Rafram the Second became head of the academy in Pumbedita from the year 4193 for 10 years and died in 4203. [And in Shir HaShirim, page 35, section 2 it writes: after Rav Beviya came Rafram bar Pappa, and he died in 4203. And according to Tzemach David, Rafram bar Pappa died in 4147.]