It's possible to install a PCI-E card in the PCI motherboard slot ? (see pictures)

[netspiderz]

Would the audio card above fit and work properly in the below motherboard slot:

Thank you

 

[netspiderz]

Well, I am back answering my question myself. I have tried and YES it works. Thus, it seems possible to install a PCI-Express into a regular PCI slot. Maybe it worked for me, maybe it doesn't work with all the cards, but so far, so good.