BSOD "Memory Management" after adding an identical set of DDR3 sticks

user2015 · Sep 23, 2015

Hi,

I'm having a problem with a new pair of DDR3 sticks:
- Win7 x64 Ultimate
- motherboard MSI Z87 Gaming
- old sticks Crucial Ballistix Tactical Low Profile 16GB Kit (8GBx2) DDR3-1600 PC3-12800 UDIMM RAM BLT2K8G3D1608ET3LX0

Was using them for a couple of years, no problems at all, even under heavy RAM use (100% RAM utilisation). Decided to upgrade RAM and bought an additional set of 8GBx2 sticks of the same model (BLT2K8G3D1608ET3LX0). Installed, flashed BIOS for the latest version... and getting constant BSOD after 2-3 min of use.
- Memtest 5.1+ passed without errors, Win Memory Diag tool also shows no errors.
- Tried using different XMP profiles, no profiles (all auto), etc - same 2-3 min after Windows boots and BSOD
- Sticks are set in 1-3, 2-4 slots (old set, new set)

Kind of stuck here, would appreciate your help
Thanks!

The Recchi · Sep 23, 2015

Maybe you screwed something up when flashing your BIOS? Not enough voltage? Slots are dusty/have something in them and sticks aren't making full contact?

user2015 · Sep 23, 2015

The Recchi :

- Flashed BIOS one more time
- Voltage is per specs (1.35v)
- I thought about dust affecting performance and I removed all the dust prior to installing new hardware

The Recchi · Sep 23, 2015

And what happens if you remove the new sticks? Does it work as it used to?

user2015 · Sep 23, 2015

The Recchi :

Great point. Let me check that

user2015 · Sep 28, 2015

Ok... Some update on the issue (caught a BSOD while updating BIOS, so needed some time to take mobo to service)
- If I remove both new sticks, everything is working fine, no resets, no BSOD
- If I remove just one stick (either of them), still receiving BSOD with 100% probability
- Tried setting 1333 Mhz speed, it worked fine for an hour, then started resetting every 5 min again... so no help here

I'll take the sticks back to the shop, and get a new pair... maybe more luck with a new set

The Recchi · Sep 28, 2015

user2015 :

Yep, I'd suggest that.

user2015 · Sep 29, 2015

New memory sticks, but same old BSOD
- 100% chance of a BSOD
- Instead of a "memory management" error, now PC just freezes
- ... or crashes with "This was probably caused by the following module: dxgmms1.sys (dxgmms1+0x32FD4)
Bugcheck code: 0x1000007E (0xFFFFFFFFC0000005, 0xFFFFF880105DDFD4, 0xFFFFF880040D2758, 0xFFFFF880040D1FB0)
Error: SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M"

If I take the new sticks out and leave just the old ones - ok, no problems, all is working....

Really stuck here...

user2015 · Sep 29, 2015

Accordin to WhoCrashed:
Bug check description: This indicates that a system thread generated an exception which the error handler did not catch.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
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.

Tradesman1 · Sep 29, 2015

Mixing DRAM isn't a good idea in the first place, see my article , the Fiction part, item 2, here:

http://www.tomshardware.com/answers/id-2741495/ddr3-faqs-fiction.html

With that said an try raising the DRAM voltage and the MC(memory controller) voltage each up + 0.05 and see if that helps, if not may just have sticks that don't want to play, happens all the time

user2015 · Sep 29, 2015

Tradesman1 :

Will definitely try the voltage trick.
The problem is that I have an identical set of sticks - exactly the same part number (bar code)... and it's the second pair of 16gb (8x2) kit that leads to exactly the same issues... feels like I am either missing something or it is a faulty motherboard....

Tradesman1 · Sep 29, 2015

When you can take sticks right off the assembly line and they won't play - well that sort of explains it. DRAM manufacturers take the sticks and test them to ensure those that go in a package will play nice. Thats why a 4 stick package generally cost more than a pair of two stick packages, it takes long (more testing) to find 4 sticks that will play nice than it does to pair up 2 sticks that play. This is a common myth (see article above) that all DDR3 is the same

user2015 · Sep 30, 2015

no luck with higher voltage. Raising the DRAM voltage still gives no effect, machine keeps freezing after 3-5 min after Win login.
Strange enough, ran memtest 5.01 under default settings for 10+ hours - not a single mistake... So how can it be that I can run memtest for 10+ hours without freezes/reboots and have 100% chance of a freeze/BSOD in Windows 7 Ultimate??

Is there anything else I could try before taking the sticks back to the store? Will prob just refund them and take the money

Tradesman1 · Sep 30, 2015

With multiple sticks memtest goes through 1 at a time checking the memory. Look for CPUVTT or DDRVTT in the BIOS and raise it + 0.06 or, it's the MC (memory controller) voltage), might help

user2015 · Oct 2, 2015

Tradesman1 :

Thanks for the advice, but no luck with the action above. Even tried switching places of the sticks, from 1-3 & 2-4 to 1-2, 3-4, 2-4 & 1-3...

Tradesman1 · Oct 2, 2015

Might simply be the sticks don't want to play, generally/often the small voltage increases will stabilize but not always

user2015 · Oct 7, 2015

A little update: I tried raising DRAM voltage all the way up to 1.5V. No change in behaviour, resets with 100% probability
Will be returning them back, looks like I'm stuck with 16gb RAM... unless I order 4*8Gb Kit

Tradesman1 · Oct 7, 2015

Sorry, but this happens all the time

BSOD "Memory Management" after adding an identical set of DDR3 sticks

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