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2.4.2. Step 2: Update the User Software Portion
To update the user software portion of flash memory on your board, follow these steps:
- Prepare your software image and change it to the user_flash.flash file with the elf2flash utility. Make sure that the "--reset" option is set to Flash memory base address + Reset Vector Offset (0x0083_0000).
- Perform the steps in Step 1: Connect to the Board Update Portal to display the Board Update Portal web page.
- In the Software File Name field, specify your user_flash.flash file.
- Click Upload.
- Reprogram the user dual configuration image into Configuration Flash Memory (CFM).
- Image 0: BUP A build
- Image 1: User Nios® II processor-based build
- Make sure the user Nios® II processor-based build boots up from the reset vector offset "0x0083_0000".
- Power off the board.
- Change the SW2.2 to the OFF position (1) to make sure that it boots up from image 1.
- Power on the board.
The new user software image and user hardware build are now running in the FPGA.