RAM Configuration

Discussion in 'Fujitsu' started by Barry J. Doyle, Oct 26, 2007.

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  1. VT808

    VT808 Pen Pal - Newbie

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    I know this is yet another memory question but I keep reading people saying that its better to put a 2GB dim in slot A and a 1 GB dim in slot B?
    My first question is does it really matter?
    Second, is there a "real" performance difference in having your ram installed in specific locations? (Slot A or B)?
    Also to achieve dual channel using by using identical pairs of ram in both slots, which is faster a 3GB configuration using 1GB X 2GB or 2GB OR using identical 1GB X 2 dims and having dual channel? Please lets clear the air on this matter once and for all...
     
  2. Barry J. Doyle

    Barry J. Doyle Scribbler - Standard Member Senior Member

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    None of this matters on modern motherboards. This school of thought originated years ago when there were minor issues in some machines. Now the best rule of thumb IMO, is to leave an existing, functioning factory installed DIMM undisturbed when adding a second in the next available slot regardless of size difference. However, it is probably be better bet to try to use EQUAL sizes in each slot to get the best performance in most Intel boards. This is not a requirement, however benchmarks show an edge on performance in some machines that have a matched pair (say 2GB x 2).
     
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