06a8:0042 — SignatureGem 1X5 Pad

This is the USB identifier for a SignatureGem 1X5 Pad manufactured by Topaz Systems, Inc.. The vendor ID 06a8 is registered to Topaz Systems, Inc. with the USB Implementers Forum, and 0042 is the product ID that Topaz Systems, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 06a8:0042 Topaz Systems, Inc. SignatureGem 1X5 Pad.

Linux

$ lsusb
Bus 001 Device 004: ID 06a8:0042 Topaz Systems, Inc. SignatureGem 1X5 Pad

You can filter directly with lsusb -d 06a8:0042, or get the full descriptor dump with lsusb -v -d 06a8:0042. Kernel messages from dmesg show the same pair as idVendor=06a8, idProduct=0042.

Windows

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

USB\VID_06A8&PID_0042
USB\VID_06A8&PID_0042&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_06A8&PID_0042"

macOS

$ system_profiler SPUSBDataType
    SignatureGem 1X5 Pad:
      Product ID: 0x0042
      Vendor ID: 0x06a8  (Topaz Systems, Inc.)

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.

The exact lines this page is generated from, in the upstream source file:

06a8  Topaz Systems, Inc.
	0042  SignatureGem 1X5 Pad

• 06a8:0043 SignatureGem 1X5-HID Pad

See all 2 devices from Topaz Systems, Inc. →