Microsoft KB Archive/66740

= BUG: CTRL+NUM/ May Be Read as CTRL+/ in MS-DOS with NUM LOCK On =

Article ID: 66740

Article Last Modified on 10/23/2003

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APPLIES TO


 * Microsoft Programmer's Workbench for MS-DOS 1.0
 * Microsoft Programmer's Workbench for MS-DOS 1.1
 * Microsoft Programmer's Workbench for OS/2 1.0
 * Microsoft Programmer's Workbench for OS/2 1.1

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This article was previously published under Q66740



SYMPTOMS
In the Programmer's WorkBench (PWB) versions 1.0 and 1.1, the CTRL+NUM/ (CTRL+/ on the numeric keypad) and ALT+NUM/ (ALT+/ on the numeric keypad) combinations may be interpreted as CTRL+/ and ALT+/ (on the main keyboard). This problem happens only in DOS or in the DOS 3.x box of OS/2, and only on certain computers. This behavior will cause any macro or function assigned to CTRL+NUM/ or ALT+NUM/ to not execute when NUM LOCK is on.



STATUS
Microsoft has confirmed this to be a problem in PWB version 1.0 and 1.1. We are researching this problem and will post new information here as it becomes available.



MORE INFORMATION
To reproduce this problem, assign a function or macro to CTRL+NUM/. Then run the TELL function (CTRL+T by default) and press CTRL+NUM/. The TELL function prompts for a keystroke, then displays the name of the keystroke and the function assigned to it. With NUM LOCK on, TELL will return the following:

unassigned:Ctrl+/

With NUM LOCK off, TELL will return the following:



This behavior is identical for the ALT+NUM/ key name, but works properly for all other key names on the numeric keypad.

If NUM LOCK is off, or if the protected-mode version of PWB is run, this behavior does not occur.

This behavior has been observed on the following machines:

Northgate 386-33

PS/2 Model 70

PS/2 Model 80-311

Additional query words: 1.00 1.10 buglist1.00 buglist1.10

Keywords: kb16bitonly KB66740

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