Microsoft KB Archive/77052

= Default Values for Drivers/Commands in CONFIG.SYS =

Article ID: 77052

Article Last Modified on 11/19/1999

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APPLIES TO


 * Microsoft MS-DOS 5.0 Standard Edition

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This article was previously published under Q77052



SUMMARY
The following is a list of the minimum, maximum, and default values for MS-DOS 5.0 devices/commands commonly used in the CONFIG.SYS file: Driver          Minimum        Maximum        Default --          ---        ---        ---

DISPLAY.SYS EGA cp#        0              6              6 LCD cp#        0              6              1

DRIVER.SYS /f:#           (only 1, 2, 7, 9)             2 /h:#           1              99             2 /s:#           1              99             depends on /f:# /t:#           1              999            depends on /f:#

EMM386.EXE EMS(K)         16             32768          256 handles        2              255            64

HIMEM.SYS /m:#           1              14             1*


 * Note: The default /m: value is hardware dependent

/int15=#       64             65535          0 /hmamin=#      0              63             0 /numhandles=#  1              128            32 RAMDRIVE.SYS DiskSize(K)    16             32767          64 SectSize(K)    (Only 128, 256, 512)          512 NumEntries     2              1024           64

SMARTDRV.SYS IniCacheSz(K)  128            8192           256 MinCacheSz(K)  128            8192           0

Commands        Minimum        Maximum        Default ---       ---        ---

BREAK           --             --             off

BUFFERS 128-255K RAM   1              99             5 256-511K RAM   1              99             10 512-640K RAM   1              99             15 Secondary cache 1             8              1

COUNTRY         --             --             001

DOS             --             --             LOW, NOUMB

DRIVPARM /f:#       (Only 0, 1, 2, 5, 6, 7, 8, 9)     2 /h:#           1              99             depends on /f:# /s:#           1              99             depends on /f:# /t:#           1              999            depends on /f:#

FCBS            1              255            4

FILES           8              255            8

LASTDRIVE       A              Z              1 > last drive

SHELL    (defaults to [boot drive:]\COMMAND.COM [boot drive:]\ /p)

STACKS
 * 1) of stacks     8 (or 0)       64             0 (IBM PC)

9 (others)

bytes/stack    32 (or 0)      512            0 (IBM PC)

128 (others)

Additional query words: 5.00 a20 handler

Keywords: KB77052

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