Flash BIOS update - bootable diskette version for ThinkCentre A35 (type 8139) systems Version F4B Installation README This package updates the basic input/output system (BIOS) on ThinkCentre A35 (type 8139) systems. BIOS is programming that controls low-level hardware operations, including interactions with diskette drives, hard disk drives, and the keyboard. The BIOS is stored on a chip. Your computer uses flash BIOS, which can be updated through a program on a flash diskette so that you do not have to replace the BIOS chip to update the BIOS. Note: Make note of any settings you have changed in the BIOS Configuration Utility. These settings may have to be re-entered after updating the BIOS. Print this file so that you can refer to it during the installation. Downloading the update ---------------------- 1. Click the file link to download the file from the web page. 2. When prompted, select a drive and directory in which to save the downloaded file, be sure to select a path that does not have a space in it's name. Extracting the update --------------------- Installing this update involves creating a BIOS flash diskette and running the flash program from the diskette. Before you begin, have a blank 1.44 MB diskette ready. 1. Click Start, select Find or Search, then click Files and Folders. 2. Insert a blank 1.44MB floppy diskette into the diskette drive. 3. Type a35biosf4b.exe in the search field, then click Find Now. This will locate the file you just downloaded. 4. Double-click the a35biosf4b.exe icon. 5. Follow the onscreen prompts. All the necessary files will be extracted to the diskette. Installing the update --------------------- 1. Close all open applications. 2. Leave the diskette in the A: drive, and shut down and restart the computer to start the BIOS flash program. 3. The Flash BIOS update utility will appear onscreen. 4. Do not turn off the system during this process, wait until you see a message stating that the update has been completed successfully. 5. When complete the system will automatically reboot 6. Remove the diskette during the reboot. Flash Changes ------------- General Information: BIOS File: 8S661IBM.Fxx Changes: F4B - Fixes a problem with Wake On LAN (AOL) that occurs when in power states S3 and S4 F4A - Fixes a problem with the fan speed F4 - Initial Production Release Trademarks ---------- ThinkCentre is a trademark of the Lenovo Corporation in the United States, other countries, or both. Microsoft and Windows are trademarks of Microsoft Corporation in the United States, other countries, or both. Other company, product, and service names may be trademarks or service marks of others. THIS DOCUMENT IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IBM DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE AND MERCHANTABILITY WITH RESPECT TO THE INFORMATION IN THIS DOCUMENT. BY FURNISHING THIS DOCUMENT, IBM GRANTS NO LICENSES TO ANY PATENTS OR COPYRIGHTS. (C) Copyright Lenovo Corporation 2005. All rights reserved.