DMI may refer to any of the following:
1. Short for Desktop Management Interface, DMI is a framework that enables software to collect information about computer environments across multiple machines in a network. The DMI API is defined by the DMTF (Desktop Management Task Force), which is a consortium of hardware manufacturers led by Intel. DMI Systems that comply with DMI 2.0 are sometimes referred to as "managed PCs."
2. Also, DMI is chat slang for "don't mention it."