©
National Instruments Corporation
C-1
C
Troubleshooting and
Common Questions
This appendix describes how to troubleshoot common problems that occur
while getting started with Fieldbus.
Error Messages
Unable to download stack to board X.
You might have a memory base address conflict. Try configuring your card
to use a different base address, as described in Chapter 2,
Utility could not access or locate the registry.
•
If using Windows 2000/NT, make sure you are logged in to
Windows 2000/NT with administrator privileges.
•
Your registry entries for NI-FBUS may have been deleted or corrupted.
Uninstall, then reinstall the NI-FBUS software as described in the
NIFB could not locate any usable Fieldbus boards.
Stop the card, remove it, then reinsert it.
Board cannot be found.
1.
Verify the base address and IRQ settings as described in the
2.
Select
Start»Programs»National Instruments FBUS»Interface
Config
. Make sure your card appears under the list of interfaces.
3.
Make sure the kernel-mode driver is started. To start the driver, select
Start»Settings»Control Panel»Devices»Nifb
. Click the
Start
button.
To avoid manual startup in the future, click
Startup
and select
Automatic
.
