PCI\VEN_9710&DEV_9865 , VEN_9710&DEV_7810
Check with:
Look for the Intel Management Engine Interface or Intel AMT Driver .
Microsoft removed built-in support for many legacy Super I/O chips starting with Windows 8, citing security and stability concerns. Older chips (like the National Semiconductor PC87366) use direct I/O port access that can bypass modern driver frameworks. Lenovo, therefore, forces users to download proprietary drivers that implement proper WDM (Windows Driver Model) or KMDF frameworks.
Provided by Lenovo as “Lenovo Serial Port Driver” or “Super I/O Driver”.
The most confusing aspect of this problem is the name. When users see "PCI Serial Port," they often imagine a physical RS-232 serial port on the back of the PC (the legacy 9-pin connector used for old modems, industrial equipment, or label printers).