Core Ultra Processors (Series 3) SMBus

PCI ID 8086:e422 · Intel Corporation

VendorIntel Corporation
Vendor ID8086
Device IDe422
Windows hardware IDPCI\VEN_8086&DEV_E422
Linux modaliaspci:v00008086d0000E422
Linux driveri2c_i801

Frequently asked questions

Which device has PCI ID 8086:e422?

PCI ID 8086:e422 is “Core Ultra Processors (Series 3) SMBus” made by Intel Corporation (vendor ID 8086, device ID e422).

Which Linux driver supports Core Ultra Processors (Series 3) SMBus?

In Linux kernel 6.12 the device is bound to the driver i2c_i801 (source under drivers/i2c/busses). The driver is normally loaded automatically when the device is detected.

How do I check whether Core Ultra Processors (Series 3) SMBus is in my computer?

On Linux, lspci -nn | grep -i 8086:e422 shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as PCI\VEN_8086&DEV_E422.

How do I see which driver is currently in use?

lspci -nnk -d 8086:e422 lists the device with a “Kernel driver in use” line showing the active driver.

Nearby entries