TITLE: HP Compaq Business Desktop System BIOS (786F2 BIOS) VERSION: 1.59 Rev. A DESCRIPTION: This package contains utilities that can be used to restore or update the system BIOS on the supported desktop models with a 786F2 BIOS. Several methods for changing the BIOS version may be chosen. Included in this package are the following methods: - Use the DOS utility with a preboot execution environment (PXE) management application to locally update or restore the system BIOS. - Use HPQFlash to upgrade the BIOS directly in a Microsoft Windows environment. - Create a CD image to upgrade/restore system BIOS. WARNING: After installing this BIOS version onto the system, prior BIOS versions cannot be installed onto the system. PURPOSE: Critical SOFTPAQ NUMBER: SP53609 SUPERSEDES: SP42994 EFFECTIVE DATE: July 27, 2011 CATEGORY: BIOS SSM SUPPORTED: Yes PRODUCT TYPE(S): Desktops HARDWARE PRODUCT MODEL(S): HP Compaq dc5800 Microtower PC: All Models HP Compaq dc5800 Small Form Factor PC: All Models SOFTWARE PRODUCT(S): None OPERATING SYSTEM(S): Microsoft Windows 2000 Microsoft Windows Vista Business 32 Edition Microsoft Windows Vista Business 64 Edition Microsoft Windows Vista Enterprise 32 Edition Microsoft Windows Vista Enterprise 64 Edition Microsoft Windows Vista Home Basic 32 Edition Microsoft Windows Vista Home Basic 64 Edition Microsoft Windows Vista Home Premium 32 Edition Microsoft Windows Vista Home Premium 64 Edition Microsoft Windows Vista Ultimate 32 Edition Microsoft Windows Vista Ultimate 64 Edition Microsoft Windows XP Home Edition Microsoft Windows XP Professional LANGUAGE(S): Arabic Brazilian Portuguese Chinese(PRC Simplified) Czech Danish Dutch Finnish French German Greek Hebrew Hongkong Hungarian Italian Japanese Korean Norwegian Polish Portuguese Russian Spanish Swedish Taiwanese Chinese Turkish US English ENHANCEMENTS: - Improves security of the BIOS flashing process under certain circumstances by adding a stronger flash process verification algorithm. PREREQUISITES: None INSTALLATION INSTRUCTIONS: 1. Download the file by clicking the "Download" or "Obtain Software" button and saving the file to a folder on your hard drive (make a note of the folder where the downloaded file is saved). 2. Double-click the downloaded file and follow the on-screen instructions. Copyright (c) 2011 Hewlett-Packard Development Company, L.P.