1. Installing / Removing Internal Options
There is no restriction specific to this feature.
*1 Performance is measured when DIMM works at the same memory clock speed in Independent mode and
LockStep mode. There is a case that supported clock speed in LockStep mode is higher than in Independent
mode in this server. Confirm the clock speed according to Chapter 2 (1.14.2 Memory Clock).
(2) Independent + Rank Sparing
In Independent + Rank Sparing mode, spare ranks are added to Independent mode. If the indication of failure is
detected in running rank, replace the data by copying it onto spare rank on the same channel to continue
processing.
RAS feature is higher than Independent mode, however, the memory capacity available for OS is reduced by
the amount of memory used for spare rank from the installed memory.
Use NE3302-H020F/H021F/H022F/H023F additional memory
board for Independent + Rank Sparing mode.
system
Memory Buffer #1
Memory Buffer #2
works between
Express5800/A1040b, A2040b, A2020b, A2010b User's Guide
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