GROOTVOET Posted April 20, 2009 Share Posted April 20, 2009 When running TR3X6G1600C8D at 1600mhz, memtest86 and windows taskmanager recognize only 2gb or 4gb instead of 6gb. Something odd is that sometimes 2gb is recognized and other times 4gb :sigh!: CPU-Z lists all 6gb. When using default 1066mhz everthing is allright. (even with 2x memtest86) This howto Gigabyte EX58-EXTREME BIOS Settings for TR3X3G1600C8D and TR3X6G1600C8D http://www.asktheramguy.com/v3/showthread.php?t=76751 didn't solve the problem either I raised the QPI voltage in steps untill 1.300V. Checklist of other things I tried: -latest bios f6 -memorybanks in the right memory slots -tried differently setups with 1, 2 and 3 banks -New install 64 bit os I don't think it's a defect memorybank or a cpu pin misalignment because it works on 1066mhz. What could be wrong? Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted April 20, 2009 Corsair Employees Share Posted April 20, 2009 Test all of the modules one at a time to make sure one is not failing and if they all pass then test one of the modules in every slot top make sure there is not a problem with one of the slots. if that all works them make sure you have the latest BIOS and then load setup defaults and enable XMP should be all you need to do. Test with http://www.memtest.org. Link to comment Share on other sites More sharing options...
GROOTVOET Posted April 21, 2009 Author Share Posted April 21, 2009 Test all of the modules one at a time to make sure one is not failing You mean to test one module at a time with memtest86+ v2.11 at XMP 1600 speed? and if they all pass then test one of the modules in every slot top make sure there is not a problem with one of the slots. If the total 6gb work at 1066mhz, with 2 full memtest86+ v2.11 tests, how can a memoryslot be the problem? if that all works them make sure you have the latest BIOS and then load setup defaults and enable XMP should be all you need to do. Test with http://www.memtest.org. Like I wrote, I use the latest bios version F6. And after a fresh biosflash, I used the setup defaults with only XMP on! Please help. I'm stuck here Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted April 21, 2009 Corsair Employees Share Posted April 21, 2009 What were the results when you tested them one at a time? And did you test one module in every slot? Link to comment Share on other sites More sharing options...
GROOTVOET Posted April 22, 2009 Author Share Posted April 22, 2009 What were the results when you tested them one at a time? And did you test one module in every slot? I tested them one at a time in slot 1. This time I used some post-it to label them. The last one didn't boot at 1600mhz :bigeyes: The same module works fine at 1066mhz Probably I overlooked in the past the defect one, because I didn't label them. Thanx a lot! :) Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted April 22, 2009 Corsair Employees Share Posted April 22, 2009 Let's get them both replaced. Please follow the link in my signature “I think I have a bad part!” and we will be happy to replace them or it! Link to comment Share on other sites More sharing options...
Yellowbeard Posted April 22, 2009 Share Posted April 22, 2009 Let's get them both replaced. Actually, you will need to return all 3 modules, so that you get a matched and tested trio of modules. ;): Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted April 22, 2009 Corsair Employees Share Posted April 22, 2009 Yes sorry I missed that you will need to send all of the modules. Link to comment Share on other sites More sharing options...
Yellowbeard Posted April 22, 2009 Share Posted April 22, 2009 Yes sorry I missed that you will need to send all of the modules. LOL...you are like all of us. You have had Twin kits etched into your brain for the past 6-7 years. :D: Link to comment Share on other sites More sharing options...
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