=====================================================================

AST RESEARCH, INC.         SOFTWARE BULLETIN # 0253          10/01/96

=====================================================================

TITLE:  Crystal CS4232 Drivers Windows NT v1.20
FILENAME(S) / PART NUMBER(S) / DESCRIPTION(S):
   12454034.EXE / 912454-034
   Crystal CS4232 Drivers Windows NT v1.20 

SUMMARY

   File 12454034.EXE contains version 1.20, disk 1 of 1 of the 
   Crystal CS4232 audio driver for Windows NT.
   
   This driver update applies to all AST systems using the Crystal 
   CS4232 chipset.

   
RESOLUTIONS

   N/A   


ENHANCEMENTS

   Added support for Windows NT 4.0.   


PREVIOUS RELEASE(S)

   Version 1.11 contained the following resolutions:
   
   Fixed the problem of not being able to boot Windows NT.
   
   Fixed a problem when Recording and playing a wave file 
   simultaneously while in Enhanced Duplex mode. The sample rates 
   must be different and conform to the enhanced duplex rules. To 
   cause Windows NT to fail, the user continuously hits rewind on 
   the sound recorder and Windows NT blue screen will be generated 
   resulting in the OS halting.
   
   Fixed the three-second delay when recording in enhanced full 
   duplex.
   
   Fixed system hang when selecting I/O 604.
   
   Fixed problem with Master Volume Control not virtualizing the 
   other sliders correctly.
   
   Windows NT FM Volume set to max to fix faint FM issue.
   
   Fixed Master Volume Mute not working.
   
   Fixed the pause when recording and turning VU meter OFF.
   
   
   Version 1.11 contained the following enhancements:
   
   Added Master Volume Control to the Mixer Panel.
   
   Updated the Help files.
   
   Microcode Version added to Mixer about panel.
   
   Microcode now loads from CWAUDIO.BIN.
   
   "Always on top" and Applet positions are now saved.


NOTES

   General Information:
   
   Installing CS4232/CS4236 drivers over CS4231 drivers has been 
   known to cause problems. Please remove the CS31BA11 driver using 
   the Control Panel and then restart Windows NT before adding the 
   CS32BA11 driver.

   For information on installing this update, please view the 
   README.TXT file that accompanies the update.

   You can download this file from the following services:

   AST WWW Site:  http://www.ast.com
   AST On-Line! BBS*:  See IB0001.TXT
   CompuServe:  GO: ASTFORUM
   Prodigy: Jump: astsupport

   * Refer to IB0001.TXT for a list of AST's international BBS 
     numbers.

   To decompress this file, create a temporary directory on your
   hard drive, copy the downloaded file to that directory, and run
   the file. 

TAN N/A

---------------------------------------------------------------------
The information in this data sheet is subject to change without 
notice. AST Research, Inc. shall not be liable for technical or 
editorial errors or omissions contained herein; nor for incidental or 
consequential damages resulting from the furnishing, performance, 
or use of this material. This material contains information protected
by copyright. No part of this material may be reproduced in any form
without prior written consent from AST Research, Inc. 
All rights reserved.
---------------------------------------------------------------------