XFX nForce 780i 3-Way SLI - Configuring 3-Way SLI Technology; Appendix B: SLI Configuration Guide

Using NVIDIA Software
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The second series of options the user can alter deals with Event Logging. Here, one can
easily select which system components to track and can specify the name of the
resulting output file. All fields within the application will be logged and written to this
file to aid in troubleshooting issues and tracking overall system behavior.