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General Description 2-17
Remote Management Feature
Server management is concentrated in the Remote Management Controller (RMC). The RMC and associated circuitry are
powered from a 5Vdc standby voltage, which remains active when system power is switched off, but the ac power source is
still on and connected.
The RMC supports the NEC ESMPRO Manager, which allows remote server management through networks. Events
monitored by the manager system include over-temperature and over-voltage conditions, fan failure, or chassis intrusion.
Information on NEC ESMPRO Manager may be found in the ExpressBuilder DVD.
One major function of the RMC is to autonomously monitor system management events, and log their occurrence in the
nonvolatile System Event Log (SEL). The events being monitored include overtemperature and overvoltage conditions, fan
failure, or chassis intrusion. To enable accurate monitoring, the RMC maintains the nonvolatile Sensor Data Records (SDRs),
from which sensor information can be retrieved. The RMC provides an ISA host interface to SCR sensor information, so that
software running on the server can poll and retrieve the server's current status.
The RMC performs the following:
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Monitors server board temperature and voltage*
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Monitors processor presence and controls Fault Resilient Boot (FRB)
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Detects and indicates baseboard fan failure*
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Manages the SEL interface
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Manages the SDR Repository interface
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Monitors the SDR/SEL timestamp clock
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Monitors the system management watchdog timer
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Monitors the periodic SMI timer
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Monitors the event receiver
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Controls secure mode, including video blanking, diskette write-protect monitoring, and front panel lock/unlock
initiation
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Controls Wake On LAN via Magic Packet support.
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Monitors the hard disk drives
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Verifies system configuration data (CPU, memory, and others)
*Also, NEC ESMPRO supports these features.
NOTE:
To use the Remote Management Extended License, visit our Web site to see the latest
information about remote console/remote media feature.
Degradation Feature
The degradation feature automatically isolates a failed DIMM or processor to assure continuous operation of the server when
the POST (Power On Self-Test, self-diagnosis program after power on) detects such a DIMM or processor.
NOTE:
The degradation feature is only available when at least two DIMMs or processors are
installed.
Failed DIMMs and processors may be identified on the screen that the POST displays, or with the BIOS setup utility of the
server, "SETUP." They may also be identified on the system that has the NEC ESMPRO installed.
Memory RAS Features
Your server board has the memory mirroring and
LockStep
features. For detail explanation, refer to Chapter 9.