User's Guide

1. Installing Internal Optional Devices
Express5800/R120f-2M User’s Guide
58
Chapter 2 Preparations
1.12.4
DIMM installation order
Note
See List of features supported by additiional memory board in 1.10.3 Memory
RAS Feature before using memory RAS feature.
In 1-CPU configuration, install two DIMMs starting from the smallest slot number. If CPU2 is not installed,
CPU2_DIMM1 to CPU2_DIMM12 are disabled.
In 2-CPU configuration, alternately install two DIMMs starting from the smallest slot number of each CPU.
See the table below to find allowable combination of DIMMs. Any other combination of DIMMs than described
in this table is not allowed.
When N8102-610 4GB additional memory board is installed, any other supported memory board cannot be
installed together.
N code
N8102-
610 611F 612F 613F 614F 618 619 622 623
N8102-610

× × × × × × × ×
N8102-611F
×
  
× × × × ×
N8102-612F
×
  
× × × × ×
N8102-613F
×
  
× × × × ×
N8102-614F
× × × ×

× × × ×
N8102-618
× × × × ×
 
× ×
N8102-619
× × × × ×
 
× ×
N8102-622
× × × × × × ×

×
N8102-623
× × × × × × × ×

: Allowed to be install together. ×: Not allowed to be install together.