On 1/8/2008 Julian Thomas wrote:
> Am I better off with 1 gb of memory running as DDR400 or 1.25 GB at DDR
> 333? My mobo (Asus K8VSE Deluxe) has 3 ram slots, but if you populate all
> three, it won't do DDR400.
>
Make all sticks the same size.  If you don't then your motherboard can't 
use the raid striping thing they do on ram these days.  That is, all 
data can get put on every stick at the same time.  with two sticks, this 
can double the ram performance.  For example, when I moved from my last 
MB to my new MB, the new ram was about 5 times faster than the old ram.  
The actual performance more then doubled. I had a 512 and a 256 in the 
old board so my ram speed was limited to what it could read from one 
stick at a time.   The new board has two 1 gig sticks.  Due to them 
being the same size, the system is able to spread the data accross both 
sticks.  While the spec for the new memory is about five times better 
then the old sticks, the measured performance was more then ten times 
faster. 

In short, if your MB can strip your data accross all three sticks, three 
333 stick might out perform two 400 sticks.

And no, I can't remember what my MB called this feature.  I suspect this 
is one of those things that has several names depending on who wrote the 
bios.

-- 
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If life is easy, then you're dead - me 2004!
David Eckard
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