0402:5621 — M5621 High-Speed IDE Controller

ALi Corp.

Vendor ID: 0402
Product ID: 5621
Combined: 0402:5621
Decimal: 1026:22049

What is this device?

This is the USB identifier for a M5621 High-Speed IDE Controller manufactured by ALi Corp.. The vendor ID 0402 is registered to ALi Corp. with the USB Implementers Forum, and 5621 is the product ID that ALi Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 0402:5621 ALi Corp. M5621 High-Speed IDE Controller.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 0402:5621 ALi Corp. M5621 High-Speed IDE Controller

You can filter directly with lsusb -d 0402:5621, or get the full descriptor dump with lsusb -v -d 0402:5621. Kernel messages from dmesg show the same pair as idVendor=0402, idProduct=5621.

Windows

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

USB\VID_0402&PID_5621
USB\VID_0402&PID_5621&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0402&PID_5621"

macOS

$ system_profiler SPUSBDataType
    M5621 High-Speed IDE Controller:
      Product ID: 0x5621
      Vendor ID: 0x0402  (ALi 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:

0402  ALi Corp.
	5621  M5621 High-Speed IDE Controller

More from ALi Corp.

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