Applicable Models

This information is for the following models:
  • PCG-K66P
  • PCG-K64S
  • PCG-K64
  • PCG-K66SP

About this download

BIOS Upgrade
* This BIOS firmware will resolve the following symptom:
1. Machine cannot resume from standby mode when pressing the keyboard or the power button while the machine is in DC mode.

Available downloads
WinPhlash Program
File name: WinPhlash.exe
File size: 2.67 MB (2,801,664 bytes)

BIOS Upgrade
File name: R0107X1.WPH
File size: 513 KB (525,894 bytes)

File Info

File Name

  • WinPhlash Program

File Size

  • 2.67MB

Release Date

  • 2005-01-22

System Requirements

  • Windows XP


IMPORTANT: Before proceeding with the upgrade, disconnect all external hardware devices, including PC Cards.
NOTE: Before proceeding, ensure that the VAIO computer is operated using the supplied AC adapter.



1. Download the file to a temporary or download directory (please note this directory for reference). Go to the directory where the file was downloaded and double-click the file to begin files extraction.

2. In the folder, double-click Setup.exe. Select the desired language and click OK.

3. When the Welcome page appears, click Next.

4. When the Software License Agreement page appears, click Yes to accept.

5. Choose the Destination Location to install WinPhlash and click Next thrice.

6. Click Finish to complete the setup.