Updated: 10/17/2017 by Computer Hope

SMI may refer to any of the following:

1. Short for System Management Interrupt, SMI is the highest-level hardware interrupt used with SMM (System Management Mode) to interrupt the processor when a device needs to be powered up.

2. Short for Simple Mail Interface, SMI is a function used with VIM protocol to distribute e-mail.

Computer acronyms, CPU terms, Interrupt, SMM, SMRAM, TLA