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Q77052: Default Values for Drivers/Commands in CONFIG.SYS

Article: Q77052
Product(s): Microsoft Disk Operating System
Version(s): MS-DOS:5.0
Operating System(s): 
Keyword(s): 
Last Modified: 19-NOV-1999

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The information in this article applies to:

- Microsoft MS-DOS operating system version 5.0 
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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)

Additional query words: 5.00 a20 handler

======================================================================
Keywords          :  
Technology        : kbMSDOSSearch kbMSDOS500
Version           : MS-DOS:5.0

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