Memory related BSOD:s

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PatKane88

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Sep 14, 2015
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Hello, in summer i updated my bios of gigabyte mobo and since that my pc was never the same. I have had tons of different bluesqreens since. Well i with little help i did all kind of different things including reinstalling windows many times, changing mobo which i thought was the main issue and also just recently changed ram because old ram gave lots of errors in memtest 86. My new ram doesnt give any errors in memtest while running it more than 10 passes. But i am still getting memory related bsod:s sometimes like one in 3 days for example: page fault in non paged area, irql not less or equal. All of the bsods are caused by ntoskrnl.exe, which i have read to be memory related? Since i am now running with new mobo and memory i assume that my cpu is the issue? So is my cpu broken?

Setup i am currently running is:

Operating System
Windows 10 Enterprise 64-bit
CPU
Intel Core i7 4790K @ 4.00GHz
Haswell 22nm Technology
RAM
G.SKILL SNIPER 8,00GB Dual-Channel DDR3 @ 933MHz (9-10-9-28)
Motherboard
MSI Z97 GAMING 5 (MS-7917) (SOCKET 0) (with latest ami bios version)
Graphics
NVIDIA GeForce GTX 970 (MSI)
Storage
238GB Crucial_CT256MX100SSD1 (SSD)
595GB Microsoft Storage Space Device (SATA)

 
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PatKane88

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Sep 14, 2015
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Yes and i have completely different mobo now, since i thought that gigabyte mobo was causing the issue and i am now using msi mobo and i have all of the drivers downloaded from msi website. So i am getting same results (bsods) with new ram and mobo so should i think the cpu is guilty for something? I also cant run my cpu with optimized defaults and i have set voltages manually and been able to run this setup more stable. While turbo-boost enabled i get bsod in just few minutes but while disabled i have runned more than 7 hours without bsod occuring.
 
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PatKane88

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Sep 14, 2015
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My pc also freezes or bluesqreens while running intel burn test or prime 95 test. PC temperatures are also fine, i have antec kuhler 650 in rear of the case with extra 120mm fan and 3 140mm fans in case, two in front blowing air in site of the case and one in roof blowing air out side. cpu temps are 32 C in idle and in gaming for example max 52 C. But i still think there is something wrong with the cpu.
 
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PatKane88

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Sep 14, 2015
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Hello, i did the memtest again, i did it last time when i got the new ram few weeks ago i got no errors, this time after running it 2 hours i already got 150 errors, again as with the previous ram (corsair vengeange) that had errors all of the errors where in test 13 (hammer test). So is my luck just really bad? I have taken great caution while changing parts and building pc and i am not complete noobie in such and i dont think i have caused any harm to the ram. Should i be worried that there is issue with the mobo since these are the second set of ram that gets errors in same system. Dont really know what i should do, if i buy new ram or rma the old one and get a new set i fear it still wont fix this issue. Can my system some how damage the ram or do i have just bad luck?

EDIT: Also got this kind of bsod today

crash dump file: C:\WINDOWS\Minidump\091615-4406-01.dmp
This was probably caused by the following module: hal.dll (hal+0x3594F)
Bugcheck code: 0x124 (0x0, 0xFFFFE0018235A028, 0xBE000000, 0x800400)
Error: WHEA_UNCORRECTABLE_ERROR
file path: C:\WINDOWS\system32\hal.dll
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: Hardware Abstraction Layer DLL
Bug check description: This bug check indicates that a fatal hardware error has occurred. This bug check uses the error data that is provided by the Windows Hardware Error Architecture (WHEA).
This is likely to be caused by a hardware problem problem. This problem might be caused by a thermal issue.
The crash took place in a standard Microsoft module. Your system configuration may be incorrect. Possibly this problem is caused by another driver on your system that cannot be identified at this time.

 
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PatKane88

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Sep 14, 2015
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I can run system quite stable with vcore voltage set to 1.150 (optimized defaults sets vcore to 1.080) and vrin voltage set to 2.000 (1.850 in optimized defaults) also running turbo boost off. System crashes with these manual settings only random times while gaming. If i use optimized defaults crash is almost instant (within 10 minutes usual in anykind of use). So should i try to find optimal voltages to set? I read this post which gave me some hope solving this problem http://www.tomshardware.co.uk/answers/id-2207989/4790k-crashes-turbo-boost-default-settings.html

EDIT: I accidentaly selected ur previous post as best solution...
 
