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

Lunar Computer on X: 52Pi P02 PCIe Expansion Board for raspberry pi pcie slot The 52Pi P02 is an expansion board for the Raspberry Pi 5 that converts the Pi's PCIe into a PCIe x1 slot The board gets connected to the raspberry pi 4 pcie slot The P02 PCIe slot baseboard for Raspberry Pi 5 is designed to convert the Raspberry Pi 5's PCIe into a PCIe x1 accessory broadens Raspberry Pi's

raspberry pi slot machine The Compute Module's mini-PCIe slot will drive a graphics card, just not a very powerful one