About this download

This program will upgrade Audio Driver to Ver.6.10.5511.1 and resolve the following symptom:
1. Vista Service Pack1 is not listed on the Windows Update module list when using the old audio driver.

Available Downloads:
Audio Driver Update Program Version 6.10.5511.1
File name: EP0000156866.exe
File size: 4.86 MB (5,106,408 bytes)

File Info

File Name

  • To install Audio Driver Update Program Version 6.10.5511.1

File Version

  • 6.10.5511.1

File Size

  • 4.86MB

Release Date

  • 2008-07-28

System Requirements

  • Windows Vista SP2 32bit


IMPORTANT: Before proceeding with the upgrade, disconnect all external hardware devices, including PC Cards etc.
Note: Before proceeding, ensure that the VAIO computer is operated using the supplied AC adapter.
Note: Save all data/files and close all running programs.



1. Uninstall the current audio driver and restart the unit again.
2. Download the file to a temporary or download directory (Please note this directory for reference later).
3. Go to the directory where the file was downloaded and double-click EP0000156866.exe.
4. Follow the instructions displayed in the installation wizard.
5.  After installation is completed, please restart the computer.

To check if the updating is successful
1. Start Device Manager and double-click SigmaTel High Definition Audio CODEC.
2. Click the Driver tab.
3. Check that the driver version is 6.10.5511.1.