rhoymand Posted March 12, 2009 Share Posted March 12, 2009 I have 4 sticks of CM2X1024-8500C5D 3 of them work perfectly fine, but I get a "C1" error from my EVGA 680i motherboard when I install a specific stick. tried swapping it around to different slots, but I always get the error when I put in that specific stick. BIOS are updated to latest version. I'm running out of ideas. please help! Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted March 12, 2009 Corsair Employee Share Posted March 12, 2009 How did you purchase the modules as one Quad set or as two Twin sets? Link to comment Share on other sites More sharing options...
rhoymand Posted March 12, 2009 Author Share Posted March 12, 2009 I had one twin set that worked great for 1-1/2 years and then I bought the same twin set to add to it. the new set has the bad stick. Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted March 12, 2009 Corsair Employee Share Posted March 12, 2009 I would test them in another MB to be sure and set the tested settings manually Cas 5-5-5-15 at 2.1 Volts 2T Command Rate. Link to comment Share on other sites More sharing options...
rhoymand Posted March 13, 2009 Author Share Posted March 13, 2009 I don't have another mobo to test the RAM on. I ran memtest on the 3 working modules and found no errors. the computer will not boot up at all when the 'bad stick' is installed. even when it's the only RAM module installed. Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted March 13, 2009 Corsair Employee Share Posted March 13, 2009 Let's get them replaced, please use the On Line RMA Request Form and we will be happy to replace them. Link to comment Share on other sites More sharing options...
rhoymand Posted March 23, 2009 Author Share Posted March 23, 2009 I got the new sticks of RAM today and I received no errors while installing. thanks to theramguy and corsair for timely customer support! one hiccup though... system properties reports that I only have 2.75gb of RAM when I have 1024mb x4 installed. however, the nvidia control panel shows that all the DIMM slots are filled with 1024mb modules. issue with the OS maybe? Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted March 23, 2009 Corsair Employee Share Posted March 23, 2009 Yes that is a limitation of the O.S. Windows XP is a 32 Bit O.S. so it will never show all of the memory. Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted March 23, 2009 Corsair Employee Share Posted March 23, 2009 Also, AN806 will help clarify this for you: http://www.corsairmemory.com/appnotes/default.aspx You'll need a 64 bit OS to fully utilize 4GB+ of system memory. Link to comment Share on other sites More sharing options...
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