peter2679 Posted November 5, 2004 Share Posted November 5, 2004 hi, i am running a pair of cmx512-3200LLPRO on an MSI k7n2-ILSR motherboard and i think one of the sticks has gone bad. my computer has been restarting itself whenever i play games or i do video encoding for more than 20 minutes. i have an athlon xp2800+ cpu running at a FSB of 166MHz and the ram at 200MHz. the setting in the BIOS are all "by SPD" for these settings and the latency timings. I am not very familiar with memtest but i have done some testing with it to figure out the problem. i run the ram in single channel mode so there are only two memory slots on my mobo. when i run both modules together i get errors but i don't really know how to figure out where the errors are occuring. i tried testing the ram sticks one at a time and that is how i fugured out that one of the sticks gives errors and the other does not. surprisingly i got a lot more errors when i had both sticks installed than when i tested the apparently faulty stick of ram by itself. i then thought that maybe it was dimm slot 2 that was the problem so i stuck a generic stick of ram i took out of another computer. now running the good stick of corsair in slot 1 and the generic in slot 2, 5 complete passes in memtest generated no errors whatsoever. furthermore, i have to say that there has been one update to the BIOS since the last time i updated but the update release says that the only thing new about it is the fact that they added Sempron support to the mobo. Since it doesn't mention anything about RAM i am relunctant to flash my BIOS. Link to comment Share on other sites More sharing options...
Wired Posted November 5, 2004 Share Posted November 5, 2004 Try running it at 200 Mhz, as running memory async with the FSB on an AMD CPU can cause problems. Link to comment Share on other sites More sharing options...
peter2679 Posted November 5, 2004 Author Share Posted November 5, 2004 i can't run the cpu with a 200MHz FSB. it doesn't support it. i have tried but the computer won't even boot. anyways i tried running the ram at 166 and the problem persisted. i wouldn't mind running the ram at 166 async with the FSB but that didn't solve my problem. Link to comment Share on other sites More sharing options...
Wired Posted November 5, 2004 Share Posted November 5, 2004 Bah, I meant run the memory and FSB both at 166 Mhz. They need to run in sync with each other. Link to comment Share on other sites More sharing options...
peter2679 Posted November 5, 2004 Author Share Posted November 5, 2004 well, i did try that but it didn't change anything. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted November 5, 2004 Corsair Employees Share Posted November 5, 2004 Please set the memory Frequency at 100% or DDR333. If you try to run the memory at DDR400 with your CPU at 333MHz it will cause a bottleneck in the chipset and may generate errors that are not the fault of the memory! Link to comment Share on other sites More sharing options...
peter2679 Posted November 6, 2004 Author Share Posted November 6, 2004 boy, do i feel dumb right now. well, that was my problem after all. thanks. i guess in all the test i did i never really tested at 333MHz. sorry about the incovenience. i thought my computer would run faster if i set the memory at ddr400, but i never thought it would cause the instability. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted November 8, 2004 Corsair Employees Share Posted November 8, 2004 Since your CPU FSB speed is only 333MHz FSB, therefore you need to run the memory module synchronous with the CPU and set it as well at 333 or 100% in your BIOS. Link to comment Share on other sites More sharing options...
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