TITLE: Realtek High Definition Audio Driver (32-bit/64-bit) VERSION: 1.54 Rev. A DESCRIPTION: This package contains the Realtek High Definition Audio Driver (32-bit and 64-bit) for the listed workstation models running the listed Microsoft Windows XP and Microsoft Windows Vista Operating Systems (32-bit and 64-bit). PURPOSE: Routine SOFTPAQ NUMBER: SP34486 SUPERSEDES: SP33301 EFFECTIVE DATE: February 16, 2007 CATEGORY: Driver - Audio SSM SUPPORTED: No PRODUCT TYPE(S): Workstations HARDWARE PRODUCT MODEL(S): HP xw4300 Workstation: All Models HP xw4400 Workstation: All Models HP xw6400 Workstation: All Models HP xw8400 Workstation: All Models HP xw9400 Workstation: All Models SOFTWARE PRODUCT(S): None OPERATING SYSTEM(S): Microsoft Windows Vista Business 32 Edition Microsoft Windows Vista Business 64 Edition Microsoft Windows XP Professional Microsoft Windows XP Professional x64 Edition LANGUAGE(S): Global ENHANCEMENTS: - Provides the latest version of the Realtek High Definition Audio Driver (32-bit and 64-bit). PREREQUISITES: For Workstations running a Microsoft Windows XP Operating System: - The Microsoft Universal Audio Architecture (UAA) driver must be installed before installing the audio driver in this SoftPaq. The Microsoft UAA driver is operating system specific and is available in the following HP SoftPaqs: * For Microsoft Windows XP Operating System (32-bit), install SoftPaq Number SP31069 (or later). * For Microsoft Windows XP Operating System (64-bit), install SoftPaq Number SP31050 (or later). For Workstations running a Microsoft Windows Vista Operating System: - There are no prerequisites. INSTALLATION INSTRUCTIONS: 1. Download the SoftPaq .EXE file to a directory on your hard drive. 2. Execute the downloaded file and follow the on-screen instructions. Copyright (c) 2007 Hewlett-Packard Development Company, L.P.