THXEngineer8 Posted August 28, 2009 Share Posted August 28, 2009 Hi, I've just intalled 6 Gb of CMG6GX3M3A1866C7 into a new build computer using an ASUS P6T7 WS motherboard and an Intel i7-975 CPU. All settings are "stock", as I have not yet started to overclock. In the motherboard's BIOS, when I go to set the DIMM speed to "X.M.P." profile, the "DRAM Bus Voltage" is automatically set to 1.66 Volts by the X.M.P. profile. Everyone knows that setting this voltage higher than 1.65 volts will cause the end of the universe as we know it! :laughing: Seriously, though, will having this voltage higher than 1.65 volts harm my CPU? According to Intel, it will. Also, the CMG6GX3M3A1866C7 is advertised and states in it's specs that it can achieve these speeds at 1.65 volts. Why would the X.M.P. profile be setting this voltage to 1.66 volts? Should I enter all of the other X.M.P. specs manually in the BIOS and set the DRAM voltage manually to 1.65 volts? Also, is it correct that when I do start to overclock, the X.M.P. profile will not function and that I'll have to enter these values manually? Thanks for your assistance. Link to comment Share on other sites More sharing options...
Yellowbeard Posted August 28, 2009 Share Posted August 28, 2009 If the ASUS BIOS has not been changed, your options are 1.64v and 1.66v. You can try 1.64v if you like however, 1.66v is not going to harm the IMC. Link to comment Share on other sites More sharing options...
THXEngineer8 Posted August 28, 2009 Author Share Posted August 28, 2009 Hi Yellowbeard, Thanks for the response. The BIOS I'm using is the original that came with the board, version 0210. There is a newer version 0303, that I haven't yet flashed. The current BIOS requires you type in the actual voltage you want, instead of having a list with increments to choose from. So I could manually input 1.65 if I need to, but not when using an XMP profile. Is it normal / correct for this particular DIMM to have an XMP profile with the voltage set to 1.66 V or is something strange going on with my motherboard's BIOS, etc.? If I do need to set things manually, are the approx 7 items that the XMP profile sets the only items that I need to change and leave everything else set to "auto"? Thanks. Link to comment Share on other sites More sharing options...
Yellowbeard Posted August 28, 2009 Share Posted August 28, 2009 The BIOS has no 1.65v option so it sets to 1.66v. Link to comment Share on other sites More sharing options...
THXEngineer8 Posted August 28, 2009 Author Share Posted August 28, 2009 Thanks Yellowbeard! I understand now. I'll set to XMP and let'r rip. Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted August 28, 2009 Corsair Employee Share Posted August 28, 2009 NP Please let us know if you have any more questions! Link to comment Share on other sites More sharing options...
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