<p>Unless Berkeley changed it, there is a 6 semester cap for financial aid. There is a unit cap for enrollment, something like 130 units total if you are not double majoring. You can appeal, of course. They WANT you to graduate within 4 semesters, which is totally do-able outside of engineering and double majoring, but if you want to stay a 5th semester or even another year, it is possible.</p>