04b3:4427 — Portable CD ROM

IBM Corp.

Vendor ID: 04b3
Product ID: 4427
Combined: 04b3:4427
Decimal: 1203:17447

What is this device?

This is the USB identifier for a Portable CD ROM manufactured by IBM Corp.. The vendor ID 04b3 is registered to IBM Corp. with the USB Implementers Forum, and 4427 is the product ID that IBM Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 04b3:4427 IBM Corp. Portable CD ROM.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 04b3:4427 IBM Corp. Portable CD ROM

You can filter directly with lsusb -d 04b3:4427, or get the full descriptor dump with lsusb -v -d 04b3:4427. Kernel messages from dmesg show the same pair as idVendor=04b3, idProduct=4427.

Windows

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

USB\VID_04B3&PID_4427
USB\VID_04B3&PID_4427&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04B3&PID_4427"

macOS

$ system_profiler SPUSBDataType
    Portable CD ROM:
      Product ID: 0x4427
      Vendor ID: 0x04b3  (IBM Corp.)

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:

04b3  IBM Corp.
	4427  Portable CD ROM

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