IBM Power 720 Overview page 193

For Power Systems, select the Power link. Figure 4-6 shows an example.
Figure 4-6 Support for Power servers web page
Although the content under the Popular links section can change, click the Firmware and
HMC updates link to go to the resources for keeping your system's firmware current.
If there is an HMC to manage the server, the HMC interface can be use to view the levels of
server firmware and power subsystem firmware that are installed and that are available to
download and install.
Each IBM Power Systems server has the following levels of server firmware and power
subsystem firmware:
Installed level
This level of server firmware or power subsystem firmware has been installed and will be
installed into memory after the managed system is powered off and then powered on. It is
installed on the temporary side of system firmware.
Activated level
This level of server firmware or power subsystem firmware is active and running
in memory.
Accepted level
This level is the backup level of server or power subsystem firmware. You can return to this
level of server or power subsystem firmware if you decide to remove the installed level. It is
installed on the permanent side of system firmware.
Chapter 4. Continuous availability and manageability
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