Blue screen errors only with 2 RAM sticks installed


I have 2 sticks of 1GB Corsair XMS2 DDR2 6400C4 RAM. I am using a Gigabyte GA-G31M-S2L mATX board (2 ram slots, which will be referred to as A and B). I have run into problems consisting of blue screen errors that occur before Windows XP displays the login screen. I am using a legitimate version of XP and "Fail-Safe" BIOS settings (no overclocking).

I have ran a memtest86+ test on both of the memory modules inserted at the same time. They passed 50 tests together. I have not yet run them separately as it did not seem necessary.

To troubleshoot, I spent awhile testing various RAM configurations. To test them for blue screen errors, I just turned on the computer to let it load XP.

When I had RAM 1 and 2 in slots A and B, respectively, 6 out of 10 tests returned blue screen errors.

When I then used only RAM 1 in slot A, I went 20 tests without errors. Switching RAM 1 to slot B, I went 20 tests without errors. Using only RAM 2 in slot A, I went 20 tests without errors. Using only RAM 2 in slot B, I went 20 tests without errors.

I then switched to RAM 2 in slot A and RAM 1 in slot B. I got 5 errors out of 20 tests.

Reverting back to RAM 1 in slot A and RAM 2 in slot B, I got 3 blue screens in the first 4 tests (and then quit testing)

Sorry if that is lengthy, but here's the summary. I only get blue screen errors with both sticks in. The problem seems worse when RAM 1 is in slot A, and RAM 2 is in slot B. Either way, whenever there was 2 sticks in, I saw errors within 20 tests. Whenever there was 1 stick in, there were no errors within 20 tests.

Is this a problem with the RAM? Or should I suspect faulty motherboard memory slots?

5 answers Last reply
More about blue screen errors sticks installed
  1. In BIOS manually set the RAM voltage to 2.1v which is what the manufacturer calls for. Defaulting the BIOS provides 1.8v.
  2. But the motherboard GA-G31M-S2L memory voltage is only 1.80v to 1.84v (0.01v increment).
  3. JSheppard - I have been having similar problems, actually, identical problems as you and I finally had Geek Squad inspect my computer. Both of my RAM sticks tested fine individually, but whenever 2 sticks were installed, my computer would blue screen with either a USB Bugcode or display driver error. The Geek Squad guy spent 5 hours testing each and every configuration of RAM, but whenever he tried a dual configuration, we'd get an error. He is convinced that there is something wrong with the motherboard chips that are handling memory in a dual configuration (I have an ASUS P5N-E SLI motherboard).

    I upgraded my 1 gig stick for a 2 gig stick and everything is working without a hitch, but I would like to find out if anyone knows if this is truly a motherboard issue or if there is a way to fix the problem. I would hate to go through the effort of installing a new motherboard only to find out an easier solution.

  4. I am seeing an identical problem on an ASUS Striker II extreme

    1 stick in 1a or 1b works just fine

    1stick in 2a or 2b is shakey (haven't completed the testing)

    2 sticks, will not boot! BSoD

    Memory voltage and timing are set to factory specs.

    Corsair XMS3 DDR3

    Intel Qx 9650

    All the latest chipset drivers, and Bios.
  5. I am also facing the same problem. i have 1gb and 2gb ram. when i install it together then only the bsod occurs. otherwise individual runs perfect. pls give me solution. as i want to use both.

    i have asus motherboard and amd x2 245 processor.

    also is increasing voltage to 2.1 won't affect anything? will it solve this issue? then i will try.
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