MSI GF615M-P33 V2 voltage is appearing to be disabled in BIOS

I am having MSI GF615M-P33 V2 and a pair of GEIL DDR3-1600 and to put these memory on the board I have to change the voltage but then I have found that the voltage options in the BIOS are appearing to be disabled, I am not able to find out any other way where I can change the FSB/DRAM ratio as per the manual, is there anyone who can help me out with this????

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I am having MSI GF615M-P33 V2 and a pair of GEIL DDR3-1600 and to put these memory on the board I have to change the voltage but then I have found that the voltage options in the BIOS are appearing to be disabled, I am not able to find out any other way where I can change the FSB/DRAM ratio as per the manual, is there anyone who can help me out with this????

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You need to check this out:
http://i41.tinypic.com/167ovg2.jpg
In order to adjust the values Use +/- keys by the number pad, if you want then you can use page up and page down key as well.

I have now changed the voltage but then I was not having the option of putting it at 1.6., I thought that I was using 1.5 as the 1.5 had stated that it is the memory that must be used at 666 Mhz speed but then I doubt the same, I have checked out CPU-z as well as AIDA64 but then they are not telling me about what voltage the DRAM is set currently, so is there any way by which I can change the what voltage the DRAM is set.

Before I suggest you something about the same I just wanted to know that,If you are not having option of putting it at 1.6 then which are the options that you are having? I don’t think that there is any software which van help you out in checking out the current DRAM voltage, even the CPU-Z show does not capable of showing current DRAM voltage and it just let you know about the current DRAM voltage that is programmed into the SPD tables and those value won’t be getting changed.If you want then you can try using FSB/DRAM Ratio option. Just check it out and then let me know what you get.

I am having 1.59 downwards and 1.61 upwards options, I think that I am having 1.6V which is the default value, where as I am not having the FSB/DRAM Ratio option or maybe I am not able to find the same, I have checked out the manual and it is not even listed there, is it in the DRAM Advance Configuration or in the Cell Menu, any further help for the same will be highly appreciated.

Can you just tell me the current version of bios in your case?? I also wanted to share that Default for DDR3- is always 1.5V +/- 0.075V, so if you are not able to use 1.6V then you can try out 1.59 or 1.61V, I don’t think that there will be much difference between them. Just try out the same and then post back the result that you get.

Hey thanks for the same but then I have tried using 1.61V and I don’t know why the system was getting froze after 10 minutes, I was not having the same issue previously, and I was not willing to use 1.5V as it would have been a big difference. As far as the bios is concerned I am having version 10.2, released 14/3/2011, anyways I have performed more test and I have found that the GEILs is not working fine under 7-7-7-24 but then they were advertised for 1333, the right voltage for getting it work is 8-8-8-24-1T.