HP ProLiant DL580 Gen8 Server - Manual (Page 51)

Hardware options installation 51
• Do not mix LRDIMMs and RDIMMs.
• UDIMMs are not supported on this server.
• When multiple processors are installed, HP recommends installing the DIMMs in sequential
alphabetical order: 4A, 9B, 1C, 12D, and so on.
For detailed memory configuration rules and guidelines, use the Online DDR3 Memory Configuration Tool
on the HP website ( http://www.hp.com/go/ddr3memory-configurator ).
DIMM speeds are supported as indicated in the following table.
Populated slots
(per channel)
Rank Speeds supported (MT/s)
1 Single- or dual-rank 1333
1 Quad-rank 1600
2 Single- or dual-rank 1066, 1333
2 Quad-rank 1600
3 Single- or dual-rank 1066
3 Quad-rank 1333
Advanced ECC population guidelines
For Advanced ECC mode configurations, observe the following guidelines:
• Observe the general DIMM slot population guidelines.
• DIMMs may be installed individually. HP recommends installing DIMMs in pairs.
Online spare population
For Online Spare memory mode configurations, observe the following guidelines:
• Observe the general DIMM slot population guidelines.
• 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.
Installing a DIMM
WARNING: Use caution when installing or removing the processor memory drawer. The
processor memory drawer is very heavy when fully populated.
To install the component:
1. Power down the server (on page 23 ).
2. Remove all power:
a. Disconnect each power cord from the power source.