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Corsair TWINX 512MB 3200C2 Bad module


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I have a set of TWINX 512MB Corsair RAM (model CMX-512-3200C2). It says on the memory stick XMS3202v1.2


I have been experiencing Blue Screens of Death frequently, as well as system instability (application crashes) when running games. Suspecting the RAM, I ran 2 different tests: memtest86 and the Microsoft Windows Memory Diagnostic tool (http://oca.microsoft.com/en/windiag.asp). One module experiences failures in both tests, while the other is fine.


I am running an ASUS P4C800-E Deluxe with a Pentium 4 3.0GHz, at standard clock settings (no overclocking). I have tried changing the memory timings to [Auto] (option in my bios, labelled "Configure DRAM Timing by SPD, either Auto or Disabled, which allows you to enter the timings manually) and also to the recommended timings on the Corsair website:


CAS Latency: 2.0

RAS Precharge: 3 clocks

RAS to CAS delay: 3 clocks

Precharge delay: 6 clocks


Other settings that may be relevant:

DRAM Burst Length: 8 clocks (this is the default)

DRAM Idle Timer: [Auto]

DRAM Refresh Rate: [Auto]

Performance Acceleration Mode: Tried both [Auto] and [Enabled] - no difference

HyperThreading Technology: Enabled


I have tried reseating the chip and tried both of the channels on my motherboard, and the results don't change.


Can you help?

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If the stick tested bad in both slots and the other one tested fine in both, then it's the stick. Corsair will be open again on Monday, and as such will approve your RMA then. Just remember to fill out the RMA form as 1 TwinX pack, not 2 CMX sticks.
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Thanks, however I don't work for Corsair! I'm just one of the admins of the House of Help.


Ok, good to know. Still, it's great that there's such a community around here (although the volume of posts is incredible). Thanks again.

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Please try and set the dim voltage to 2.75 volts and disable legacy USB and test the modules one at a time with http://www.memtest.org to be sure. If you do get errors, please follow the link in my signature “I think I have a bad part!” and we will be happy to replace them or it!


Thanks RAM GUY, I will run the tests you suggested over the weekend and post results here. I would be very happy if they don't in fact need to be RMA'd!


Thanks again,


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