PCI\VEN_14E4&DEV_9026

ThunderX2 driver

PCI\VEN_14E4&DEV_9026 is the Broadcom Inc. and subsidiaries CN99xx Integrated USB 3.0 xHCI Host Controller, an USB controller device. Without the right controller driver, ports may stop working or devices may show as not recognized. Get it from Windows Update or your PC maker first; the chip maker's own package is on intel.com.

Device details

Hardware IDPCI\VEN_14E4&DEV_9026
Device nameCN99xx [ThunderX2] Integrated USB 3.0 xHCI Host Controller
MakerBroadcom Inc. and subsidiaries (PCI vendor ID 14E4)
Device typeUSB controller
Driver guideFix USB Controller driver

How to install the driver for ThunderX2

  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_14E4&DEV_9026.
  2. Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Windows includes drivers for most USB controllers; updates may appear here.
  3. Check your PC maker. Enter your model or serial number on its support site and look under Chipset or USB.
  4. Use the chip maker's package. Intel Chipset INF Utility on intel.com. Our fix usb controller driver guide explains which package fits.
  5. Restart and check. Plug a USB device into each port and check that it is recognized.

Other Broadcom usb controller IDs

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