This version of Nios II Embedded Design Suite software will no longer be available after 6/26/2020. This version does not include the latest functional and security updates and will not be supported. All versions are provided as is. Intel recommends that users of this version uninstall and discontinue use as soon as possible. Users should upgrade to the latest available software version for their device and follow the technical recommendations to help improve security.
Additional device support for Cyclone® IV GX and E, Arria II GX, Stratix IV GT and E
Contains fixes for an issue for customers using the Altera Vectored Interrupt Controller (VIC) along with the Nios II Enhanced Interrupt Controller (EIC) port provided in the ACDS 9.1 release. This issue does not affect users who are using the (default) Nios II internal interrupt controller.
You must update Quartus II software version 9.1 to service pack 2 to use the Nios II Embedded Design Suite version 9.1 service pack 2.
Download Quartus II Subscription Edition version 9.1 service pack 2 (downloadable patch) Download Quartus II Web Edition version 9.1 service pack 2 (full Quartus II software download)
Additional device support for Cyclone® IV GX and Cyclone IV E devices
Version number of the Nios II Embedded Design Suite is incremented to reflect the service pack
You must update Quartus II software version 9.1 to service pack 1 to use the Nios II Embedded Design Suite version 9.1 service pack 1.
Download Quartus II Subscription Edition version 9.1 service pack 1 (downloadable patch) Download Quartus II Web Edition version 9.1 service pack 1 (full Quartus II software download)
Table 1. System Requirements
Windows Vista (32 bits)
Windows XP (32 bits)
Red Hat Linux Enterprise 4/5 (32/64 bits)
SUSE Linux Enterprise 9/10 (32/64 bits)
To download and uncompress all files, requires 4 Gbytes of free disk space. Installation requires an additional 5 Gbytes of disk space. You can delete the 4 Gbytes of download and uncompressed files from your hard drive after installation is complete.
Nios II C2H Compiler: You can create, compile, and generate time-limited Nios II processor systems and hardware accelerators generated by the Nios II C2H Compiler without obtaining a license file by using the OpenCore Plus evaluation feature. You must obtain a license for the Nios II processor core (ordering code: IP-NIOS) and Nios II C2H Compiler (ordering code: IPT-C2H-NIOS) to generate non-time-limited programming files and flash programming files. Contact your local Altera representative or use Altera Tools Support to order today. You do not need a license if you will only be developing software using the Nios II IDE.
NicheStack TCP/IP Stack–Nios II Edition: You can develop software for any of the Nios II development kits using the NicheStack TCP/IP Stack, Nios II Edition evaluation. To generate software to run on other boards and/or ship in a product, you must obtain a license (ordering code: IPSW-TCP/IP-NIOS). Contact your local Altera representative or Altera Tools Support to order today.
Micrium MicroC/OS-II RTOS: You can develop software for any of the Nios II development kits using the Micrium MicroC/OS-II RTOS. To generate software to run on other boards and/or ship in a product, you must obtain a license. To obtain a license for the Micrium MicroC/OS-II RTOS, contact Micrium today.
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Additionally, you can find answers to many questions in the Nios Forum area of the Altera Forum.