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manual abstract
DDR3 memory technology
Technology brief, 3rd edition
Introduction ......................................................................................................................................... 2
DDR3 architecture ................................................................................................................................ 2
Types of DDR3 DIMMs ..................................................................................................................... 2
Unbuffered and Registered DIMMs ................................................................................................. 2
Load Reduced DIMMs ................................................................................................................... 3
LRDIMMs and rank multiplication ................................................................................................... 3
DDR3 memory speeds ...................................................................................................................... 4
Memory power consumption ............................................................................................................. 5
Low-voltage DDR3 memory for ProLiant G6 and G7 servers .................................................................. 6
HP SmartMemory for ProLiant Gen8 servers ........................................................................................ 6
Core DDR3 Technologies ...................................................................................................................... 7
Fly-by topology ................................................................................................................................ 7
On-die Termination .......................................................................................................................... 9
Address parity checking on RDIMMs .................................................................................................. 9
Integrated DIMM temperature sensor .................................................................................................. 9
DDR3 memory and NUMA systems architectures ................................................................................... 10
Older server architectures ............................................................................................................... 10
DDR3 and NUMA systems architecture ............................................................................................. 11
DDR3 memory and 2P ProLiant servers ............................................................................................. 12
DDR3 and 4P ProLiant architecture ................................................................................................... 12
Intel 4P architecture and DDR3..................................................................................................... 13
AMD 4P architecture and DDR3 ................................................................................................... 13
Memory throughput with DDR3 ........................................................................................................... 14
System memory bandwidth .............................................................................................................. 15
DDR3 latency ................................................................................................................................ 15
Achieving highest performance with DDR3 memory ............................................................................... 16
Maximizing system throughput ......................................................................................................... 16
Minimizing memory latency ............................................................................................................ 16
Using balanced memory configurations ............................................................................................ 16
Conclusion ........................................................................................................................................ 17
For more information .......................................................................................................................... 18
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