		  OPTi MAD16 Audio Device Driver for OS/2
			    Version 2.00a Release
			       (02/14/95)

     Before you install OPTi 928/929/924 Device Driver make sure that 
     you have installed OS/2 WARP Version 3.00 Revision 8.162 or later. 
     Enter "VER /R" from an OS/2 command prompt to verify.

     This document describes the means for setting up your Sound Card for
     proper operation under the OS/2 operating system environment. Before
     installing, please read PART 0 What's new in this release. If you
     already have OS/2 installed, please read PART 1; if not, please
     proceed to PART 2 of this document. PART 3 of this document describes
     how to connect your existing or new CD-ROM drive to your Sound Card
     and provides a list of the CD-ROM models that are supported. PART 4
     describes the parameter options for the Sound Card setup program
     MAD16.SYS. PART 5 describes how to reconfigure your Sound Card settings
     at a later time. PART 6 describes WIN-OS/2 installation. PART 7 
     describes MPU401 support. PART 8 lists some known problems detected with 
     this current release; and PART 9 describes a brief trouble-shooting 
     session for problems that may be encountered during and after the 
     installation of the Sound Card device driver. 

	 PART 0 - What's new in this release

	 PART 1 - OS/2 Already Installed
		  Installing the Sound Card device driver

	 PART 2 - OS/2 Not Installed
		  OS/2 Diskette Installation
		  OS/2 CD-ROM Installation (OS/2 Warp)

	 PART 3 - CD-ROM Drive Interface
		  Interfacing a CD-ROM drive to your Sound Card
		  List of CD-ROM drive models supported by your Sound Card

	 PART 4 - Options for MAD16.SYS Sound Card device driver

	 PART 5 - How to Reconfig the Hardware Settings

	 PART 6 - WIN-OS/2 support 

	 PART 7 - MPU401 support

	 PART 8 - Known Problems

	 PART 9 - Brief Trouble-Shooting Session

PART 0 - What's New in this release:    

       - Fix a error message problem for 928 under Win-OS/2 environment.
       - WIN-OS/2 support. Windows Audio Applications can be run under OS/2.
       - Support MPU401 in WIN-OS/2 environment.
       - MAD16.ADD and BUSAUDIO.SYS are renamed to MAD16.SYS and SND16.SYS
	 respectively.
       - Fix Line recording problem.

       Changes that were done in the previous version (v1.01)
       - Fix noise problem with CS4231/CS4248.  
       - Keep CD Audio from being muted when playing or recording wave 
       - Keep CD Audio from being lowered when running DOS Multimedia 
	 application.
       - Increase CD Audio volume.
       - Fix the problem of OS/2 boot failure when no Sound card is in
	 system.
       - Allows MIC recording level adjustment.


PART 1 - OS/2 already installed

	Installing the Sound Card device driver:

	1. Ensure that your Sound Card has been properly installed and power
	   on your system and wait for the OS/2 Desktop to appear.
	
	2. From your OS/2 Desktop, open (double click) the OS/2 System folder
	   and then open the Command Prompts folder.
	
	3. Open either the OS/2 Window icon or the OS/2 Full Screen icon to
	   start an OS/2 command prompt session.
	
	4. Check if a copy of MAD16.SYS existed in root directory by typing
	   "dir \MAD16.SYS". Remove the old MAD16.SYS by typing "del \MAD16.SYS"
	   if it existed.
	
	5. Enter another command "attrib -r \os2\boot\clock01.sys".
	
	6. Insert device driver diskette into your floppy disk drive.
	
	7. Type "A:MINSTALL" and ENTER.
	
	8. MINSTALL will display 3 options to install - OPTi 928/929/924
	   WAVE OS/2 Driver, OPTi OPL3 Driver and OPTi WIN-OS/2 Audio Driver. 
		  
