Installing A Dimm - HP ProLiant XL230a Gen9 User Manual

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White DIMM slots denote the first slot of a channel (Ch 1-A, Ch 2-B, Ch 3-C, Ch 4-D)
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Do not mix RDIMMs and LRDIMMs.
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When one processor is installed, install DIMMs in sequential alphabetic order: A, B, C, D, E, F, and so
forth.
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When two processors are installed, install the DIMMs in sequential alphabetic order balanced between
the two processors: P1-A, P2-A, P1-B, P2-B, P1-C, P2-C, and so forth.
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For DIMM spare replacement, install the DIMMs per slot number as instructed by the system software.
For more information about server memory, see the HP website (http://www.hp.com/go/memory).
DIMM speeds are supported as indicated in the following table.
Populated slots
(per channel)
1, 2
1, 2
Advanced ECC population guidelines
For Advanced ECC mode configurations, observe the following guidelines:
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Observe the general DIMM slot population guidelines (on page 33).
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DIMMs may be installed individually.
Online spare population guidelines
For Online Spare memory mode configurations, observe the following guidelines:
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Observe the general DIMM slot population guidelines (on page 33).
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Each channel must have a valid online spare configuration.
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Each channel can have a different valid online spare configuration.
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Each populated channel must have a spare rank. A single dual-rank DIMM is not a valid configuration.
Population order
For memory configurations with a single processor or multiple processors, populate the DIMM slots in the
following order:
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LRDIMM: Sequentially in alphabetical order (A through H)
•
RDIMM: Sequentially in alphabetical order (A through H)
After installing the DIMMs, use HP UEFI System Utilities (on page 52) to configure supported AMP modes.

Installing a DIMM

CAUTION:
baffle, and drive blanks must be installed when the server is powered up.
Update the system ROM.
1.
Rank
Single or dual
Quad
To avoid damage to the drives, memory, and other system components, the air
Speeds supported
(MT/s)
2133
2133
Hardware options installation 34