Server Management - Bmc And Emp - Intel SE7500WV2 Training Manual

®
Intel Server Board SE7500WV2 Training
Server Management – BMC and EMP
Intel
Server Management – BMC and
EMP
• Sahalee* BMC
• Emergency Management Port
• Flash ROM
®
The Intel Server Board SE7500WV2 provides advanced server management features through a combination of the
server management subsystem and Intel Server Control server management software.
The server management features are implemented using the Sahalee server baseboard management controller (BMC)
chip that is connected to the ICH3 through the low pin count (LPC) bus. The BMC is an ASIC that contains a 32-bit
RISC processor core and associated peripherals used to monitor the system for critical events. Flash memory embedded
on the server board provides storage space for the BMC firmware, system event log (SEL), sensor data records (SDR)
and field replaceable unit (FRU) information.
The Sahalee* BMC works in conjunction with the Heceta* systems monitor ASIC to communicate with various sensors
and headers through the Intelligent Platform Management Bus (IPMB) to monitor:
•
All power supplies
•
SCSI termination voltage (on the SCSI version of the Intel Server Board SE7500WV2)
•
Fan tachometers and control for detecting fan failure and controlling fan speed
•
System temperature through sensors embedded in the processors and integrated into the server board, backplane and
front panel
•
Chassis intrusion
When any monitored parameter falls outside the defined thresholds, the BMC logs an event in the system event log
(SEL).
The Sahalee BMC also controls the fault resilient booting (FRB) process. If the default bootstrap processor fails to
complete the boot process, FRB attempts to boot using an alternate processor.
The Sahalee BMC provides system reset control. Reset circuitry on the Intel Server Board SE7500WV2 monitors reset
requests from the front panel, ICH3, and the processor subsystem to determine proper reset sequencing. The reset logic is
designed to accommodate a variety of reset methods:
•
Power-up reset
•
Hard reset
•
Soft reset
The emergency management port (EMP) provides out-of-band remote management of the server through the serial2 port
for serial devices, and the primary onboard NIC provides remote management functions over the LAN. This is managed
by the BMC.
36
® Server Board SE7500WV2
– Primary management
controller
– Provides server
management when
operating system is
non-functional
– BMC firmware
– System event log
– SDR information
– FRU information
*Other names and brands may be claimed as the property of others.
Student Workbook
© 2003 Intel Corporation.
© 2003 Intel Corporation