ReadMe.txt Driver File Contents (8233ac97.zip)

  --------------------------------------------------------------------------
                 Copyright (c) 1998-2004 VIA Technologies Inc.             
                                                                           
            VT82C686A/VT82C686B/VT8231/VT8233/VT8233A/VT8233B/VT8235/VT8237       
                             and Intel ICH2/ICH3/ICH4/ICH5
                             and SiS South Bridge
                          Audio Device Driver ReadMe.txt                   
                                     for                                   
                  DOS/Win98/Win98SE/Win40/Win2000/WinME/WinXP              
                                                                           
      This readme file is to provide the information for installing and 
      uninstalling "VIA AC'97 PCI Audio Device" , "VIA AC'97 PCI Enhanced 
      Audio Device" and "VIA AC'97 Audio Codec" (for 3rd party controller) 
      drivers.  VIA Technologies assumes no responsibility for any errors
      in this document and no part of this document may be reproduced, 
      transmitted, or translated into any language, or in any form without 
      the prior written permission of VIA Technologies Incorporated.

 	             Package Version 5.10b / ReadMe Version 5.10b
  --------------------------------------------------------------------------
      VT82C686A/VT82C686B/VT8231 (68) family south bridges are named as
                      "VIA AC'97 PCI Audio Device"
      VT8233/VT8233A/VT8233B/VT8235/VT8237 (74) family south bridges are named as
                    "VIA AC'97 PCI Enhanced Audio Device"
      Intel ICH2/ICH3/ICH4 family south bridges that MUST also use VIA codec
       (VT1616/VT1617/VT1612/VT1613) are named as "VIA AC'97 Audio Codec"
      SiS family south bridges that MUST also use VIA codec
       (VT1616/VT1617/VT1612/VT1613) are named as "VIA AC'97 Audio Codec"

                                CONTENTS
                        ========================
1)  Recommended Hardware
2)  System Requirements
3)  Package Version Identification
4)  Distribution Package Contents
5)  DOS (VT82C686A/VT82C686B/VT8231 only)
6)  Windows 95/98 (VxD) Driver
7)  Windows 98 SE (WDM) Driver
8)  Windows 2000/XP/2003 Driver
9)  Windows ME Driver
10) Windows NT 4.0 Driver
11) OS/2 Driver (VT82C686A/VT82C686B/VT8231 only)
                        ========================

1) Recommended Hardware
   
   Minimum system specifications of Pentium II 266 MHz CPU, or Pentium 200 MHz
   CPU, or AMD K6-2 200MHz, or any VIA CPUs. 32 MB RAM are recommended to ensure
   sound quality.


2) System Requirements

   This package can be installed for the Audio function with any of the VIA 
   South Bridge chips.

   This driver package supports drivers on the following Operation Systems:

        Operation System                Version             
     ------------------------------------------------------------------------
        DOS*                            6.22
        Windows 95                      4.00.950 or above
        Windows 98                      4.10.1998 or above
	Windows NT 3.51
        Windows NT 4.0                  Service Pack 4 ,build 1381
        Windows 2000                    RTM or above
        Windows ME                      RC1 or above
        Windows XP                      RC1 or above
        OS/2* 

   Note : (a) The EMM386.EXE above the DOS 6.22 will handle the NMI routine
              improperly if the DOS program is also using the NMI ISR. 
          (b) DOS and OS/2 drivers are for VT82C686A/VT82C686B/VT8231
              South Bridges only.

3) Package Version Identification

    1. In this package, there is a TXT file named VIAUDIO.REV. The release 
       version is in the first line of this file. ex. If you see 5.10b
       in this file, the Setup program will show 5.10b in the driver
       installation screen.
       To change the company name in the setup program, please modify 
       the string in the second line of VIAUDIO.REV.

    2. The driver versions included in this package (Ver 5.10b) are:

        Operation System                   Version             
  --------------------------------------------------------------------------
        68\DOS*                            1.11
        68\Windows 9x(VXD)                 4.05.00.1130
        68\Windows NT 3.51                 4.00.Beta
        68\Windows NT 4.0                  4.03.00.3160
        68\OS/2                            1.11

        74\Windows 9x(VXD)                 4.05.00.1130     
        74\Windows NT 3.51                 4.00.00.3100
        74\Windows NT 4.0                  4.03.00.3130

        ICH\Windows NT 4.0                 4.03.00.3???

        Windows 98SE/ME/2000/XP(WDM)       6.14.01.4010


4) Distribution Package Contents  
   
   If this driver is compressed, it must be decompressed before executing
   the setup program. 
 
