89,90c89,90
< if not isinstance(system.mem_ctrls[0], m5.objects.SimpleDRAM):
< fatal("This script assumes the memory is a SimpleDRAM subclass")
---
> if not isinstance(system.mem_ctrls[0], m5.objects.DRAMCtrl):
> fatal("This script assumes the memory is a DRAMCtrl subclass")