Random BSOD's in Win 7 64bit

I recently bought some new ram *about a week ago* and since then I have been getting random BSOD's, but I'm not totally sure that its actually the ram as most of the time the PC runs just fine, mostly the BSOD's happen when I just turn on the PC from it being off *a cold start ?*.

PII 955BE @ 3.9GHz
12GB DDR3 Cas 8 1600MHz (1 set of 2 x 2GB and another set of 2 4GB all running at v1.5 8-8-8-24-2T and Auto in the Bios)
Gigabyte HD4890OC
ASRock 990FX Extreme 4
Dump File : 021013-92602-01.dmp
Crash Time : 2/10/2013 9:06:41 AM
Bug Check Code : 0x0000000a
Parameter 1 : 00000000`00000028
Parameter 2 : 00000000`00000002
Parameter 3 : 00000000`00000000
Parameter 4 : fffff800`030ca840
Caused By Driver : ntoskrnl.exe
Caused By Address : ntoskrnl.exe+705c0
File Description : NT Kernel & System
Product Name : Microsoft® Windows® Operating System
Company : Microsoft Corporation
File Version : 6.1.7600.17118 (win7_gdr.120830-0334)
Processor : x64
Crash Address : ntoskrnl.exe+705c0
Stack Address 1 :
Stack Address 2 :
Stack Address 3 :
Computer Name :
Full Path : C:\Windows\Minidump\021013-92602-01.dmp
Processors Count : 4
Major Version : 15
Minor Version : 7600
Dump File Size : 275,048

I'm going to run memtest later tonight and see what that brings up and I'm going to check my system drivers etc, I'd just like some input from the community on this issue :). I'm hoping its not my motherboard :/.
8 answers Last reply
More about random bsod 64bit
  1. if it started at the same time as your ram purchase it is safe to assume that there is a compatability issue here...
    What ram did you purchase? and is it the same brand as the other?
    Where are they installed on the mobo? I believe the larger pair should be in the first dual channel slots and the smaller in the second...
  2. They are both G.Skill sets.

    This is the new set.
    This set is either faulty or there's a conflict somewhere.

    The old set.
    This sets ran fine since I got it.

    The ECO set is in the Blue slots and the Ares are in the White slots. Not sure it matters where they go other then the color of the slots, as the manual doesn't mention anything about larger pairs in which etc.
  3. run your memtest first with all ram in. if fails pull the old pair out first since they are assumed to be good and test them in pairs...
    Edit: Also just looked at the links you gave ..there are some differences..the voltage standing out as with the timings....
    but...run the tests...
  4. It's never a good idea to mix RAM kits with different timings and voltages. Unless you need 12GB for some reason just drop the Eco and use the Ares.
  5. I have actually ran the ECO prior to this at v1.5 9-9-9-24-2T with a set of Ripjaws and they worked fine together, I'll pull the ECO for now an see how that go's, that'll atleast ultimately rule them out if another BSOD happens, but I will also run memtest on both sets.
  6. had a slightly similar problem found that if you add a little more voltage to the ram they tend to be more stable.
  7. Ya I just read that on the G.Skill forums, I'll try that out after I have tested them in memtest, atm I'm testing the Ares set alone to see if I get a BSOD doing day to day things etc. Hopefully that added voltage IS all I need, but to make sure I'm going to test them thoroughly. :)
  8. Well after having taken out the ECO ram for a few days it seems my BSOD's are gone, for the moment, going to run memtest tonight just to make sure my new set of ram is good and I'll post back if anything crops up.

    The time being it seems that the issue was most likely timing related with the 2 sets, and now that I think about it I think the ECO set did have issues in the past running at 8-8-8-24-2T, but ran fine at either 7-8-7-24-2T or 9-9-9-24-2T and the voltage didn't matter either I could run v1.35 or v1.5 on the ECO set.
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