Memory Ras Feature - NEC express5800 A2010b User Manual

Chapter 2 Preparations

1.14.3 Memory RAS Feature

The server supports the following RAS features.
Some restrictions are imposed on using the memory RAS feature. See Chapter 2 (1.14.6 Using Memory RAS
Feature) for conditions appropriate to your requirements.
•
Independent mode
•
Independent + Rank Sparing mode
•
Independent + Mirroring mode
•
Lock Step mode
•
Lock Step + Rank Sparing mode
•
Lock Step + Mirroring mode
•
Memory scrubbing mode
The supported memory RAS feature depends on additional memory board installed.
See the table below to confirm the features supported by additional memory board.
List of features supported by additional memory board
NE3302-H010F 16GB additional memory (8GB DIMMx2)
NE3302-H011F 32GB additional memory (16GB DIMMx2)
NE3302-H012F 64GB additional memory (32GB DIMMx2)
NE3302-H013F 128GB additional memory (64GB DIMMx2)
NE3302-H020F 32GB additional memory for memory sparing
(8GB DIMMx4)
NE3302-H021F 64GB additional memory for memory sparing
(16GB DIMMx4)
NE3302-H022F 128GB additional memory for memory sparing
(32GB DIMMx4)
NE3302-H023F 256GB additional memory for memory sparing
(64GB DIMMx4)
NE3302-H030F 32GB additional memory for memory mirroring
(8GB DIMMx4)
NE3302-H031F 64GB additional memory for memory mirroring
(16GB DIMMx4)
NE3302-H032F 128GB additional memory for memory mirroring
(32GB DIMMx4)
NE3302-H033F 256GB additional memory for memory mirroring
(64GB DIMMx4)
192
Note Use BIOS SETUP menu to configure memory RAS feature. Refer to Chapter 2 (1.2.2 (2)
Memory Configuration Submenu) in Maintenance Guide for details.
N code
Product name
Express5800/A1040b, A2040b, A2020b, A2010b User's Guide
1. Installing / Removing Internal Options
Independent
Independent
or Lock Step
or Lock Step
+ Rank Sparing
Supported Not supported
Supported Not supported
Supported Not supported
Supported Not supported
Not supported Supported
Not supported Supported
Not supported Supported
Not supported Supported
Not supported Not supported
Not supported Not supported
Not supported Not supported
Not supported Not supported
Independent
or Lock Step
+ Mirroring
Not supported
Not supported
Not supported
Not supported
Not supported
Not supported
Not supported
Not supported
Supported
Supported
Supported
Supported