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post #20941 of 22487
Quote:
Originally Posted by OmegaNemesis28 View Post

lol this is going to sound really funny because in that other thread... someone recommended that to me as well. As soon as they did I found the solution to that issue.

And guess what?
I FOUND IT.

Hours of searching & mucking about with settings: Disable Virtualization in CPU Features.
WHY this changes the Bus clock, I have ~no freaking idea~. I've never had this issue on previous chipsets and gen CPUs. Really bizarre! Disabling virtualization gives me a 100.0MHz just as I set it in UEFI. It does not deviate from 100.0 at all.

If anyone has an explanation, I'd love to hear it.
I may just reinstall the OS to see if it fixes it because I happen to use virtualization quite a bit. I would like to see this not be an issue. Or, I may just disable it until I need it. Or, just not care about the bus speed changing and leave it as is. I was just really curious why it was happening and wanted to benchmark with 100% 4.4Ghz and up (wherever I go with the overclocking)

About 1.5 years later, and I come back to this thread with a question that I myself solved on my behalf. I knew I was seeing deja vu when my bus speeds were fluctuating. tongue.gif

Enabling Virtualization on my Z97 Extreme 4 causes my bus speed to fluctuate around 98-99mhz as opposed to the 100mhz it should be at.
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Nemesis NE-α
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post #20942 of 22487
Fluctuate where? The monitoring software uses different methods to derive the clocks. It's completely normal that it fluctuates on any board and CPU but people are always freakin' out.
post #20943 of 22487
For microcode update google "UBU UEFI bios updater tool". Or go to win-raid.com and look for the ubu forum topic.
Quote:
Originally Posted by killkernel View Post

I've done it GeneO :

http://www.overclock.net/t/1490324/the-intel-devils-canyon-owners-club/20710#post_25252384

As wrote in the linked post, i've tested CPU micro-codes from 19 to 1F and i've found that Rev. 1F is quite good but not strong as Rev. 19 has demostrated with my HW configuration.

This Rev. 20 was missing in U.B.U. CPU Micro-code upgrade choices and now SoniX (the developer) have added it and i'll surely test to verify if it's good or not... thumb.gif

Cheers,

KK

How do you get windows to not load 1C (I think it is) over 19 that you have in the BIOS? Did you use AIDA64 in windows to verify the microcode revision?
post #20944 of 22487
And what would one accomplish by updating the microcode? I mean, if there is any chance that it might improve overclocking or performance, why don't more people mention this? You guys got me curious now...

Or is it an "it's barely an improvement" kind of thing so most people end up ignoring it?
post #20945 of 22487
So now that I'm done with my cpu overclock it's time for memory. So i can't really reach 2400mhz on my memory but i had another thought. My memory is rated on it's xmp profile as 2400mhz 11-13-13-35.

What is faster. 2400mhz 11-13-13-35 or 1600mhz 9-9-9-24? Also i tried 1866mhz at 1.65v 11-13-13-35 stable but I don't know if i should rather back down speed a bit and go lower on timings?
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post #20946 of 22487
Quote:
Originally Posted by GeneO View Post

For microcode update google "UBU UEFI bios updater tool". Or go to win-raid.com and look for the ubu forum topic.
How do you get windows to not load 1C (I think it is) over 19 that you have in the BIOS? Did you use AIDA64 in windows to verify the microcode revision?

CPU Micro-code can be explained/understood at two levels and let me use the exemplification considering the integrated version in BIOS similar to an "hardware level" while the version reported by the OS and the monitoring/HW detection software as a kind of "SW level", in fact if you read the key of the Windows registry

HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0

and find the DWORD (labeling correspond to MS Windows 7 x64 that i'm using at the moment)

"Signature Update" = current latest microcode (from mcupdate _ *. Dll)

"Previous Signature Update" = default original microcode version (from BIOS)

Microcode is taken from c:\Windows\System32\mcupdate_GenuineIntel.dll (or mcupdate_AuthenticAMD.dll).

I'm not interested on what version is shown in OS by monitoring software because the "real" difference is made by CPU Micro-code integrated in BIOS infact if you have to install a new CPU on a motherboard declared compatible by its manufacturer you must update the BIOS with a new version that will integrate new CPU Micro-code with implementations for its management as well as recognition.

Cheers,

KK
post #20947 of 22487
Hey Everyone, I recently added a Corsair H55 water cooler to my i5 4690K. I've been pretty conservative so far with overclocking but i'm really curious to see what my peak would be. Also joining the 5ghz club would be awesome.

I'm currently running at 4.590Ghz @ 1.275 volts. This comes from a 102 base clock and x45 multiplier.

I was hoping to get some advice and tips on where I should focus next. From the research I've done, it seems exceeding 1.4V is strongly discouraged. Would being in the 1.325-1.375V range be safe? Also should I overclock the cache as well?




Edited by Louie7600 - 7/7/16 at 9:21am
post #20948 of 22487
Quote:
Originally Posted by Louie7600 View Post

Hey Everyone, I recently added a Corsair H55 water cooler to my i5 4690K. I've been pretty conservative so far with overclocking but i'm really curious to see what my peak would be. Also joining the 5ghz club would be awesome.

I'm currently running at 4.590Ghz @ 1.275 volts. This comes from a 102 base clock and x45 multiplier.

I was hoping to get some advice and tips on where I should focus next. From the research I've done, it seems exceeding 1.4V is strongly discouraged. Would being in the 3.25-3.75V range be safe? Also should I overclock the cache as well?

I hope that's a typo and you mean 1.325-1.375v. I've run my devil's canyon rig for that high for many months now and it's fine.
Edited by Artah - 7/7/16 at 9:44am
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post #20949 of 22487
Yes, sorry about that. I meant 1.325 to 1.375 range.
post #20950 of 22487
Quote:
Originally Posted by Louie7600 View Post

Yes, sorry about that. I meant 1.325 to 1.375 range.
I would say that's perfectly fine. At the 1.375v end of the spectrum you may shorten the life of your CPU slightly but by that time it's probably a good time to upgrade to something better and faster.
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CoolingCoolingCoolingCooling
EK-FC Titan X Pascal - Acetal+Nickel [383110983... EK-FC Titan X Pascal Backplate - Black [3831109... Swiftech MCP655 Series 12 VDC D5 Water Pumps - ... Noctua SSO Bearing Fan Retail Cooling NF-P14s r... 
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