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Platform Management
Platform management is provided on the EPC-3221 SCB by an on-board intelligent platform
management (IPM) controller. The IPM controller is capable of monitoring environmental
sensors on the EPC-3221 SCB and communicating with other IPM controllers in an IPM-
capable chassis.
The monitoring and logging functions of the IPM subsystem are independent of the main
processors, BIOS, and operating system. This allows devices supporting IPM to communicate
even when the system is not powered or operational.
Inter-device communication is provided by the Intelligent Platform Management Bus (IPMB)
which connects all intelligent devices. The Inter-Integrated Circuit (I
IPMB and is located in the passive backplane of a chassis.
Intelligent devices communicate general state information and alert information (such as
warnings or critical conditions) to a centralized management controller, the Baseboard
Management Controller (BMC). The BMC provides a System Event Log (SEL) for storing
events generated by IPM devices in the chassis.
Figure 13
Figure 13. SCB Platform Management
Service Manual
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
shows an EPC-3221 SCB in a typical platform management environment.
IPMI
IPMI
Display
Alarm
Module
Board
(optional)
(optional)
External
Interface
Intel
EPC-3221
Processor
Keyboard
Controller-
Style Interface
BMC
IPMI
IPMB
IPMI
Power
Supplies
System Management Components
Chapter 3: Technical Data
2
C) interface enables the
IPMI
Fans
39
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