MB and RAM issues...only stable with one stick

I have just built a new comp with a BioStar TZ77XE4 mb with i5-3570k CPU. I have 2x4gb GSkill DDR3-1333 RAM.

If I put both sticks in, it is unstable. The only way I got Win7 to load was with one stick. I can run stable with either stick in by itself but together gives me a BSOD.

Memtest86+ ran fine on both sticks of RAM.

Any ideas what to do?
6 answers Last reply
More about issues only stable stick
  1. IF you have a second pair of ram slots on the biostar board, try those. Each matching pair of slots should be color coded.
  2. o1die said:
    IF you have a second pair of ram slots on the biostar board, try those. Each matching pair of slots should be color coded.


    Tried 1/3 and 2/4. That is what the manual says about pairing them. Same problem.
  3. Then I would go into the bios and set the ram timings in manual mode, and enable all the ram settings that are disabled.
  4. o1die said:
    Then I would go into the bios and set the ram timings in manual mode, and enable all the ram settings that are disabled.


    No luck yet. Wonder if I would have any luck asking Biostar?
  5. BioStar wants me to try another CPU. They don't even say anything about compatibility. I notice on their site they list my RAM in 2GB sticks but not 4GB sticks. Should that make me worry?

    Guess I could order some off their list in 4GB sticks to see.
  6. BioStar finally got back with me and said they suspect the CPU. Of course I don't have another CPU to check it out. Is that just a book answer and a "pass the buck"?

    I am thinking about ordering 2 more sticks of RAM today just to swap out with my current RAM. At least I could rule RAM out.

    Currently I am running fine with one 4GB stick in.
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