Sometimes the bridge is working, but the serial port itself lacks a driver. If your ASM1083 is connected to a physical COM port header:
A: No. It is a PCIe to PCI bridge . Your actual serial port is another chip (e.g., Oxford, Winbond, or Fintek) connected behind this bridge. The ASM1083 simply allows that chip to talk to your modern motherboard. asmedia asm1083 serial port driver windows 10
Are you getting a specific (like Code 10 or Code 43) in Device Manager? Sometimes the bridge is working, but the serial