078c:0090 — Tablet Adapter
GTCO/CalComp
- Vendor ID
- 078c
- Product ID
- 0090
- Combined
- 078c:0090
- Decimal
- 1932:144
What is this device?
This is the USB identifier for a Tablet Adapter manufactured by GTCO/CalComp. The vendor ID 078c is registered to GTCO/CalComp with the USB Implementers Forum, and 0090 is the product ID that GTCO/CalComp assigned to this particular model. When you run lsusb on Linux, this device appears as 078c:0090 GTCO/CalComp Tablet Adapter.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 078c:0090 GTCO/CalComp Tablet Adapter
You can filter directly with lsusb -d 078c:0090, or get the full descriptor dump with lsusb -v -d 078c:0090. Kernel messages from dmesg show the same pair as idVendor=078c, idProduct=0090.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_078C&PID_0090 USB\VID_078C&PID_0090&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_078C&PID_0090"
macOS
$ system_profiler SPUSBDataType
Tablet Adapter:
Product ID: 0x0090
Vendor ID: 0x078c (GTCO/CalComp)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:
078c GTCO/CalComp 0090 Tablet Adapter