In Quartus Prime Standard Edition v23.1, a fatal error occurs when attempting to create an ALTPLL IP using the MegaWizard Plug-In Manager. This is a known bug in v23.1 that affects GeMRTOS Nios V FPGA design flows relying on PLL IP generation. Intel has released a patch to resolve it.
Issue Description #
Due to a problem in the Quartus® Standard Edition Software version 23.1, you might see a fatal error when creating an ALTPLL IP using the MegaWizard Plug-In Manager. This issue is scheduled to be fixed in a future release of the Quartus® Prime Standard Edition Software.
How to Fix It #
Download and install the patch for Quartus® Prime Standard Edition Software version 23.1. Patches are available for both Windows and Linux:
- Quartus® Prime Standard Edition Software v23.1 Patch 0.02std for Windows (.exe)
- Quartus® Prime Standard Edition Software v23.1 Patch 0.02std for Linux (.run)
- Readme for Quartus® Prime Standard Edition Software v23.1 Patch 0.02std (.txt)
Key Takeaways #
- This fatal error affects Quartus Prime Standard Edition v23.1 only — earlier and later versions are not affected.
- The fix is a patch installer (0.02std) available for both Windows (.exe) and Linux (.run) — no full reinstallation needed.
- After applying the patch, ALTPLL IP creation via MegaWizard proceeds normally in your GeMRTOS Nios V FPGA design flow.
Source: Intel Support, Article 000098457.
