1e91:b0b1 — miniStack

This is the USB identifier for a miniStack manufactured by Other World Computing. The vendor ID 1e91 is registered to Other World Computing with the USB Implementers Forum, and b0b1 is the product ID that Other World Computing assigned to this particular model. When you run lsusb on Linux, this device appears as 1e91:b0b1 Other World Computing miniStack.

Linux

$ lsusb
Bus 001 Device 004: ID 1e91:b0b1 Other World Computing miniStack

You can filter directly with lsusb -d 1e91:b0b1, or get the full descriptor dump with lsusb -v -d 1e91:b0b1. Kernel messages from dmesg show the same pair as idVendor=1e91, idProduct=b0b1.

Windows

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

USB\VID_1E91&PID_B0B1
USB\VID_1E91&PID_B0B1&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_1E91&PID_B0B1"

macOS

$ system_profiler SPUSBDataType
    miniStack:
      Product ID: 0xb0b1
      Vendor ID: 0x1e91  (Other World Computing)

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.

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

1e91  Other World Computing
	b0b1  miniStack

See all 1 devices from Other World Computing →