Microsoft KB Archive/72758

= EMM386.EXE with IBM PCS 3270 Causes Lockup =

Article ID: 72758

Article Last Modified on 11/22/1999

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APPLIES TO


 * Microsoft MS-DOS 5.0 Standard Edition

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This article was previously published under Q72758



SUMMARY
Running the PCS batch file to start the IBM 3270 emulation program will hang the system. It appears to load the program but does not return to the command prompt and locks up the system.

When IBM PCS version 1.0, 1.21, or 3.0 is spawned with EMM386.EXE loaded with NOEMS or RAM switch in CONFIG.SYS, it will hang the system. The system will need a hard boot.

Excluding C000-CFFF with EMM386.EXE will solve the problem. For example:   device=c:\dos\emm386.exe noems x=c000-cfff

Additional query words: 5.00 noupd

Keywords: KB72758

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