Do you have other version of Quartus installed on your machine? Might be that it is still associating with your older version of Quartus... There are several things you can check:
- QUARTUS_ROOTDIR environment variable... make sure that's 8.0 as well
- Just fire up Quartus 8.0 first, before launching your DSP Builder... this changes your the internal registries associated with the Quartus...
- Type ver in Matlab command prompt, making sure that you do have the correct 8.0 version DSP Builder running...
- You can always try re-set up the megacores from inside DSP Builder (typing "alt_dspbuilder_setup_megacore" at Matlab command prompt).
- If you had an older version of Quartus/DSP Builder before, might be possible that your IP cache folder is corrupted... In that case, delete .altera.quartus folder from your Document and Setting folder (should just be located in C:/Document and Setting/<your user name>... and then restart Matlab and DSP Builder...
- Can always try uninstalling and reinstalling DSP Builder...
Please feel free to add to this post if you know others methods that Dan should try...
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