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HP ProLiant DL360e Configuring and using DDR3 memory with HP ProLiant Gen8 Ser - Page 7

ProLiant Gen8 memory architecture and DDR3 Memory, ProLiant Gen8 memory Architecture - gen8 pdf

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Using this advanced approach, HP Advanced Memory Error Detection is able to better monitor the memory subsystem and increase the effectiveness of the Pre-Failure Alert notification. All ProLiant Gen8 servers feature HP Advanced Memory Error Detection. For more detailed information on this technology, please visit the following URL: http://h20000.www2.hp.com/bc/docs/support/SupportManual/c02878598/c02878598.pdf ProLiant Gen8 memory architecture and DDR3 Memory ProLiant Gen8 memory Architecture The DDR3 memory architecture for HP ProLiant Gen8 servers (as shown in Figure 1) features several advancements over that of G6/G7 servers, including the following: • 4 memory channels per processor • Maximum memory speed of 1600 MT/s. Capable of up to 1866 MT/s as new processor models are introduced. • Support for HP SmartMemory with extended performance features over 3rd Party memory. • Support for LRDIMM technology, which allows 3 quad-ranked DIMMs per channel. Figure 1: HP ProLiant Gen8 memory architecture for servers using the Intel Xeon E5-2600 family processor series. 7

Section	Page
Introduction	3
Overview of DDR3 memory technology	3
Basics of DDR3 memory technology	3
DDR3 Memory Technology	3
DDR3 Speeds	3
Basics of DIMMs	4
DRAM technology	4
Ranks	4
Speed	4
DDR3 DIMM types	5
Unbuffered DIMMs	5
Registered DIMMs	5
Load Reduced DIMMs	5
HP SmartMemory	6
HP Advanced Memory Error Detection	6
ProLiant Gen8 memory architecture and DDR3 Memory	7
ProLiant Gen8 memory Architecture	7
HP ProLiant Gen8 Servers	8
HP ProLiant Gen8 Processors	8
DDR3 memory for HP ProLiant Gen8 servers	9
Populating memory in HP ProLiant Gen8 servers	10
HP ProLiant Gen8 memory slot configurations	10
Population rules for HP ProLiant Gen8 servers	10
Rules for populating processors and DIMM slots	10
Rules for DIMM types	10
General rules	11
DIMM Population Order	11
Memory system operating speeds	12
Mixing DIMM speeds and DIMMs/channel	13
General population guidelines	13
Optimizing memory configurations	13
Optimizing for capacity	13
Optimizing for performance	14
Factors influencing latency	14
Factors influencing memory throughput	15
Number of memory channels and throughput	15
Memory speed and throughput	16
Number of DIMMs per channel and throughput	17
Mixing DIMM sizes	19
General guidelines	19
Optimizing for lowest power consumption	19
DIMM types and power consumption	19
Memory speed and power consumption	20
General guidelines when optimizing for power consumption	21
Optimizing for Resiliency	21
Understanding unbalanced memory configurations	22
0TMemory configurations that are unbalanced across channels	22
0TMemory configurations that are unbalanced across Processors	22
BIOS Settings for memory	23
Controlling Memory Speed	23
Setting Maximum Memory Bus Frequency	23
Setting Memory Interleave	24
Diasabling Memory Interleaving	24
Setting Node Interleaving	24
For more information	25
Appendix A	26
Sample Configurations for 2P ProLiant Gen8 servers	26
24 DIMM slot servers	26

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Using this advanced approach, HP Advanced Memory Error Detection is able to better monitor the

memory subsystem and increase the effectiveness of the Pre-Failure Alert notification.

All ProLiant Gen8 servers feature HP Advanced Memory Error Detection. For more detailed information on

this technology, please visit the following URL:

ProLiant Gen8 memory architecture and DDR3 Memory

http://h20000.www2.hp.com/bc/docs/support/SupportManual/c02878598/c02878598.pdf

ProLiant Gen8 memory Architecture

The DDR3 memory architecture for HP ProLiant Gen8 servers (as shown in Figure 1) features several

advancements over that of G6/G7 servers, including the following:

•

4 memory channels per processor

•

Maximum memory speed of 1600 MT/s. Capable of up to 1866 MT/s as new processor models are

introduced.

•

Support for HP SmartMemory with extended performance features over 3

•

Support for LRDIMM technology, which allows 3 quad-ranked DIMMs per channel.

Party memory.

Figure 1:

HP ProLiant Gen8 memory architecture for servers using the Intel Xeon E5-2600 family processor series.