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Not to long ago i had an error which you correct RAM guy and i thank you for that but now there is a new error.


RAM Info

CM2X1024-6400C4D XMS2-6400 800MHz 4-4-4-12

XMS640v2.1 07010001-7


Now the first error was over clocking the motherboard RAM voltage to 2.1v and i have not had a blue screen since that.


Now to the problem i bought some more RAM exacatly the same i installed it and system would boot up pass POST then blue screen so i put the RAM voltage back at auto voltage for RAM. All was going well then when i started playing a game i got memory errors again and again then i got OS crashes similar to what the other RAM was doing before it was fixed. Now this is the part when i get confused i took out the RAM chips out of the computer and put them back in the package and i wrote down the information.



RAM Info

CM2X1024-6400C4D XMS2-6400 800MHz 4-4-4-12

XMS6404v1.2 07180586


OS Specs

Windows Vista Premium edition 64 bit



striker extreme


What is confusing me is why is one RAM pair at v1.2 and other is v2.1 i assume that is the voltage or version so what should i do? is there any settings i need to set my motherboad at to fix the problems?

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  • Corsair Employees

I would try these settings after you load setup defaults and test with http://www.memtest.org Windows is not a good tool to test with.

SLi ready: Disabled

Memory Voltage: 2.0v

NB Core Voltage: 1.4v

TCL: 4


TRP: 4

TRAS: 12

Command Per Clock: 2

TRC: 24


If you get errors I would suggest setting the memory frequency to DDR667 and you need to Disable legacy USB when you run http://www.memtest.org with most ASUS MB's.

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