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Memory or Motherboard?


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With the recent push from a lot of businesses to move towards Vista, I decided to bite the bullet and start to learn it. To this end I built myself what I thought was a Vista ready machine only to find everything works except the memory.


Mobo - ASUS M2N32-SLI Premium Vista ready.

CPU - AMD Athlon 64 4300+

Graphics card - Sapphire 2600 series

RAM - Corsair CM2X1024-6400 5-5-5-12 (voltage set to auto)

OS - Vista Business edition.


I built the damn thing but when I went to power it on the first time I got some errors which according to many websites was a problem with the video card. After removing several things I discovered that one of the DIMMs was defective, the error beeps went away and the machine booted. After trying it in several different banks I concluded it was defective and returned it to the store.


They tested it and it was found to be faulty so I got a new pack of memory.


I install the new memory but this time, while it POSTs it then spontaneously reboots maybe 20 seconds later until I shut it off. If I remove one of the DIMMs it will POST and start normally. If I install the second DIMM only it won't POST and just sits there doing nothing.


Now I doubt very much that I could get two packages of the same memory with the same problem but then stranger things have happened.


Is there a kind soul out there that could nudge me in the right direction?

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  • Corsair Employees
Please make sure that you have the latest Bios version and then load setup/optimized defaults and set the Dim Voltage to 2.0 volts (+.2 Volts W/Giga-Byte) and then set the timings manually to the tested settings for the specific module you have, or if you have Value Select "BY SPD" and then test the module/'s one at a time with http://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. In addition, with some MB's (Mostly ASUS) you have to disable legacy USB in the bios when running any memory test.
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I did all these changes and the second DIMM still wouldn't work.


The only thing left to do was to take it back to the store where they tested it and again, it was found to be defective. I mean what are the odds? Not only that two separate packs of memory had one good stick and one bad one but it would be the second DIMM I installed that would be bad. The guy behind the counter expressed a lot of surprise at this as well.


So we tested the new memory there and both sticks worked both solo and in tandem. When I got home I installed them both and my system booted up with no issue.

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I mean what are the odds?


I agree, the odds are against this happening but that is the problem with statistics. The odds are against, but it can happen. You can consider yourself unlucky for certain.


I'm glad to hear that you are finally up and running the way most people are immediately :)

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