config.txt please visit Raspberry Pi Documentation - config.txt.dtoverlay=disable-wifi
dtoverlay=disable-bt
To enable NVMe and the experimental PCIe Gen 3 support add the following to the bottom of your /boot/config.txt file.
dtparam=nvme
dtparam=pciex1_gen=3
Necessary if you use a PoE hat and want to boot of USB devices. You must make sure to have a power supply/PoE hat that delivers enough power 5V 5A.
usb_max_current_enable=1