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Not SPD compatable?


Chrome

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Hi people,

Im new to computing/RAM so any help would be appreciated.

I installed two Corsair DIMM's, CMX512-4000PRO on a Intel D845EBG2 motherboard with a 533MHz bus. When booting I got a message stating that the modules were not SPD compatable. Because of this, the speed of my RAM was set to a default value of 200MHz. My OS is Windows XP Pro.

 

So, is this just a case of incompatability and I now must live with this (and what exactly does this mean)?

OR

Is the 4000 in the name supposed to match what is now 200. If so how can I change the value in setup as Ive tried but failed.

AND

How does my bus speed fit into all this? :confused:

 

PLEASE HELP :D:

Cheers,

Chrome

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  • Corsair Employees

This is a chipset limitation.

If the FSB of your CPU is 400 For Intel and 100 MHz for AMD, the memory speed supports only DDR 266.

If the FSB of your CPU is 533 For Intel and 133/166 MHz for AMD, the memory speed supports DDR 266/333

If the FSB of your CPU is 800 MHz for Intel and 200 MHz for AMD, the memory speed supports DDR 333/400

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