In the Peripheral Component Interconnect (PCI) addressing scheme, a specific address points to a unique hardware controller. While hardware assignments can vary slightly by motherboard manufacturer, this specific address is almost universally reserved for Intel’s remote management communication. 1. Hardware Identification
Required for the SOL functionality to interface with the OS. Security Implications pci bus 0 device 22 function 3
refers to a specific logical device on Bus 0. On Intel chipsets (from the 6-series through modern 600-series), Device 22 is commonly associated with the LPC Interface Controller or SPI Flash Controller —but more frequently, it is part of the Intel Management Engine (ME) interface . pci bus 0 device 22 function 3