Power Management Features (9546, 9547)



Power Management Features

Three power management modes are provided by the computer to reduce power consumption and prolong battery power.

Standby Mode 

When in standby mode the following occurs:


Events that cause the computer to enter standby mode: 


Events that cause the computer to exit or resume standby mode: 


Suspend Mode 

When in suspend mode, the following, in addition to the four actions of standby mode, occur:


NOTE:
  1.  In the ThinkPad Features program, the computer can be set to  'Will not suspend even if LCD is closed'.
  2.  In the ThinkPad Features program, the  computer can be set to  'suspend hibernate while docked.'
  3.  When the computer is powered with ac power and is used  with one of the communication PC cards, the computer enters standby mode , the PC card and application program  remain active.
  4.  In the following conditions, the computer cannot enter suspend  mode:



Events that cause the computer to enter suspend mode: 


Events that cause the computer to exit or resume suspend mode: 


Hibernation Mode 

When in hibernation mode, the following occurs:


NOTE:
  1.  In the ThinkPad Features program, the  computer can be set to suspend hibernate while docked. 
  2.  The computer cannot enter hibernation mode when:



Any of the following events can cause the computer to enter hibernation mode:


The following event causes the computer to exit hibernation mode:


When power is turned on, the hibernation history in the boot record on the hard disk is recognized and system status is restored from the hard disk to resume operation.


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