Appendix B: Configuration or Firmware Upgrade with a USB Drive444Tip: You can remove the USB drive and plug it into another EMX forperforming the same task(s) once the happy smiley or the firmwareupgrade message displays.If nothing is shown on the display and no task is performed after pluggingthe USB drive, check the log file in the USB drive.In This ChapterSystem and USB Requirements............................................................444Configuration Files.................................................................................444Firmware Upgrade via USB...................................................................453System and USB RequirementsYou must satisfy ALL of the following requirements prior to using a USBflash drive to perform device configuration and/or firmware upgrade.EMX system requirements: There is at least one USB-A port available on your Raritan device. Your EMX must be version 2.2.13 or later.Note that the EMX interpreted the USB drive contents using thefirmware which was running when plugging the USB drive into theEMX, not the new firmware after firmware upgrade.USB drive requirements: The drive must contain a single partition formatted as a WindowsFAT32 filesystem. The drive must contain a configuration file called fwupdate.cfg in itsroot directory. See fwupdate.cfg (on page 446).Configuration FilesThere are three types of configuration files. fwupdate.cfg:This file MUST be always present for performing configuration orfirmware upgrade tasks. See fwupdate.cfg (on page 446). config.txt:This file is used for configuring device settings. See config.txt (onpage 449). devices.csv:This file is required only when there are device-specific settings toconfigure for multiple EMX devices. See devices.csv (on page 451).
