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32 Using the System Setup Program and Boot Manager
Power Management Screen
Option Description
Power Management
(OS Control default)
Options are OS Control, Custom, or Maximum
Performance. For all but the Custom setting, the BIOS
pre-configures the power settings on this screen as
follows:
•
OS Control
sets the CPU power to
OS DBPM
, the fan
power to
Minimum Power
, and the memory power to
Maximum Performance
. In this setting, all processor
performance information is passed from the system
BIOS to the operating system for control. The operating
system sets the processor performance based on
processor utilization.
•
Maximum Performance
sets all fields to
Maximum
Performance
.
If you select Custom, you can configure each
option independently.
CPU Power and
Performance
Management
Options are OS DBPM, Maximum Performance, or
Minimum Power.
Fan Power and
Performance
Management
Options are Maximum Performance or Minimum Power.
Memory Power and
Performance
Management
Options are Maximum Performance, a specified
frequency, or Minimum Power.