   The decompressed package includes the following files: 

Root:

    _INST32I.EX_                Setup Program
    _ISDEL.EXE                  InstallShield5 related files below
    _SETUP.DLL
    _SYS1.CAB
    _SYS1.HDR
    _USER1.CAB
    _USER1.HDR
    DATA.TAG
    DATA1.CAB
    DATA1.HDR
    LANG.DAT
    LAYOUT.BIN
    OS.DAT
    SETUP.BMP
    SETUP.EXE
    SETUP.INI
    SETUP.INS
    SETUP.ISS
    SETUP.LID
    WDM.BAT
 
    WIN98SE, WIN2000, WINME, WINXP, WIN2003 SERVER
        VIAUDIOS.INF            Installation file
        VIAUDOEM.INF            Installation file
        VIACOMP.INF             Installation file
        VIAUDIOS.SYS            Audio WDM miniport driver
        VIAUDIOS.CAT            Microsoft Digital Signature Catalog file 
				(Does not support VIAUDIO.CAT file for Windows 98SE, 
                                because Microsoft does not accept 98 SE WHQL submission 
                                since 7/1/2002)
        A3D.DLL                 Dynamic link library for Sensaura filter dirver
        CRLDS3D.DLL             Dynamic link library for Sensaura filter dirver
        VIASENS.SYS             Sensaura filter driver

    68\DOS                         
        INSTALL.EXE             VIA Sound Blaster Pro Compatible setup program
        VIAUDIO.COM             VIA Sound Blaster Pro Compatible TSR program
        DOS4GW.EXE              Enter Protect mode Watcom DOS4GW program

    68\WIN9X and 74\WIN9X
        VIAUDIO.INF             VIA AC97 PCI (Enhanced) Audio Device installation file
        VIAUDIO.VXD             VIA AC97 PCI (Enhanced) Audio Device VxD driver
        VIAWAVE.DRV             VIA AC97 PCI (Enhanced) Audio Device Wave driver
        VIAFM.DRV               VIA AC97 PCI (Enhanced) Audio Device FM driver
        VIAMIDE.DRV             VIA AC97 PCI (Enhanced) Audio Device MPU401 driver
 
    68\WINNT40 and 74\WINNT40
        OEMSETUP.INF            VIA AC97 PCI (Enhanced) Audio Device installation file
        VIAUDIO.SYS             VIA AC97 PCI (Enhanced) Audio Deivce kernel mode driver 
        VIAUDIO.DLL             VIA AC97 PCI (Enhanced) Audio Device user mode driver
 
    ICH\WINNT40
        OEMSETUP.INF            VIA AC'97 Audio Codec Driver for Intel ICH2/3/4 
                                installation file
        VIA_NTIK.SYS            VIA AC'97 Audio Codec Driver for Intel ICH2/3/4 
                                kernel mode driver 
        VIA_NTIU.DLL            VIA AC'97 Audio Codec Driver for Intel ICH2/3/4 
                                user mode driver

    68\WINNT351 and 74\WINNT351
        OEMSETUP.INF            VIA AC97 PCI (Enhanced) Audio Device installation file 
        VIAUDIO.SYS             VIA AC97 PCI (Enhanced) Audio Deivce kernel mode driver
        VIAUDIO.DLL             VIA AC97 PCI (Enhanced) Audio Device user mode driver
 
    74\WINAPP                         
        SPKCFG.EXE              This utility is for users to identify the right speaker
        5POINT1.WAV             5.1 sound wave file
        CH1L.WAV                Front left speaker sound wave file
        CH1R.WAV                Front right spkeker sound wave file
        CH2L.WAV                Surround left speaker sound wave file
        CH2R.WAV                Surround right speaker sound wave file
        CH3L.WAV                Central speaker sound wave file
        CH3R.WAV                LFE speaker sound wave file

    68\OS2                         
       AUDFILES.SCR            This file tells MINSTALL which files need to be copied,
                               and into which subdirectories those files should be 
                               copied to.
       AUDHELP.HLP             This file provides information for users when installing 
                               the audio adapter.
       CARDINFO.DLL            This file contains information relevant to the audio 
                               adapter. MMPM/2 uses this information to interface with
                               the adapter.
       CONTROL.SCR             This file tells MINSTALL which subsystems and devices the
                               user can install.
       GENIN.DLL               This file is the generic installation program that installs 
                               the audio adapter.
       GENINMRI.DLL            Contains the text used in GENIN.DLL.
       VIAUDD.SYS              VIA Audio Physical Device Driver.

