factory_recovery: This directory contains the restore.sh script which writes restore_0 and restore_1 factory flash files to the flash device on the board In the unlikely event that factory flash gets erased, please follow instructions as described in the User's Guide, chapter entitled: "Restoring the Flash Device with the Factory Settings" dual_die_flash: Contains the factory recovery files for dual-die flash versions of the board. P/N is PC48F4400P0VB00 build_factory_source: For advanced users This directory contains a build_restore.sh script which generates the restore_0 and restore_1 factory flash files from files created by various Altera tools. For more information refer to build_factory_readme.txt in the build_factory_source directory software_resources: For advanced users This directory contains an html_a2gx125 web content directory and boot_code source directory for generating the software boot loader For more information refer to eb_content_readme.txt in the software_resources directory