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Intel® Server Board SDS2 BIOS
Revision 1.2
Order Number: A85874-002
39
6.2.3.3 Memory Bus Error
The BMC monitors and logs memory errors. The BIOS will configure the hardware to notify the
BMC on correctable and uncorrectable memory errors. Uncorrectable errors generate an SMI to
stop the system and prevent propagation of the error. The BMC will query the hardware for error
information when notified.
6.2.3.4 System Limit Error
The BMC monitors system operational limits. It manages the A/D converter, defining voltage and
temperature limits as well as fan sensors and chassis intrusion. Any sensor values outside of
specified limits are handled by the BMC and there is no need to generate an SMI to the host
processor.
6.2.3.5 Processor Failure
The BIOS detects processor BIST failure and logs this event. The first OEM data byte field in the
log can identify the failed processor. For example, if processor 0 fails, the first OEM data byte is
0. The BIOS depends upon BMC to log the watchdog timer reset event.
6.2.3.6 Boot Event
The BIOS downloads the system date and time to the BMC during POST and logs a boot event.
This does not indicate an error, and software that parses the event log should treat it as such.
6.2.3.7 Chipset Failure
The BIOS detects the chipset (CNB2.0HE-SL and CIOB20) failure and logs this event. The
chipset error generates an SMI.
6.2.4 Firmware (BMC)
The BMC implements the logical System Event Log (SEL) device as specified in the Intelligent
Platform Management Interface Specification, Version 1.5. The SEL is accessible via all BMC
transports. This allows the System Event Log information to be accessed while the system is
down via out-of-band interfaces.
6.2.4.1 Sensor Number and Types Codes
The BIOS generates a POST error message when the System Event Log is full. This warning
will not inhibit the system from booting if halt on Post Error code is disabled in the BIOS Setup in
the Advanced menu.
Sensor Name, Sensor number and Sensor type for the SDS2 platform are listed in the following
Table 24 Platform SEL Log Sensors for SDS2.
Table 24 Platform SEL Log Sensors for SDS2