   INIFILE
       SIDRFILE.INI            This file contains the relations between audio adapter 
                               identification and initial setting file.
       REGDEF00.INI            This file contains the initial settings after WDM driver
                               is installed.

   ADeck
       ADECK.EXE               This application is a control panel for advanced settings of 
                               audio WDM driver.
       ADECK.INI               This file contains the initial settings for this control panel.
       ADECKLIB.DLL            This file is dynamic linkable library for this control panel.
       ADECKRC.DLL             This file is dynamic linkable library for this control panel.
       EXTENDDLL.DLL           This file is dynamic linkable library for this control panel.



5)  DOS Sound (VT82C686A/VT82C686B/VT8231 only)
  
    (a) General Information:
    
        DOS sound can be divided into two classes: 
        1) Waveform sound, such as the Gun shot, knock sound...etc. The "Sound Blaster 
           Pro Compatible Sound Device" hardware is build-in within the VIA 
           VT82C686A/686B/VT8231 south bridge chips, as to support the DOS Waveform sound.
        2) Music sound, which is in MIDI format such as the background music.  A software 
           synthesizer that plays the MIDI format is supported by VIA.   
      
    (b) In pure DOS environment or "Restart to MS-DOS mode" from Win 9X:
    
        How to play a DOS game with both Waveform and MIDI sound:
        1) For Waveform sound: First enable the Sound Blaster setting in the
           BIOS CMOS setup. Then proceed the following instructions to enable
           the setting in BIOS:    

	        INTEGRATED PERIPHERALS -> Onboard Legacy Audio (Enabled)
        	-> Sound Blaster (Disable -> Enabled)
        
        2) For MIDI music sound: Since the chipset does not support MIDI hardware
           synthesizer, the user needs to install the VIA software synthesizer TSR 
           utility. This utility can transform the MIDI format into Waveform format.
        
           To install this utility, please go through the following procedures:        
              i)   Run "install.exe" in "\DOS" directory.
              ii)  This program will copy the relative files into the directory
                   assigned by the user, the default is "C:\VIAUDIO\VIAUDIO.COM".
                   The program will then add a new line
                   "C:\VIAUDIO\VIAUDIO.COM" to the AUTOEXEC.BAT, and copy the
                   original AUTOEXEC.BAT to AUTOEXEC.VIA.
              iii) Reboot the system when the installation is completed.
              iv)  The user can uninstall this TSR utility by removing the new line 
                   added to the AUTOEXEC.BAT and deleting the file C:\VIAUDIO\VIAUDIO.COM
  
    (c) In Windows MS-DOS prompt environment:

        If VxD audio driver is installed: First enable the Sound Blaster setting in the
        BIOS CMOS setup. Then proceed the following instructions to enable the setting 
        in BIOS:    

           INTEGRATED PERIPHERALS -> Onboard Legacy Audio (Enabled) 
           -> Sound Blaster (Disable -> Enabled)
        
        VxD audio driver will trap the I/O port of the SB Pro compitable device to simulate
        game program I/O access. VIA also supports FM synthesizer driver to play DOS game's
        MIDI music data.
      
        If WDM audio driver is installed:
           i)  For Waveform sound: In WDM architecture, Microsoft provides
               a SB Pro enumeration driver, named sbenum.sys, which is used 
               to simulate SBPro behavior for DOS games to play Waveform sound.
           ii) For MIDI music sound: In WDM architecture, Microsoft provides
               a WDM kernal driver named swmidi.sys to play MIDI format music.
        Users should have the settings in DOS games. Wave player is SBPro
        and Music player is General MIDI.

6)  Windows 95/98 (VxD) Driver
    =========================
    == Driver Installation ==
    =========================
    
    a) Automatic Installation
   
       For Windows 95 and 98, setup program will automatically install VxD driver.
       Decompress the zip folder and Type D:> SETUP.EXE (where D equals the location of 
       the setup file) in the run command prompt or double click the setup.exe file. 
       Select "Install driver" option. After the system reboots, the driver will be 
       completely installed.

    b) Manual Installation
   
       Under Device Manager, the "PCI Audio Multimedia Device" will be displayed 
       if the "VIA AC97 PCI (Enhanced) Audio Device" is detected by the PCI enumerator.

       Set the source destination directory to the "\WIN9X" with the "VIA AC97
       PCI (Enhanced) Audio Device" installation file, VIAUDIO.INF.

       After the selection, the "VIA AC97 PCI (Enhanced) Audio Device" and its subsystems
       will be installed automatically. 
       
