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 
supported 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."  

This is not needed if running Service Pack 2. 

PURPOSE: Critical
SOFTPAQ NUMBER: SP31050
SUPERSEDES: None
EFFECTIVE DATE: April 25, 2007
CATEGORY: Operating System - Enhancements and QFEs
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 XP Professional x64 Edition

LANGUAGE(S): 
Global

ENHANCEMENTS: 
- Adds support for new workstation model.

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.

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.

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


Copyright (c) 2005-2007 Hewlett-Packard Development Company, L.P.