0423:0101 — UPA USBTracer
Computer Access Technology Corp.
- Vendor ID
- 0423
- Product ID
- 0101
- Combined
- 0423:0101
- Decimal
- 1059:257
What is this device?
This is the USB identifier for a UPA USBTracer manufactured by Computer Access Technology Corp.. The vendor ID 0423 is registered to Computer Access Technology Corp. with the USB Implementers Forum, and 0101 is the product ID that Computer Access Technology Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 0423:0101 Computer Access Technology Corp. UPA USBTracer.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 0423:0101 Computer Access Technology Corp. UPA USBTracer
You can filter directly with lsusb -d 0423:0101, or get the full descriptor dump with lsusb -v -d 0423:0101. Kernel messages from dmesg show the same pair as idVendor=0423, idProduct=0101.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_0423&PID_0101 USB\VID_0423&PID_0101&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0423&PID_0101"
macOS
$ system_profiler SPUSBDataType
UPA USBTracer:
Product ID: 0x0101
Vendor ID: 0x0423 (Computer Access Technology Corp.)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:
0423 Computer Access Technology Corp. 0101 UPA USBTracer