Host Embedded Controller Interface
Host Embedded Controller Interface (HECI) is technology introduced in 2006 used for Active Management Technology (AMT) in Intel chipsets that support Core 2 Duo microprocessors. == Details == The HECI bus allows the host operating system (OS) to communicate directly with the Management Engine (ME) integrated in the chipset.
Source: Wikipedia — Host Embedded Controller Interface (CC BY-SA 4.0)