NEC Express5800 A2040b Configuration Manual

Also see for NEC Express5800 Series: User guide User guide User guide User guide System configuration guide

NEC Express5800 A2040b Configuration Manual Manual pdf 28 page image

CONFIGURATION GUIDE – NEC Express5800/A2040b, A2020b, A2010b, A1040bNEC Corporation Revision 7.0 – December 2014 28Memory ClockDDR3 Memory clock depends on CPU, Memory Configuration, System BIOS settings. Please refer below forthe maximum clock. Please refer to “Memory” of “Reference” section for the details.CPU MemoryConfiguration/Mode Memory TypeNo. ofDIMMs (per1CPU)Clock1.35V 1.5VXeon®E7-4890v2E7-4870v2E7-4860v2E7-8891v2E7-8893v2Independent Mode RDIMM(8, 16GB) Up to 16 1333 MHz 1333 MHzLRDIMM (32GB) Up to 16 1333 MHz 1333 MHzLRDIMM (64GB) Up to 16 - 1066 MHzLockstep Mode RDIMM (8, 16GB) Up to 16 1333 MHz 1600 MHzLRDIMM (32GB) Up to 16 1333 MHz 1600 MHzLRDIMM (64GB) Up to 16 - 1066 MHzXeon®E7-4830v2E7-4820v2Independent Mode RDIMM(8, 16GB) Up to 16 1066 MHz 1066 MHzLRDIMM (32GB) Up to 16 1066 MHz 1066 MHzLRDIMM (64GB) Up to 16 - 1066 MHzLockstep Mode RDIMM (8, 16GB) Up to 16 1333 MHz 1600 MHzLRDIMM (32GB) Up to 16 1333 MHz 1600 MHzLRDIMM (64GB) Up to 16 - 1066 MHzXeon®E7-4809v2Independent Mode RDIMM(8, 16GB) Up to 16 1066 MHz 1066 MHzLRDIMM (32GB) Up to 16 1066 MHz 1066 MHzLRDIMM (64GB) Up to 16 - 1066 MHzLockstep Mode RDIMM (8, 16GB) Up to 16 1333 MHz 1333 MHzLRDIMM (32GB) Up to 16 1333 MHz 1333 MHzLRDIMM (64GB) Up to 16 - 1066 MHzNOTE: Default Memory voltage setting (at the server delivery) is 1.35V (power saving). Memory voltage can bechanged by System BIOS Set-up menu. At Lockstep mode, strongly recommends to change memory voltage to 1.5V by BIOS set-up menu. Memory voltage is automatically 1.5V under the following configuration (cannot set 1.35V) 64GB LRDIMM installed