07ab:fc77 — Quattro 3.0
Freecom Technologies
- Vendor ID
- 07ab
- Product ID
- fc77
- Combined
- 07ab:fc77
- Decimal
- 1963:64631
What is this device?
This is the USB identifier for a Quattro 3.0 manufactured by Freecom Technologies. The vendor ID 07ab is registered to Freecom Technologies with the USB Implementers Forum, and fc77 is the product ID that Freecom Technologies assigned to this particular model. When you run lsusb on Linux, this device appears as 07ab:fc77 Freecom Technologies Quattro 3.0.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 07ab:fc77 Freecom Technologies Quattro 3.0
You can filter directly with lsusb -d 07ab:fc77, or get the full descriptor dump with lsusb -v -d 07ab:fc77. Kernel messages from dmesg show the same pair as idVendor=07ab, idProduct=fc77.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_07AB&PID_FC77 USB\VID_07AB&PID_FC77&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_07AB&PID_FC77"
macOS
$ system_profiler SPUSBDataType
Quattro 3.0:
Product ID: 0xfc77
Vendor ID: 0x07ab (Freecom Technologies)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:
07ab Freecom Technologies fc77 Quattro 3.0