Dell PowerEdge T310 Technical Manual

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Contents

Dell PowerEdge T310 Technical Manual Manual pdf 25 page image

DellPowerEdge T310 Technical Guide 257 MemoryThe Dell™ PowerEdge™ T310 supports DDR3 memory, providing a high performance, high-speedmemory interface capable of low latency response and high throughput. Key features of the T310memory system include:• 2 channels per processor• 6 DIMM sockets• Support for unbuffered ECC DDR3 DIMMs (UDIMM) or registered ECC DDR DIMMs (RDIMM)o UDIMM maximum capacity of 32 GB (4 x 8 GB UDIMMs)o RDIMM maximum capacity of 24 GB (6 x 4 GB RDIMMs)• DDR3 speeds of 1066 MHz and 1333 MHz• Support for single-, dual-, and quad-rank DIMMs7.1 DIMMs SupportedThe DDR3 memory interface consists of two channels with up to two RDIMMs or UDIMMs per channelfor single or dual rank and up to two RDIMMs per channel for quad rank.For information on the latest memory offerings for the T310, visit Dell.com.7.2 DIMM Population RulesThe following DIMM population rules apply:• If DIMMs of different speeds are mixed, all channels will operate at the fastest commonfrequency.• RDIMMs and UDIMMs cannot be mixed.• Mixing of ECC and non-ECC UDIMMs will force the system to function in non-ECC mode.• Mixing quad-rank RDIMMs in one channel and 3DPC in another channel with the sameprocessor socket is not supported.• DIMMs must be installed in each channel starting with the DIMM slot farthest from theprocessor (slot 0)• For each processor, Channel 0 supports up to two DIMMs and Channel 1 and 2 support oneDIMM each7.3 DIMM SlotsThe T310 planar provides six 72-bit (240-pin) sockets per processor for DIMM memory modules. TheDIMMs are configured as 72 bits wide to provide for ECC, which is performed by the memorycontroller in the processor.7.4 SpeedThe PowerEdge T310 supports 1066 MHz and 1333 MHz DDR3 memory. The actual memory frequencyis determined by a variety of inputs:• Speed of the DIMMs• Speed supported by the processor• Configuration of the DIMMs