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Pro series XMS fault


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I have recently purchased a Matched pair of - CMX 512-3200C2PRO modules to use "Dual Channel" in a new build PC based around an ABIT KN8-Ultra mobo.

My PC will only run for short periods of time (from a couple of minutes to an hour) before crashing & trying to reboot.

I substituted the above RAM with known good ones and the PC then worked OK over a period of several days.

Does this indicate conclusively that the original RAM is faulty or could there be another cause.



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  • Corsair Employees

Please adjust the DDR voltage to the required 2.75v in bios and run memtest86 on the modules individually. Provide which test the module fails in if any.


Here are the directions you can use to run memtest:


1. Head over to http://www.memtest.org

2. Click on the link labeled "Download (Pre-built & ISOs)"

3. Next click on the link labeled "Download - Pre-Compiled package for Floppy (DOS - Win)"

4. Download the software and Unzip the program files

5. Make sure a floppy disk is inserted

6. Run the program, when it asks which drive letter type in "a:"

7. Program should finish writing, reboot off floppy disk

8. Allow memtest to run 2-3 passes

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