Base Points: 100
Max from Disads: 150
Max points from one category of Disads: 50
Total: 250
Base Points: 150+
Max from Disads: 225+
Max points from one category of Disads: 75+
Total: 375+
There are no other limits. Those were left to the GM.
Having the guidelines and limits is not the same thing as "you can only spend these XP on X or Y. I don't care that you've been studying Nuclear Astrophysics. You can't take it as a skill. Why? Because I said so!"