Applicable Models

This information is for the following models:
  • VGN-P25G
  • VGN-P23T
  • VGN-P23G
  • VGN-P15T
  • VGN-P13GH
  • VGN-P25T
  • VGN-P13TH
  • VGN-P15G

About this download

This program will update BIOS Sustaining U3a to version R2073U3 and the following improvements are available: 

- The CPU Performance setting has been optimized.


Available Downloads:

BIOS Sustaining U3a version R2073U3

File name: EP0000600112.exe

File size: 5.71 MB (5980664 bytes)

File Info

File Name

  • To install BIOS Update version R2073U3

File Version

  • R2073U3

File Size

  • 5.71 MB

Release Date

  • 2010-03-17

System Requirements

  • Windows 7 32bit
  • Windows XP
  • Windows Vista SP2 32bit



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 EP0000600112.exe.
3. Follow the instructions displayed in the installation wizard.
4. After installation is completed, please restart the computer


To check if installation is successful:

1. Open VAIO Control Center -> System Information
2. Confirm BIOS Version is R2073U3