Lockstep Memory Population Guidelines - HP ProLiant BL490c User Manual

•
Always install DIMMs in channels 1 and 2 for each installed processor.
•
Do not install DIMMs in channel 3 for any processor.
•
DIMMs installed on channel 1 and channel 2 of an installed processor must be identical.
•
In multi-processor configurations, each processor must have a valid Mirrored Memory configuration.
•
In multi-processor configurations, each processor may have a different valid Mirrored Memory
configuration.
Single-processor Mirrored Memory population order
For Mirrored Memory mode configurations with a single processor, populate the DIMM slots in the following
order:
•
RDIMM
First: A and B
o
Next: D and E
o
Last: G and H
o
Do not populate slots C, F, or I.
o
•
UDIMM
First: A and B
o
Last: D and E
o
Do not populate slots C, F, G, H, or I.
o
After installing the DIMMs, use RBSU to configure the system for Mirrored Memory support
mirrored memory" on page 51).
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
First: A and B
o
Next: D and E
o
Last: G and H
o
Do not populate slots C, F, or I.
o
•
UDIMM
First: A and B
o
Last: D and E
o
Do not populate slots C, F, G, H, or I.
o
After installing the DIMMs, use RBSU to configure the system for mirrored memory support
mirrored memory" on page 51).

Lockstep Memory population guidelines

For Lockstep memory mode configurations, observe the following guidelines:
("Configuring
("Configuring
Hardware options installation 26