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Z97 Gaming 5 RAM Issues

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#1
Hello guys,

i7-4790K
Z97 GAMING 5
G.Skill TridentX DDR3 2133 PC3-17000 16GB 2x8GB CL9
G.Skill TridentX DDR3 2133 PC3-17000 16GB 2x8GB CL9
Gigabyte gtx970 gaming G1
Cooler Master Hyper 212 EVO
Cooler Master G750M

I had 16gb and a week ago I decided to buy 16gb more.

I can put 24gb but when I try to put the 4th stick the PC sometimes restart repetly or try to start and blue screen death appears with errors like : DRIVE IRQ NOT LESS OR EQUAL or SYSTEM THREAD EXCEPTION NOT HANDLED... each time a different errorr.

I have done a memtest to each ram in each stick. All ok.
I can put 3 rams in slots 1 2 3 or 1 2 4 so the memory and the slots are ok.

I've formatted with w7 pro & w10pro but same problem.

I had a wifislax cd live and I can run it with 32gb.

I've updated bios, cleared CMOS and updated all drivers (mothersip, graphic...)

I tried like 15 hours to try to put 1 ram then 2 then 3 then 4 in all different situations, sticks, posibilities.Changing ram frequency, voltage, 9-9-9-24 to different numbers...

I dont know what I can do more... I'm so desperate. Why i can run it perfectly with 24gb and not 32gb?

Pls any help will be so grateful

Regards
 
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#2
Are you on the newest BIOS (1.D)? Your board does support 32GB of memory at that speed so I don't know.
 
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#3
So you're saying all 4 sticks and all 4 banks are good ? I'd try to bump IMC voltage - vcssa (system agent).
 
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#4
I have a MSI Z97 gaming 5 too (MS-7917). I see you flashed your bios already (for some reason i couldn't flash anything above 1.11). WHy noy play with the XMP switch to see if it makes any difference.

edit : according with https://fr.msi.com/Motherboard/support/Z97-GAMING-5.html#support-mem , the only G.skill PC17000 DDR3 modules tested to work in either 1,2 or 4 banks are the following :G.SkillF3-17000CL9Q-16GBZH (which comes only as 4GB sticks each)
 
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#5
Trouble is technically as you add more sticks your suppose to drop back on clock speed/timings for the additional strain/load on the IMC with four sticks. So if you were pushing two sticks already overclocked to 2133 MHz, have you tried dropping back to 1866 MHz? Also voltage supplied to the four sticks might need bumping in the mobos uEFI.

I tried messing with four sticks on my Asus Z97 board, two 8GB sticks, and two 4GB sticks. This Asus board wouldn't POST and I never bothered trying it at 1866 MHz because I preferred running the two 8GB sticks @ 2133 MHz.
 
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#6
So you're saying all 4 sticks and all 4 banks are good ? I'd try to bump IMC voltage - vcssa (system agent).
This. More modules... needs SA voltage bump. Try adding .1V to whatever value its currently at (check in bios).
 
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#8
vccsa can go to 1.15v-1.20v easily if need be
 
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#9
Also drop them manually to 1866 if needed for testing. My board (specs) will do all banks at 2133mhz OC easily so not sure why you're getting such a bad time.
 
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#10
He doesnt need to drop anything...sort of. Reset bios defaults and have it boot to jedec...which is 1600 or 1866 (the sort of part, lol). Then add SA or IO or both... id do SA by itself first. Boot and see if it works. If it does, great... then enable xmp and see if it works.
 
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#11

I hope they come back.
 
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#12
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#13
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#14
Hello guys,

I wasn't scared hehe. I had too much work.

I'm so frustrated. I didnt change any value in bios and now I can't set 2 RAMS!

When I try to put more than 1 stick the pc doesn't boot.

I restarted default values I did some photos. Maybe you can help me.

I dont know about OC and dont know exactly what SA values I should put more voltage or If I can damage the pc.

I have CPU SA/IOA/IOD voltage mode "manual mode" by default. I can change to offset mode. I have both screens


https://imgur.com/a/USBJu

Regards.
 

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#15
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#16
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#17
Also, is the 4970k overclocked?
I dont have anything OC. All hardware by default.

Might have to try different RAM. Also, check your CPU socket for bent pins.
If I can boot with 1 stick of 8GB without any problem.

I dont know about hardware. I'm just wondering Why should affect bent pints when only trying to put more RAM.

I've been almost 3 years with 16GB without any problem, but when I tried to put 32GB I had this problem, and now after like 10 hours trying to change sticks in different slots, etc.... I have the new problem...
 
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#18
Remove the battery for 60 seconds, dont use the reset in the BIOS. Also check and make sure you didnt damage the memory stick sockets with all that stick swapping. o_O

EDIT:Learn to edit posts, double posting is a no-no. The problem with with not buying 4 sticks as a set is exactly why we have these kind of issues, especially if not on QVL.
 
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#19
Remove the battery for 60 seconds, dont use the reset in the BIOS. Also check and make sure you didnt damage the memory stick sockets with all that stick swapping. o_O

EDIT:Learn to edit posts, double posting is a no-no. The problem with with not buying 4 sticks as a set is exactly why we have these kind of issues, especially if not on QVL.
I did the reset by touching the "jumps" at the mobo with a screwdriver. I'll try removing battery.

Uploaded more photos of my hw.

https://imgur.com/a/rrOHS
 
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#22
leave the bat in, just unplug the power cord and hit the power button to drain any juice left in the system. then jump the pins to clear the cmos and try it then with all 4 sticks in.
 
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#23
leave the bat in, just unplug the power cord and hit the power button to drain any juice left in the system. then jump the pins to clear the cmos and try it then with all 4 sticks in.
Sorry I dont understand the "leave the bat in" ? what do you mean?

My English is not good. I'm sorry

How Can I hit the power button and start the PC with the power cord unplugged? You mean the cable of the cooler master 750M right?

I'm sorry. I'm new :(
 

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#25
put two sticks of ram in increase the VVCIO to about 1.1v(total)
shutdown
put the other two sticks in
profit

thats all you need todo