KnowledgeBase Archive

An Archive of Early Microsoft KnowledgeBase Articles

View on GitHub

Q164873: PCI Device Not Configured and Resources Unassigned

Article: Q164873
Product(s): Microsoft Windows 95.x Retail Product
Version(s): 2,2.1
Operating System(s): 
Keyword(s): kbhw osr2 win95 kbHardware
Last Modified: 25-MAR-2002

-------------------------------------------------------------------------------
The information in this article applies to:

- Microsoft Windows 95 OEM Service Release, versions 2, 2.1 
-------------------------------------------------------------------------------

SYMPTOMS
========

When Windows 95 OEM Service Release 2 (OSR2) is installed on your computer, some
PCI devices may not be configured properly. Device Manager may display an
exclamation point in a yellow circle next to the devices, with text stating that
the driver did not load or the driver is incorrect for the hardware. The
Resources tab may display an IRQ resource without assigned memory resources.

The same device may be configured correctly in Windows 95 or Windows 95 OEM
Service Release 1.

CAUSE
=====

If the PCI device does not request any memory resources in its first Base
Address register (BAR0), the remaining Base Address registers may not be decoded
properly. The requested resources may not be assigned, and the device may not
function.


RESOLUTION
==========


STATUS
======

This problem no longer occurs in Windows 98. To resolve this problem, install
the current version of Windows. For information about the current version of
Windows, visit http://www.microsoft.com/windows.

MORE INFORMATION
================


This behavior has been reported to occur with the following PCI devices:

- PCI-MXI-2 by National Instruments

- VXIpc-800/700 Series by National Instruments

Additional query words: 95

======================================================================
Keywords          : kbhw osr2 win95 kbHardware 
Technology        : kbWin95search kbOPKSearch kbWin95OPKOSR2 kbWin95OPKOSR210
Version           : :2,2.1
Issue type        : kbprb

=============================================================================

THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY.

Copyright Microsoft Corporation 1986-2002.