https://bitcointalk.org/index.php?topic=149442.0

Essentially it's part of the XML config files for the Bitcoin Miners in Tray program.

Said program can restart mining w/ new arguments or pause mining in response to specific computer activities and then restart mining automatically upon completion. The key is finding which processes correspond to popular programs that require heavy GPU loads. Sometimes I can even get away with mining on one GPU while playing videos with madVR, so you could set up something like this:


The -d 1 option tells CGMiner to only use one particular video card, -I 8 tells it to lower the intensity from my max setting (I've found this to be the highest intensity that will not kick my fan on loud during movies).