G.Skill Trident X 2400 conflict with Maximus Formula VII?

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EcthelionH

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Jun 1, 2016
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Greetings friends, I have recently upgraded my PC with a G.Skill Trident X 2x8 Gb 2400 MHz memory RAM. I have read that this RAM should work just fine with my MoBo which is a Asus Maximus Formula VII (and Intel i7 4790K), but since the begining I am struggling to activate the XMP profile from the UEFI BIOS of the MoBo. Sometimes when I reboot the PC, everything is ok and the XMP profile es loaded, the frequency, latency timings and voltage being ok, but almost 1 time over 2 the XMP profile is not listed as an option in the BIOS and the RAM details are not shown. When that happens my mouse pointer doesnt move properly in the UEFI, like if there was some kind of lag. Additionnaly, when this happens and my SO is loaded (windows 7 SP 1), if I go to the SPD tab on CPU-Z, all the slots are blank, as if the RAM was not recognized, even if in the memory tab everything is ok.
I have been trying to determine where is the problem, I have re-plug my old RAM (Corsair Vengence 2x4 GB 1600 MHz) and everything looks fine, so I am guessing that there is some kind of compatibility problem between the MoBo and the RAM, but I have not found a single reference to this issue on the internet.
Could you give me some advice? thank you in advance.

Edit: I should also say that the RAM are installed on the red slots of my MoBo (A2 and B2).
 
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EcthelionH

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Jun 1, 2016
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Thank you for answering. Can you think about a test I could do in order to verify that the RAM is indeed defective? in that case I will just simply send it back.
 
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EcthelionH

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Jun 1, 2016
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BIOS is updated to the latest version, yes. The i7 4790K CPU core frequency is OC to 4.4 GHz using Intel Extreme Tuning Utility. Should I also OC the cache?
 
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EcthelionH

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Jun 1, 2016
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I have also tried to use only 1 memory card at a time, so I had 8 Gb total, and the problem persists for both. What is the chance for the kit to be composed of two defective cards?
 
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EcthelionH

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Jun 1, 2016
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Greetings, after testing everything I could think about, I decided to RMA the RAM. Today I received a new set, but after installing it the problem persists. Since I am short of ideas and that nobody seems to have figured what is happening, I think I will just sent this memory set back and change by the equivalent Corsair Vengeance. I will still be reading suggestions from the forum for the next couple of days though. Thank you again.
 
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junkeymonkey

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Nov 11, 2013
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''Since I am short of ideas and that nobody seems to have figured what is happening'

well in ''my'' opinion its asus first then just skylake overall I showed how many asus users suffer from this [not to say it don't happen with other brands ] just seems asus has about 10x more reported in??? like I said to that last guy with asus an memory issues [skylake] my ''last'' 3 asus were my last [and not to say with any brand you couldstill get a lemon ,but....]

http://www.tomshardware.com/answers/id-3077260/asus-z170-ram-cpu-working-wont-boot.html


sorry, and good luck


 
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Tradesman1

Tradesman1

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Jun 5, 2013
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_______________

Helps to look at what is used, Formula VII is 1150 (Z97) not Skylake, Trident X is also a clue as it's DDR3 ;) Wait a minute, a Mod actually helped you! ;)
 
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junkeymonkey

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Nov 11, 2013
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I see what it is-- asus maybe all that crazy shielding is blocking things ?? what is all that for anyway ?? hype ? heat trapper ? dust collector ?? what??

see what I mean about asus all hype and low quality ?? sems to me that need to concentrate on working stable motherboard not fancy useless plastic does nothing but be in the way of everything covers ? i'll bet its a dust removal nightmare

I guess looks mean nothing right now just give a stable working board and solid support not silly covers to hide it
 
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Tradesman1

Tradesman1

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Jun 5, 2013
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The design of the 'Armor' is for mobo heat dissipation. The Formula is positioned as a higher end enthusiast based mobo intended more towards WS type use. And is well regarded for it's intended purpose - it's also (while not a member of the ROG family) very well regarded as a gaming and GP use mobo line. They are very stable mobos in use of any of the three scenarios. Who knows, the mobo you complain about may have just been a stinker, or possibly you just were having problems setting it up, maybe?

