HP ProLiant BL660c HP ROM-Based Setup Utility User Guide - Page 91

Node Interleaving (G7 servers), Memory Speed with 2 DIMMs per Channel (G7 servers)

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Node Interleaving (G7 servers) Node Interleaving disables the NUMA architecture properties of the system. All operating systems supported by this platform support NUMA architectures. In most cases, you can obtain optimum performance by disabling Node Interleaving. When this option is enabled, memory addresses are interleaved across the memory installed for each processor. When this option is enabled, some workloads may see improved performance. Memory Speed with 2 DIMMs per Channel (G7 servers) This option is only available for HP ProLiant DL360 G7 or HP ProLiant DL380 servers configured with an Intel® 5500-series processor. This option does not apply to HP ProLiant DL360 G7 or HP ProLiant DL380 servers configured with an Intel® 5600-series processor. This option configures the system to run DIMMs at 1333 MHz when up to two DIMMs are installed on a memory channel, if all other requirements for 1333 MHz operation are met. This provides a performance increase for most workloads. By default, the system will operate at a maximum 1066 MHz when two DIMMs are installed on any memory channel. HP has validated this functionality with all HP DIMMs. RBSU menu (HP ProLiant G7 servers or server blades) 91

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RBSU menu (HP ProLiant G7 servers or server blades)
91
Node Interleaving (G7 servers)
Node Interleaving disables the NUMA architecture properties of the system. All operating systems
supported by this platform support NUMA architectures. In most cases, you can obtain optimum
performance by disabling Node Interleaving. When this option is enabled, memory addresses are
interleaved across the memory installed for each processor. When this option is enabled, some workloads
may see improved performance.
Memory Speed with 2 DIMMs per Channel (G7 servers)
This option is only available for HP ProLiant DL360 G7 or HP ProLiant DL380 servers configured with an
Intel® 5500-series processor. This option does not apply to HP ProLiant DL360 G7 or HP ProLiant DL380
servers configured with an Intel® 5600-series processor.
This option configures the system to run DIMMs at 1333 MHz when up to two DIMMs are installed on a
memory channel, if all other requirements for 1333 MHz operation are met. This provides a performance
increase for most workloads. By default, the system will operate at a maximum 1066 MHz when two
DIMMs are installed on any memory channel. HP has validated this functionality with all HP DIMMs.