  Q96851

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  Microsoft® Product Support Services Application Note (Text File)
              PD0747: CONFIGURATION QUESTIONS AND ANSWERS
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                                                   Revision Date: 8/94
                                                      No Disk Included
 
The following information applies to Microsoft MS-DOS®, version 6.0
Upgrade.
 
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1.  Q. I receive the message "ERROR: Unable to control A20 line"
       during the startup (boot) process. How can I correct this
       problem?
 
    A. The A20 line is a hardware component of 80286 and higher
       processors that allows programs to access the first 64
       kilobytes (K) of extended memory. HIMEM.SYS must be able to
       control the A20 line to manage the extended memory on your
       computer. Different computers use different techniques for
       controlling the A20 line. In some cases, HIMEM.SYS cannot
       determine the correct technique to use. If HIMEM.SYS cannot
       identify the correct technique for controlling the A20 line on
       your computer, you may need to use the /MACHINE switch with the
       DEVICE=C:\DOS\HIMEM.SYS command in your CONFIG.SYS file. For
       further instructions, refer to the "Diagnosing and Solving
       Problems" chapter of the "Microsoft MS-DOS 6 User's Guide." You
       can also type "HELP HIMEM.SYS" (without the quotation marks) at
       the MS-DOS command prompt and press ENTER for information on
       HIMEM.SYS and the /MACHINE switch.
 
2.  Q. I'm using custom menu colors with multiple configurations.
       During the startup process, my menu colors change back to the
       default screen colors. Why is this occurring?
 
    A. When ANSI.SYS is loaded, it resets your screen colors. ANSI.SYS
       is an enhanced console device driver; therefore, it takes over
       all output to the console. At this time, no workaround is
       available for this problem.
 
3.  Q. How do I add the Windows™-based utilities after I install
       MS-DOS 6.0?
 
    A. The MS-DOS 6 Upgrade includes Windows-based versions of
       Microsoft Backup, Microsoft Anti-Virus, and Microsoft Undelete.
       To install these programs after you have installed MS-DOS 6.0,
       insert Setup Disk 1 in your floppy disk drive. At the MS-DOS
       command prompt, type the following command and press ENTER
 
          <drive>: setup /e
 
       where <drive> is your floppy disk drive.
 
       For more information on the Windows-based utilities, refer to
       the "Microsoft MS-DOS 6 User's Guide."
 
KBCategory: kbtool kbfile kbappnote
KBSubcategory: msdos
Additional reference words: appnote msbackup dblspace 6.00 ivrfax fast tips
APD60
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Copyright Microsoft Corporation 1995.


 
