Vdisk And RAM Drives

DocumentID: 634334
Revision Date: 29-Feb-96 3:03:38 PM

The information in this document applies to:
WordPerfect® 5.1 for DOS

Problem

Solutions: If your computer has 384K of expanded memory you can create a vdisk (virtual disk) which uses expanded memory for re-directing temporary files to the virtual disk thereby saving time. To create a VDISK, you add the following to your CONFIG.SYS file: DEVICE=C:\DOS\VDISK.SYS/E 400. The C:\DOS is used as part of the path if the DOS external files are in a DOS directory. VDISK.SYS is a DOS utility program. VDISK.SYS calls the VDISK program for use. The /E is the parameter used for accessing Expanded Memory. It can only get as big as 384 and using the 400 parameter forces the RAM drive to 384. The VDISK.SYS program is available on versions of DOS 3.0 and higher. Practical use of your RAM drive is for re-routing your temporary files for WP Office or WordPerfect to the D: drive. You place the following in your AUTOEXEC.BAT file: SET WPC=/D-D: SHELL/V-D:\;C:\OFFICE30 The SET command goes before the SHELL command. SET is a DOS command that allows you to enter information to the DOS set environment. WPC is a WordPerfect Corporation string in the DOS SET environment. All WP products look for it and use it, if it is found. The /D is a startup option that directs the temporary files, and the D:\ is the location to where you want the temporary files to go on the RAM drive. The SHELL/V directive executes the Office/Library program using the startup option that directs the files to the specified directory to free up space for file swapping. Some Shell features work faster and benefit by using the /D option.

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