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Problem with 2 CMX512-3200C2 sticks


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I purchased 2 Corsair CMX512-3200C2 sticks from Newegg a few months ago.


I tried the memory in my older box:



Duron 1.3

Win 2K Pro


The sys was very unstable. My neighbor was just building a new system using an Intel Celeron (Prescott core). I attempted to sell him the memory but his system also became unstable.


Answer ... Build a newer system. I just built a new box:



AMD 64 3500+

Radeon 9200 XT

2 WD 120GB HDs

and the 2 Corsair memory modules

Win XP


The new system is taking memory dumps about 5 minutes after the sign on.




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  • Corsair Employees

Please set the Dim Voltage to 2.7X volts and then set the timings manually to the tested settings for the specific module you have, and then test the module/modules one at a time with www.memtest.org! If you still 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! However, if you get errors with both modules that would suggest some other problem and I would test them in another system or MB to be sure.


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I apologize you are correct ASUS never made a VM277 it is the A7N266-VM.


That is beside the point. The new PC is a ASROCK 939 Dual with 2 XMS3202 v1.5 (rev 1.5 I assume). The newest BIOS Uli BIOS is loaded (v1.3). CAS setting was set to AUTO so I changed it to 2.0. There was no where to set the voltage for the memory so I could set it to 2.7v. I also tured off Quite and Cool based on some other post I found on this site. The floppy I created with memtest (from memtest.org) would not boot, so I used the memtest product from microsoft.


I ran the software with one memory stick and out of 23 passes I got 4 LRAND failures and 1 WMATS+ failure. I then loaded the second memory module into the same DRAM slot and got 3 LRAND"s and 1 WMATS+ in 15 passes.



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