CPU RAM controller default value to match that of the stick.
If not,then your RAM would auto underclock itself and you would have wasted a lot of money.

Some other motherboards can not auto do this, you can go into the BIOS and manually try and find and set the XMP profile, or just do all the settings manually with a profile.

This is why it touches CPU values, it overclocks the CPU's memory controller.
Nothing else however.
If the CPU was running @ 3.2Ghz with a boost set to 3.6, these values would still be the exact same, unless you touched the CPU multiplier for some reason.


I finally found the correct answer over the web:
"How does XMP work on DDR4?
Very similarly to DDR3, but with some caveats. For starters, Haswell-E tops out at a 2666MHz memory strap, which is very low for what DDR4 can do. Since XMP specifies speeds in excess of 2666MHz, your motherboard BIOS has to compensate somehow. Typically, when XMP tells the motherboard to use a higher memory speed than 2666MHz, the motherboard BIOS will bump the BClk strap from 100MHz to 125MHz. That’s normal, but that change will also increase the clock speed of the CPU itself; a well-designed BIOS will compensate and bring the CPU clock speed in line."
As you can see it does slightly overclock the cpu, I appreciate your efforts to help but please do a further research next time before Jumping into conclusions.

[Edited by kingkob, 11/9/2014 8:10:11 AM]

 
Neo7  posted on Nov 10, 2014 11:23:49 PM - Report post

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I finally tracked down one issue that's been ongoing for awhile. Every night I don't use my computer often so I put it to sleep. For awhile on Windows 8 / 8.1 / 10, it would go to sleep for 10 seconds then wake up again. I didn't mind it since the computer is in a different room from where I sleep (very sensitive to light when sleeping and all the lights on my PC put night lights to shame).

Today I did some cleanup and decided that iTunes wasn't worth it for the few songs that were encrypted and needed to be played through it and uninstalled it. Come that night lo and behold my computer decides to sleep soundlessly at night now. Just to prove a point, I reinstalled iTunes cleanly and the problem came back.

Apple...what the hell happened? Your software is supposed to play and buy media. It shouldn't do anything else.

The Razer software for their keyboards is another beast as well. I'm sure you've seen this problem pop up with trainers in that if you strike the F1 key or whatever, the trainer announces "Activated" over and over and over again which is your keyboard driver / cache not doing what it's supposed to be doing. Razer goes to a whole new level with this and screws up the keyboard access to Windows in general.

More than once have I come to my PC where the keyboard refuses to work properly. Sometimes it'll be like one random key is held down even though it's not. Sometimes it'll lockup completely. Keyboard access is the bare minimum needed to interact with your computer. Take that away and you're screwed. Naturally I tried unplugging the keyboard and plugging it back into a different port. Nope won't work. Time for a restart...oh I can't do that because the keyboard is going berserk...well I can cold boot it (not ideal).

[Edited by Neo7, 11/10/2014 11:33:47 PM]

 
kingkob  posted on Nov 10, 2014 11:50:43 PM - Report post

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Intriguing.. my pc behaves the same way with sleep on win7 but it awakes randomly, I'll uninstall Itunes and will try sleep again.

Edit: Itunes didnt work for me

[Edited by kingkob, 11/12/2014 12:04:40 AM]

 
Neo7  posted on Nov 12, 2014 7:23:09 PM - Report post

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Did you uninstall all the Apple stuff? IIRC iTunes does not cleanly uninstall (although some find it advantageous as the drivers do allow other 3rd party programs to connect to Apple stuff).

Also Build 9879 was released to the Fast Track of the Windows Insider Program. Details on what's new and known issues with new build are here:

Link

BTW if you did not know, Windows Insider Program has two levels which you can control from the Modern UI Control Panel (under Build Updates).

Fast Track: This QA ring gets builds more in advance but in general should expect much more instability than the Slow Track. This QA ring comes immediately after Microsoft's internal validation check (where the company as a whole evaluates it with what they do) and they give it the green light.

Slow Track: This QA ring gets builds much more slowly than the Fast Track does. This is accomplished by being the next QA ring after Fast Track. Builds get to this level if and only if Microsoft has deemed that the general opinion of the Fast Track group means a green light. If it fails Fast Track's ring then Slow Track will never see the build in question.

 
kingkob  posted on Nov 13, 2014 6:31:29 AM - Report post

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Cant say I did, but I'll try it tonight.

About the Insider program- no I had no idea, but let me get it straight and simplify it a bit, what you're sayin is that there are two testing groups one that gets builds faster roughly go over them and approve them for the 2nd testers ring for Deep inspection?

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