DOS/WINDOWS Device Driver & MSCDEX File

Appendix C

 

 

Modifications to the AUTOEXEC.BAT file

The INSTALL Program also modifies or creates an AUTOEXEC.BAT file to add an instruction that tells DOS to invoke the MSCDEX.EXE file with its correct parameters. This allows the system to communicate with the CD-ROM drive.

MSCDEX /D:MSCD000

MSCDEX.EXE command line switches:

Switch

Description

Example

/D:

Specifies the device name of the

/D:MSCD000

(device name)

CD-ROM device. This name MUST

 

 

agree with the device name declared

 

 

in DRD600.SYS

 

/M:n

Specifies the number of cache

/M:24

 

buffers for MSCDEX to allocate.

 

/E

Tells MSCSDEX to use EMS

 

 

(Expanded) memory for the cache

 

 

buffers. If EMS is available, this can

 

 

save lots of RAM.

 

/L:

Specifies for MSCDEX the drive

/L:M

(drive letter)

letter to start assigning the CD-ROM

 

 

discs.

 

/V

Provides memory usage statistics

 

 

on how much memory is used by

 

 

buffers, memory resident code, and

 

 

resident data.

 

/K

Tells MSCDEX to use Kanji file

 

 

structures if present.

 

/S

Tells MSCDEX to patch DOS to

 

 

allow sharing of CD-ROM drives

 

 

on MS-NET based networks.

 

C-4

Software Driver Installation Guide / Owner’s Manual