Microsoft KB Archive/84589

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Certain Phoenix BIOS Versions Hang System with CTRL+ALT+DEL

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Q84589

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The information in this article applies to:


 * Microsoft Windows versions 3.1, 3.11

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SUMMARY
The following information has been reported by Phoenix Technologies. Microsoft has not tested this and makes no warranty implied or otherwise as to the validity of the following problem and/or workaround.

INFORMATION FROM PHOENIX TECHNOLOGIES
A problem has been reported when using certain versions of Phoenix BIOS and loading the MS-DOS or Windows 3.1 version of EMM386.EXE.

PROBLEM DESCRIPTION
When pressing CTRL+ALT+DEL when using MS-DOS Prompt with the Windows 3.1 version of EMM386.EXE loaded, the system hangs. This problem also occurs when using the MS-DOS 5.0 version of EMM386.EXE with the RAM option, or if KEYB.COM is loaded with MS-DOS 5.0 EMM386.EXE.

WORKAROUND
This workaround should be used ONLY if the system displays the symptom described above. In those instances tested, the following workaround has been verified to resolve the problem. Edit the EMM386.EXE line in your CONFIG.SYS file to include the following parameter:

"X=ffff-ffff" For example: Original:

device=c:\windows\emm386.exe Modified:

device=c:\windows\emm386.exe x=ffff-ffff

SIDE EFFECTS
When the modified EMM386.EXE statement is executed, the following message is returned:

WARNING: User specified range overlaps. Press any key to continue....

Aside from the inconvenience of the pause, which times out, allowing the computer to continue executing the CONFIG.SYS file, no other side effects have been observed.

Additional query words: 3.10 3.11 3rdparty boot reboot re-boot

Keywords :

Issue type :

Technology : kbWin3xSearch kbWin310 kbWin311