OS/2 for Windows Compatibility with Microsoft Windows 3.11 Q's and A's

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Article Info
Author IBM
Date
OS Version IBM OS/2 2.1
Companion File N/A
Source

THE FOLLOWING INFORMATION HAS BEEN PREPARED FOR THE USE OF IBM EMPLOYEES/CONTRACTORS IN DISCUSSING OS/2 2.1 FOR WINDOWS 3.11 COMPATIBILITY CODE (WIN311.ZIP) WITH CUSTOMERS.

  1. What is this code and why would I want it?
    This code is necessary to allow OS/2 2.1 for Windows to interoperate with Microsoft Windows 3.11. This code is not needed by customers who have OS/2 systems or customers who have OS/2 for Windows systems but who do not have the 3.11 level of Windows. This code is also necessary for OS/2 2.1 for Windows to interoperate with Windows for Workgroups 3.11. However, applying this update does not make the Windows for Workgroups networking functions available to the OS/2 for Windows environment.
  2. What does this code do?
    This code modifies OS/2 code to allow it to interoperate with Microsoft Windows 3.11.
  3. How does this code install?
    This code installs on OS/2 2.1 for Windows by typing "A:install."
  4. Do I have to have Windows 3.11 installed already?
    Yes: either Windows 3.11 by itself or Windows for Workgroups 3.11.
  5. If I install this code on OS/2 for Windows, can I still use Windows 3.11 from DOS?
    Yes. For example, if you have a dual boot or boot manager system, you can run Windows 3.11 from DOS just as you did before you installed this code on OS/2 for Windows.
  6. Does this code upgrade my Windows 3.1 system to Windows 3.11?
    No. This code modifies OS/2 for Windows.
  7. Will this code work if I have OS/2 for Windows with ServicePak XR06300 applied?
    Yes. This code can be installed on OS/2 for Windows CSD levels XR02011 (the original OS/2 for Windows) and XR06300 (OS/2 for Windows plus servicepak XR06300).
  8. Does this code affect my Windows for Workgroups function?
    No. The networking functions of Windows for Workgroups 3.11 are available via OS/2 for Windows's dual boot capability to the native DOS and Windows for Workgroups environment. Applying this update does not make the Windows for Workgroups networking functions available to the OS/2 for Windows environment.
  9. If I install this code, will I see performance changes in running Windows 3.11 under OS/2 for Windows?
    We have not measured the performance of running Windows 3.11 under OS/2 for Windows versus running Windows 3.1 under OS/2 for Windows.
  10. Why did not OS/2 2.1 for Windows support Windows 3.11 when OS/2 2.1 for Windows was released?
    Availability of Windows 3.11 occurred after the availability of OS/2 2.1 for Windows.
  11. What happens if I try to use Windows 3.11 from OS/2 for Windows without installing this update first?
    You will get a SYS 3176 error message that will tell you "A program in this session encountered a problem and cannot continue." Your system will not trap or hang.

You will be able to recover and perform other functions in the OS/2 for Windows environment.