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It seems that the format of the Block Design Files (.bdf) was changed in Quartus 10.0.
When opening with Quartus 9 a .bdf file created in Quartus 10.0, a "unsupported version number 1.4" error results. The file can be opened with Quartus 9 doing the following changes: . Open the .bdf file with a text editor. . Look for the header line: (header "graphic" (version "1.4")) . Change the version from 1.4 to 1.3 . Save the file. But I suspect that with this method some information may be lost. Is there better way to convert the files? julioLink Copied
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BSF files (like any other Quartus format) are not forward compatible, so while your hack solution may work, there is no way to ensure you won't have some issue somewhere else.
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--- Quote Start --- ..., so while your hack solution may work, there is no way to ensure you won't have some issue somewhere else. DK --- Quote End --- I agree, that's why I ask for a better solution. julio
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--- Quote Start --- it seems that the format of the block design files (.bdf) was changed in quartus 10.0. When opening with quartus 9 a .bdf file created in quartus 10.0, a "unsupported version number 1.4" error results. The file can be opened with quartus 9 doing the following changes: . Open the .bdf file with a text editor. . Look for the header line: (header "graphic" (version "1.4")) . Change the version from 1.4 to 1.3 . Save the file. But i suspect that with this method some information may be lost. Is there better way to convert the files? Julio --- Quote End --- thankyou!!:d
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