       
    Windows 98 (WDM) Driver
    =========================
    == Driver Installation ==
    ========================= 

    For win 98, if you want to install the WDM driver instead of VxD, type 

                D:> SETUP.EXE -WDM (where D equals the location of the setup file)

    in the run command prompt and the WDM driver will be installed.        
          
    ===========================
    == Driver Uninstallation ==
    ===========================

    Type 
                D:> SETUP.EXE (where D equals the location of the setup file)

    in the run command prompt or double click the setup.exe file. Select 
    "Uninstall driver". After the system reboots, the driver will be removed. 
    

7)  Windows 98 SE (WDM) Driver
    =========================
    == Driver Installation ==   
    =========================
    
    a)  Automatic Installation
 
        For Windows 98 SE, the setup program will automatically install the WDM driver.
        Decompress the zip folder and type
                
                D:> SETUP.EXE (where D equals the location of the setup file)

        in the run command prompt or double click the setup.exe file. Select "Install". 
        After the system reboots, the driver will be installed completely.

    b)  Manual Installation

        Under Device Manager, "PCI Audio Multimedia Device" will be displayed if the 
        "VIA AC97 PCI Audio Device" is detected by the PCI enumerator.
 
        Set the source destination directory to "\WIN98", where the "VIA AC97 
        PCI Audio Device" installation file for the Win 98, VIAUDIO.INF, is located.

        After the selection, the "VIA AC97 PCI (Enhanced) Audio Device" and its subsystems
        will be installed automatically. 

    ===========================
    == Driver Uninstallation ==    
    ===========================
    
    a) Type 
                D:> SETUP.EXE (where D equals the location of the setup file)

       in the run command promopt or double click the setup.exe file. Select 
       "Remove". After the system reboots, the driver will be removed completely.
    
    OR

    b) Remove the "VIA AC97 PCI Audio Device" from the device manager:
       
       To completely remove this driver, the relative "VIAUDIO.INF" file
       under "\WINDOWS\INF" or "WINDOWS\INF\OTHER" directory should be deleted.
       At the same time, the driver file under "WINDOWS\SYSTEM32\VIAUDIO.SYS" 
       should be removed as well. The driver will then not be installed again
       after the next boot.

    =================================================
    == Sound Blaster Compatible DOS Game Supported ==
    =================================================
 
    Sound Blaster compatible DOS games can be played with GENERAL MIDI 
    music format ONLY in the Windows DOS box. There is no need to enable 
    the "Sound  Blaster" setting in BIOS. The Sound Blaster emulation is 
    by Microsoft and the OPL3 music format is not supported under the 
    Microsoft WDM driver architecture. 

    The user should change the MUSIC setting in his or her Sound Blaster 
    compatible DOS game from FM MIDI to GENERAL MIDI. Otherwise, the music 
    playing feature will not be functioning when the Sound Blaster compatible 
    game is played.


8)  Windows 2000/XP/2003 Driver
    =========================
    == Driver Installation ==   
    =========================

    a) Automatic Installation
 
       Decompress the zip folder and type 

	       D:> SETUP.EXE (where D equals the location of the setup file)

       in the run command prompt or double click the setup.exe file. Select "Install". 
       After the system reboots, the driver will be installed completely.

    b) Manual Installation

       Under Device Manager, "PCI Audio Multimedia Device" will be displayed if 
       the "VIA AC97 PCI (Enhanced) Audio Device" is detected by the PCI enumerator.

       Set the source destination directory to the "\WIN2000", where the "VIA AC97
       PCI (Enhanced) Audio Device" installation file for the Win2000, VIAUDIO.INF,
       is located.

       After the selection, the "VIA AC97 PCI (Enhanced) Audio Device" will be installed
       successfully. 

    ===========================
    == Driver Uninstallation ==    
    ===========================
  
    a) Type 
                D:> SETUP.EXE (where D equals the location of the setup file)

       in the run command prompt or double click the setup.exe file. Select "Remove". 
       After the system reboots,the driver will be removed completely.

    OR

    b) Remove the "VIA AC97 PCI (Enhanced) Audio Device" from the device manager:

       To completely remove this driver, the relative "OEMx.INF" file under 
       "\WINDOWS\INF" directory should be deleted. At the same time, the driver file
       under "WINDOWS\SYSTEM32\VIAUDIO.SYS" should be removed as well.
       The driver will then not be installed again after the second boot.

NOTE: Please note, under Win2000/WinXP, the .cat file can not be installed from
      the setup program (option a). To check the "Digital Signed file" from Micrsoft,
      the driver using option b - through the Device Manager, must be installed.

