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If you are using MS-DOS 6.0 or later, you can use multiple configuration menus or the CHOICE.COM program to configure your system. For more information on using these options under MS-DOS 6.0 or later, type HELP MULTI-CONFIG or HELP CHOICE at the MS-DOS command prompt and then press ENTER.
To create the files to automatically restart your computer with the appropriate configuration, do the following:
Create a directory on your hard drive called C:\CONFIGS. Create the CONFIG.SYS and AUTOEXEC.BAT files you need to boot your system for HIMEM.SYS and applications that require it, with the following names: c:\configs\config.dos c:\configs\autoexec.dos Create the CONFIG.SYS and AUTOEXEC.BAT files you need to start your system for the program that conflicts with HIMEM.SYS. Any unique file extension can be used. The following example uses 386: c:\configs\config.386 c:\configs\autoexec.386 The following DEBUG script can be used to create a small executable file called REBOOT.COM. This file, when executed, will cause your system to restart. To create the file, change to the DOS directory, and type the following: debug reboot.comEnter the following information, pressing ENTER key after each line: A 100 ; Debug instruction for assemble MOV AH,0D ; Disk Reset INT 21h ; causes SmartDrv 4.x to write cache MOV AX, 40 ; set up segment addressing MOV DS,AX DS: OR BYTE PTR ,0C ; equivalent of pressing CTRL+ALT MOV AX,4F53 ; Issue a "DEL" (53h = DEL scan code) INT 15h ; EMM386 sees this & shuts down. DS: MOV WORD PTR ,1234 ; Set REBOOT flag to Warm-Boot (0=cold) JMP F000:FFF0 ; Execute the internal restart routine <CR> ; This line must be blank (just hit ENTER) R CX 20 ; File size to be written to disk (in hex) N REBOOT.COM ; Filename W ; Write the file to disk Q ; Quit Debug NOTE: The REBOOT.COM file created with this debug script is compatible with SMARTDrive and its write-behind cache feature. The instructions in REBOOT.COM cause SMARTDrive to write (flush) its write-behind cache to disk before the computer is rebooted.
The following commands can be used to copy and rename the configuration files to the root directory of the C drive and restart the computer. To simplify the process, you can put these commands into batch files.
To start your machine for Windows, use the following commands: copy c:\configs\autoexec.dos c:\autoexec.bat copy c:\configs\config.dos c:\config.sys reboot.com To start your machine for the 386 application, use the following commands: copy c:\configs\autoexec.386 c:\autoexec.bat copy c:\configs\config.386 c:\config.sys reboot.com
Posted on Apr 29, 2008
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Posted on Jan 02, 2017
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