Intel® Server Board S1200BT TPS Platform Management
Revision 1.0
Intel order number G13326-003
The NM feature is implemented by a complementary architecture utilizing the ME, Integrated
BMC, BIOS, and an ACPI-compliant OS.
The ME provides the NM policy engine and power
control/limiting functions (referred to as Node Manager or NM) while the Integrated BMC
provides the external LAN link by which external management software can interact with the
feature. The BIOS provides system power information utilized by the NM algorithms and also
exports ASL code used by OSPM for negotiating processor P and T state changes for power
limiting.
PMBus-compliant power supplies provide the capability to monitoring input power
consumption, which is necessary to support NM.
The NM architecture applicable to this generation of servers is defined by the NPTM
Architecture Specification v2.0.
NPTM is an evolving technology that is expected to continue to
add new capabilities that will be defined in subsequent versions of the specification.
The ME NM
implements the NPTM policy engine and control/monitoring algorithms defined in the
NPTM specification.
4.4.2 Features
NM provides feature support for policy management, monitoring and querying, alerts and
notifications, and an external interface protocol. The policy management features implement
specific IT goals that can be specified as policy directives for NM.
Monitoring and querying
features enable tracking of power consumption. Alerts and notifications provide the foundation
for automation of power management in the data center management stack. The external
interface specifies the protocols that must be supported in this version of NM.
The table below summarizes the feature support for NM 2.0.
Table 12. NM Features
Platform power monitoring
Thermal monitoring and thermal policy support
Processor package power monitoring
Control Power
Utilization
Power limiting policy support
Dynamic core allocation (runtime core-idling)
Configure core power off at boot time
Configure power-optimized boot at boot time
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