IBM Intel Xeon E5504 46M1078 User Manual

Product codes
46M1078
Page of 130
Register Description
74
Intel® Xeon® Processor 5500 Series Datasheet, Volume 2
2.11.2
MC_STATUS
MC Primary Status register.
2.11.3
MC_SMI_DIMM_ERROR_STATUS
SMI DIMM error threshold overflow status register. This bit is set when the per-DIMM 
error counter exceeds the specified threshold. The bit is reset by BIOS.
Device:
3
Function: 0
Offset:
4Ch
Access as a Dword
Bit
Type
Reset
Value
Description
4
RO
1
ECC_ENABLED. ECC is enabled.
2
RO
0
CHANNEL2_DISABLED. Channel 2 is disabled. This can be factory configured 
or if Init done is written without the channel_active being set. Clocks in the 
channel will be disabled when this bit is set.
1
RO
0
CHANNEL1_DISABLED. Channel 1 is disabled. This can be factory configured 
or if Init done is written without the channel_active being set. Clocks in the 
channel will be disabled when this bit is set.
0
RO
0
CHANNEL0_DISABLED. Channel 0 is disabled. This can be factory configured 
or if Init done is written without the channel_active being set. Clocks in the 
channel will be disabled when this bit is set.
Device:
3
Function: 0
Offset:
50h
Access as a Dword
Bit
Type
Reset
Value
Description
13:12
RW0C
0
REDUNDANCY_LOSS_FAILING_DIMM. The ID for the failing DIMM when 
redundancy is lost.