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Description 19
One major function of the BMC is to autonomously monitor system management events, and log
their occurrence in the nonvolatile System Event Log (SEL). These include events such as
over-temperature and over-voltage conditions, fan failure, or chassis intrusion. To enable accurate
monitoring, the BMC maintains the nonvolatile Sensor Data Record (SDR), from which sensor
information can be retrieved. The BMC provides an ISA host interface to SDR sensor information,
so software running on the server can poll and retrieve the server’s current status.
SEL contents can be retrieved after system failure, for analysis by field service personnel using
server management software tools such as Intel
®
Server Control available on the CD-ROM that
ships with the ISP2150 server or from the Intel Customer Support web site:
http://support.intel.com/support/motherboards/server/LB440gx/
Because 5V_Standby powers the BMC, SEL and SDR information are also available via the IMB
(Intelligent Management Bus). An Emergency Management Card, such as the Intel
®
LANDesk
®
SMM (Server Monitor Module) card available with the LANDesk Server Manager Pro package,
can obtain the SEL and make it remotely accessible using a LAN or telephone line connection.
While it receives the proper current, the BMC does the following:
• Monitors server board temperature and voltage
• Monitors processor presence and controls FRB
• Detects and indicates baseboard fan failure
• Manages the SEL interface
• Manages the SDR Repository interface
• Monitors the SDR/SEL timestamp clock
• Manages the server board Field Replaceable Unit (FRU) information interface
• Monitors the system management watchdog timer
• Monitors the periodic SMI timer
• Manages front panel NMI handling
• Monitors the event receiver
• Manages the ISA host and IMB interface
• Controls secure mode, including video blanking, floppy write-protect monitoring, and front
panel lock/unlock initiation
• Manages the sensor event initialization agent
• Controls Wake on LAN via Magic Packet
†
support
Emergency Management Port Console
The Emergency Management Port (EMP) Console provides an interface to the Emergency
Management Port (EMP). This interface allows remote server management via a modem or direct
(serial port to serial port) connection.
The server control operations available with EMP Console are:
• Connecting to remote servers
• Powering the server on or off
• Resetting the server