Intel S2600GZ S2600GZ/GL - Page 64

Intel® Server Board S2600GZ/GL TPS Technology Support  Platform Power Monitoring and Limiting: The ME/NM monitors platform power consumption and hold average power over duration. It can be queried to return actual power at any given instance. The power limiting capability is to allow external management software to address key IT issues by setting a power budget for each server. For example, if there is a physical limit on the power available in a room, then IT can decide to allocate power to different servers based on their usage - servers running critical systems can be allowed more power than servers that are running less critical workload.  Inlet Air Temperature Monitoring: The ME/NM monitors server inlet air temperatures periodically. If there is an alert threshold in effect, then ME/NM issues an alert when the inlet (room) temperature exceeds the specified value. The threshold value can be set by policy.  Memory Subsystem Power Limiting: The ME/NM monitors memory power consumption. Memory power consumption is estimated using average bandwidth utilization information  Processor Power monitoring and limiting: The ME/NM monitors processor or socket power consumption and holds average power over duration. It can be queried to return actual power at any given instant. The monitoring process of the ME will be used to limit the processor power consumption through processor P-states and dynamic core allocation  Core allocation at boot time: Restrict the number of cores for OS/VMM use by limiting how many cores are active at boot time. After the cores are turned off, the CPU will limit how many working cores are visible to BIOS and OS/VMM. The cores that are turned off cannot be turned on dynamically after the OS has started. It can be changed only at the next system reboot.  Core allocation at run-time: This particular use case provides a higher level processor power control mechanism to a user at run-time, after booting. An external agent can dynamically use or not use cores in the processor subsystem by requesting ME/NM to control them, specifying the number of cores to use or not use. 5.3.1 Hardware Requirements NM is supported only on platforms that have the NM FW functionality loaded and enabled on the Management Engine (ME) in the SSB and that have a BMC present to support the external LAN interface to the ME. NM power limiting features requires a means for the ME to monitor input power consumption for the platform. This capability is generally provided by means of PMBus*-compliant power supplies although an alternative model using a simpler SMBus* power monitoring device is possible (there is potential loss in accuracy and responsiveness using nonPMBus* devices). The NM SmaRT/CLST feature does specifically require PMBus*-compliant power supplies as well as additional hardware on the baseboard. Revision 1.1 51 Intel order number G24881-004