README.TXT Driver File Contents (Sony.zip)

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	   Comments on "Device Driver & Utilities Ver. 1.7
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1) Applicable model list:

   * The utilities in this diskette are applicable to the following models.

     1. CDU50E
     2. CDU55D
     3. CDU55E
     4. CDU75E
     5. CDU76E
     6. CDU77E

2) Improvements:

    * ver. 2.22a-->2.23a
      2.23a is a tentative version and was not released except for evaluation
      purpose.

      Option "/g" is added to solve the following problem.

      In the case of connecting only Sony drive to the ATA interface of the
      Green PC as the master, the device driver returns "Drive not Ready" 
      for any command from the host computer after the host computer enters 
      suspend Mode.

   
    * ver. 2.23a-->2.24a 
    a)Media Player in Windows3.1 shows an error message, when the 
      "Next track" button is clicked during the drive plays (or pauses to play) 
      last track number of Audio disc.

    b)If an audio disc is inserted after playing Photo CD by Multi CD Player 
      of Windows3.1, that audio disc is not recognized correctly.

    c)CDU77E can not play Japanese "Peter and the Wolf" Windows version 
      correctly.

      Please use 2.24a or later CDU77E.
      
3) Device Driver information

   * To find out the version level of the device driver you are using, there
     are mainly two ways, which are....

     1. Use either debugger or dump software to see an ASCII information in
	the device driver where you will be able to find the version level.

     2. Or, watch when the device drive is loaded during boot stage of
	MS-DOS system.

   * However, above method may not be easy for some users, therefore the
     following information is added to help our customers identify the
     version level of each device driver for our ATAPI CD-ROM drive.
     With the information given below, the version level can be identified
     based on the file size and the time stamp information.

     ATAPI_CD.SYS    22016  94-07-22  16:04 <<=== 2.00a
     ATAPI_CD.SYS    22016  94-07-22  16:04 <<=== 2.14a
     ATAPI_CD.SYS    24144  94-10-28  20:14 <<=== 2.16a
     ATAPI_CD.SYS    26048  94-11-10  12:14 <<=== 2.17d
     ATAPI_CD.SYS    26128  94-12-05  19:07 <<=== 2.18b
     ATAPI_CD.SYS    26848  95-01-08  20:26 <<=== 2.19c
     ATAPI_CD.SYS    26864  95-02-14  11:03 <<=== 2.20a                                                                                                                                                                                                           
     ATAPI_CD.SYS    28976  95-04-12  13:45 <<=== 2.22a                        
     ATAPI_CD.SYS    29616  95-07-14  09:39 <<=== 2.24a


4) Comments:

   * This floppy disk contains an installation software "INSTALL.EXE"
     version 1.00a.

   * This device driver (version is 2.22a) supports "CD Plus" through
     "SMARTDRIVE", which was not possible with the Version 2.18b.

   * MSCDEX is not included because of licensing agreement with Microsoft.
     MSCDEX.EXE is included in DOS 6.x, but also it is possible to
     download from Microsoft BBS.

   * Please make sure that MSCDEX.EXE exists under "C:\DOS", then execute
     "INSTALL.EXE".

   * This floppy disk contains the following files

     1) Device Driver : ATAPI_CD.SYS 2.24a
     2) Install.Exe   : INSTALL.EXE  1.00a
     3) Utility       : EJECT.COM
     4)   Ditto       : LOCK.COM
     5)   Ditto       : UNLOCK.COM
     6)   Ditto       : CDPLAY.EXE
     7)   Ditto       : LOAD.EXE
     8)   Ditto       : README.TXT


5) Installation

   After installation using "INSTALL.EXE", the following lines are
   added in "Config.sys" and "Autoexec.bat", which are....

   < CONFIG.SYS >

     Device=C:\DEV\ATAPI_CD.SYS /D:mscd000 /i:0

   < AUTOEXEC.BAT >

     C:\DOS\MSCDEX.EXE /D:mscd000 /V /M:12


6) Option for the device driver, ATAPI_CD.SYS

   a) /D:<device_name>

      * Device driver needs to have a <device_name> listed on the command
	line to MSCDEX following the /D: switch. MSCDEX uses this parameter
	to locate device driver. Names used must match those used for the
	/D:<device_name> parameters for each device entry in "AUTOEXEC.BAT".

