[TriLUG] Installing DDR2 Memory

matt1027 box1027 at bellsouth.net
Wed Feb 28 20:40:28 EST 2007


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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