A driver is a software component that enables the operating system to communicate with the hardware device. In the case of the PCI Simple Communications Controller, a driver is necessary to ensure that the device functions properly and efficiently. Without a driver, the device may not work at all, or it may not work as intended.
Windows 10 64-bit is excellent at finding generic drivers, but it often fails to recognize proprietary motherboard communications controllers. This happens most frequently after: Pci Simple Communications Controller Driver Windows 10 64