0400:1000 Mustek BearPaw 1200 Scanner

National Semiconductor Corp.

Vendor ID
0400
Product ID
1000
Combined
0400:1000
Decimal
1024:4096

What is this device?

This is the USB identifier for a Mustek BearPaw 1200 Scanner manufactured by National Semiconductor Corp.. The vendor ID 0400 is registered to National Semiconductor Corp. with the USB Implementers Forum, and 1000 is the product ID that National Semiconductor Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 0400:1000 National Semiconductor Corp. Mustek BearPaw 1200 Scanner.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 0400:1000 National Semiconductor Corp. Mustek BearPaw 1200 Scanner

You can filter directly with lsusb -d 0400:1000, or get the full descriptor dump with lsusb -v -d 0400:1000. Kernel messages from dmesg show the same pair as idVendor=0400, idProduct=1000.

Windows

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

USB\VID_0400&PID_1000
USB\VID_0400&PID_1000&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0400&PID_1000"

macOS

$ system_profiler SPUSBDataType
    Mustek BearPaw 1200 Scanner:
      Product ID: 0x1000
      Vendor ID: 0x0400  (National Semiconductor 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:

0400  National Semiconductor Corp.
	1000  Mustek BearPaw 1200 Scanner

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