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Altera_Forum's avatar
Altera_Forum
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13 years ago

"system id mismatch" error for multiprocessor application

Hello everyone, I am trying to implement a microprocessor application by using two NIOS II. However, I have got a "system id mismatch" error during the debugging process. This error occurs for...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

No it looks like you are doing things as you should. Do both CPUs have their own system id component, and do you have one to one connections (i.e. only cpu1 connected to system id 1 and only cpu2 connectdd to system id 2)?

When it says there is a mismatch, what are the expected and the actually read values for cpu2? Do they look like the values for cpu1?