Look for the Intel Management Engine Interface or Intel AMT Driver .
Upon reboot, Windows will initialize the device, and the "PCI Serial Port" entry in Device Manager should disappear. It will be replaced (often under System Devices) by "Intel(R) Management Engine Interface" and "Intel(R) Active Management Technology - SOL." lenovo thinkcentre pci serial port driver
Sometimes, the driver is tucked away in Settings > Windows Update > Advanced Options > Optional Updates . Check here if the main update didn't catch it. Look for the Intel Management Engine Interface or
With the correct driver installed, your Lenovo ThinkCentre becomes a bridge between modern computing power and legacy serial devices, ensuring that industrial equipment, POS systems, and debugging consoles continue to operate without costly hardware upgrades. Windows will initialize the device
MosChip MCS9865 / MCS9820 / MCS9900