Applicable Models

This information is for the following models:
  • VGN-Z46MD
  • VGN-Z45GD
  • VGN-Z35TN
  • VGN-Z36MD
  • VGN-Z47GD
  • VGN-Z46TD
  • VGN-Z45TD
  • VGN-Z36SD
  • VGN-Z48TD
  • VGN-Z46SD
  • VGN-Z46GD
  • VGN-Z48GD
  • VGN-Z36GD
  • VGN-Z36TD
  • VGN-Z37GD

About this download

This program will upgrade BIOS to version R4041M3 and resolve the following symptom:
- Intel Virtualization Technology setting is added in BIOS Setup.
NOTE: The system incompatible with VT as the hardware does not show VT settings even after upgrading the BIOS.

Available Downloads:
BIOS Sustaining Ver R4041M3
File name: EP0000209811.exe
File size: 4.25 MB (4,462,496 bytes)

File Info

File Name

  • To install BIOS Sustaining Ver R4041M3

File Version

  • R4041M3

File Size

  • 4.25MB

Release Date

  • 2009-10-07

System Requirements

  • Windows Vista SP2 64bit
  • Windows Vista SP2 32bit
  • Windows XP



1. Download the file to a temporary or download directory (Please note this directory for reference later).
2. Go to the directory where the file was downloaded and double-click EP0000209811.exe.
3. Follow the instructions displayed in the installation wizard.
4. After installation is completed, please restart the computer.

To check if the updating is successful
1. Click Start -> Click All Programs -> Select VAIO Control Center -> Select System Information.
2. Check the BIOS Version if it is R4041M3.