TITLE: Microsoft Windows XP Pro x64 Universal Audio Architecture Update 
(KB901105)

VERSION: 1.00 Rev. A
DESCRIPTION:
This package contains a fix for the Intel High Definition Audio in the listed 
workstation models running the Microsoft Windows XP Professional x64 Edition 
Operating System. This fix provides a new driver to correct an issue where the 
Intel High Definition Audio may unexpectedly stop working.

For more information about this issue, refer to Microsoft KnowledgeBase Article 
901105, ''Update for Windows XP x64 Edition.''
PURPOSE: Critical
SOFTPAQ NUMBER: SP31050
SUPERSEDES: None
EFFECTIVE DATE: August 3, 2005
CATEGORY: Operating System - Enhancements and QFEs
SSM SUPPORTED: Yes

PRODUCT TYPE(S):
Workstations

PRODUCT MODEL(S):
HP xw4300 Workstation: All Models

OPERATING SYSTEM(S): 
Windows XP Professional x64 Edition

LANGUAGE(S): 
Global

ENHANCEMENTS: 
N/A

PREREQUISITES: 
- The Hdaudbus.sys driver file, version 5.10.1.5012, must be installed in order 
to apply this update. This driver file is only installed if the workstation is 
configured with an Intel High Definition Audio Device.

HOW TO USE: 
1. Download the SoftPaq .EXE file to a directory on your hard drive.

2. Execute the downloaded file and follow the on-screen instructions.

3. After applying the update, you must restart the workstation.



Copyright (c) 2005 Hewlett-Packard Development Company, L.P.