Dell PowerEdge 2970 Hardware Owner's Manual - Page 42

Integrated Devices Screen, Demand-Based, Power Management, CPU Information screen, support.dell.com - power requirements

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Table 2-4. CPU Information Screen (continued) Option Demand-Based Power Management (Disabled default) Processor X ID Description Enables or disables demand-based power management. When enabled, the CPU Performance State tables will be reported to the operating system; when disabled, the CPU Performance State tables will not be reported to the operating system. If any of the CPUs do not support demand-based power management, the field will become read-only, and automatically set to Disabled. Displays the model number of the processor. A submenu displays the amount of level 2 cache and number of cores. Enabling AMD PowerNow!™ Technology AMD PowerNow! technology controls your system's processor performance automatically, dynamically adjusting the operating frequency and voltage according to the task at hand. When an application does not require full performance, significant amounts of power can be saved. Performance is designed to still be responsive, with maximum processor performance being delivered when required, and automatic power savings when possible. NOTE: AMD PowerNow! support is dependent on the operating system and version used on your system. Do not enable AMD PowerNow! if your operating system does not fully support this feature. See your operating system user guide for more information. To enable the AMD PowerNow! feature, run the System Setup Program and enable the Demand-Based Power Management option on the CPU Information screen. Additionally, for Microsoft® Windows® operating systems, you will need to install the AMD PowerNow! driver to enable this feature. The driver is available on the Dell OpenManage Service and Diagnostic CD provided with your system, and at support.dell.com. Integrated Devices Screen Table 2-5 lists the options and descriptions for the information fields that appear on the Integrated Devices screen. Table 2-5. Integrated Devices Screen Options Option Integrated SAS/RAID Controller (Enabled default) Embedded SATA (ATA Mode default) Description Enables or disables the integrated SAS controller or optional SAS RAID controller, if installed. Allows the integrated SATA controller to be set to Off or ATA Mode. 42 Using the System Setup Program

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42
Using the System Setup Program
Enabling AMD PowerNow!™ Technology
AMD PowerNow! technology controls your system’s processor performance automatically, dynamically
adjusting the operating frequency and voltage according to the task at hand. When an application does
not require full performance, significant amounts of power can be saved. Performance is designed to still
be responsive, with maximum processor performance being delivered when required, and automatic
power savings when possible.
NOTE:
AMD PowerNow! support is dependent on the operating system and version used on your system. Do not
enable AMD PowerNow! if your operating system does not fully support this feature. See your operating system
user guide for more information.
To enable the AMD PowerNow! feature, run the System Setup Program and enable the
Demand-Based
Power Management
option on the
CPU Information screen
.
Additionally, for
Microsoft
®
Windows
®
operating systems, you will need to install the AMD PowerNow!
driver to enable this feature. The driver is available on the Dell OpenManage
Service and Diagnostic CD
provided with your system, and at
support.dell.com
.
Integrated Devices Screen
Table 2-5 lists the options and descriptions for the information fields that appear on the
Integrated
Devices
screen.
Demand-Based Power
Management
(
Disabled
default)
Enables or disables demand-based power management. When
enabled, the CPU Performance State tables will be reported to the
operating system; when disabled, the CPU Performance State
tables will not be reported to the operating system. If any of the
CPUs do not support demand-based power management, the field
will become read-only, and automatically set to
Disabled
.
Processor
X
ID
Displays the model number of the processor. A submenu displays
the amount of level 2 cache and number of cores.
Table 2-5.
Integrated Devices Screen Options
Option
Description
Integrated SAS/RAID
Controller
(
Enabled
default)
Enables or disables the integrated SAS controller or optional SAS RAID controller,
if installed.
Embedded SATA (
ATA
Mode
default)
Allows the integrated SATA controller to be set to
Off
or
ATA Mode
.
Table 2-4.
CPU Information Screen
(continued)
Option
Description