0aa8:ffda iMON_VFD

TriGem Computer, Inc.

Vendor ID
0aa8
Product ID
ffda
Combined
0aa8:ffda
Decimal
2728:65498

What is this device?

This is the USB identifier for a iMON_VFD manufactured by TriGem Computer, Inc.. The vendor ID 0aa8 is registered to TriGem Computer, Inc. with the USB Implementers Forum, and ffda is the product ID that TriGem Computer, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 0aa8:ffda TriGem Computer, Inc. iMON_VFD.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 0aa8:ffda TriGem Computer, Inc. iMON_VFD

You can filter directly with lsusb -d 0aa8:ffda, or get the full descriptor dump with lsusb -v -d 0aa8:ffda. Kernel messages from dmesg show the same pair as idVendor=0aa8, idProduct=ffda.

Windows

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

USB\VID_0AA8&PID_FFDA
USB\VID_0AA8&PID_FFDA&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0AA8&PID_FFDA"

macOS

$ system_profiler SPUSBDataType
    iMON_VFD:
      Product ID: 0xffda
      Vendor ID: 0x0aa8  (TriGem Computer, 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:

0aa8  TriGem Computer, Inc.
	ffda  iMON_VFD

More from TriGem Computer, Inc.