1209:ca1d — KnightOS MTP Device
Generic
- Vendor ID
- 1209
- Product ID
- ca1d
- Combined
- 1209:ca1d
- Decimal
- 4617:51741
What is this device?
This is the USB identifier for a KnightOS MTP Device manufactured by Generic. The vendor ID 1209 is registered to Generic with the USB Implementers Forum, and ca1d is the product ID that Generic assigned to this particular model. When you run lsusb on Linux, this device appears as 1209:ca1d Generic KnightOS MTP Device.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 1209:ca1d Generic KnightOS MTP Device
You can filter directly with lsusb -d 1209:ca1d, or get the full descriptor dump with lsusb -v -d 1209:ca1d. Kernel messages from dmesg show the same pair as idVendor=1209, idProduct=ca1d.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_1209&PID_CA1D USB\VID_1209&PID_CA1D&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_1209&PID_CA1D"
macOS
$ system_profiler SPUSBDataType
KnightOS MTP Device:
Product ID: 0xca1d
Vendor ID: 0x1209 (Generic)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:
1209 Generic ca1d KnightOS MTP Device