1d50:5321 — Cowon D2 (Rockbox)

OpenMoko, Inc.

Vendor ID: 1d50
Product ID: 5321
Combined: 1d50:5321
Decimal: 7504:21281

What is this device?

This is the USB identifier for a Cowon D2 (Rockbox) manufactured by OpenMoko, Inc.. The vendor ID 1d50 is registered to OpenMoko, Inc. with the USB Implementers Forum, and 5321 is the product ID that OpenMoko, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 1d50:5321 OpenMoko, Inc. Cowon D2 (Rockbox).

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 1d50:5321 OpenMoko, Inc. Cowon D2 (Rockbox)

You can filter directly with lsusb -d 1d50:5321, or get the full descriptor dump with lsusb -v -d 1d50:5321. Kernel messages from dmesg show the same pair as idVendor=1d50, idProduct=5321.

Windows

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

USB\VID_1D50&PID_5321
USB\VID_1D50&PID_5321&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_1D50&PID_5321"

macOS

$ system_profiler SPUSBDataType
    Cowon D2 (Rockbox):
      Product ID: 0x5321
      Vendor ID: 0x1d50  (OpenMoko, 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:

1d50  OpenMoko, Inc.
	5321  Cowon D2 (Rockbox)

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