BIOS Error Handling ESB2 BMC Core TPS
Revision 1.0
Intel order number E18291-001
230
19.2.4 IPMI Sensor Type Events — Memory
The BIOS is responsible for logging SEL entries for the following events according to the format
described in the table below:
Sensor Offset 00h — Correctable ECC Memory Error
Sensor Offset 01h — Uncorrectable ECC Memory Error
Sensor Offset 05h — Correctable ECC Memory Error Logging Limit Reached
See the Intelligent Platform Management Interface Specification, Version 2.0, Table 32-1 SEL
Event Records and Table 42-3 Sensor Type Codes for the following implementation details:
Table 84. SEL Entry Format — Memory Sensor Type
Byte Field IPMI Description BIOS Implementation
11 Sensor Type See the Intelligent Platform
Management Interface Specification,
Version 2.0, Table 42-3 Sensor Type
Code for allowable values.
The BIOS sends this to the BMC:
0x0C = Memory
12 Sensor
Number
Number of sensor that generated this
event.
The BIOS sends this to the BMC:
0x08 = Memory ECC Correctable Error
0x08 = Memory ECC Uncorrectable Error
0x09 = Correctable Error Logging Limit
Reached
14 Event Data 1
(ED1)
Bit [7:6]
00b = ED2 unspecified
10b = ED2 contains OEM value
Bit [5:4]
00b = ED3 unspecified
10b = ED3 contains OEM value
(The BIOS does not use
encodings 01b or 11b for errors
discussed in this document.).
Bit [3:0]
See the Intelligent Platform
Management Interface Specification,
Version 2.0, Table 42-3 Sensor
Specific Offset appropriate for the
event.
The BIOS sends this to the BMC:
Bit[7:6] = 00b - ED2 unspecified
Bit[5:4] = 10b - ED3 contains OEM value
Bit[3:0] - Supported Sensor Offsets
0x0 - Correctable ECC Memory Error
0x1 - Uncorrectable ECC Memory Error
0x5 - Correctable ECC Error Threshold
Reached
15 Event Data 2
(ED2)
Bit [7:0]
OEM value or unspecified
The BIOS sends this to the BMC:
0xFF = ED2 unspecified
16 Event Data 3
(ED3)
Bit [7:0]
OEM value or unspecified
The BIOS sends this to the BMC:
Memory module/device identification
Bit[7:6] = Index into SMBIOS Type 16
entry.
This shall be the zero-based memory
riser board number.
Bit[5:0] = Index into SMBIOS Type17
entry for the failed FBDIMM.