1b73:1000 — xHC1 Controller

This is the USB identifier for a xHC1 Controller manufactured by Fresco Logic. The vendor ID 1b73 is registered to Fresco Logic with the USB Implementers Forum, and 1000 is the product ID that Fresco Logic assigned to this particular model. When you run lsusb on Linux, this device appears as 1b73:1000 Fresco Logic xHC1 Controller.

Linux

$ lsusb
Bus 001 Device 004: ID 1b73:1000 Fresco Logic xHC1 Controller

You can filter directly with lsusb -d 1b73:1000, or get the full descriptor dump with lsusb -v -d 1b73:1000. Kernel messages from dmesg show the same pair as idVendor=1b73, idProduct=1000.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_1B73&PID_1000
USB\VID_1B73&PID_1000&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_1B73&PID_1000"

macOS

$ system_profiler SPUSBDataType
    xHC1 Controller:
      Product ID: 0x1000
      Vendor ID: 0x1b73  (Fresco Logic)

Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.

The exact lines this page is generated from, in the upstream source file:

1b73  Fresco Logic
	1000  xHC1 Controller

See all 1 devices from Fresco Logic →