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RAM speed wont run 3200 MHZ
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SantoPaps View Drop Down
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    Posted: 02 Feb 2018 at 12:54am
I have a 16 gb 2x8 kit Corsair Vengeance 3200mhz CMU16GX4M2C3200C16 running on the Z370 Taichi. it auto detects it at 2133 mhz. if i turn the XMP switch on, it goes to 3200 mhz but its not stable at all. am i doing anything wrong? please help
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Animalm4st3r View Drop Down
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Propably voltage to high
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SantoPaps View Drop Down
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where do i set the voltage? my ram is a 1.35 volts i have set it at 1.35 volts auto from xmp. should i lower the voltage?

Edited by SantoPaps - 02 Feb 2018 at 2:53am
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Animalm4st3r View Drop Down
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Quoting out of another Thread here:
Originally posted by Flode Flode wrote:

Hello and sorry me again,

i found out the the xmp profile on the 1.3 bios for extreme 4 board has set
vccio and vccsa way to high. was set to 1.2 and 1.25 by default xmp.

For me this was the reason why the system could not boot into windows and was unstable.

I have now set xmp profile for my ram (3200) and then manually lowered

vccio to 1.1V and vccsa to 1.15. Not the system is rock stable again ram running finally with xmp speeds corretly.

Maybe this is helping one or another of you guys.

Best regards

flode
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SantoPaps View Drop Down
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Originally posted by Animalm4st3r Animalm4st3r wrote:

Quoting out of another Thread here:
Originally posted by Flode Flode wrote:

Hello and sorry me again,

i found out the the xmp profile on the 1.3 bios for extreme 4 board has set
vccio and vccsa way to high. was set to 1.2 and 1.25 by default xmp.

For me this was the reason why the system could not boot into windows and was unstable.

I have now set xmp profile for my ram (3200) and then manually lowered

vccio to 1.1V and vccsa to 1.15. Not the system is rock stable again ram running finally with xmp speeds corretly.

Maybe this is helping one or another of you guys.

Best regards

flode

trying that now. 

will post the results
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SantoPaps View Drop Down
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vccio is set at  0.9V and vccsa to 0.95. and dram voltage at 1.25V 

lets see how it does
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SantoPaps View Drop Down
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nothing works... switched on xmp switch set everything to auto and stable mode. still restarting. setting lower voltage didnt work..... is it ram QVL incompatibilty?
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Animalm4st3r View Drop Down
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could be just check it.
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SantoPaps View Drop Down
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ordered new set of qvl listed ram

will update


Edited by SantoPaps - 03 Feb 2018 at 4:26am
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Yzerman19 View Drop Down
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Points: 11 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Yzerman19 Quote  Post ReplyReply Direct Link To This Post Posted: 06 Feb 2018 at 2:50am
I had the same issue on my z370 Taichi. My 3000mhz corsair vengeance ram would not boot with the xmp profile, or past 2800mhz when i set my timings/voltages manually. It turns out when you use two sticks of ram it really does matter what slots you use. At first I had mine occupying the a1 and b1 slots. I decided to move them over into the a2 and b2 slots (the ones people recommend to use when only using 2 sticks) and now I am able to run them stably at 3200mhz. Not sure if this relates to your issue but thought I would share. Good luck!

Edited by Yzerman19 - 06 Feb 2018 at 2:50am
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