0864:4100 — MA101 802.11b Adapter

NetGear, Inc.

Vendor ID: 0864
Product ID: 4100
Combined: 0864:4100
Decimal: 2148:16640

What is this device?

This is the USB identifier for a MA101 802.11b Adapter manufactured by NetGear, Inc.. The vendor ID 0864 is registered to NetGear, Inc. with the USB Implementers Forum, and 4100 is the product ID that NetGear, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 0864:4100 NetGear, Inc. MA101 802.11b Adapter.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 0864:4100 NetGear, Inc. MA101 802.11b Adapter

You can filter directly with lsusb -d 0864:4100, or get the full descriptor dump with lsusb -v -d 0864:4100. Kernel messages from dmesg show the same pair as idVendor=0864, idProduct=4100.

Windows

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

USB\VID_0864&PID_4100
USB\VID_0864&PID_4100&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0864&PID_4100"

macOS

$ system_profiler SPUSBDataType
    MA101 802.11b Adapter:
      Product ID: 0x4100
      Vendor ID: 0x0864  (NetGear, 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:

0864  NetGear, Inc.
	4100  MA101 802.11b Adapter