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Server Management Intel® Server Board Set SE8500HW4
Revision 1.0
Intel order number D22893-001
30
5.1.1 Sensor Data Record SDR (SDR) Repository
The BMC implements a logical Sensor Data Record (SDR) repository device, as specified in the
Intelligent Platform Management Interface Specification, Version 2.0. The SDR repository is
accessible via all communication transports, even while the system is powered off.
5.1.2 Field Replaceable Unit (FRU) Inventory Devices
The BMC implements the interface for logical FRU inventory devices, as specified in the
Intelligent Platform Management Interface Specification, Version 2.0. This functionality provides
commands used for accessing and managing FRU inventory information. These commands can
be delivered via all interfaces.
The BMC provides FRU command access to its own FRU device, as well as to the FRU devices
throughout the system. The FRU device ID mappings are shown in Figure 8 and Table 9. The
BMC controls the mapping of the FRU device ID to the physical device. Per the IPMI
specification, FRU device 0 is always located on the Mainboard. By convention, the IMM Board
FRU will always be FRU device 1. All Intel-designed Server boards maintain on-board non-
volatile storage to hold the FRU data.
Table 9. FRU Device Location and Size
FRU Device ID I
2
C Bus I
2
C Addr Device Read
Only
Size (bytes)
0 2 0xA0 Mainboard 256
1 2 0xA8 IMM 256
2 4 0xA4 Processor 1 Yes 128
3 4 0xA6 Processor 2 Yes 128
4 4 0xA0 Processor 3 Yes 128
5 4 0xA2 Processor 4 Yes 128
6 4 0xA4 Processor 1 OEM 128
7 4 0xA6 Processor 2 OEM 128
8 4 0xA0 Processor 3 OEM 128
9 4 0xA2 Processor 4 OEM 128
10 2 0xA0 LAN 128
11 2 0xA6 Front Panel Board 256
12 3 0xAA Power Distribution Board 256
13 3 0xAC Power Supply Unit 1 Yes 256
14 3 0xAE Power Supply Unit 2 Yes 256
15 5 0xAA Intel
®
Fibre Channel Module Yes 256
16 3 0xA0 Memory Board A 256
17 3 0xA2 Memory Board B 256
18 3 0xA4 Memory Board C 256
19 3 0xA6 Memory Board D 256