Question about upgrading RAM on Satellite P100-423

Hello

can someone reassure me I'll buy the correct RAM and the best for my 2 Satellites. One is the P100-423.
The other is Satellite Pro P100.

(1) can I use modules of PC2 5300 DDR2 SO-DIMM 200 pin - 667 Mhz on both computers.
I want to buy chips to 4 x 1 GB (all the same), so both will have 2 Gig ram PC.

(2) I saw the bullets above with 533 Mhz, but told me I can use or 667 Mhz. Is this correct?
667 Mhz would be faster and better is not it?

(3) some chips are also designated PC2 - 4200 - instead of PC2-5300. Again, I can use either?

(4) Finally, I always thought that it was better for if adapt to 2 memory chips to live the same size - that is why I want to use 2 x 1 GB chips.
Yet, I was recommended to mount 1 x 1 and 1 x 2 GB in each pc.
I know that IE a total of 4 GB is theoretical only 3.25 GB is possible.
But asymmetric training will offer much greater performance on balance training 2 x 1 GB. ?

Thank you very much for all the advice offered

Robert

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With the help of RAM slower is possible. I have another laptop to work with the iso 4200 5300. It works ok.

However, using the exact speed is better because it gives the best performance. Your system calendar is set on those memories.

However slower modules, but more RAM still will give you better performance.

3G seems to be the max for Vista-32. The imbalance is obviously not optimal, but I expect that the performance is better with 2 GB.

Tags: Toshiba

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