Re: Can I add DDR2 memory stick?
- From: "martin lynch" <odiegoogle@xxxxxxxxx>
- Date: 31 Dec 2005 11:36:50 -0800
Do all DDR2 systems have on dual channel? I've looked eerywhere, and
nowhere does it state whether my model is single or dual channel (it's
a Toshiba Satellite L25-S119).
So in order to run dual channel, both slots must be occupied by the
same size (MB) RAM? Do they also have to be the same brand?
Barry Watzman wrote:
> You have more memory, but in some machines this will kill the
> dual-channel memory mode, cutting the effective speed of the memory
> system in half.
>
> What's more important, memory size or memory speed? It depends. But
> I'd guess that for most users, 512 megs in dual channel mode will be
> faster then 768 megs in single channel mode.
>
> Note1: Not all systems support dual channel mode, no matter what you
> do. In a system that only has single channel memory anyway, obviously
> you go for more memory, since mixing a 256 and a 512 meg module doesn't
> slow anything down.
>
> Note2: There certainly are situations in which 768 megs of single
> channel memory will outperform 512 of dual channel memory. This is user
> and application software dependent.
>
>
.
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- Re: Can I add DDR2 memory stick?
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- Re: Can I add DDR2 memory stick?
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- Re: Can I add DDR2 memory stick?
- From: Barry Watzman
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