Turn off DRAM B and D. This can save about 38K LUTs. Also remove some unnecessary wires in the DRAM instantiation.
Turn off DRAM B and D. This can save about 38K LUTs. Also remove some
unnecessary wires in the DRAM instantiation.

csail-csg/connectal,csail-csg/connectal,csail-csg/connectal,csail-csg/connectal,csail-csg/connectal