If you have an old serial port expansion card (COM port) plugged into your computer, it likely uses the ASM1083 chip to talk to your modern Windows 10 system. Why Windows 10 Shows a "PCI Serial Port" Error
The chip should be recognized automatically as a "Standard PCI-to-PCI Bridge" in Device Manager.
The ASM1083 chip can suffer from buffer overruns if Windows Power Management cuts voltage to the PCIe slots. asmedia asm1083 serial port driver windows 10
Since ASMedia is an OEM (Original Equipment Manufacturer), they rarely provide direct consumer downloads. Instead, you should look at:
pnputil -i -a C:\drivers\asm1083\asmser.inf If you have an old serial port expansion
In , right-click the ASM1083 entry and select Properties . Go to the Driver tab and click Uninstall Device .
While manually finding a driver for the bridge itself is not needed, here is how to check its status or update a connected device's driver via Device Manager. Since ASMedia is an OEM (Original Equipment Manufacturer),
If the port still doesn't appear in Device Manager, you need the driver for the serial controller sitting on top of the ASM1083 bridge. Right-click the and select Device Manager .
The website station-drivers.com maintains an archive of old bridge drivers. Search for "ASM1083" and download the version labeled "Win10 x64".
If the automatic search fails, the most reliable source for this specific driver is the Microsoft Update Catalog. The ASM1083 is often treated as a generic system device by Microsoft.
ASMedia ASM1083 Serial Port Driver Windows 10: Complete Troubleshooting & Installation Guide