48 Using the System Setup Program and UEFI Boot Manager

Power Management Screen

System Security Screen

Option Description
Power
Management
(Active Power
Controller
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
.
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.
Option Description
System Password Displays the current status of the password security
feature and allows a new system password assignment and
verification.
NOTE: For more information, see "Using the System
Password" on page 51.
book.book Page 48 Friday, January 6, 2012 2:11 PM