matching memory

  je-haz 18:53 10 Oct 2007


I have a Dell Vostro 400 (small business). There are 4 RAM slots on the motherboard.

I have 2gb Dual-Channel4 DDR2 SDRAM2 (667MHz). They are installed in the 1st and 3rd slot of the mobo.

So I'd like to double the ram to 4gb since its reasonably cheap, but Dell give the following note in the small print:

"Dual-channel memory requires 2 each of the same capacity memory DIMMs"

What on earth does this mean? Does this mean that 2 slots are required for each ram card? Is that why the 2nd RAM card is in slot 3 and not slot 2?

Can't I just plonk a 1gb RAM card in each slot?

help and cheers,

  je-haz 18:54 10 Oct 2007

sorry - i should add that the 2gb i currently have is made up of 2x1gb

  topdude 19:15 10 Oct 2007

Hi, it means that if you have a pair om memory modules with matching characteristics and put them in the correct slots they will run in "dual" mode which is faster.
Buy another pair of matched modules and put them in slots 2 and 4 and away you go.

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