Pci Bus 0: Device 22 Function 3 Better

This triplet allows the operating system to uniquely identify and communicate with up to 256 buses, 32 devices per bus, and 8 functions per device.

The PCI bus is the primary communication channel. A single system can have multiple PCI buses (e.g., Bus 0, Bus 1, Bus 2), often connected via bridges. Bus 0 is the root bus—the primary bus directly controlled by the host bridge (typically the CPU’s chipset). Almost every system has a Bus 0. Seeing a device on Bus 0 usually means it is either integrated into the motherboard’s chipset or located in a primary PCI slot directly connected to the root complex. pci bus 0 device 22 function 3

Many users disable Intel AMT in the BIOS if they do not manage their PC remotely to reduce the "attack surface." This triplet allows the operating system to uniquely

I can then walk you through the for your specific machine. Bus 0 is the root bus—the primary bus

In technical terms, this string is part of a 16-bit identifier known as the address. This address acts like a postal code for internal hardware.

Apple’s IOKit will show the device at IOService:/AppleACPIPlatformExpert/PCI0@0/SBUS@16,3

Are you trying to in your Device Manager, or are you configuring remote management for a fleet of computers?