PCI\VEN_8086&DEV_31C0

Serial IO driver

PCI\VEN_8086&DEV_31C0 is the Intel Corporation Celeron/Pentium Silver Processor Serial IO UART Host Controller, a Serial IO device. It connects the touchpad, sensors or buttons on many laptops. If it has no driver the touchpad or rotation sensor may not work. Get it from Windows Update or your PC maker first; the chip maker's own package is on intel.com.

Download from intel.comFull guide: Get the Intel Serial IO driver

Device details

Hardware IDPCI\VEN_8086&DEV_31C0
Device nameCeleron/Pentium Silver Processor Serial IO UART Host Controller
MakerIntel Corporation (PCI vendor ID 8086)
Device typeSerial IO
Driver guideGet the Intel Serial IO driver

How to install the driver for Celeron/Pentium Silver Processor Serial IO UART Host Controller

  1. Confirm the ID. In Device Manager, right-click the device, open Properties, then Details, and pick Hardware Ids. The first line should start with PCI\VEN_8086&DEV_31C0.
  2. Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Serial IO drivers are rarely offered here, so the PC maker is the main source.
  3. Check your PC maker. Enter your model or serial number on its support site and look under Chipset.
  4. Use the chip maker's package. Intel Serial IO Driver for 11th Generation Intel NUC products (SetupSerialIO.exe) on intel.com. Our get the intel serial io driver guide explains which package fits.
  5. Restart and check. Test the touchpad and any sensors after the restart.

Other Intel serial io IDs

Device names: The PCI ID Repository, public data. We never host driver files: downloads come from the maker.