Hardware options installation 30
o
Do not populate slots C or F.
•
UDIMM
o
First: A and B
o
Last: D and E
o
Do not populate slots C or F.
After installing the DIMMs, use RBSU to configure the system for Mirrored Memory support ("
Configuring
mirrored memory
" on page
48
).
Multi-processor Mirrored Memory population order
For Mirrored Memory mode configurations with multiple processors, populate the DIMM slots for each
processor in the following order:
•
RDIMM
o
First: A and B
o
Next: D and E
o
Do not populate slots C or F.
•
UDIMM
o
First: A and B
o
Last: D and E
o
Do not populate slots C or F.
After installing the DIMMs, use RBSU to configure the system for mirrored memory support ("
Configuring
mirrored memory
" on page
48
).
Lockstep Memory population guidelines
For Lockstep memory mode configurations, observe the following guidelines:
•
Observe the general DIMM slot population guidelines (on page
28
).
•
Always install DIMMs in channels 1 and 2 for each installed processor.
•
Do not install DIMMs in channel 3 for any processor.
•
DIMM configuration on channel 1 and channel 2 of a processor must be identical.
•
In multi-processor configurations, each processor must have a valid Lockstep Memory configuration.
•
In multi-processor configurations, each processor may have a different valid Lockstep Memory
configuration.
Single-processor Lockstep population order
For Lockstep memory mode configurations with a single processor, populate the DIMM slots in the
following order:
•
RDIMM
o
First: A and B
o
Next: D and E
o
Do not populate slots C or F.
