0525:a4a8 — Linux-USB Printer Gadget (Netchip Technology, Inc.)

What is this device?

This is the USB identifier for a Linux-USB Printer Gadget manufactured by Netchip Technology, Inc.. The vendor ID 0525 is registered to Netchip Technology, Inc. with the USB Implementers Forum, and a4a8 is the product ID that Netchip Technology, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 0525:a4a8 Netchip Technology, Inc. Linux-USB Printer Gadget.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 0525:a4a8 Netchip Technology, Inc. Linux-USB Printer Gadget

You can filter directly with lsusb -d 0525:a4a8, or get the full descriptor dump with lsusb -v -d 0525:a4a8. Kernel messages from dmesg show the same pair as idVendor=0525, idProduct=a4a8.

Windows

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

USB\VID_0525&PID_A4A8
USB\VID_0525&PID_A4A8&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0525&PID_A4A8"

macOS

$ system_profiler SPUSBDataType
    Linux-USB Printer Gadget:
      Product ID: 0xa4a8
      Vendor ID: 0x0525  (Netchip Technology, 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.

Raw usb.ids entry

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

0525  Netchip Technology, Inc.
	a4a8  Linux-USB Printer Gadget

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