0639:7231 — CH7213

Chrontel, Inc.

Vendor ID: 0639
Product ID: 7231
Combined: 0639:7231
Decimal: 1593:29233

What is this device?

This is the USB identifier for a CH7213 manufactured by Chrontel, Inc.. The vendor ID 0639 is registered to Chrontel, Inc. with the USB Implementers Forum, and 7231 is the product ID that Chrontel, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 0639:7231 Chrontel, Inc. CH7213.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 0639:7231 Chrontel, Inc. CH7213

You can filter directly with lsusb -d 0639:7231, or get the full descriptor dump with lsusb -v -d 0639:7231. Kernel messages from dmesg show the same pair as idVendor=0639, idProduct=7231.

Windows

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

USB\VID_0639&PID_7231
USB\VID_0639&PID_7231&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0639&PID_7231"

macOS

$ system_profiler SPUSBDataType
    CH7213:
      Product ID: 0x7231
      Vendor ID: 0x0639  (Chrontel, Inc.)

Driver help

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.

Raw usb.ids entry

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

0639  Chrontel, Inc.
	7231  CH7213