0a5c:4503 — Mouse (Boot Interface Subclass) (Broadcom Corp.)

What is this device?

This is the USB identifier for a Mouse (Boot Interface Subclass) manufactured by Broadcom Corp.. The vendor ID 0a5c is registered to Broadcom Corp. with the USB Implementers Forum, and 4503 is the product ID that Broadcom Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 0a5c:4503 Broadcom Corp. Mouse (Boot Interface Subclass).

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 0a5c:4503 Broadcom Corp. Mouse (Boot Interface Subclass)

You can filter directly with lsusb -d 0a5c:4503, or get the full descriptor dump with lsusb -v -d 0a5c:4503. Kernel messages from dmesg show the same pair as idVendor=0a5c, idProduct=4503.

Windows

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

USB\VID_0A5C&PID_4503
USB\VID_0A5C&PID_4503&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0A5C&PID_4503"

macOS

$ system_profiler SPUSBDataType
    Mouse (Boot Interface Subclass):
      Product ID: 0x4503
      Vendor ID: 0x0a5c  (Broadcom 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:

0a5c  Broadcom Corp.
	4503  Mouse (Boot Interface Subclass)

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