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z170m Pro4S P7.00 Bios
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ReclusiveOrc View Drop Down
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    Posted: 18 Oct 2016 at 12:17pm
I just flashed my Bios to the new P7.00 version. Now my DDR4 will not run at 3000. I have XMP selected and even went into the ram tweaker page to select all of the 3000 speed settings for manual values. Still no luck and the new Bios seems to ignore the XMP profile. Ram stays at 2133Mhz. I had no issues with runnung the ram at 3000Mhz with P2.90 Bios. I have 4x8gig of Corsair CMK16GX4M2B3000c15.

Edited by ReclusiveOrc - 18 Oct 2016 at 12:21pm
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J Z View Drop Down
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Hello,

You're right.
It forwarded to the BIOS department.






Edited by J Z - 18 Oct 2016 at 10:13pm
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parsec View Drop Down
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Points: 4996 		Post Options Post Options   Thanks (0) Thanks(0)   Quote parsec Quote  Post ReplyReply Direct Link To This Post Posted: 18 Oct 2016 at 11:24pm
Originally posted by ReclusiveOrc ReclusiveOrc wrote:

I just flashed my Bios to the new P7.00 version. Now my DDR4 will not run at 3000. I have XMP selected and even went into the ram tweaker page to select all of the 3000 speed settings for manual values. Still no luck and the new Bios seems to ignore the XMP profile. Ram stays at 2133Mhz. I had no issues with runnung the ram at 3000Mhz with P2.90 Bios. I have 4x8gig of Corsair CMK16GX4M2B3000c15.


If that is your video, I noticed the CPU Cache clock is set to 4100MHz, while the CPU clock is set to 4000MHz.

That's an OC, but the Cache clock should not be higher than the CPU clock. Is that an OC you did yourself?

The 7.00 UEFI's purpose is to add support for the new Kaby Lake processors. The new CPU microcode in that update may be affecting the ability to OC your memory.

You were lucky to get four 8GB DIMMs working at 3000, since your board's Memory Support List does not show any DDR4 3000 memory compatible with more than two DIMMs in use. Also, the memory model number you included is a 16GB memory kit, so you must be using two unmatched kits of that memory, is that right? Check the Memory Support list:

http://www.asrock.com/mb/Intel/Z170M%20Pro4S/
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J Z View Drop Down
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Hello parcec,

Make all ASRock Z170 boards with i7-6700K at XMP PC3000, has nothing to do with the problem.

New Microcode 3A is by Skylake not activ ;)



Edited by J Z - 19 Oct 2016 at 3:42pm
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ReclusiveOrc View Drop Down
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Not my video but it does show the issue and the new boot failure message that i am getting. I am running the same 2 identical corsair 16gb kits like in the other poster's video. The only change from running 3000Mhz yesterday to being stuck at 2133Mhz today is the Bios flash.

Edited by ReclusiveOrc - 19 Oct 2016 at 4:01am
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I already have email contact with ASRock Technical Support Department.
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ReclusiveOrc View Drop Down
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I wonder is this XMP issue is only with this model or if all the Kaybe Lake bios updates are affected.
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Originally posted by ReclusiveOrc ReclusiveOrc wrote:

I wonder is this XMP issue is only with this model or if all the Kaybe Lake bios updates are affected.
Outside of voltages being out of whack, my RAM OC is still stable on my Extreme4+ 7.0 update. Your problem is probably a board / kit specific one.


Edited by Imakuni - 20 Oct 2016 at 8:18am
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