Intel® Server Platform SR6850HW4 TPS

System Overview

2.6.2Rolling BIOS

The Server Board Set SE8500HW4 Mainboard supports two BIOS images to be stored in Flash. This provides a mechanism for BIOS updates without a system reboot as well as failover to an alternate image in the event of BIOS corruption. The system runs with the current BIOS until a reboot, after which time the updated BIOS is used. See the Intel Server Board Set SE8500HW4 Technical Product Specification for more details on this feature.

2.7Server Management

The management subsystem conforms to the IPMI v2.0 Specification. The server management features are implemented using two microcontrollers: the Intel Management Module that plugs into the Server Board Set SE8500HW4 Mainboard, and the SCSI hot-swap controller on the SCSI Backplane Board. The functions of each component are summarized in the following sections.

2.7.1Intel Management Module (IMM)

The IMM has a Baseboard Management Controller (BMC) microcontroller and associated circuitry. The IMM contains flash memory that holds the operation code and the BMC configuration settings. The IMM monitors platform management events and logs their occurrence on the onboard non-volatile System Event Log (SEL). This includes events such as over-temperature and over-voltage conditions, fan failures, etc. The IMM also provides the interface to this monitored information so system management software can poll and retrieve the present status of the platform.

The IMM also provides the interface to the non-volatile Sensor Data Record (SDR) repository. SDRs provide a set of information that system management software can use to automatically configure itself for the number and type of IPMI sensors (e.g., temperature sensors, voltage sensors, etc.) in the system.

The following is a list of the major functions for the IMM:

ƒSystem power control

-ACPI power control

-ACPI sleep support

-Minimum power off time

ƒSystem reset control

ƒSystem initialization

-Processor temperature and voltage threshold setting

-Fault Resilient Booting (FRB)

ƒFront panel user interface

-System status (green) LED control

-System status (amber) LED control

-System ID LED control

-Reset button control

-Power button control

-SDINT button control

Revision 1.0

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Intel order number D23151-001