IBM eServer OpenPower 720, Technical Overview And Introduction

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Chapter 2. Architecture and technical overview
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to set flags that affect the operation of the system, according to the provided password, such
as auto power restart, to view information about the system (such as the error log and VPD),
network environment access setup, and to control the system power.
You can start and shut down the system in addition to setting IPL options. This server has a
permanent firmware boot side, or A side, and a temporary firmware boot side, or B side. New
levels of firmware should be installed on the temporary side first in order to test the update’s
compatibility with your applications. When the new level of firmware has been approved, it
can be copied to the permanent side.
In the SMI and ASMI, you can view and change the following IPL settings:
򐂰 System boot speed.
Fast or Slow. Fast boot results in skipped diagnostic tests and shorter memory tests
during the boot.
򐂰 Firmware boot side for next boot.
Permanent or Temporary. Firmware updates should be tested by booting from the
temporary side before being copied into the permanent side.
򐂰 System operating mode.
Manual or Normal. Manual mode overrides various automatic power-on functions, such as
auto-power restart, and enables the power switch button.
򐂰 AIX/Linux partition mode boot, available only if the system is not managed by the HMC.
– Service mode boot from saved list. This is the preferred way to run concurrent AIX
diagnostics.
– Service mode boot from default list. This is the preferred way to run stand-alone AIX
diagnostics.
– Boot to open firmware prompt.
– Boot to System Management Service (SMS) to further select the boot devices or
network boot options.