Advise memory/ram upgrade !!

I have 1gb of memory in my PB.I want to upgrade to 2gb by adding 1GB of memory. The serial # of my computer is W8540xxxxxx. It is out of the range given by apple for those show problem during upgrade .I need your advise ,if it is ok! to go ahead and upgrade or stay with the one i have ,until apple gives solution to the problem.Is there any one affected having serial #out of the range?
Peace
Thanks

The issue you are referring to is with the lower memory slot, and not every PB is affected by that. If you want to see if yours is OK, move your existing memory (assume you have one 1gb stick ) into the other slot and see if it works. If so, then I wouldn't hesitate to get another 1gb. Recommend sticking with Samsung, Crucial, Kingston or other name brand memory with lifetime warranty, that is designed for our PB's. A search on this site will tell you which Samsung memory works, and both Crucial and Kingston have tools on their sites to look up the right memory. Memory can fit the spec, generically, and not work well.

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