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cofanic
03.02.2010, 19:08
Hi,

I've got a NB200-12N and want to upgrade to 2GB. The manual and datasheet are contradictory:
- On one page we can read DDR2 800 MHz
- on another PC2-4200
- and then that bus is 667 MHz.

All three correspond to different RAM types. Which one is the correct ?

Another question, what size shall I buy ?
- one extra 1 GB to add to the existing 1 GB
- or one 2 GB and replace the existing 1 GB ?

thanks
Alain

xaver
04.02.2010, 15:21
Memory used on your notebook is DDR2 800MHz and module type is SO-DIMM.
I found info you can use 2 GB DDR-800 RAM module with part number PA3669U-1M2G for RAM upgrade.

Xardas
04.02.2010, 16:26
Hi cofanic,

Friend of me has also NB200 and it uses DDR2 800MHz modules. This would also be my first choice if you buy new RAM modules because they are downgrade compatible to lower specifications (667MHz for example).

I have good experience with high quality modules from Kingston but you can also order modules from your local ASP. :)

cofanic
04.02.2010, 22:47
Thanks a lot for your answers.
I found an electronic manual with a good drawing how to open the RAM slot
(the paper copy is not as clear).
It contains a Samsung 1GB PC2-6400 (ie DDR2 800 MHz).
It means that in order to upgrade to 2 GB we have to throw away the 1GB :-(

cofanic
05.02.2010, 19:19
Thanks a lot for your answers.

The paper manual is not clear on how to open the RAM slot.
I found an electronic update and opened the slot.

There is one slot occupied with one
Samsung 1GB PC2-6400S-666-12-A3
The "666" is confusing, it has nothing to do with the frequency
which is actually 800 MHz.
Then I have to buy one 2 GB and throw away the 1 GB :-(

cofanic
05.02.2010, 19:21
Thanks a lot for your answers.

The paper manual is not clear on how to open the RAM slot.
I found an electronic update and opened the slot.

There is one slot occupied with one
Samsung 1GB PC2-6400S-666-12-A3
The "666" is confusing, it has nothing to do with the frequency
which is actually 800 MHz.
Then I have to buy one 2 GB and throw away the 1 GB :-(

Message was edited by: cofanic

Syntax
05.02.2010, 19:37
Hi cofanic,

Dont be worry about this, everything is ok!!

The specifications from your module are PC2-6400S and that means its an 800MHz module. So theoretically you can buy one additional 1GB module that supports also 800MHz (PC2-6400 is the same specification).