My PXI-5404 fails to initialize. Most of the time, it gives me error –1074135039, saying that the calibration constants in the EEPROM produced an invalid board configuration. Every once in a while, the session will initialize properly, but my output signal doesn't seem to be correct.
If your system has never run into this issue and you do not plan to upgrade your software stack or processor, you are unlikely to be affected by this. The issue comes about when software executes quickly enough that the calibration constants have not been fully transferred to the FPGA, so anything that increases the speed of software operations could potentially put you at risk of seeing this behavior.
The two main contributors to this are having a newer, higher-performance system, and the presence of the software program NI-ORB 18.5 or newer of the National Instruments system component NI-ORB. NI-ORB installs with NI-DAQmx and is used by other libraries. NI-ORB 18.5 included a performance improvement that increased the likelihood of seeing this issue. If you are running NI-ORB 18.5 or newer on a newer computer computer with a high CPU clock rate, there is a relatively high chance that you may encounter this error.
To check what version of NI-ORB you are running, launch Windows Explorer, and navigate to C:\Windows\System32. Right click niorbu.dll and click Properties. Under the Details tab, look at Product version. If your version is 18.5 or higher, including 19.x.x, you are at risk for this issue.What should I do if I'm affected, or at risk of being affected?If you are affected by this or concerned that you may be at risk, National Instruments recommends upgrading to NI-FGEN 19.5.1 or newer, which contains a fix for this issue.
If your program utilizes traditional DAQ devices or you have another concern about using a 19.x version of NI-FGEN, NI-FGEN 18.5.1 contains the fix as well.
If your program utilizes older software or the system has not been upgraded in several years and you have never encountered this issue, you are likely not affected - no action is needed.
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