	9. Type "EXIT" and ENTER to return to OS/2 Desktop.
	     
	10. Reboot OS/2.


PART 2  - OS/2 not installed

	OS/2 Diskette Installation:

	1. Install OS/2 and proceed to PART 1 to complete the installation of device driver
	    for your Sound Card.


	OS/2 CD-ROM Installation:

	If you intend to connect a CD-ROM to the CD-ROM interface of your
	sound card and use it for your OS/2 Warp installation, please follow
	the steps below. If not, install your CD-ROM with the interface card
	supplied by your CD-ROM manufacturer and proceed to install OS/2 Warp,
	after your installation, proceed to PART 1 of this document to
	complete the device driver for your Sound Card.

	1. In the OS/2 Warp CD-ROM installation package, you will find two (2)
	   "kicker" diskettes - a) Installation Diskette for CD-ROM, and
				b) Diskette for CD-ROM (Disk 1).

	2. Copy the program MAD16.SYS located in your Sound Card device driver
	   diskette to the OS/2 Warp "kicker" diskette labeled "Diskette for
	   CD-ROM (Disk 1)".

	3. EDIT config.sys to add the following line immediately before the
	   LIBPATH= statement:

	    BASEDEV=MAD16.SYS CDTYPE:X CDBASE:XXX CDIRQ:X

	    CDTYPE:S, P, M, I

		  S - SONY CDU-31A/33A
		  P - PANASONIC CR-522/523 CR-562/563
		  M - MITSUMI FX001/FX001D
		  I - Generic IDE (DEFAULT)

	    CDBASE:None, 320, 330, 340, 360 (default based on CDTYPE)

		  Sony31A   - 320, 330, 340, 360 (default 320)
		  Panasonic - 330, 340 (default 330)
		  Mitsumi   - 320, 340 (default, 320)
		  IDE       - 170      (fixed)

	    CDIRQ: None, 3, 5, 7, 9, 10, 11 (default based on CDTYPE)

		  Sony31A, Mitsumi (All above choices are valid)
		  Panasonic - None (polled device, no interrupts)
		  IDE       - 15 (fixed)
	
	 4. Install OS/2 Warp (be sure to install multimedia software support)
	      ************************* note *****************************
	      * The OPTi 928/929/924 audio card is detected by OS/2      *
	      * INSTALL as a SB Pro - Remove this by clicking on         *
	      * Multimedia from the System Configuration menu and select *
	      * remove from the Device Selections and Settings menu.     *
	      ************************************************************
			      
	 5. Follow OPTi MAD16 Audio Device Driver for OS/2 Procedure part 1 above.



PART 3 - CD-ROM Drive Interface

	Interfacing a CD-ROM drive to your Sound Card:

	To interface/connect your new or existing CD-ROM drive to your
	sound card, please follow the simple steps below.

	If you are interfacing an existing CD-ROM drive to your sound card,
	you only need to follow steps 1 and 2 below since you should already
	have your existing CD-ROM driver setup in your CONFIG.SYS file.
	However, if your are interfacing a new CD-ROM drive, you will need
	to follow all 3 steps below; in which case, it is recommended that
	your perform step 1 first.


	1. Hardware setup

	   To connect your CD-ROM drive to your sound card, you will need
	   to setup the correct data connector cable from your CD-ROM to
	   your sound card. Please refer to your sound card installation
	   manual for more details.


	2. Modifying/Setting the MAD16.SYS setup program

	   To interface your new or existing CD-ROM drive to your Sound Card,
	   use an editor to open the CONFIG.SYS file for editing and locate
	   the line "BASEDEV=MAD16.SYS..."  This line should be at the first
	   line of the file. Insert the following "CDTYPE:" option into the
	   line and when completed, it should read:

	   BASEDEV=MAD16.SYS CDTYPE:X CDBASE:XXX CDIRQ:X

	   where <model> is the CD-ROM model denoted by the following characters:
		       S       - stands for SONY
		       M       - stands for Mitsumi
		       P       - stands for Panasonic
		       I       - stands for IDE (secondary)

	   For example, the following enables the interface for a SONY IDE CD-ROM.

	   BASEDEV=MAD16.SYS CDTYPE:I CDBASE:170 

	   If the above MAD16.SYS line is not located, proceed to PART 1 of
	   this document for details on installing the Sound Card setup program.

