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Asus P5KC & Corsair TWIN2X2048-6400C3DF


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Asus P5KC & Corsair TWIN2X2048-6400C3DF

 

Will this memory work on full speed on this MB ?:sigh!:

 

My spec:

Intel Core 2 Duo E6600

MB & RAM this if work

:)

 

P.S.

If they is limited - mybee some recomendations what MB i must take ?

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  • 3 months later...
Yes as long as its the version supporting DDR2.

 

The P5KC is one of the few motherboards currently on the market which have both DDR2 and DDR3 slots for memory. It has four DDR2 slots plus two DDR3 slots. Thus, if one is going to run two sticks of DDR2 memory in dual-channel mode, the memory should be placed in the black slots. The blue slots are used for additional DDR2 memory in single- or dual-channel mode. Do not put DDR2 modules into the yellow slots (like another person in this thread said); those slots are for DDR3 memory only.

 

Also, the P35 chipset, like all other modern chipsets, cannot run DDR2 and DDR3 memory simultaneously. Thus, if one plans to "upgrade" from DDR2 memory to DDR3 memory, the DDR2 modules must be removed from the motherboard.

 

To the thread starter:

 

Sure, you can run DDR2-800 memory at full DDR2-800 speed with a Core 2 Duo E6600 processor (which has an actual FSB clock speed of 266MHz). However, the P35 chipset's memory controller does not officially support synchronous DDR2 memory operation with an FSB1066 processor; its official DDR2 memory support is limited to DDR2-667 or DDR2-800 speeds, which means that the memory speed will always be asynchronous with an FSB1066 processor (which would have required DDR2-533 or DDR2-1066 memory for synchronous operation). And Intel's memory controllers work best in synchronous operation (either 1:1 or 1:2). However, Asus, like some motherboard manufacturers, have tweaked the motherboards' logic so that their motherboards will claim "native" DDR2-1066 support. (By the very same token, while conventional P35 motherboards run an FSB1333 processor best with DDR2-667 memory, a P35 motherboard so tweaked by the likes of Asus might run better with DDR2-800 memory than with DDR2-667 memory for an FSB1333 processor.)

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