Intel MPCBL0010 Temperature and Voltage Sensors, Pre-Defined Resources for AdvancedMC Modules

Hardware Management Overview—MPCBL0010 SBC

The MPCBL0010 SBC also has a second "dead time" (45 seconds) used to avoid PCI - Express hot plug signaling during the operating system load. This delay is applied from the time the SBC goes to M4 state. There is no hot plug "attention button" during that delay. The IPMC asserts the "attention button" only after the delay to notify the operating system that a new device is ready to power.

10.10.1Pre-Defined Resources for AdvancedMC Modules

In order to support AdvancedMC hot add, the SBC has to reserve resources that are not being used by a device when the SBC is booted. It is not possible for the SBC to know exactly what resources an AdvancedMC module that is hot-added may require before it is inserted. If the resources reserved by the SBC for the AdvancedMC module are adequate, then the AdvancedMC hot add will be successful. If an AdvancedMC module needs more resources (memory, IRQs, etc) than the SBC has reserved, then the AdvancedMC module will not work properly until the SBC is rebooted. If the hot-added AdvancedMC module does not use all of the resources that are reserved by the SBC, the reserved resources are left unused and cannot be used by any other component because they are still reserved.

For each AdvancedMC module slot, the following resources are reserved:

•8 PCI buses

•IO: 8K

•Memory: 4000000h ;(64MB)

•Pre-fetch Memory: 8000000h ;(128MB)advanced

10.11Temperature and Voltage Sensors

Temperature and voltage sensors are monitored by the MPCBL0010 SBC. These sensors are used to ensure that the MPCBL0010 SBC is operating at its pre-defined threshold limits. The sensors are categorized as follows:

•Lower Non-Critical

•Lower Critical

•Upper Non-Critical

•Upper Critical

If the lower critical or upper critical threshold is exceeded, it raises a major alarm. If the lower non-critical or upper non-critical threshold is exceeded, it raises a minor alarm.

Only critical thresholds which are exceeded turn on the solid red LED. However, for any events above, the IPMC forwards the events to the AdvancedTCA shelf manager to log into the SEL.

Table 123 lists the sensor numbers, normal values, and thresholds for all voltage and temperature sensors.

	Intel NetStructure® MPCBL0010 Single Board Computer
October 2006	Technical Product Specification
Order Number: 304120	137