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Syntax
Turns on or off EMM386 expanded memory support.
EMM386 [ON | OFF | AUTO] [W=ON | W=OFF]
| ON | OFF | AUTO |
Activates or suspends EMM386.EXE device driver, or places it in auto
mode. |
| W=ON | OFF |
Turns on or off Weitek coprocessor support. |
Examples
EMM386 = Typed alone would load the extended memory manager,
usually by default this would be loaded in the autoexec.bat.
EMM386 error messages
| EMM386 error number |
Description |
| 0 |
Divide Error |
| 1 |
Debugger interrupt |
| 2 |
Nonmaskable interrupt |
| 3 |
Breakpoint |
| 4 |
Overflow interrupt |
| 5 |
Array boundary violation. |
| 6 |
Invalid Opcode |
| 7 |
Coprocessor not available. |
| 8 |
Double fault |
| 9 |
Coprocessor segment overran. |
| 10 |
Invalid task statement. |
| 11 |
Segment not present. |
| 12 |
Stack exception. |
| 13 |
General Violation |
| 14 |
Page fault |
| 16 |
Coprocessor Error |
To resolve error 12 from C:\> type
edit
config.sys and add the below line STACKS=16,256; if you already have a stacks
line in the config.sys, ensure it is =16,256.
Error 13 is an indication that a software
program / driver is trying to use protected mode without cooperating with EMM386. You may
need to obtain VCPI-compliant version of the program / driver from your vendor to correct
this error message.
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