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Originally Posted by macpwns
first of all, your gonna want to prrrrobably ATLEAST get another 256MB of ram in your ibook. i did this after a while. i was having the same problem as you. i would properly close aps, and my total free memory would always stay the same. when i talked to the apple tech at the apple store, he said that when you have very few processes running, the system automatically tries to disperse ram evenly to the maximum potential. lets say youve got 512 mb of ram, and you have 3 apps open, nothing else running. what your system would do, is automatically disperse that 512MB evenly, while leaving somewhere between 30 - 40 MB of free space for sudden apps, starting new programs, any other system tasks you may need. it basicly uses that 30-40MB as "backup" to open anything new, and say when you DO open up that 4th program, its takes that 30-40MB to evenly dispurse the ram again, and then cleans itself out and leaves you with that 30-40MB of free ram again.

i started off with 512MB stock, but quickly started to have the same problem as you, so i went and got another stick of 512, now my boot time is WAYYYYYY quicker, and everything runs as smooth as silk. its freakin awesome.

thats probably the best advice i have for you. save up your pennies, and get some more ram.
OK, that is an option but I am not entirely sure how many slots are available. I was under the impression that they stuck 2 256's in there rather than 1 512 stick. I will check that out (as soon as I turn off my machine)
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