Configuring MSCDEX for Multiple CD-ROM Drives (95955)
The information in this article applies to:
• Microsoft MS-DOS operating system 6.0
• Microsoft MS-DOS operating system 6.2
• Microsoft MS-DOS operating system 6.21
• Microsoft MS-DOS operating system 6.22
This article was previously published under Q95955
Microsoft CD-ROM Extensions (MSCDEX) can control multiple CD-ROM drives. To
configure your system to do this, you must make some adjustments to the
parameters on your CD-ROM driver in the CONFIG.SYS file and to the MSCDEX
command in your AUTOEXEC.BAT file.
MSCDEX uses the /D:MSCDxxx parameter to differentiate between the drives.
For example, the following commands assign the Creative Labs CD-ROM driver
(SBPCD.SYS) to drive m and the external CD-ROM (TSLCDR.SYS) to drive n:
device=c:\sbpro\sbpcd.sys /d:mscd001 /p:220
mscdex /d:mscd001 /l:m /d:mscd000 /l:n
NOTE: Because MS-DOS treats CD-ROM drives like network drives, they
are assigned sequentially to available drive letters (for example,
three CD-ROM drives could be assigned to G:, H:, and I:).
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