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8 Intel NetStructure
®
MPRTM0020 Technical Product Specification – April 2006
Document Organization
Hot Swap A specific specification from the PICMG 3.0 Spec.
I
2
C A two-wire serial bus. Licensed by Phillips Semiconductors.
IA-32 32-bit Intel
®
Architecture
I/O Input/Output
IPMB
Intelligent Platform Management Bus. The bus that interconnects all boards in the chassis
to the Shelf Manager.
IPMB-0
Intelligent Platform Management Bus Channel 0 as defined in the IPMI v1.5 specification.
This is the logical aggregation of IPMB-A and IPMB-B. The use of IPMB Channels 1 through
7 are not defined in this specification.
IPMB-R
Local IPMI link that is on the “carrier” side of the IPMC device. The IPMC shall proxy for all
IPMB-R devices (AMCs and RTM).
IPMC
Intelligent Platform Management Controller. The portion of a FRU that interfaces to the
AdvancedTCA* IPMB-0 and represents that FRU and any device subsidiary to it.
IPMI
Intelligent Platform Management Interface. The overall specification for doing point-to-point
management communication within the chassis over and I
2
C bus.
JBOD Just a Bunch of Drives
Node Slot Any standard slot other than a fabric slot
OOS Out of Service
PCI
Peripheral Component Interconnect. Bus technology used to interconnect components in a
computer.
PICMG PCI Industrial Computer Manufacturers Group
PMC PCI Mezzanine Card
Power Module Either a power supply or a power entry module
RMC RTM Management Controller. The IPMI controller on an RTM, similar to an MMC.
RMCP Remote Management Control Protocol. Defined by IPMI 1.5.
RMD
RTM Management Device. A non-intelligent device (typically an ADM1026) that
communicates over I
2
C to the Front Board IPMC, rather than using IPMB like an RMC does.
RTM Rear Transition Module
SAS Serial Attached SCSI
SDR
Sensor Data Record. An IPMI term. Used to describe the name, meaning, and units of
measure for a particular data value provided by a PM or BMC.
SEL Sensor Event Log. An IPMI defined term. Maintained by the BMC.
Shelf A shelf is equivalent to a chassis.
Shelf Manager
A pluggable board that provides management functions, allowing the chassis backplane to
remain passive. Although the term implies a dedicated module, the Shelf Manager may be
one function of a multi-function module. For example, the Shelf Manager and a switch can
be combined in a single physical module. The Shelf Manager performs the BMC function
within the chassis and provides remote management capabilities.
SMBus
A two-wire serial bus with slightly different electrical and timing characteristics than I
2
C. This
technology is owned by Intel Corporation.
SMC
Satellite Management Controller. Defined by IPMI. Also known as a peripheral controller or
peripheral management controller.
Switch Slot See “Fabric Slot”
TPS Technical Product Specification
Table 1. Acronyms and Terms (Sheet 2 of 2)
Term Definition