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Chapter 7
In the input selection level, you can select a source file that contains
configuration data. When you select a source configuration file, ibconf
obtains configuration settings from that source file. The settings are displayed
and you can then edit them.
The three types of configuration files are the driver residing on your hard disk,
the memory-resident driver, and the data file.
•
Driver—an NI-488.2M driver file for OS/2, such as gpib.sys, that you
copy from the distribution disk to your hard disk. Changes to a driver file
do not affect your application until the system is restarted.
Caution: Do not modify the master copy of gpib.sys on the
distribution disk. Make sure your distribution disk is write
protected.
•
Memory-resident driver—the NI-488.2M driver for OS/2 that is
loaded and resident in memory after system startup. Changes in the
memory-resident driver take effect for a given board or device only after all
current processes have closed that board or device and a new open is
performed.
Note:
You cannot change device names, board interrupt levels, or the Use
this GPIB Interface setting state in the memory-resident
driver. To change these settings, you must change them by using
ibconf (in the driver residing on your hard disk), then reboot the
system.
•
Data file—a binary file that stores configuration data. To load a data file to
the driver or the memory-resident driver, run ibconf and select the data
file as the source.
After you select a source configuration file, continue to the next level, the map
level. If you want to read a configuration from another source file, you must exit
and restart ibconf.
© National Instruments Corp.
ibconf—Interface Bus Configuration Utility
7-3
NI-488.2M SRM for OS/2
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