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I think I have bad memories


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I think I have two bad modules.


In the first instance, I had two sticks in a computer I was trying to get up and running. Windows wouldn't even install. I took everything out except the bare basics, including one stick, leaving it with one. Then the installation went happy. I stuck the second stick back in. Now, the computer got up and ran, but I couldn't install programs. Kept getting crazy read errors. So, I took out the second stick again and everything went normally. Then, I took out the first stick and stuck the second stick in its slot (testing the slot). Everything went haywire again. I put the first stick in the second stick's slot, and everything went normal. I concluded that I had two good slots and one bad stick.


The second instance went basically the same as the first on a different computer. I can install everything reliably except Blizzard Entertainment games. These crash sometimes during installation and (World of Warcraft specifically) during gameplay somewhat frequently. However, like the first computer, the crashing went away when I took out one module, and then came back when I put the removed module back in in the other's slot.


All told I have four modules, two of which I personally believe are bad. Please either give me instructions for further testing or tell me how to return them. Thanks.

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I have a Pentium 4 3.0 GHz w/ 800 MHz FSB and

Asus P4P800 Deluxe mainboard.


The memory modules are all platinum series with the silver heatsinks and say:


CMX512-3200C2CP XMS3202V2.2


XMS3200 512MB 400MHz CL2


On the sticker on the side.

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All four modules are the same part number and revision.


Now for my RAM and CPU settings:


-CPU is not overclocked

-Performance Mode is set to [auto]


-Hyperthreading [disabled]

-CPU ID Max Value Limit [disabled]

-Configure DRAM Timing by SPD [enabled]

-Mem Acceleration Mode [auto]

-DRAM Idle Timer [auto]

-DRAM Refresh rate [auto]


I hope that these in conjunction with my mainboard make and model information will help. I don't know what most of these settings do, but I tried to set them to what the BIOS said would make a more stable system, figuring I should go for reliability over speed so I could get at least one of the two.

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  • Corsair Employees
Please try and set the Dim Voltage to 2.85 Volts and test the system with http://www.memtest.org If you still get errors please test the 2 modules you suspect one at a time with http://www.memtest.org and make sure. But if they are failing, please follow the link in my signature “I think I have a bad part!” and we will be happy to replace them or it!
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Okay... I ran the test on three of the DIMM's. I set the voltage to 2.85V. The ram settings as shown in Memtest were 2.5/3/3/8. No idea if they were right; just left them at defaults in the BIOS. Aren't those set to conservative values as a default, meaning I wouldn't get any problems from them if I didn't change them?


Now for the tests: I let the tests run to 100% and wrote down the quantity of errors reported. If there's some kind of error log this thing generates, and you want it, just let me know where to find it and I'll get it to you.


First, the alleged bad one that I believed was causing all kinds of headaches. It had around 17000 errors, no errors after ECC, but my system wouldn't even boot with it in there.


Then, the one that lets my system boot and do most things just fine but still crashes my game periodically. It had 84 errors, no errors after ECC.


Finally, just for kicks, a module I believe is A-OK, and it had with 0 errors.


I'll go ahead and start looking at those steps you mentioned in your sig. Does this on the surface look like I have bad parts?

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