How to use pci express serial card in raspberry pi compute module 4?

However, unlike most motherboards for the Pi, it adds eleven PCIe slots that allows for a wide variety of components to be added For example,

Вот мы и добрались до самого интересного для меня новшества Pi 5 – линии PCI Express, которая теперь стала доступна для пользователей

raspberry pi 4 pcie slot Also, how do you powerboot the CM4 when it's not in the PCIe slot? With a Raspberry PI OS or Ubuntu on the CM4 module everything works

raspberry pi slot machine Waveshare's new IO carrier board adds four Mini PCIe slots to a Raspberry Pi Compute Module 4