15d9:0a4c — USB+PS/2 Optical Mouse
Trust International B.V.
- Vendor ID
- 15d9
- Product ID
- 0a4c
- Combined
- 15d9:0a4c
- Decimal
- 5593:2636
What is this device?
This is the USB identifier for a USB+PS/2 Optical Mouse manufactured by Trust International B.V.. The vendor ID 15d9 is registered to Trust International B.V. with the USB Implementers Forum, and 0a4c is the product ID that Trust International B.V. assigned to this particular model. When you run lsusb on Linux, this device appears as 15d9:0a4c Trust International B.V. USB+PS/2 Optical Mouse.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 15d9:0a4c Trust International B.V. USB+PS/2 Optical Mouse
You can filter directly with lsusb -d 15d9:0a4c, or get the full descriptor dump with lsusb -v -d 15d9:0a4c. Kernel messages from dmesg show the same pair as idVendor=15d9, idProduct=0a4c.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_15D9&PID_0A4C USB\VID_15D9&PID_0A4C&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_15D9&PID_0A4C"
macOS
$ system_profiler SPUSBDataType
USB+PS/2 Optical Mouse:
Product ID: 0x0a4c
Vendor ID: 0x15d9 (Trust International B.V.)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:
15d9 Trust International B.V. 0a4c USB+PS/2 Optical Mouse