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4Configuration Software and
Utilities
The Extensible Firmware Interface (EFI) Boot
Manager
The EFI boot manager enables the user to control the booting environment of server. After
power is on, the boot manager activates the system with various ways according to the
boot option settings. For example, the user can boot the EFI shell, an operating system on
the network or on media in the server, or the boot maintenance menu.
•EFI Shell: A simple and interactive environment that can load the EFI device
drivers, start the EFI applications, and boot the operating systems. The EFI shell
also provides a series of commands that are used to manage files and system
environment variables. For details of the EFI shell, see “The Extensible Firmware
Interface (EFI) Shell” on page 134
•Boot Options: Files that the user included as boot options. By using the Boot
Maintenance Menu, the user can add and delete boot options. Each boot option
specifies an EFI executable with available options. See Table19 on page 132 for
information about the Boot Maintenance Menu options.
•Boot Maintenance: A menu of items that enables the user to set boot options and
other boot environment variables. Table19 on page 132 describes each menu item in
the Boot Maintenance Menu.