Archived: Legacy PXIe-5644R/5645/5646R Instrument Design Libraries and Operating System Compatibility

NI does not actively maintain this document.

This content provides support for older products and technology, so you may notice outdated links or obsolete information about operating systems or other relevant products.


For NI RF driver compatibility, please see NI Hardware and Operating System Compatibility


This page shows supported versions of the NI PXIe-5644R/5645R/5646R Instrument Design Libraries with Microsoft Windows and Phar Lap operating systems. Reference this information to ensure you install the correct version when upgrading or updating your operating system, or when migrating or porting code to a new system. Using incompatible versions may result in errors, the inability for Windows to recognize or detect and then find a driver for your device, or missing devices in Windows Device Manager or NI Measurement & Automation Explorer (MAX).

NI PXIe-5644R/5645R/5646R Instrument Design Libraries and Microsoft Windows Desktop Operating Systems Compatibility Table

You should consider the compatibility of the application with which you intend to utilize the NI PXIe-5644R/5645R/5646R Instrument Design Libraries, not just the operating system. See the Related Links section for more information, and the NI PXIe-5644R/5645R/5646R Instrument Design Libraries readme for compatibility information related to specific devices.

In the Downloads section at the bottom of this page, you can download a copy of this table, which may include older software versions.

Use this table to compare versions of NI PXIe-5644R/5645R/5646R to compatible editions of Windows Desktop operating systems



Microsoft Windows - Desktop Versions Real-Time OS
IDL 10 8.1 8 7 Vista XP Phar Lap*

* NI will remove support for Phar Lap for cRIO in the NI 2020 Software Release and for PXI in the NI 2022 Software Release. For more information, please see the Phar Lap RT OS EOL Road Map.

Compatible Version

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