AST 386 FastBoard May Cause EMM386 Error (82273)

The information in this article applies to:
    Microsoft MS-DOS operating system 5.0
    Microsoft MS-DOS operating system 5.0a
    Microsoft MS-DOS operating system 6.0
    Microsoft MS-DOS operating system 6.2
    Microsoft MS-DOS operating system 6.21
    Microsoft MS-DOS operating system 6.22

This article was previously published under Q82273


AST Research has confirmed that loading MS-DOS 5.0 and later EMM386.EXE on an AST Premium 286 computer with an AST 386 FastBoard upgrade may cause the following error message on startup:

EMM386 Privileged Operation Error #01
Deactivate EMM386 and Continue(C) or reBoot(B):


The AST 386 FastBoard is an 80386 upgrade for AST 80286 motherboards. This error may occur if the 386 FastBoard driver FB386.SYS is not loaded before EMM386.EXE in the CONFIG.SYS file.


Loading the 386 FastBoard device driver, FB386.SYS, before EMM386.EXE in the CONFIG.SYS file may correct the error. The following is an example of how the drivers should be loaded in the CONFIG.SYS file:



The product included here (AST 386 FastBoard) is manufactured by vendors independent of Microsoft; we make no warranty, implied or otherwise, regarding this product's performance or reliability.

Modification Type: Major Last Reviewed: 5/12/2003
Keywords: KB82273