Jarko Posted September 25, 2009 Share Posted September 25, 2009 I am having issues with my new build freezing up at random times. Someone is telling me that the above RAM is not compatible with AMD cpus. Is this the really case? Has anyone used TW3X4G1333C9 with an AM3 socket ADM CPU? What are the recommended timings/bios settings? Thanks Jarko Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted September 28, 2009 Corsair Employees Share Posted September 28, 2009 The supported memory for that CPU would be Types of Memory Supported: Support for unregistered DIMMs up to PC2-8500 (DDR2-1066MHz) -AND- PC3-10600 (DDR3-1333MHz) So yes it may not support DDR1333 with out over clocking. Did you try and set the memory frequency to DDR1066 and test the memory with http://www.memtest.org? Link to comment Share on other sites More sharing options...
Jarko Posted September 29, 2009 Author Share Posted September 29, 2009 I haven't even looked at what speed the memory is actually running at. I should check that out. If it was running at 1333Mhz, would it explicitely say this number in the BIOS? Which exact setting in BIOS is it? Please bare with me as I do not have much experience with this stuff. Other than that, I set the timings manually in BIOS to 9-9-9-24 2T and did some testing with OCCT. With medium or large data sets, it locked up immediately after the test started (1-3 seconds). CPU did not even have time to warm up. Small data set ran fine. I increased voltage to 1.7. It still locked up. But since I increased voltage to 1.75 it has been stable. I ran OCCT for both medium and large datasets and no errors/lockups. I was able to install windows updates no problem (before, it was guaranteed to lock up). My RAM is supposed to be rated at 1.5V (says right on the chip). Are there any drawbacks to running it at a voltage so much higher than the manufacturer's rating? Link to comment Share on other sites More sharing options...
Jarko Posted September 29, 2009 Author Share Posted September 29, 2009 OK the effective speed my memory is running at is 1333Mhz. I have never changed it. So I guess the main question is: is it OK to run this memory at 1.75V instead of 1.5V? Will this reduce its lifespan? Will it void the warranty? Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted September 29, 2009 Corsair Employees Share Posted September 29, 2009 The max memory Voltage for these would be 2.0 Volts so you will be fine at 1.75 Volts for the memory. Link to comment Share on other sites More sharing options...
Michi26 Posted November 17, 2009 Share Posted November 17, 2009 Hi, I have the same ram, and the same problem. I first set the ddr Voltage to 1.7 V and the system was stable for 3 days, then the problem reoccured. Now I changed clock rate to 1066 My question, is it possible to raise voltage to 1.75 V (or even higher), or could that harm my NB / CPU / MB ? Should I stay at 1066MHz instead? Thanks Michi Link to comment Share on other sites More sharing options...
Wired Posted November 17, 2009 Share Posted November 17, 2009 As per the post right above yours, the max memory voltage for those modules is 2.0v, so you can bump them up a bit with no worries. Link to comment Share on other sites More sharing options...
Michi26 Posted November 17, 2009 Share Posted November 17, 2009 thanks for the quick response, of course I`ve read the post above mine, but I worried more about my board and CPU than the RAM ;) edit: I changed DDR Voltage to 1.76 V now, the system still freezes, should I change other voltages when DDR voltage is raised ? thanks Michi Link to comment Share on other sites More sharing options...
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