What you really want to watch out for even more so than color change, is meat or poultry that has a bad odor or is sticky, tacky, or slimy to the touch. Let your other senses be your guide in these instances. Read more: The Color of Meat and Poultry - USDA.
Windows Management Instrumentation(WMI) is a set of extensions to the Windows Driver Model that provides an operating system interface through which instrumented components can provide information and notification.
IPMI is an acronym for a protocol: the Intelligent Platform Management Interface. It helps manage what is sometimes known as Out-of-Band or Lights-Out communication and is typically implemented by a chip or small set of chips on the motherboard of modern servers.