      * The installation software specify the device name as "mscd000",
	which appear in "CONFIG.SYS" as well as "AUTOEXEC.BAT".

   b) /I:n

     * This option is related "Media Change Command" and "Illegal
       disc change" specified in MSCDEX specification.  This is required
       to notify the system that disc has been changed so that this
       information can be used in various ways.  For example, initialize
       a buffer memory with directory information, etc.

       On the other hand, there are several ways in treating this
       information.  Therefore, we added an option "/i:n" so that
       user can choose an appropriate setting.

     * No option at all.
       Without this option, the drive returns "illegal media change",
       if the drive tries to access CD-ROM without disc in the drive,
       which will be, in turn, expressed as "Not ready error reading.."
       and displayed on the screen.

       This will not be cleared once, even after a CD-ROM disc is
       inserted, but second retry will clear this message.

     * n=0
       Our installation software will set this option, because we feel
       this is more natural than default setting which is specified by
       MSCDEX specification.

       Note : Some major SCSI products vendors have this setting as
	      their default setting.

     * n=1
       The driver will keep returning "Media Change Status" until
       "Media Change Command (A command which is to check if the media
       is changed or not) is executed.  During this stage, the system
       will keep displaying the following message on the screen, even
       after a media is loaded.

       Not ready error reading drive X:
       Abort, Retry, Ignore?
       (* X: Drive letter of CD-ROM drive)

     * /i .... Same as "/i:1"
     
					     
     
   c) /p:XXX                                 
      When user specifies one of the following address, like a /p:xxx, 
      the device driver selects the only specified port address.
		Primary         /p:1F0
		Secondary       /p:170 
		Tertiary        /p:1E8
		Quaternary      /p:168
		F.D. board      /p:160
		(Futuredomain)

      However, the F.D. board's address(160H) and Quaternary's address(168H) 
      can not use together.

      Without specifying this option, the device driver can select the drive 
      by "auto-detect" mode in any of the Primary, Secondary, Tertiary, 
      Quaternary, and F.D. board.

    d) /g
    In the case of connecting only Sony drive to the ATA interface of the 
    Green PC as the master, the device driver returns "Drive not Ready" for 
    any command from the host computer after the host computer enters 
    suspend mode.
    Option "/g" is added to solve this problem.

       
7) Option for MSCDEX.EXE

   a) /D:<device_name>

      * Device driver needs to have a <device_name> listed on the command
	line to MSCDEX following the /D: switch. MSCDEX uses this parameter
	to locate device driver. Names used must match those used for the
	/D:<device_name> parameters for each device entry in "CONFIG.SYS".

      * The installation software specify the device name as "mscd000",
	which appear in "CONFIG.SYS" as well as "AUTOEXEC.BAT".

    b) /M:<value>
       This option switch determines how many sector buffers MSCDEX allocates
       when it installs itself.  The larger this value is, the more sector
       cache entries are available and the less MSCDEX will have to read
       directly from the CD-ROM drive. So, please increase if you require
       better performance, but it will take system memory space.  It is
       also possible to reduce the value, but the minimum of 4-5 is
       recommended.  If this value is too small, the drive will reread
       more often which will deteriorates drive's performance.

    c) /V
       This is "verbose switch".  /V asks MSCDEX to print additional
       information about memory usage during initialization.  We recommend
       to set this switch.

    d) Others
       There are few other switches which are not set using "INSTALL.EXE".
       The following explanations are given for users who need to
       customize the CD-ROM system.

       * /E
	 This is an additional switch, which tells MSCDEX to use expanded
	 memory if it is available.

       * /L:<drive letter>
	 This option is prepared for some software that require a specific
	 drive letter for the CD-ROM drive so that the application software
	 can treat CD-ROM drive without any problem.
	 Because "INSTALL.EXE" does not set this switch, you will have to
	 edit your AUTOEXEC.BAT file if this switch is needed. For example,
	 the following assigns CD-ROM drives starting at drive letter L:,
	 you need to add switch "L" as you can see as follow.

	 MSCDEX /D:MSCD001 /L:L

       * /K
	 The /K switch causes MSCDEX to look for a Supplementary Volume
	 Descriptor that identifies a shift-JIS Kanji volume for Japanese.

       * /S
	 The /S switch tells MSCDEX to patch MS-DOS to allow sharing of
	 CD-ROM drives on MS-NET based servers.


* Note: MSCDEX is a product of Microsoft Corporation




Personal Storage Products Dept. No.1, @
Computer Peripherals Div., Components Company
Sony Corporation (c)
As of July 28, 1995
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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