
I think you are talking about PCC-10 PC card (former PCMCIA ) or PCLTA-20 for PCI bus on DeskTop PC.
Please refer to the following KB.
https://adesto.zendesk.com/hc/en-us/articles/201852780-My-Windows-desktop-PC-or-laptop-PC-does-not-recognize-my-PCC-10-PCLTA-10-PCLTA-20-PCLTA-21-Network-Interface-Card-KB395-
My Windows Desktop PC Or Laptop PC Does Not Recognize My PCC-10/PCLTA-10/PCLTA-20/PCLTA-21 Network Interface Card. (KB395)
https://adesto.zendesk.com/hc/en-us/articles/204937174-What-is-the-latest-Network-Interface-Software-driver-i-LON-10-100-600-RNI-PCLTA-20-21-PCC-10-SmartServer-and-U10-U20-U60-KB955-
What Is The Latest Network Interface Software Driver (I.LON 10/100/600 RNI, PCLTA-20/21, PCC-10, SmartServer, And U10/U20/U60)? (KB955)