1209:effa — EffigyLabs atmega32u4-USB-LUFA-Bootloader

Generic

Vendor ID: 1209
Product ID: effa
Combined: 1209:effa
Decimal: 4617:61434

What is this device?

This is the USB identifier for a EffigyLabs atmega32u4-USB-LUFA-Bootloader manufactured by Generic. The vendor ID 1209 is registered to Generic with the USB Implementers Forum, and effa is the product ID that Generic assigned to this particular model. When you run lsusb on Linux, this device appears as 1209:effa Generic EffigyLabs atmega32u4-USB-LUFA-Bootloader.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 1209:effa Generic EffigyLabs atmega32u4-USB-LUFA-Bootloader

You can filter directly with lsusb -d 1209:effa, or get the full descriptor dump with lsusb -v -d 1209:effa. Kernel messages from dmesg show the same pair as idVendor=1209, idProduct=effa.

Windows

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

USB\VID_1209&PID_EFFA
USB\VID_1209&PID_EFFA&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_1209&PID_EFFA"

macOS

$ system_profiler SPUSBDataType
    EffigyLabs atmega32u4-USB-LUFA-Bootloader:
      Product ID: 0xeffa
      Vendor ID: 0x1209  (Generic)

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:

1209  Generic
	effa  EffigyLabs atmega32u4-USB-LUFA-Bootloader

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