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NEC express5800 A2010b - Page 196

NEC express5800 A2010b
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1. Installing / Removing Internal Options
Chapter 2 Preparations
Occurrence of Rank Sparing error (When the same DIMMs are used for failing rank and spare rank)
Occurrence of Rank Sparing error (When the different DIMMs are used for failing rank and spare rank)
This feature can be used under the following conditions:
Each memory channel must have two or more DIMMs or 3Rank or higher rank.
DIMM #1
RANK0
RANK1
RANK2
RANK3
DIMM #5
RANK0
RANK1
RANK2
RANK3
DIMM #2
RANK0
RANK1
RANK2
RANK3
DIMM #6
RANK0
RANK1
RANK2
RANK3
SMI0
SMI2
SMI3
SMI1
CH0
CH1
CH2
CH3
DIMM #3
RANK0
RANK1
RANK2
RANK3
DIMM #7
RANK0
RANK1
RANK2
RANK3
DIMM #4
RANK0
RANK1
RANK2
RANK3
DIMM #8
RANK0
RANK1
RANK2
RANK3
Standby
(spare rank)
Running
system
Transfer to
running system
Isolate
Memory Riser #1
Memory Buffer #1
Memory Buffer #2
Memory Controller #1
Memory Controller #2
Processor
Failure
occurrence
DIMM #1
RANK0
RANK1
RANK2
RANK3
DIMM #5
RANK0
RANK1
RANK2
RANK3
DIMM #2
RANK0
RANK1
RANK2
RANK3
DIMM #6
RANK0
RANK1
RANK2
RANK3
SMI0
SMI2
SMI3
SMI1
CH0
CH1
CH2
CH3
DIMM #3
RANK0
RANK1
RANK2
RANK3
DIMM #7
RANK0
RANK1
RANK2
RANK3
DIMM #4
RANK0
RANK1
RANK2
RANK3
DIMM #8
RANK0
RANK1
RANK2
RANK3
Memory Controller #1
Processor
Memory Controller #2
Memory Buffer #1
Memory Buffer #2
Memory Riser #1
Failure occurrence
Isolate
Transfer to
running system
Running
system
Standby
(spare rank)
Express5800/A1040b, A2040b, A2020b, A2010b User's Guide
196

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