How to upgrade audio driver on Windows for BCX11 and BCX12

  • Document NO.


  • Category

  • Rev.


  • Update Date


Model Name



Since audio codec change from ALC5645 to ALC5672, the audio driver needs to upgrade to v10.0.10586.4511, so make some steps for audio driver upgrade.


Model: OFT-07W01
M/B: BCX12
Operating System: Windows 10 IoT Enterprise 2016 LTSB 32bit
Original Audio Driver Version: 10.0.10586.4445 (Driver Package v1.2)
New Audio Driver Version: 10.0.10586.4511 (Driver Package v1.3)

How to check audio codec for BCX11 and BCX12

Before start to upgrade audio driver, if you need to check the audio codec model, please refer to the steps below.

Step 1: Device Management.
Step 2: Select Realtek I2S Audio Codec and mouse right click to open Properties.
Step 3: Details > Property: Hardware Ids, to check the number after DEV.

  • (The example below is ALC5645)

How to upgrade driver for BCX11 and BCX12

  • 1. Device Manager > Realtek I2S Audio Codec > Properties
  • 2. Update Driver.
  • 3. Browse my computer from driver software.
  • 4. To select the patch for new audio driver folder.
  • 5. Click Install.
  • 6. Then it will jump the system settings change notice and ask to restart operating system.
  • 7. After the operating system restarts, please check whether the driver version has been upgraded.