I will say, it can be a dust catcher, and being in AZ I don't build a lot of them for that reason, most people seldom get around to blowing out the dust in rigs
 
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junkeymonkey

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tow things I'd check is if using a aftermarket cooler especially if one with a back support plate that is mounted properly at times is too tight or tightened unevenly can cause issues like this , can ''warp or pull on the socket area or the back plate support is incorrect or touching something on the back and maybe shorting ?'' then in checking on that may as well pull the cpu out to see id you may of got bent pins during the install and latching down of the chip that's another common thing that can occur and cause memory issues after that you seem to tried what you could and tried different ram so ?? one more thing to add is stand offs and that you did not over tighten them and cause a stress crack that may of got in to a trace or a short with one of then ??? before I do a rma unless it store or amazon for a refund/ exchange I pull it all down and out of the case and start over looking things over carefully for something you may of missed ??

I did see that board has been out of stock or maybe discontinued so no telling what asus would do on rma if not available to exchange for a referb

you know with intel and with a ''k'' chip it should be as easy as plug and play with just a quick xmp setting to be good to go

anyway cooler mounting and check bent pins in the socket one of my last 3 asus was chocked full of memory issues did get it stable with only one stick at default after 18 bios updates and that's was it after lots of money and time invested all failed memory in the asus works great in other brands boards first boot

good luck
 
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EcthelionH

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Jun 1, 2016
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So you think it is possible that the problem comes from the mobo, even if it works fine with my precedent Corsair Vengeance 1600 MHz 2x4 Gb RAM kit? Something I noticed is that the XMP version of the Vengeance is 1.2, while the Trident X is 1.3. Could it be that this mobo model doesnt support well XMP 1.3?

BTW, here are some pictures. The first two were taken when the RAM sticks were detected and recognized in the bios (first is in advanced UEFI, second in easy UEFI), and the last two were taken a moment later when I saved the changes in bios, restarted the computer and comeback to the bios again. We can clearly see that in the first two, the RAM model is detected and XMP profiles are enabled, while in the last two the sticks are not detected and the XMP profiles are not enable. When this happens, there is some kind of lag when I move the mouse, while the RAM value, speed and timings are still there unchanged.

xyD6Y0A.jpg

eXPB34h.jpg

EZKOD6M.jpg

MGho5iQ.jpg
 
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gskill support

gskill support

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There is no compatibility issue. Do a quick search on the net and you will find many people with the exact same combination and working great. It is one of the best Z97 combos.

You are 4 BIOS/EFI versions behind, so you should update that first to see if that solves the issue.

For everyone's reference, to determine if it is a RAM problem, test one module at a time to see if a module performs differently than the other. If both modules cause the same exact problem, it is unlikely a problem with RAM.

This may seem so simple and basic that people think it's useless. But to be frank it's the most effective troubleshooting method when experiencing system instability, especially if potentially related to RAM.


 
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EcthelionH

Commendable
Jun 1, 2016
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1,510
Thank you for your answer. The pictures are from the first day I tested the RAM. Since then I have updated the BIOS, but the problem persists. Also, as I previously said, I have also tested one module at a time with the same results. Even when I received the new kit (exactly same model), the same behaviour is reproduced, so I have discarded that the problem comes from the RAM. I do also know that this particular combination of RAM and mobo is great, based on the reviews on the internet, and that is why I cannot understand what is happening :/
 
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Mr Kagouris

Mr Kagouris

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Sep 7, 2015
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Since your old RAM works fine, even a new kit of Trident X had issues, and this is a known good combo (mobo with this RAM), the only suspect left is unfortunately the CPU. It may be that the CPU's memory controller is for whatever reason having issues running the Trident X memory.

If you still have any of the Trident X RAM, try raising the VCCIO voltage by a bit, see if it improves stability.
 
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