[TriLUG] Installing DDR2 Memory

Carl Crider c.crider at gmail.com
Wed Feb 28 20:47:24 EST 2007


To be safe, I always follow the manufacturers specs.

On 2/28/07, matt1027 <box1027 at bellsouth.net> wrote:
>
> I would like to ask about installing a matched pair of DDR2 memory
> sticks on an Asus P5B Deluxe motherboard with a Core 2 Duo processor.
>
> The motherboard has two memory channels (A & B) and each channel has
> two sockets.  The first socket in each channel is yellow (A1, B1) and
> the second in each channel is black (A2, B2).
>
> The guy at ASUS phone tech support said to put both memory sticks in
> the same channel, one in a yellow slot and one in a black slot.
>
> I found this Kingston site
> <http://www.kingston.com/newtech/MKF_520DDRwhitepaper.pdf> which
> says, "For the best dual-channel memory performance on motherboards
> with the Intel dual channel DDR chipsets, you must use identically
> paired memory modules in DIMM sockets 0 of channel A and B."  (Their
> sockets are labelled as 0 and 1 instead of 1 and 2)
>
> I'm thinking that I should put the memory in separate channels but
> the same socket number, ie. A1 and B1, which are both yellow.  Can
> someone confirm this or correct and explain why not?
>
> Thanks,
> Matt
>
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