I have a large assembly (over 1000 pieces) which will not open unless in speed-pak mode.

I have the fastest and newest pc in the office (Xeon E5-1620 3.6, 8g ram, AMD Firepro V5900, Win7, SolidWorks 2013).

This file will open and go from speed-pak to main assembly or other slower and older computers.

Is there a setting inside Solidworks which could be causing the issue?