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System Management Guide: Operating System and Devices

Chapter 17. Power Management

Note: The information in this section is specific to POWER-based.

Power Management is a technique that enables hardware and software to minimize system power consumption. It is especially important for products that operate with batteries and desktop products.

See Power Management Limitation Warnings in the AIX 5L Version 5.1 System User's Guide: Operating System and Devices, which contains important information for all Power Management users.


You must have root user authority to perform most Power Management tasks.


You can use the following tools to perform the Power Management tasks in the following table:

Power Management Tasks
Task SMIT Fast Path Command or File PM Application
Enable Events smit pmEnable pmctrl -e -a enable /usr/lpp/x11/bin/xpowerm
Disable Events smit pmEnable pmctrl -e -a full_on /usr/lpp/x11/bin/xpowerm
Configure Power Management smit pmConfigConfigure mkdev -l pmc0  
Unconfigure Power Management smit pmConfigUnconfigure rmdev -l pmc0  
Start System State Transition smit pmState pmctrl -e -a suspend /usr/lpp/x11/bin/xpowerm
Change/Show Parameters smit pmData pmctrl /usr/lpp/x11/bin/xpowerm
Change Timer Setting smit pmTimer pmctrl /usr/lpp/x11/bin/xpowerm
Change Display Power Management smit pmDisplaySelect pmctrl /usr/lpp/x11/bin/xpowerm
Change Idle Time for Each Device pmDevice pmctrl /usr/lpp/x11/bin/xpowerm
Show Battery Information smit pmBatteryInfo battery /usr/lpp/x11/bin/xpowerm
Discharge Power Management Battery smit pmBatteryDischarge battery -d /usr/lpp/x11/bin/xpowerm

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