Intel Serial IO I2C Host Controller - 51E8 Driver 30.100.2531.31

Driver package for Windows 10, 11, 64-bit. Released Jul 30, 2025.

Manufacturer

Intel

Version

30.100.2531.31

Release date

Jul 30, 2025

Windows

Windows 10Windows 11

Architecture

64-bit

Size

228 KB

Hardware IDs

53 supported (see list)

Category

Chipset › Intel

Download

How to install

1. Check that this is the right driver. Open Device Manager (right-click the Start button), right-click your device, choose Properties and look at "Hardware Ids" on the Details tab. The value should match one of the supported IDs below (more about hardware IDs).
2. The driver comes as a .cab package. Open Command Prompt as administrator in the download folder and unpack it:
   mkdir C:\Drivers\pkg
expand -F:* intel-serial-io-i2c-host-controller-51e8-driver-30.100.2531.31-x64-19ef4ce5.cab C:\Drivers\pkg
   (Alternatively, double-click the .cab file, select all files and copy them to a folder.)
3. Install the driver with pnputil /add-driver C:\Drivers\pkg\*.inf /install. You can also do it from Device Manager: right-click the device, choose Update driver, then "Browse my computer for drivers" and select C:\Drivers\pkg.
4. Restart the computer and check that the device no longer shows a yellow warning sign in Device Manager.

Supported hardware IDs

This driver package declares support for 53 device IDs. Open an ID to see every driver available for that device.

Other drivers for this hardware