Intel P4000RP Technical Product Specification - Page 51
Platform Power Monitoring and Limiting
View all Intel P4000RP manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 51 highlights
Intel® Server Board S1200V3RP Intel® Technology Support changes for power limiting. PMBus*-compliant power supplies provide the capability to monitoring input power consumption, which is necessary to support NM. Following are the some of the applications of Intel® Intelligent Power Node Manager technology: Platform Power Monitoring and Limiting: The ME/NM monitors platform power consumption and holds 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, 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, 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. Table 14. Intel® Intelligent Power Node Manager 2.0 Capabilities and Features Value Vector Power and Thermal Monitoring Power Utilization Controls Capabilities and Features Platform power monitoring Inlet Air temperature monitoring Processor package power monitoring Memory power monitoring Platform power limiting Processor power limiting Memory power limiting Dynamic core allocation (core-Idling) Configure core power off at boot time Configure power-optimized boot at boot time 2.0 Revision 1.0 39