Core Ultra Processors (Series 3) UART #1

PCI ID 8086:e426 · Intel Corporation

VendorIntel Corporation
Vendor ID8086
Device IDe426
Windows hardware IDPCI\VEN_8086&DEV_E426
Linux modaliaspci:v00008086d0000E426
Linux driverintel_lpss_pci

Frequently asked questions

Which device has PCI ID 8086:e426?

PCI ID 8086:e426 is “Core Ultra Processors (Series 3) UART #1” made by Intel Corporation (vendor ID 8086, device ID e426).

Which Linux driver supports Core Ultra Processors (Series 3) UART #1?

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

How do I check whether Core Ultra Processors (Series 3) UART #1 is in my computer?

On Linux, lspci -nn | grep -i 8086:e426 shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as PCI\VEN_8086&DEV_E426.

How do I see which driver is currently in use?

lspci -nnk -d 8086:e426 lists the device with a “Kernel driver in use” line showing the active driver.

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