XMP profile problem

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DukiNuki

DukiNuki

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Aug 21, 2011
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hey guys

here's my system

i7 6700K 4.0 ( 4.2 Ghz Turbo Speed )
MSI Z170A TOMAHAWK AC
GSkill TridentZ 2x8GB DDR4 3200mhz CL 16
no GPU yet

everything runs fine when XMP is off but when i turn it on ( 3200mhz ) , i get visual glitches in games or the windows it self and theres a red light next to my ram slots ( indicating that xmp is on i guess ) and it turns off when xmp is off .

http://www.newegg.com/Product/Product.aspx?Item=N82E16813130876

it says

DDR4 3600(OC)/ 3200(OC)/ 3000(OC)/ 2800(OC)/ 2600(OC)/ 2400/ 2133

meaning that i have to OC my CPU to get that 3200 running ? or maybe my sticks are damaged or ... ? any idea ?


UPDATE : fixed it , just enter the values manually , X.M.P does not always work as it should . here's a quick tutorial :

https://www.youtube.com/watch?v=w4sx-GuY3CA
 
Solution
Tradesman1
The mobos, based on their chipset are 'capable' of handling most any DRAM. The defining factor in what you can run is the MC (memory controller) within the CPU. ON the mobo web page it identifies DRAM over and above base spec 2133/2400 generally with an "(OC)" indicator whih indicates you may need an OC of the MC and/or CPU itself. Generally speaking most 6700Ks (but not all can handle up to about 2800 with no OC, some higher. Beyond that you often need to OC the CPU
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DukiNuki

DukiNuki

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but the cpu is already 4.0 - 4.2 ghz , isn't that enough ? i even checked G Skill's site for compatibility and i found the ram sticks in the motherboards support list in that site , cant see why it would cause problems ?!

is it possible that CPU or Rams or mobo it self is damaged ? i ran passmark and it gave me the expected good scores . im even running the rams on DIMM 2 and 4 as suggested by motherboard's installation guide
 
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Tradesman1

Tradesman1

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Jun 5, 2013
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The mobos, based on their chipset are 'capable' of handling most any DRAM. The defining factor in what you can run is the MC (memory controller) within the CPU. ON the mobo web page it identifies DRAM over and above base spec 2133/2400 generally with an "(OC)" indicator whih indicates you may need an OC of the MC and/or CPU itself. Generally speaking most 6700Ks (but not all can handle up to about 2800 with no OC, some higher. Beyond that you often need to OC the CPU
 
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Solution
DukiNuki

DukiNuki

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Aug 21, 2011
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some i7 6700K ? we have different kinds of i7 6700K s ? i dont get it

i was reading some motherboards review site and people were talking about how easy their XMP just worked , 3200 just started working after XMP smooth and stable , i don't get why i cant get it to work i thought 4.2ghz is plenty enough for xmp to work . so what i just wasted my money on these 3200mhz ? max i can get is 2400 .

if i knew it woudnt be that easy i would never consider 3200hz sticks . fallout and arma 3 are one ram hungry games . i bought them for these games :(

 
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Tradesman1

Tradesman1

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With higher end DRAM yes, each say 6700K is an individual item - yes, made to same specs but still all are different, my 6600K can easily run 2 sticks of 16GB 3200 DRAM at stock, have other 6600Ks in my rig (no changes and best they could do was 2666 or 2800 or 3000. They are all indivial pieces - DRAM is the same - cna take three identical sets - 1 02 may easily OC up 2 steps, say from 2400 to 2800, the third set might not even be capable of OCing beyond 2400 at all
 
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DukiNuki

DukiNuki

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:D just updated it , visual glitches are still present but happen less often . do you think these visual glitches might be related to lack of a graphic card ? instability usually comes with random restarts and fails but visual glitches ? i donno how the hell they connect to unstable ram . how much overclocking will it take to make it stable ?

and finally , do you think its the Motherboard or CPU ?
 
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Tradesman1

Tradesman1

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OK - actually it could be a lot of things - but you say things are fine with no XMP - so lets stay on track with the DRAM (because XMP appears to be in part at least the source of the problem) so, next step will be to hop into the BIOS, with XMP on, believe DRAM voltage will be at 1.35, let's take it up to 1.4 (yes, perfectly safe ;) ) and give it a try at 1.4

PS I'm hitting the hay, got to grab some sleep - only got about 3 hours early thirty this AM was working on a report for a client, will be back in relative early AM tomorrow
 
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DukiNuki

DukiNuki

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heyyy good news , i ignored the xmp and just entered the values manually , it worked :D . fast and stable . and also things got abit quicker . and since i'm still on integrated graphics , i get better frames in game . thanks alot


unrelated : only if i knew why my monitor wont automatically turn on or wake up from sleep . every time i turn on the computer i have to manually turn it off and turn it on . because it wont go from orange ( standby ) to blue ( on ) by it self . dont wanna send it back because everything else seems to work just fine . wish there was a fix for this one too
 
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DukiNuki

DukiNuki

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Aug 21, 2011
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ya ill try to c what i can do about that , one weird sign of it is , before it goes into sleep mode , the screen turns blue and says no hdmi signal then sleeps . meaning its not a smooth turn to sleep and wake up either .
 
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DukiNuki

DukiNuki

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update : the rams are lot more stable than before but i can see a very tiny artifacts once in awhile , no biggie but still . should i raise the ram voltage a bit ? 1.35 to 1.36 :D

when XMP is unstable , is it generally due to defective hardware or the whole XMP being a Coin Toss ? i once tried xmp on my 1333 and the system was super stable on 1600 mhz , and it was 6870 HD + i5 3470 . i thought wow it would be super easy for i7 6700K for handle something that is advertised ( Designed to work at that frequency ) . i read people getting a better board just to make the xmp stable but still they couldn't get it to work .

Monitor problem is also solved , faulty HDMI cable .
 
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Tradesman1

Tradesman1

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Jun 5, 2013
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Try 1.375, as far as XMP, this has been problematic since about day 1 with the Z170 line - at it's release you basically had DDR4 and much of it was lower end and quasi to JEDEC standards, but as with DDR3, the DRAM manufacturers have long since left the old outdated JEDEC standards behind and are coonstantly raising the bar (data rates, tighter timings, etc) as they do the mobo makers are in a scramble to get their BIOS updated for the new and varied configs being assigned to XMP profiles. Here for example the voltage increase may cure all woes, next BIOS update that comes out may eliminate the problem and can drop back to 1.35 and be stable as a rock ;)
 
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