GTL 1/3 corresponds to the first two threads of Prime95. GTL 0/2 matches up with threads 3 and 4. If either thread for one core consistently fails adjust the CPU GTL for that core. If the failures are random between cores adjust NB GTL. You need to use Prime95 v25.6d.

http://www.mersenneforum.org/attachm...6&d=1199113967