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BIOS - R2100V2 (32bit)

What is this?
BIOS stands for Basic Input/Output System.
It refers to a piece of firmware which is run when powered on. Its primary functions are to identify and initiate component hardware, and to prepare the computer so that other programs can load.

What does it fix?
Improved fan speed management under Windows XP.

Manual installation instructions
1. Exit all running programs.
2. Download this update and save it to your hard drive.
3. When the download is completed, locate the downloaded file in the location you specified.
4. Double-click EP0000259389.exe to run it.
5. Wait while the wizard updates your software.
6. When the installation is complete, restart the VAIO.

File Info

File Name

  • EP0000259389.exe

File architecture

  • 32 bit

File Size

  • 2.56 Mb

Release Date

  • 12-10-2011
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