	   Save the file and proceed to install the CD-ROM driver if needed.


	3. Installing the CD-ROM driver

	   Open the Selective Install program located in the System Setup
	   folder and click on the icon next to the "CD-ROM Device Support"
	   entry.  A window with the list of OS/2 supported CD-ROM drivers
	   will appear. Select (click on) the CD-ROM driver name belonging
	   to your CD-ROM model and click on OK to confirm. Click on OK to
	   start your CD-ROM driver installation.

	   If you have already successfully connected your CD-ROM drive
	   to your sound card as detailed in your installation manual, you
	   may shut down OS/2 and reboot your system for the changes to
	   take effect. If not, please proceed to connect your CD-ROM drive
	   to your sound card after shutting down OS/2 and switching off
	   your system.



	   List of CD-ROM drive models supported by your Sound Card:
   
	   Below lists the make and models of the CD-ROM drives that are
	   supported by your Sound Card.
   
   
	   MAKE       MODEL(s)               TYPE          Character Denotation
	   ------------------------------------------------------------------
	   SONY       CDU-31A, 31A-02, 33A   Proprietary   S
   
	   SONY       CDU-55D                IDE           I
   
	   PANASONIC  522, 523, 562, 563     Proprietary   P
   
	   MITSUMI    LU005S, FX001D         Proprietary   M
   
	   MITSUMI    FX001DE                IDE           I
   
	   PHILIPS    CM 207, CR 940I        IDE           I
   
	   IPC        8001                   IDE           I
   
	   WEARNES    CDD-120                IDE           I
   
   
	   If you have a CD-ROM which isn't included in this list, please check
	   that the drive is compatible with any of the above MAKE and MODELs.
	   Contact the CD-ROM manufacturer for details on the compatibility of
	   your drive. If your drive is compatible, the drive may be specified
	   as the appropriate TYPE in the CDTYPE option.



PART 4 - Options for MAD16.SYS Sound Card Setup Program

	The following lists the available options for the MAD16.SYS
	sound card setup program.

	MODE:     wss, sb            (default Windows Sound System)
	BASE:     220, 240           (for Sound Blaster mode, default 220)
		  530, E80, F40, 604 (for Windows Sound System mode, default 530)
		  Choosing 530 or E80 for WSS gives 220 for Sound Blaster.
		  Choosing 604 or F40 for WSS gives 240 for Sound Blaster.
		  E80 and F40 are valid only with version 929/924 of the OPTi part.
	
	CDTYPE:   None, Sony31A, Panasonic, Mitsumi, IDE (default None)
		  One character is adequate (e.g. CDTYPE:S)
	
	CDBASE:   None, 320, 330, 340, 360 (default based on CDTYPE)
		  Sony31A   - 320, 330, 340, 360 (default 320)
		  Panasonic - 330, 340 (default 330)
		  Mitsumi   - 320, 340 (default, 320)
		  IDE       - 170      (fixed)
	
	CDIRQ:    None, 3, 5, 7, 9, 10, 11 (default based on CDTYPE)
		  Sony31A, Mitsumi (All above choices are valid)
		  Panasonic - None (polled device, no interrupts)
		  IDE       - 15 (fixed)
	
	SBIRQ:    5, 7, 10, 11 (default 7)
	SBDMA:    1, 2, 3 (default 1)
	
	WSSIRQ:   7, 9, 10, 11
	WSSDMA:   0, 1, 3 (default 1, avoid 0)
	
		  NOTE: The WSS IRQ and DMA are specified here, but can be
		  reset by the audio PDD when it loads.  Optimally, the
		  audio PDD will query MAD16.SYS to learn of the device settings.
		  As of this writing, this communication does not exist.
	
	JOYSTICK: 0, 1  (default 1, joystick enabled)
	
	MPU:      Y, N
	MPUBASE:  330, 320, 300
	MPUIRQ:   9, 5, 7
		  NOTE: MPU401 setting are optional settings.
			See Part 7 for more MPU401 descriptions.

