README.TXT Driver File Contents (DISCINST.EXE)

  Discovery CD-ROM Drive Installation Disk (250-0200) 

This software enables the user to utilize the Discovery CD-ROM Drive
on an IBM AT or compatible computer. 


This disk contains the following files--

   DISK.ID       README.COM
   SBCD2.ADD     INSTALL.EXE
   INSTALL.001   README.TXT
   

In order to obtain a printout of this README.TXT file, insert this
disk in Drive A, make sure your printer is switched on, is on line,
and at the C:\> prompt, type the following command--

   PRINT A:README.TXT

and press <Enter>.



INSTALLATION

1.  Follow the procedure described on Page 22 of the Installation Guide
    to install the CD-ROM Drive.

2.  Start up your computer.

3.  Insert this disk in Drive A.

4.  Type A:INSTALL and press <Enter>.

5.  If you choose to view this README.TXT file, select the "View Readme
    File" option. Read the information and exit to return to the
    installation program main menu. If you do not wish to view the
    README.TXT file, skip to the next step (Step 6).

6.  Select "Install Software" and press <Enter>.

7.  When prompted for the I/O address, select the one that matches your
    Sound Blaster.

8.  Reboot your computer for the changes to take effect.


NOTE:
   * In order to test the installation, see the instructions for
     installing the CD-ROM Drive on Page 27 of the Installation Guide.



 
                 CD-ROM INSTALLATION LATEST INFORMATION
                 ======================================

This file contains information not available prior to the printing of
the Installation Guide.


This file contains the following sections:

   1. OS/2 CD-ROM DRIVER
      a. Installation if OS/2 2.x is already installed
      b. Installation of OS/2 2.1 and CD-ROM driver
      c. Description of SBCD2.ADD switches
   
   2. New Technical Support BBS Number
   

1. OS/2 CD-ROM DRIVER

   An OS/2 compatible CD-ROM device driver is included on this disk.
   The following steps provide instructions on how to install the driver
   with OS/2 versions 2.0 and 2.1.

   The file SBCD2.ADD can be used with OS/2 systems which support layered
   CD-ROM device management structure.  This structure is supported in
   OS/2 2.1.  Users of OS/2 2.0 can use the OS2CDR package which
   contains the OS2CDROM.DMD file for OS/2 2.0.  The OS2CDR.ZIP file is
   available on Compuserve, forum IBMOS2.


   INSTALLATION OF CD-ROM DRIVER IF OS/2 2.x IS ALREADY INSTALLED
   --------------------------------------------------------------

   OS/2 2.0 users--refer to the document provided in the OS2CDR package first.

   1. If you have previously installed OS/2, check whether you have
      the following lines in your OS/2 CONFIG.SYS.  If you do, delete them
      (or REM them out) from your OS/2 CONFIG.SYS file.

           DEVICE=C:\OS2\CDFS.IFS /Q
           DEVICE=C:\OS2\CDROM.SYS /Q /N:4

   2. The following lines must be in your OS/2 CONFIG.SYS file for
      the CD-ROM to work.  The "IFS=..." line may already be in your
      OS/2 CONFIG.SYS file.  If it is, group it with the lines below;
      otherwise, add it.  WARNING: Place these lines near the bottom of
      your OS/2 CONFIG.SYS file--there may be problems if you place them
      near the top!
           
           REM ---- NEXT 4 LINES ARE FOR OS/2 CD-ROM SUPPORT -----
           BASEDEV=OS2CDROM.DMD          (DO NOT SPECIFY A PATH !)
           BASEDEV=SBCD2.ADD /P:220      (DO NOT SPECIFY A PATH !)
           IFS=C:\OS2\CDFS.IFS /Q
           DEVICE=C:\OS2\MDOS\VCDROM.SYS

      NOTE: The /P:220 specifies the I/O base address used for the Sound
            Blaster Pro or Sound Blaster 16 card.  Change this value
            accordingly if your setting is different.

   3. Copy the OS2CDROM.DMD file (on OS/2 2.1 "Diskette 1") to C:\OS2.

   4. Copy the SBCD2.ADD file from this disk to the C:\OS2 directory.

   5. Reboot the system.


   INSTALLATION OF OS/2 2.1 AND CD-ROM DRIVER
   ------------------------------------------

   1. Make duplicate copies of the IBM OS/2 2.1 diskettes--
      "Installation Diskette" and "Diskette 1"--that come with OS/2 2.1.
      Only make changes to the duplicate diskettes.  Keep the original
      diskettes in their original condition!

   2. Copy the SBCD2.ADD file from this disk onto the duplicate OS/2 2.1 
      "Diskette 1".

   3. Add in the following line to the CONFIG.SYS file on the
      duplicate "Diskette 1".

           BASEDEV=SBCD2.ADD /P:220

      NOTE: The /P:220 specifies the I/O base address used for the Sound
            Blaster Pro or Sound Blaster 16 card.  Change this value
            accordingly if your setting is different.

   4. Reboot the system with the disk "Installation Diskette" and
      follow the installation instructions.

   5. After the installation is completed, edit your OS/2 CONFIG.SYS file
      to include the following lines.  Make sure they appear near the end
      of the file.  You will have to manually add two of the following:

           BASEDEV=OS2CDROM.DMD          (DO NOT SPECIFY A PATH !)
           BASEDEV=SBCD2.ADD /P:220      (DO NOT SPECIFY A PATH !)
           IFS=C:\OS2\CDFS.IFS /Q
           DEVICE=C:\OS2\MDOS\VCDROM.SYS

      NOTE: The /P:220 specifies the I/O base address used for the Sound
            Blaster Pro or Sound Blaster 16 card.  Change this value
            accordingly if your setting is different.

   6. Reboot the system.

   
   DESCRIPTION OF SBCD2.ADD SWITCHES
   ---------------------------------

   /P:xxx

   This switch specifies the port address (in hex) of Sound Blaster card
   used.  Default setting for xxx is 220.

   Example:

              BASEDEV=SBCD2.ADD /P:220


   The following switches are optional:

   /D:a or /D:x [,y] [,z] [,w]

   This switch applies only to CR-563 drives.  It specifies the drives 
   to be run at double transfer speed (300KB/s).  The option /D:a 
   specifies 'all' daisy-chained drives.  You can specify individual 
   drives using the ID number of the drive(s) you want to run at double speed.

   Example 1:

              BASEDEV=SBCD2.ADD /D:a

   Example 2:

              BASEDEV=SBCD2.ADD /D:1,3


   /N:a or /N:x [,y] [,z] [,w]

   This switch applies only to CR-563 drives.  It specifies the drives
   to be run at normal transfer speed (150KB/s).  The option /N:a specifies 
   'all' daisy-chained drives.  You can specify individual drives using
   the ID number of drive(s) that you want to run at normal speed.

   Example 1:

              BASEDEV=SBCD2.ADD /N:a

   Example 2:

              BASEDEV=SBCD2.ADD /N:0,2


   NOTE : The default is double transfer speed whenever it is possible.
          If the same drive has been set more than once, the last
          setting will take effect.


   /T:1 or /T:2

   This switch specifies the type of card being used; 1 for standard
   sound card and 2 for CD-ROM interface card.


2.  New Technical Support BBS Number

    The technical support bulletin board number has been changed to
    405-742-6660.  Please note this change in your manual.



NOTE:
"While reasonable efforts have been taken in the preparation of this
information to assure its accuracy, Tandy Corporation/Radio Shack
assumes no liability resulting from the use of the information
contained herein."
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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