0483:0138 Unicorn II (ST70138B + MTC-20174TQ chipset)

STMicroelectronics

Vendor ID
0483
Product ID
0138
Combined
0483:0138
Decimal
1155:312

What is this device?

This is the USB identifier for a Unicorn II (ST70138B + MTC-20174TQ chipset) manufactured by STMicroelectronics. The vendor ID 0483 is registered to STMicroelectronics with the USB Implementers Forum, and 0138 is the product ID that STMicroelectronics assigned to this particular model. When you run lsusb on Linux, this device appears as 0483:0138 STMicroelectronics Unicorn II (ST70138B + MTC-20174TQ chipset).

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 0483:0138 STMicroelectronics Unicorn II (ST70138B + MTC-20174TQ chipset)

You can filter directly with lsusb -d 0483:0138, or get the full descriptor dump with lsusb -v -d 0483:0138. Kernel messages from dmesg show the same pair as idVendor=0483, idProduct=0138.

Windows

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

USB\VID_0483&PID_0138
USB\VID_0483&PID_0138&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0483&PID_0138"

macOS

$ system_profiler SPUSBDataType
    Unicorn II (ST70138B + MTC-20174TQ chipset):
      Product ID: 0x0138
      Vendor ID: 0x0483  (STMicroelectronics)

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. STMicroelectronics official support →

Raw usb.ids entry

The exact lines this page is generated from, in the upstream source file:

0483  STMicroelectronics
	0138  Unicorn II (ST70138B + MTC-20174TQ chipset)

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