Revision History Revision Description Revision Date Number 1.0 Initial release.Chassis Air Guide(CAG)Design Guide May 2002 1.1 System vent pattern optimization.Chassis Air Guide(CAG) September 2003 Design Guide 2.0 Re-design to accommodate 2009 platforms.Document title February 2008 renamed to Thermally Advantaged Chassis(TAC)2.0 to reflect the elimination of the CAG side duct.Revision History Revision Number Description Revision Date 1.0 Initial release. Chassis Air Guide (CAG) Design Guide May 2002 1.1 System vent pattern optimization. Chassis Air Guide (CAG) Design Guide September 2003 2.0 Re-design to accommodate 2009 platforms. Document title renamed to Thermally Advantaged Chassis (TAC) 2.0 to reflect the elimination of the CAG side duct. February 2008