05ac:020c — Extended Keyboard [Mitsumi] (Apple, Inc.)

What is this device?

This is the USB identifier for a Extended Keyboard [Mitsumi] manufactured by Apple, Inc.. The vendor ID 05ac is registered to Apple, Inc. with the USB Implementers Forum, and 020c is the product ID that Apple, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 05ac:020c Apple, Inc. Extended Keyboard [Mitsumi].

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 05ac:020c Apple, Inc. Extended Keyboard [Mitsumi]

You can filter directly with lsusb -d 05ac:020c, or get the full descriptor dump with lsusb -v -d 05ac:020c. Kernel messages from dmesg show the same pair as idVendor=05ac, idProduct=020c.

Windows

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

USB\VID_05AC&PID_020C
USB\VID_05AC&PID_020C&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_05AC&PID_020C"

macOS

$ system_profiler SPUSBDataType
    Extended Keyboard [Mitsumi]:
      Product ID: 0x020c
      Vendor ID: 0x05ac  (Apple, 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. Apple, Inc. official support →

Raw usb.ids entry

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

05ac  Apple, Inc.
	020c  Extended Keyboard [Mitsumi]

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