Microsoft KB Archive/188391

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

Article ID: 188391

Article Last Modified on 1/23/2007

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APPLIES TO


 * Microsoft Windows 98 Standard Edition
 * Microsoft Windows Millennium Edition

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This article was previously published under Q188391



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.



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



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:

 Use a text editor (such as Notepad) to open the Config.sys file on the Windows 98 Startup disk.  Locate the following line: Device=btcdrom.sys /D:mscd001   Change the line to the following line: Device=btcdrom.sys /D:mscd002   Locate the following line: Device=aspicd.sys /D:mscd001   Change the line to the following line: Device=aspicd.sys /D:mscd003  Save and then close the Config.sys file.</li> Using the text editor, open the Autoexec.bat file on the Windows 98 Startup disk.</li>  Locate the following line: LH %ramd%:\mscdex.exe /D:mscd001 /L:%CDROM% </li>  Change the line to the following line: LH %ramd%:\mscdex.exe /D:mscd001 /D:mscd002 /D:mscd003 /L:%CDROM% </li> Save the Autoexec.bat file, and then quit the text editor.</li></ol>

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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

TITLE : Command-Line Switches for MSCDEX.EXE

Additional query words: emergency boot ebd hwcds

Keywords: kbenv kbprb KB188391

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