0557:2004 — UC-100KM PS/2 Mouse and Keyboard adapter
ATEN International Co., Ltd
- Vendor ID
- 0557
- Product ID
- 2004
- Combined
- 0557:2004
- Decimal
- 1367:8196
What is this device?
This is the USB identifier for a UC-100KM PS/2 Mouse and Keyboard adapter manufactured by ATEN International Co., Ltd. The vendor ID 0557 is registered to ATEN International Co., Ltd with the USB Implementers Forum, and 2004 is the product ID that ATEN International Co., Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 0557:2004 ATEN International Co., Ltd UC-100KM PS/2 Mouse and Keyboard adapter.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 0557:2004 ATEN International Co., Ltd UC-100KM PS/2 Mouse and Keyboard adapter
You can filter directly with lsusb -d 0557:2004, or get the full descriptor dump with lsusb -v -d 0557:2004. Kernel messages from dmesg show the same pair as idVendor=0557, idProduct=2004.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_0557&PID_2004 USB\VID_0557&PID_2004&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0557&PID_2004"
macOS
$ system_profiler SPUSBDataType
UC-100KM PS/2 Mouse and Keyboard adapter:
Product ID: 0x2004
Vendor ID: 0x0557 (ATEN International Co., Ltd)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:
0557 ATEN International Co., Ltd 2004 UC-100KM PS/2 Mouse and Keyboard adapter