9)  Windows ME Driver
    =========================
    == Driver Installation ==   
    =========================

    a) Automatic Installation

       Decompress the zip folder and Type 

   	    D:> SETUP.EXE (where D equals the location of the setup file)

       in the run command prompt or double click the setup.exe file. Select "Install".
       After the system reboots, the driver will be installed completely.

    b) Manual Installation

       Under device manager, "PCI Audio Multimedia Device" will be displayed 
       if the "VIA AC'97 (Enhanced) Audio Device" is detected by the PCI enumerator.

       Set the source destination directory to the "\WINME", where the "VIA AC'97
       Audio Device" installation file for Win2000, VIAUDIO.INF, is located.

       After the selection, the "VIA AC'97 (Enhanced) Audio Device" will be installed
       successfully. 

    ===========================
    == Driver Uninstallation ==    
    ===========================
    
    a) Type 

	       D:> SETUP.EXE (where D equals the location of the setup file)

       in the run command prompt or double click the setup.exe file. Select "Remove".
       After the system reboots, the driver will be removed completely.

    OR

    b) Remove the "VIA AC'97 Audio Device" from the device manager:

       To remove this driver completely, the relative "VIAUDIO.INF" file under 
       "\WINDOWS\INF" or "WINDOWS\INF\OTHER" directory should be deleted.
       At the same time, the driver file under the "WINDOWS\SYSTEM32\VIAUDIO.SYS"
       should be removed as well. The driver then will not be installed after 
       the second boot.

10)  Windows NT 4.0 Driver
     =========================
     == Driver Installation ==   
     =========================
    
     a) Automatic Installation

        Decompress the zip folder and type 

  	      D:> SETUP.EXE (where D equals the location of the setup file)

        in the run command prompt or double click the setup.exe file. Select "Install".
        After the system reboots, the driver will be installed completely.
 
     b) Manual Installation

              i)   Select the "Multimedia" icon from the Control Panel to install 
                   the driver.

              ii)  When the "Multimedia Properties" is displayed, select the "Devices"
                   sheet and then click on the "Add" button. 

	      iii) When the "Add" page is displayed, select the "Unlisted or Upgraded 
                   Driver" from the "List of Drivers". Then click the "OK" button.

              iv)  Type the source column and "\WINNT40" directory where the driver 
                   is located. Then click the "OK" button.

              v)   The "VIA AC97 PCI Audio Device" will be displayed on the 
                   "Add Unlisted on Ugraded Driver" page. Select "OK" and the driver
                   will be installed.

    NOTE: To use the joystick device with following procedures:
 
              vi)  Select "Joystick Devices" in Multimedia Properties" and click "OK".
       
              vii) Select the joystick from the "List of Drivers" or the "Unlisted
                   or Upgraded Driver", which are supported from the joystick manufacturers.
    
              After the selection, the "VIA AC97 PCI (Enhanced) Audio Device" and 
              its subsystems will be installed automatically. 
    
    ===========================
    == Driver Uninstallation ==    
    ===========================
    Follow the instructions listed below to uninstall the driver:

    a) Type 

	       D:> SETUP.EXE (where D equals the location of the setup file)

       in the run command prompt or double click the setup.exe file. Select "Remove".
       After the system reboots, the driver will be removed completely.

    OR

    b) Manual Uninstallation

       i)   Select the "Multimedia" icon from the Control Panel to uninstall 
            this driver.

       ii)  When the "Multimedia Properties" is displayed, select the "Devices"
            sheet and click on the "Remove" button. 

       iii) When the "Remove" page is displayed, click the "OK" button and 
            the driver will be removed.                                    

11)  OS/2 Driver (VT82C686A/VT82C686B/VT8231 only)
     =========================
     == Driver Installation ==   
     =========================
     (a) Place the installation diskette in drive A.

     (b) Type MINSTALL on the OS/2 command line.
 
     (c) Change the source drive to A.

     (d) Select the adapter, then press "OK"

     (e) If an error occurs, check the MINSTALL.LOG file in the \MMOS2\INSTALL 
         subdirectory for an error message.


Download Driver Pack

How To Update Drivers Manually

After your driver has been downloaded, follow these simple steps to install it.

  • Expand the archive file (if the download file is in zip or rar format).

  • If the expanded file has an .exe extension, double click it and follow the installation instructions.

  • Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.

  • Find the device and model you want to update in the device list.

  • Double-click on it to open the Properties dialog box.

  • From the Properties dialog box, select the Driver tab.

  • Click the Update Driver button, then follow the instructions.

Very important: You must reboot your system to ensure that any driver updates have taken effect.

For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.

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