SUN PC-NFS Version 3.5C and Windows 3.1

ID: Q82739

The information in this article applies to:

Microsoft Windows operating system versions 3.1, 3.11

SUMMARY

SUN PC-NFS is not directly supported by Windows 3.1. The Windows Setup program detects it as NO NETWORK INSTALLED. SUN PC-NFS may work correctly with Windows 3.1 if you modify the SYSTEM.INI file as described in this article.

NOTE: Version 3.5C should be used for the modification. However, please note that even with the modifications, PC-NFS is still not directly supported by Windows 3.1.

SYSTEM.INI

Using a text editor, add the following line to the [386Enh] section of the SYSTEM.INI file:


   UniqueDosPSP=True

MORE INFORMATION

Viewing and Connecting to Network Shares

With version 3.5C of PC-NFS, you cannot view a network printer queue from within Print Manager. Also, you cannot connect or disconnect network drives from within File Manager. You can still make the connection to a PC-NFS host server either from MS-DOS before going into Windows or from an MS-DOS command prompt in Windows.

Network connections made from an MS-DOS command prompt before entering Windows appear as local drives in File Manager. The connections are accessible from File Manager or any MS-DOS command prompt. You can disconnect the network drive from an MS-DOS command prompt.

Network connections made from an MS-DOS command prompt in Windows are only visible to that MS-DOS session. This network connection is not visible from File Manager or from MS-DOS after you exit Windows.

3COM Interrupt Conflict

If you run Windows in 386 enhanced mode and have a 3COM board installed and configured for IRQ3, the machine may hang or lock up when you try to access a remote drive or printer. If a problem occurs, either use a different interrupt setting on the network card, or run Windows in standard mode.

Swap and Temporary Files

Any 386-enhanced mode swap files or standard mode temporary files should be created on a local drive. The SYSTEM.INI settings and MS-DOS environment variables listed below should NOT refer to a remote drive:


   Section of SYSTEM.INI         Setting
   -------------------------------------

   [386Enh]                      PagingFile=(path to a local drive)
   [NonWindowsApp]               SwapDisk=(path to a local drive)

   MS-DOS Environment Variable
   ---------------------------

   SET TEMP=(any directory that exists on a local drive)

PIFs for PC-NFS 3.5C Utilities

When creating a .PIF file for PC-NFS utilities in 386 enhanced mode, be sure to use the Lock Application Memory In Advance option in the PIF editor. Failure to do so may result in system crashes or data loss.

Additional query words: 3.10

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