Applicable Models

This information is for the following models:
  • VGN-SZ43MN
  • VGN-SZ47SN
  • VGN-SZ48MN
  • VGN-SZ44GN
  • VGN-SZ48TN
  • VGN-SZ43GN
  • VGN-SZ46TN
  • VGN-SZ45SN
  • VGN-SZ48GN
  • VGN-SZ42SN
  • VGN-SZ43TN

About this download

This program will upgrade BIOS to Ver.R0112N0 and the following improvements are available in this upgrade version.
1. Security function of the fingerprint sensor.

2. Recovery key is always required with BitLocker enabled.

Available Downloads:
BIOS Update Program Ver.R0112N0
File name: PHBSYS-01041232-UN.exe
File size: 1.11 MB (1,165,008 bytes)



File Info

File Name

  • To install BIOS Update Program Ver.R0112N0

File Version

  • R0112N0

File Size

  • 1.11MB

Release Date

  • 2007-04-19

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. 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 PHBSYS-01041232-UN.exe.

3. Follow the instructions displayed in the installation wizard.

4. After installation is completed, please restart the computer.

5. Please load default BIOS setting values after updating.

To check if the updating is successful

 1. Press F2 while booting and enter BIOS setup.

 2. Enter BIOS setup and check that the BIOS Version is (R0063N2).