IBM Support

Power State Information

Technote (troubleshooting)


Information regarding power states for Power Management:

Resolving the problem

Information regarding power states for Power Management:

Computer state ACPI State Wake-on-LAN controlled by Scheduled Wake-from-Standby possible Resume Process* Typical Power Used*
Powered on S0 n/a n/a n/a Full Power
Standby / Sleep S3 OS settings Yes Computer state in memory (faster resume) Older computers often use more power (30 watts) and newer computers often use much less (<5 watts)
Hibernate S4 BIOS/NIC Settings No Memory must be loaded from disk (med time resume) <2 watts
Powered off S5 BIOS/NIC Settings No Standard boot times (slower resume) <2 watts

* Can vary significantly by computer model.

Historical Number


Document information

More support for: IBM BigFix family

Software version: All Versions

Operating system(s): Platform Independent

Software edition: All Editions

Reference #: 1506257

Modified date: 16 February 2015

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