04d8:f5fe — TrueRNG
Microchip Technology, Inc.
- Vendor ID
- 04d8
- Product ID
- f5fe
- Combined
- 04d8:f5fe
- Decimal
- 1240:62974
What is this device?
This is the USB identifier for a TrueRNG manufactured by Microchip Technology, Inc.. The vendor ID 04d8 is registered to Microchip Technology, Inc. with the USB Implementers Forum, and f5fe is the product ID that Microchip Technology, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 04d8:f5fe Microchip Technology, Inc. TrueRNG.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 04d8:f5fe Microchip Technology, Inc. TrueRNG
You can filter directly with lsusb -d 04d8:f5fe, or get the full descriptor dump with lsusb -v -d 04d8:f5fe. Kernel messages from dmesg show the same pair as idVendor=04d8, idProduct=f5fe.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_04D8&PID_F5FE USB\VID_04D8&PID_F5FE&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04D8&PID_F5FE"
macOS
$ system_profiler SPUSBDataType
TrueRNG:
Product ID: 0xf5fe
Vendor ID: 0x04d8 (Microchip 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:
04d8 Microchip Technology, Inc. f5fe TrueRNG