0409:0040 — Floppy

NEC Corp.

Vendor ID: 0409
Product ID: 0040
Combined: 0409:0040
Decimal: 1033:64

What is this device?

This is the USB identifier for a Floppy manufactured by NEC Corp.. The vendor ID 0409 is registered to NEC Corp. with the USB Implementers Forum, and 0040 is the product ID that NEC Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 0409:0040 NEC Corp. Floppy.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 0409:0040 NEC Corp. Floppy

You can filter directly with lsusb -d 0409:0040, or get the full descriptor dump with lsusb -v -d 0409:0040. Kernel messages from dmesg show the same pair as idVendor=0409, idProduct=0040.

Windows

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

USB\VID_0409&PID_0040
USB\VID_0409&PID_0040&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0409&PID_0040"

macOS

$ system_profiler SPUSBDataType
    Floppy:
      Product ID: 0x0040
      Vendor ID: 0x0409  (NEC 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:

0409  NEC Corp.
	0040  Floppy

More from NEC Corp.

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