RAM Max for Titanium G4 15"

My older Titanium G4 laptop is currently maxed out with two 512mg RAM chips, which was the maximum available at the time of purchase. They have now started making 1gb chips that will fit my model. If I replace the two 512mg with two 1gb chips, will the computer be able to recognize and utilize the extra RAM? Or will I just be wasting my money? Worse yet, can I cause any damage?
Thanks in advance to anyone with the knowledge to answer my question.

There are in fact some 1GB 3.3V PC133 144-pin modules on the market, but no RAM vendor who offers a "RAM finder" function on its web site recommends them for Tibooks. Never having seen one myself, I don't know whether they would physically fit in a Tibook or whether the notch in them is in a different location from the key in the Tibook's RAM slots.
Since January 2004, no one has ever posted in these Tibook forums to say they successfully installed more than 1GB (2 x 512MB).
Applehistory.com, MacTracker, and Everymac.com (three different Mac specification databases, all independent of Apple) list both Apple's nominal and the real maximum RAM capacities for lots of Mac models whose specs haven't been updated by Apple since larger RAM modules became available for them. All three databases say the real max for all the Tibooks is 1GB.

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