56 | System Bootw w w . d e l l . c o m | s u p p o r t . d e l l . c o m To configure the chassis from the BOOT_USER prompt, use the following commands:Command Purposehelpor?• Enter help or ? to display a list of available commands and syntax.• Enter syntax help t display syntax information and variable descriptions.boot change {primary | secondary |default}If your configuration displays no pre-configured operating system bootparameters, use the boot change command to edit appropriate fields.• The primary operating system boot parameters are used in the first attemptto boot the system.• The secondary operating system boot parameters are used if the primaryoperating system boot selection is not available.• The default operating system boot parameters are used if the secondaryoperating system boot parameter is not available. The default parametersalways reside on the internal flash drive (flash).NOTE: These parameters, as well as other boot parameters, can bemodified in run-time modeWhen you enter the boot change command, you are prompted for a response.• Enter a new parameter or press the ENTER key (carriage return) to acceptthe default parameter.• Enter . (period) to clear a field.• Enter - (dash) to edit a field above the current cursor position.NOTE: When you enter a new parameter that extends beyond 80characters, you cannot use the BACKSPACE key to correct any mistakes. Ifyou make a mistake, you must re-enter the parameter.show bootvar This command displays the current operating system boot configurationparametersshow bootflash This command displays information about the current boot ROM.interface management port config100minterface management port config10minterface management port configauto-negotiateinterface management port configno auto-negotiateinterface management port configfull-duplexinterface management port confighalf-duplexinterface management port configshow• Use these commands to set the speed and duplex settings for theManagement interface. The default setting is full-duplex and auto-negotiation.• Use the interface management port config show command to viewthe management interface’s physical settings.