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From: yuip on 26 Jan 2006 17:07
Good afternoon all,

I'm trying to upgrade my toshiba laptop that came with 512 megs of RAM.
This laptop uses DDR333 SODIMMs which are roughly 30% more expensive
than equivalent DDR2 sticks. The question is, are DDR2 chips backwards
compatible? The DDR and DDR2 SODIMMs both have 200 pins so I'm hopeful.
I couldn't find anything conclusive though.

I'd appreciate any advice.


Thanks.

From: Pen on 26 Jan 2006 19:01

"yuip" <dmitrym(a)gmail.com> wrote in message
news:1138313250.787946.297920(a)f14g2000cwb.googlegroups.com...
> Good afternoon all,
>
> I'm trying to upgrade my toshiba laptop that came with 512
> megs of RAM.
> This laptop uses DDR333 SODIMMs which are roughly 30% more
> expensive
> than equivalent DDR2 sticks. The question is, are DDR2
> chips backwards
> compatible? The DDR and DDR2 SODIMMs both have 200 pins so
> I'm hopeful.
> I couldn't find anything conclusive though.
>
> I'd appreciate any advice.
>
>
> Thanks.

No. Read all about it.
http://download.micron.com/pdf/pubs/designline/dl3Q03.pdf
The short version;
http://www.overclockercafe.com/Articles/DDR_vs_DDR2/
>

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