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Chapter 2 Preparations
Cautions for setting the fault tolerant memory (ADDDC)
If the DIMM configuration that cannot allow the fault tolerant (ADDDC) configuration is detected while
"Fault Tolerant Memory (ADDDC)" is set to "Advanced Memory Protection" and the fault tolerant
(ADDDC) configuration is specified, the "Advanced ECC" setting is enabled when "Advanced Memory
Protection" runs.
In this case, "Advanced ECC" appears in "Advanced Memory Protection Mode:" of POST.
In addition, the related error events are recorded in IML.
Cautions for replacement of DIMM due to a failure
In case of a failure, identify the faulty DIMM from IML, and replace DIMM in a unit of one piece of
DIMM.
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Note
To use the fault tolerant function (ADDDC), use the x4 DRAM memory.
Mount the memory so that the total number of RANK for each channel is 2 or
higher.
When using the memory ADDDC function, install DIMM 8 or DIMM 12 per
CPU.
DIMM with the practicable ADDDC function is "N8102-711", "N8102-712" and
"N8102-713".
Please choose identical part number as the memory installed in this server.
Express5800/R120h-1M User's Guide
1. Installing Internal Optional Devices
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