Using the System Setup Program and UEFI Boot Manager 67
Power Management Screen
Option Description
Power
Management
(OS Control
default)
Options are OS Control, Active Power Controller, 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.
•
Active Power Controller
sets the CPU power to
System DBPM
,
the fan power to
Minimum Power
, and the memory power to
Maximum Performance
. The BIOS 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, System 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.
R415HOM.book Page 67 Friday, September 24, 2010 9:37 AM