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PatKane88

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Sep 14, 2015
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I have now been running without any issues for about week. I raised core voltage to 1.25 what should be perfectly fine. My older mobo with old bios runned the pc with vcore set to 1.47 so i think 1.080 what optimized defaults setting with this mobo are too low. So core voltage was too low that was the issue. I also think the ram can be still used in the system since its works without issues in everyday use so i dont really care about memtest test 13 (hammer test) errors. I am not sure if i am clear yet but i am now sure it has something to do with voltages, so if there is new crashing i think i have the tools/knowledge to fix them.
 
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PatKane88

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Sep 14, 2015
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The system is still running stable, no bluesqreen what so ever. I have been thinking since the corsair ram should be fine too (works fine in my friends system) and the errors in memtest86 where probably caused by the too low cpu core voltages i could try if the memory would work fine with the g.skill ones. I know there might be issues with mixing even same type of ram but i could least give it a try.

So these two sets of memory are both running with same voltages and clock frequency, but the timings are little bit different so i understand that i shouldnt maybe use the xmp. profile switch to set up the ram since the both sets have little bit different settings. How should i set the ram to run in the bios manually? These are the two sets:

Corsair: http://www.corsair.com/en-us/vengeance-8gb-dual-channel-ddr3-memory-kit-cmz8gx3m2a1866c9
Having 9-10-9-27 timings
G.skill: http://www.gskill.com/en/product/f3-14900cl9d-8gbsr
Having 9-10-9-28 timings

I could also just sell the other set online and by samekind of set or use the money for something else, but i would like to try this first. And thanks tradesman1 for all your help so far, i really believe the wrong cpu voltages where the issue after all.
 
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PatKane88

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Sep 14, 2015
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I have been busy lately, I finally tried to put corsair memory in the system. I did put the xmp. profile from the bios on. Speccy is saing that the g.skill snipers are now running with 800 mhz and corsair 667 mhz even though dram frequency sais 933. Is there any way to set these both sets running in 933 (1866)mhz? Should i disable the xmp profile and set the ram timings manually in bios.

Some lines from speccy:

Type DDR3
Size 16384 MBytes
Channels # Dual
DRAM Frequency 933,5 MHz
CAS# Latency (CL) 9 clocks
RAS# to CAS# Delay (tRCD) 10 clocks
RAS# Precharge (tRP) 9 clocks
Cycle Time (tRAS) 28 clocks
Command Rate (CR) 2T

Slot #1
Type DDR3
Size 4096 MBytes
Manufacturer Corsair
Max Bandwidth PC3-10700 (667 MHz)
Part Number CMZ8GX3M2A1866C9
SPD Ext. XMP
Slot #2
Type DDR3
Size 4096 MBytes
Manufacturer G.Skill
Max Bandwidth PC3-12800 (800 MHz)
Part Number F3-14900CL9-4GBSR
SPD Ext. XMP

Slot #3
Type DDR3
Size 4096 MBytes
Manufacturer Corsair
Max Bandwidth PC3-10700 (667 MHz)
Part Number CMZ8GX3M2A1866C9
SPD Ext. XMP

Slot #4
Type DDR3
Size 4096 MBytes
Manufacturer G.Skill
Max Bandwidth PC3-12800 (800 MHz)
Part Number F3-14900CL9-4GBSR
SPD Ext. XMP

Note in this msi board the slot 2 and 4 are used when using 2 ram sticks in dual channel


EDIT: I also have no idea how stable the system is when using both sets, since i have runned with them only half an hour.
 
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PatKane88

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Sep 14, 2015
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Okey i tried to set the timings manually at bios but it somehow buts the timing automatically very high like 13-13-13-13-36 or something so i have been using the xmp.profile and doesnt mess the timings the same way. System seems to be stable no issues what so ever.

I also learned that 1.25 core voltage is what should be in most of the mobos with new bios version, so its obvious that 1.080 is too low, but that issue is solved now.
 
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