IA-32 Intel® Architecture Software Developer's Manual Documentation Changes describes fixes made to the IA-32 Software Developer’s Manual between versions. At present, downloadable PDFs and distribution CDROMS are at version 017; printed books are at version 016. There are no major differences between the two versions. Fixes integrated into version 017 are detailed in the change document. For this information, go to the download page for document number 252046.