0a4d:0091 — Keystation 61es Driver
Evolution Electronics, Ltd
- Vendor ID
- 0a4d
- Product ID
- 0091
- Combined
- 0a4d:0091
- Decimal
- 2637:145
What is this device?
This is the USB identifier for a Keystation 61es Driver manufactured by Evolution Electronics, Ltd. The vendor ID 0a4d is registered to Evolution Electronics, Ltd with the USB Implementers Forum, and 0091 is the product ID that Evolution Electronics, Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 0a4d:0091 Evolution Electronics, Ltd Keystation 61es Driver.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 0a4d:0091 Evolution Electronics, Ltd Keystation 61es Driver
You can filter directly with lsusb -d 0a4d:0091, or get the full descriptor dump with lsusb -v -d 0a4d:0091. Kernel messages from dmesg show the same pair as idVendor=0a4d, idProduct=0091.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_0A4D&PID_0091 USB\VID_0A4D&PID_0091&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0A4D&PID_0091"
macOS
$ system_profiler SPUSBDataType
Keystation 61es Driver:
Product ID: 0x0091
Vendor ID: 0x0a4d (Evolution Electronics, 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:
0a4d Evolution Electronics, Ltd 0091 Keystation 61es Driver