0400:1237 — Hub (National Semiconductor Corp.)

What is this device?

This is the USB identifier for a Hub manufactured by National Semiconductor Corp.. The vendor ID 0400 is registered to National Semiconductor Corp. with the USB Implementers Forum, and 1237 is the product ID that National Semiconductor Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 0400:1237 National Semiconductor Corp. Hub.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 0400:1237 National Semiconductor Corp. Hub

You can filter directly with lsusb -d 0400:1237, or get the full descriptor dump with lsusb -v -d 0400:1237. Kernel messages from dmesg show the same pair as idVendor=0400, idProduct=1237.

Windows

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

USB\VID_0400&PID_1237
USB\VID_0400&PID_1237&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0400&PID_1237"

macOS

$ system_profiler SPUSBDataType
    Hub:
      Product ID: 0x1237
      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.
	1237  Hub

More from National Semiconductor Corp.

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