Article ID: 188391 - Last Review: January 23, 2007 - Revision: 1.3

Cannot Gain Access to Multiple CD-ROM Drives Using Startup Disk

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SYMPTOMS

If your computer contains an integrated drive electronics (IDE) and small computer system interface (SCSI) CD-ROM drive, you may be able to gain access to only one CD-ROM drive when you start your computer using the Windows 98 Startup disk.
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CAUSE

This behavior occurs because the IDE and SCSI CD-ROM drivers both use Mscd001 as the driver ID.
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RESOLUTION

To resolve this behavior, modify the Config.sys and Autoexec.bat files on the Windows 98 Startup disk so that each CD-ROM driver has a unique ID. To do so, follow these steps:
  1. Use a text editor (such as Notepad) to open the Config.sys file on the Windows 98 Startup disk.
  2. Locate the following line: 
          Device=btcdrom.sys /D:mscd001
  3. Change the line to the following line: 
      
      Device=btcdrom.sys /D:mscd002
  4. Locate the following line: 
     
      Device=aspicd.sys /D:mscd001
  5. Change the line to the following line: 
          Device=aspicd.sys /D:mscd003
  6. Save and then close the Config.sys file.
  7. Using the text editor, open the Autoexec.bat file on the Windows 98 Startup disk.
  8. Locate the following line: 
          LH %ramd%:\mscdex.exe /D:mscd001 /L:%CDROM%
  9. Change the line to the following line: 
          LH %ramd%:\mscdex.exe /D:mscd001 /D:mscd002 /D:mscd003 /L:%CDROM%
  10. Save the Autoexec.bat file, and then quit the text editor.
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MORE INFORMATION

For more information about Mscdex.exe command-line switches, please see the following article in the Microsoft Knowledge Base:
ARTICLE-ID: 87165  (http://support.microsoft.com/kb/87165/EN-US/ )
TITLE : Command-Line Switches for MSCDEX.EXE
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APPLIES TO
  • Microsoft Windows 98 Standard Edition
  • Microsoft Windows Millennium Edition
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Keywords: 
kbenv kbprb KB188391
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