HP ProLiant DL380p HP ProLiant DL380p Gen8 Server User Guide - Page 52

Online spare population, Lockstep Memory population guidelines, Population order, Installing a DIMM

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Page 52 highlights

Online spare population For online spare memory mode configurations, observe the following guidelines: • Observe the general DIMM slot population guidelines (on page 51). • Each channel must have a valid online spare configuration. • Each channel can have a different valid online spare configuration. • Each populated channel must have a spare rank: o A single dual-rank DIMM is not a valid configuration. o LRDIMMs are treated as dual-rank DIMMs. Lockstep Memory population guidelines For Lockstep memory mode configurations, observe the following guidelines: • Observe the general DIMM slot population guidelines (on page 51). • DIMM configuration on all channels 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. Population order For memory configurations with a single processor or multiple processors, populate the DIMM slots in the following order: • LRDIMM: Sequentially in alphabetical order (A through L) • RDIMM: Sequentially in alphabetical order (A through L) • UDIMM: A through H, sequentially in alphabetical order. Do not populate DIMM slots I through L. After installing the DIMMs, use RBSU to configure Advanced ECC, online spare, or lockstep memory support. Installing a DIMM The server supports up to 24 DIMMs. To install a DIMM: 1. Power down the server (on page 21). 2. Remove all power: a. Disconnect each power cord from the power source. b. Disconnect each power cord from the server. 3. Extend the server from the rack (on page 21). 4. Remove the access panel (on page 22). 5. Remove the air baffle (on page 30). 6. Open the DIMM slot latches. Hardware options installation 52

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Hardware options installation 52
Online spare population
For online spare memory mode configurations, observe the following guidelines:
•
Observe the general DIMM slot population guidelines (on page
51
).
•
Each channel must have a valid online spare configuration.
•
Each channel can have a different valid online spare configuration.
•
Each populated channel must have a spare rank:
o
A single dual-rank DIMM is not a valid configuration.
o
LRDIMMs are treated as dual-rank DIMMs.
Lockstep Memory population guidelines
For Lockstep memory mode configurations, observe the following guidelines:
•
Observe the general DIMM slot population guidelines (on page
51
).
•
DIMM configuration on all channels 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.
Population order
For memory configurations with a single processor or multiple processors, populate the DIMM slots in the
following order:
•
LRDIMM: Sequentially in alphabetical order (A through L)
•
RDIMM: Sequentially in alphabetical order (A through L)
•
UDIMM: A through H, sequentially in alphabetical order. Do not populate DIMM slots I through L.
After installing the DIMMs, use RBSU to configure Advanced ECC, online spare, or lockstep memory support.
Installing a DIMM
The server supports up to 24 DIMMs. To install a DIMM:
1.
Power down the server (on page
21
).
2.
Remove all power:
a.
Disconnect each power cord from the power source.
b.
Disconnect each power cord from the server.
3.
Extend the server from the rack (on page
21
).
4.
Remove the access panel (on page
22
).
5.
Remove the air baffle (on page
30
).
6.
Open the DIMM slot latches.