1. Download the PHA5U01NKP.EXE file to a temporary or download directory (please note this directory for reference).
2. Go to the directory where the file was downloaded and double-click the PHA5U01NKP.EXE file to begin the installation.
3. At the "BIOS Update Disk - InstallShield Wizard" box, click Next. Several setup boxes may briefly appear as the files are extracted and the computer model is identified. As these processes complete, the boxes will close automatically.
4. At the "Information" window, insert a blank 3½ floppy diskette to the floppy disk drive (A:) and click OK. Please wait as the files are copied to the floppy diskette.
5. At the "InstallShield Wizard Complete" screen, please leave the floppy diskette in its drive, select "Yes, I want to restart my computer now" and click Finish. After the computer system restarts from the floppy diskette, the BIOS will be installed automatically. Please wait.
6. After the computer system shuts down automatically, remove the floppy diskette from the floppy disk drive.
7. Press the power on button to restart the computer system.
8. During the computer restart, press the F2 key when the SONY logo is displayed.
9. At the "PhoenixBIOS Setup Utility" screen, press the ESC key.
10. From the "Exit" menu, press the DOWN ARROW key until "Get Default Values" is highlighted.
11. Press ENTER.
12. At the "Setup Confirmation" box, select Yes and press ENTER.
13. From the "Exit" menu, verify "Exit (Save Changes)" is highlighted and press ENTER.
14. At the "Setup Confirmation" box, select Yes and press ENTER.

After the computer restarts, the installation of the BIOS version R0205U0 is complete.

This utility will reinstall the BIOS for the operating system that was originally installed on the computer, either the Microsoft® Windows® Millennium Edition (Me) or the Microsoft® Windows® 2000 Professional operating system. This program is only for use with computers that have the original operating system installed.

• Before installing this update, be sure the computer is running from AC power. If the installation of the BIOS is interrupted by power loss, the computer may not operate correctly or at all!
• Please have a bootable floppy diskette available before proceeding to this BIOS update. Bootable floppy diskette can be created by formatting a blank diskette with the "Create an MS-DOS startup disk" option enabled. For additional assistance, please see Creating a Bootable Floppy Disk
• For Windows 2000 computers only: During the installation of this update, be sure that you are logged in as the Administrator or as a user with Administrative rights.
• To ensure that no other program interferes with the installation, save all work and close all other programs. The Taskbar should be clear of applications before proceeding.
• It is highly recommended to print out these instructions as a reference during the installation process.