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9-4 C122-E003-02EN
EFI
CHAPTER 9 EFI Overview
9.1.3 Controlling auto-boot processing
By default, Boot Manager executes OS boot processing immediately during power-on
boot processing. If no OS is installed, the EFI shell is started.
However, you can interrupt the boot processing and display the Boot Manager menu
as follows:
(1) Displaying the Boot Manager menu by making a setting from the MMB
Web-UI
Auto-boot can be temporarily cancelled with an MMB Web-UI operation. For details,
see Section 10.1 "Starting Boot Manager."
(2) Displaying the Boot Manager menu by changing the Timeout value in
an NVRAM variable.
You can use the Timeout value in an NVRAM variable to specify the wait time for
boot processing. Specify a period ranging from 1 and 65534 seconds for Timeout.
Boot processing is suspended and the Boot Manager menu is displayed during the
specified period. The default value is 0.
If a value other than 0 is specified for Timeout and a key is pressed for input during
the wait time, auto-boot processing resumes.
For details, see Section 10.3.5 "Set Auto Boot Timeout window."