Ram for dual channel

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cyrux

In the zone
I am about to pruchase a 256 Mb ddr for a 845 board i have. I already have a 256 Mb ram (ddr) running a 333 Mhz. I want to add another 256Mb in another slot. Even if i buy of 400Mhz it will be underclocked to 333 Mhz so thats not a pob. What i wanted to know is whether i have to take of the ram timings also ??? IS it necessary that the ram timings also match.
i m not OCing the ram
 
mohit

mohit

The Hardware Labs
Rules to Enable Dual Channel Mode

To achieve Dual Channel mode, the following conditions must be met:

Matched DIMM configuration in each channel

Same Density (128MB, 256MB, 512MB, etc.)

Matched in both Channel A and Channel B memory channels

Populate symmetrical memory slots (Slot 0 or Slot 1)

Note: Configurations that do not match the above conditions will revert to Single Channel mode.

The following conditions do not need to be met:

Same brand

Same timing specifications

Same DDR speed

Note: Memory channel speed is determined by the slowest DIMM module populated in the system.

Source :
*www.intel.com/support/motherboards/desktop/sb/CS-011965.htm
 
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