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
 # of stacks     8 (or 0)       64             0 (IBM PC)

                                               9 (others)

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

                                               128 (others)