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Intel® Server Board SE7501WV2 TPS BIOS
Revision 1.0
Intel reference number C25653-001
119
Table 54. Memory Error Event Data Field Contents
Field IPMI Definition BIOS-Specific Implementation
Generator ID 7:1 System software ID or IPMB
slave address.
1=ID is system software ID
0=ID is IPMB slave address.
If BIOS is the source:
7:4 0x3 for system BIOS
3:1
1 = Format revision, Revision of the data format for OEM
data bytes 2 and 3, For this revision of the specification,
set this field to 1. All other revisions are reserved for now.
0
1 = ID is system software ID.
As a result, the generator ID byte will start from 0x31 and go
up to 0x3f, in increments of 2 for events logged by the BIOS.
If BMC is the source:
7:1 7 bit I
2
C Slave Address
0 0 = ID is IPMB Slave Address
Sensor Type Sensor Type Codes, in the Intelligent
Management Platform Interface
Specification v1.5.
0xC for memory errors
Sensor Number Number of sensor that generated this
event
Unique value for each type of event because IPMI
specification requires it that way. This field has no other
significance. Should not be displayed to the end user if the
event is logged by BIOS. For Single Bit memory errors the
value is 0x08, for Multi-bit memory errors, the value is 0x08.
For Single Bit memory error loggin disabled, the value is 0x09.
Type code 0x6F if event offsets are specific to
the sensor
0x6F
Event Data 1 7:6
00 = unspecified byte 2
10 = OEM code in byte 2.
5:4
00 = unspecified byte 3
10 = OEM code in byte 3. (BIOS
will not use encodings 01 and
11 for errors covered by this
document.).
3:0
Offset from Event Trigger for
discrete event state.
Follow IPMI definition. If either of the two data bytes following
this do not have any data, that byte should be set to 0xff, and
the appropriate filed in event data 1 should indicate that that it
is unspecified.
According to Table 30.3 in the Intelligent Management
Platform Interface Specification, 3:0 is 0 for single bit error and
1 for multi-bit error.
Event Data 2 7:0 OEM code 2 or unspecified. If format rev is 1 and if this byte is specified, Syndrome Byte.
Event Data 3 7:0 OEM code 3 or unspecified. For format rev 1, if this byte is specified,
7:6 Zero based Memory card number. Matches the number of
type 16 entry in SMBIOS table. For example, card 0
corresponds to the first type 16 entry in SMBIOS tables. If all
DIMMs are onboard, this field will always be 0.
5:0 Zero based DIMM number on the card. DIMM 0
corresponds to the first type 17 record in SMBIOS tables for
that memory card.