@iamvincepr0 Look to see in the target computer firmware that mac address pass through is enabled. The issue is that ipxe is seeing the built in mac address of the computer, but FOS linux (that does the inventory) is only seeing the mac address of the usb dongle.
Also you will probably want to upgrade your FOS Linux kernel to 5.15.x version (FOG WebUI -> FOG Configuration -> Kernel update This will give you the latest hardware drivers for newly released computer hardware.