a108:4775 — JZ4775 Boot Device

This is the USB identifier for a JZ4775 Boot Device manufactured by Ingenic Semiconductor Co.,Ltd. The vendor ID a108 is registered to Ingenic Semiconductor Co.,Ltd with the USB Implementers Forum, and 4775 is the product ID that Ingenic Semiconductor Co.,Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as a108:4775 Ingenic Semiconductor Co.,Ltd JZ4775 Boot Device.

Linux

$ lsusb
Bus 001 Device 004: ID a108:4775 Ingenic Semiconductor Co.,Ltd JZ4775 Boot Device

You can filter directly with lsusb -d a108:4775, or get the full descriptor dump with lsusb -v -d a108:4775. Kernel messages from dmesg show the same pair as idVendor=a108, idProduct=4775.

Windows

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

USB\VID_A108&PID_4775
USB\VID_A108&PID_4775&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_A108&PID_4775"

macOS

$ system_profiler SPUSBDataType
    JZ4775 Boot Device:
      Product ID: 0x4775
      Vendor ID: 0xa108  (Ingenic Semiconductor Co.,Ltd)

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.

The exact lines this page is generated from, in the upstream source file:

a108  Ingenic Semiconductor Co.,Ltd
	4775  JZ4775 Boot Device

• a108:1000 X1000

See all 2 devices from Ingenic Semiconductor Co.,Ltd →