0451:e011 — Nspire CAS+ prototype

Texas Instruments, Inc.

Vendor ID: 0451
Product ID: e011
Combined: 0451:e011
Decimal: 1105:57361

What is this device?

This is the USB identifier for a Nspire CAS+ prototype manufactured by Texas Instruments, Inc.. The vendor ID 0451 is registered to Texas Instruments, Inc. with the USB Implementers Forum, and e011 is the product ID that Texas Instruments, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 0451:e011 Texas Instruments, Inc. Nspire CAS+ prototype.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 0451:e011 Texas Instruments, Inc. Nspire CAS+ prototype

You can filter directly with lsusb -d 0451:e011, or get the full descriptor dump with lsusb -v -d 0451:e011. Kernel messages from dmesg show the same pair as idVendor=0451, idProduct=e011.

Windows

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

USB\VID_0451&PID_E011
USB\VID_0451&PID_E011&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0451&PID_E011"

macOS

$ system_profiler SPUSBDataType
    Nspire CAS+ prototype:
      Product ID: 0xe011
      Vendor ID: 0x0451  (Texas Instruments, 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:

0451  Texas Instruments, Inc.
	e011  Nspire CAS+ prototype

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