everymac.com says:
This model accommodates 2.0 GB of RAM, but the MacOS can use 1.5. I take this to mean that OS9 can only use 1.5GB.
So I can safely run my Gigabit Ethernet with 2GB since I am only running OS X, right?
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Most of the trouble in the world is caused by people wanting to be important. - T.S. Eliot