KHX8500AD2/2G 2GB DDR2

[essawi]

my board Ep 45 ud3r reads these rams bus 800 MHz, but it is 1066 MHZ?
what is wrong with it

 

[GhislainG]

Nothing wrong. You have to set them manually because 1066 Mhz is overclocked and an entry for that speed doesn't exist in the SPD timings table (you can use CPU-Z to display the SPD timings table).