058f:6377 AU6375 4-LUN card reader

Alcor Micro Corp.

Vendor ID
058f
Product ID
6377
Combined
058f:6377
Decimal
1423:25463

What is this device?

This is the USB identifier for a AU6375 4-LUN card reader manufactured by Alcor Micro Corp.. The vendor ID 058f is registered to Alcor Micro Corp. with the USB Implementers Forum, and 6377 is the product ID that Alcor Micro Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 058f:6377 Alcor Micro Corp. AU6375 4-LUN card reader.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 058f:6377 Alcor Micro Corp. AU6375 4-LUN card reader

You can filter directly with lsusb -d 058f:6377, or get the full descriptor dump with lsusb -v -d 058f:6377. Kernel messages from dmesg show the same pair as idVendor=058f, idProduct=6377.

Windows

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

USB\VID_058F&PID_6377
USB\VID_058F&PID_6377&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_058F&PID_6377"

macOS

$ system_profiler SPUSBDataType
    AU6375 4-LUN card reader:
      Product ID: 0x6377
      Vendor ID: 0x058f  (Alcor Micro 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:

058f  Alcor Micro Corp.
	6377  AU6375 4-LUN card reader

More from Alcor Micro Corp.