0644:8021 — TASCAM US-122mkII
TEAC Corp.
- Vendor ID
- 0644
- Product ID
- 8021
- Combined
- 0644:8021
- Decimal
- 1604:32801
What is this device?
This is the USB identifier for a TASCAM US-122mkII manufactured by TEAC Corp.. The vendor ID 0644 is registered to TEAC Corp. with the USB Implementers Forum, and 8021 is the product ID that TEAC Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 0644:8021 TEAC Corp. TASCAM US-122mkII.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 0644:8021 TEAC Corp. TASCAM US-122mkII
You can filter directly with lsusb -d 0644:8021, or get the full descriptor dump with lsusb -v -d 0644:8021. Kernel messages from dmesg show the same pair as idVendor=0644, idProduct=8021.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_0644&PID_8021 USB\VID_0644&PID_8021&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0644&PID_8021"
macOS
$ system_profiler SPUSBDataType
TASCAM US-122mkII:
Product ID: 0x8021
Vendor ID: 0x0644 (TEAC 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:
0644 TEAC Corp. 8021 TASCAM US-122mkII