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MS-DOS External Commands

The MSCDEX Command

Description:

Provides access to CD-ROM drives. MSCDEX can be loaded from your AUTOEXEC.BAT file or from the command prompt. (The device driver that came with your CD-ROM drive must be loaded from your CONFIG.SYS file.

Command Syntax:

MSCDEX /D:driver [/D:driver2... ] [/E] [/K] [/S] [/V] [/L:letter] [/M:number]

Explanation of Syntax:

/D:driver1 [/D:driver2... ] specifies the driver signature of the first CD-ROM device driver. The driver1 parameter must match the parameter specified by the /D switch on the CONFIG.SYS command that starts the corresponding CD-ROM device driver. The MSCDEX command must include at least one /D switch. To install additional CD-ROM device drivers, specify an additional /D switch for each device driver.
[/E] specifies that the CD-ROM driver be allowed to use expanded memory, if available, to store sector buffers.
[/K] specifies that MS-DOS should recognize CD-ROM volumes encoded in Kanji. By default, MS-DOS does not recognize Kanji CD-ROM volumes.
{/S] enables sharing of CD-ROM drives on MS-NET or Windows for Workgroups servers.
[/V] directs MSCDEX to display memory statistics when it starts.
[/L:letter] specifies the drive letter to assign to the first CD-ROM drive. If you have more than one CD-ROM drive, MS-DOS assigns additional CD-ROM drives subsequent available drive letters.
[/M:number] specifies the number of sector buffers.

Command Use:

This command can be used at the command prompt and in batch files.

The MSCDEX command should not be used after Windows has started.