
Supported IPMI Commands
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8.1.7.1.3 System Boot Options Parameter #100
The system boot options parameter #100 allows you to send multiple boot options to the
blade’s BIOS and thus control the boot process. The boot options which you can configure
using this parameter are typically a subset of the boot options which you can configure in the
BIOS directly, for example, using a Setup menu.
The IPMC contains a storage area where the boot parameters are stored. When the blade
boots, the BIOS reads out the storage area, interprets the parameters and executes the boot
process accordingly.
The storage area is divided into two parts: the default area and the user area. The user area can
be read and written by an IPMI user and default is, the area which the BIOS reads out and uses
during the boot process. The default area can only be read by both the IPMI user and the BIOS.
Its purpose is to store factory-programmed default boot options which can be used to restore
the standard settings. If you want the BIOS to read out and use the boot parameters stored in
the default area and thus use the factory settings, you need to configure the blade accordingly.
This is typically done by an on-board switch (for example: Clear CMOS RAM). The settings
stored in the default area are dependent on the blade and firmware
used. The details are given
in the following sections.
The System Boot Options parameter #98 is non-volatile. During blade production its
data is initialized to 0x6E and its state is set to invalid. Its parameter data remains
preserved after IPMC power cycles and firmware upgrades.
NOTICE
The boot parameters in the IPMC storage area have higher priority than the same boot
options, which may be configured in the firmware itself, for example, using the setup
menu.
On the ATCA-7540 blade with particular firmware types, changing a boot parameter in
the firmware setup menu changes the boot parameter in the user area as well, if the
same parameter is defined both in the user area and the setup menu.
Содержание ATCA-7540
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