5-7File control submenuSelect 4 from the BootWare main menu to enter the file control submenu. The following information isdisplayed:=================================================================|Note:the operating device is flash ||<1> Display All File(s) ||<2> Set Application File type ||<3> Delete File ||<0> Exit To Main Menu |===============================================================================Enter your choice(0-3):BootWare operation submenuSelect 7 from the BootWare main menu to enter the BootWare operation submenu. The followinginformation is displayed:======================================================|Note:the operating device is flash ||<1> Backup Full BootWare ||<2> Restore Full BootWare ||<3> Update BootWare By Serial ||<4> Update BootWare By Ethernet ||<0> Exit To Main Menu |===============================================================================Enter your choice(0-4):Storage device operation submenuSelect 9 from the BootWare main menu to enter the storage device operation submenu. The followinginformation is displayed:===============================================================|<1> Display All Available Nonvolatile Storage Device(s) ||<2> Set The Operating Device ||<3> Set The Default Boot Device ||<0> Exit To Main Menu |===============================================================================Enter your choice(0-3):Updating Software Through a Serial ConnectionIntroduction to XMODEMTo update BootWare and applications through a serial connection, use the XMODEM protocol.XMODEM is a file transfer protocol that is widely applied due to its simplicity and good performance.XMODEM transfers files through serial ports. It supports two types of data packets (128 bytes and 1 KB),two check methods (general checksum and CRC), and error packet retransmission mechanism(generally the maximum number of transmission attempts is ten).The XMODEM transmission procedure is completed by the cooperation of a receiving program and asending program. The receiving program sends a negotiation packet to negotiate the packet check
