this rather modern motherboard seems to have a PCI slot on it! what uses does this have that PCIe couldnt cover? it seems a bit off to have such an outdated way
PCI-Express erklärt: Praxis und Zukunft
Could using a PCIe x1 card on a PCI slot damage the motherboard? - Quora
Pci slots hi-res stock photography and images - Alamy
File:ASRock K7VT4A Pro Mainboard Labeled German.PNG - Wikimedia Commons