New Ram Not Reading

Just installed new ram and it does not show up in system profiler
its an ibook g4 1.33ghz
built in 256
put in a 1gb samsung card and it wont show that i instaled it
still says that i have 256
do i need some firmware

Thanks alot for the help! I just installed 512mb of ram in mu iBook. At first it was not showing up on my system profiler even though I had installed it. I went back after reading your thread especially about paying attention to page 6 of the instructions and it clicked in all the way. Now I have 786 mb of ram. I guess I could have just bought 256 mb and installed it but I didn't know that the original 256 mb was built in. I bought my ram from Apple just to be safe and it came really fast (less than a week), plus there was free shipping and I had a $10 off coupon code that I found out from iLounge. Next I will probably upgrade my hard drive since I only have 30gb.

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