PART 5 - How to Reconfig the Hardware Settings

	Type "c:\sound16\minstall" and enter, then follow the directions from
	Part 1, step 8.  Directory "SOUND16" was created in root directoy during
	the first installation process.  It contains the same files as the 
	installation disk.

PART 6 - WIN-OS/2 support 

	 Run MINSTALL and select OPTi WIN-OS/2 Audio Driver to install for
	 WIN-OS/2 support.
	 Before starting a WIN-OS/2 session, be sure to close all OS/2 Audio
	 applications.

PART 7 - MPU401 support

	 MPU401 interface is currently supported under WIN-OS/2 environment
	 only. By default, MPU401 interface is disabled. MINSTALL does not 
	 add any MPU401 hardware settings in config.sys. To run MPU401 
	 applications under WIN-OS/2, MPU401 settings must be added using
	 an editor in config.sys after installation.  Use an editor to
	 open config.sys. Find the line 
		BASEDEV=MAD16.SYS...

	 Add the MPU401 settings at the end of the line. The following lists 
	 the available MPU401 options for the MAD16.SYS sound card setup 
	 program: 
		 MPU:     Y, N (Enable or Disable MPU401 interface)
		 MPUBASE: 330, 320, 300 (Make sure there is no conflict with
					 another device on the system)
		 MPUIRQ:  9, 5, 7       (Make sure there is no conflict with 
					 another device on the system)
	For example, add MPU:Y MPUBASE:330 MPUIRQ:9 at the end of the line to
	enable MPU401 at base address 330 and irq 9.
	Save the changes and shutdown the system. 

	There is no MPU401 support for 928. 

PART 8 - Known Problems
	- WIN-OS/2 support for 924 is not fully implemented. Currently,
	  924 WIN-OS/2 support is using a 929 Windows driver. This is 
	  just a temporary solution before the 924 Windows driver is
	  updated in the next release. This 929 Windows driver can work 
	  for 924 if the hardware is set to Windows Sound System Mode 
	  which is by default in OS/2. However, if the user DUAL boot 
	  to DOS, and run Windows, this 929 Windows driver may not work
	  for 924. 

PART 9 - Brief Trouble-Shooting Session

	Problem:  OS/2 cannot detect your sound card and/or CD-ROM
	Solution: Ensure that the BASEDEV=MAD16.SYS... line is located  
		  immediately before the LIBPATH= statement:

	Problem:  No startup sound when starting OS/2
	Solution: Check if System Sound is enabled

	Problem:  Sounds keep repeating
	Solution: This is due to an interrupt conflict on your system. To
		  use a different interrupt selection, open the CONFIG.SYS
		  file for editing and change the SBIRQ option in the
		  MAD16.SYS line to a different interrupt. 

	Problem:  DOS games do not work under OS/2 DOS session
	Solution: Run OS/2 Add Programs located in the System Setup folder
		  to ask OS/2 to add the set of DOS games on your system.
		  This allows OS/2 to setup the DOS session settings best
		  suited for your individual games such as DOOM.

		  If the DOS game still does not run, this may be due to
		  the incompatibility of the game with OS/2. Consult the
		  OS/2 newsgroup - comp.os.os2.games on the internet for
		  FAQs relating to this subject, or the FTP site -
		  hobbes.nmsu.edu.

	Problem:  IDE CD-ROM does not work
	Solution: Ensure that the IDE CD-ROM jumper is closed on your sound
		  card. Consult your sound card manual for details.
	
	Problem:  Compact Disc player does not generate sound.
	Solution: Go to Digital Audio. Under OPTIONS, select Monitor input.
	
	Problem:  The CD ROM device drivers for PANASONIC CR 562/563 and
		  IDE cdrom drives that ship with OS/2 WARP for Windows,
		  do not work. 
	Solution: The drivers that ship with OS/2 WARP "FullPack" fix this 
		  problem.
	
	Problem:  MINSTALL did not add the "BASEDEV=MAD16.SYS.." statement
		  to config.sys.
	Solution: Reduce the length "LIBPATH=.." statement in config.sys to
		  255 characters or less.

