Dell PowerEdge M710 Technical Manualbook - Page 19

Browse online or download pdf Technical Manualbook for Switch Dell PowerEdge M710. Dell PowerEdge M710 31 pages. Dell poweredge blade servers getting started guide
Also for Dell PowerEdge M710: Information Update (38 pages), Update Manual (44 pages), Update Manual (21 pages), Update Manual (14 pages), Installation Manual (7 pages), Update Manual (1 pages), Getting Started Manual (12 pages), Getting Started Manual (12 pages), Portfolio Manual (27 pages), Getting Started Manual (14 pages), Getting Started Manual (12 pages)

Dell PowerEdge M710 Technical Manualbook
Dell™ PowerEdge™ M710 Technical Guidebook
NHM-EP Platform Memory Overview
• Platform capability (18 DIMMs):
– Up to 3 channels per CPU
– Up to 3 DIMMS per channel
• Memory Types Supported:
– DDR 1333, 1066, and 800
– Registered (RDIMM) and unbuffered (UDIMM)
– Single-rank (SR), dual-rank (DR), quad-rank (QR)
• System memory Speed (i.e. the speed at which the memory is
actually running) is set by BIOS depending on:
– CPU capability
– DIMM type(s) used (memory speed, U/RDIMM, SR/DR/QR)
– DIMM populated per channel
• All channels in a system will run at the fastest common frequency
Memory Population Scenarios
• Maximum B/W:
– DDR3 1333 across 3 channels
– 1 DPC (6 DIMMs)
– Max capacity: 48 GB+
• Balanced Performance:
– DDR3 1066 across 3 channels
– Up to 2 DIMMs per Channel
(DPC) (12 DIMMs)
– Max capacity: 96 GB+
• Maximum capacity:
– DDR3 800 across 3 channels
– Up to 3 DPC (18 DIMMs total)
– Max capacity: 144 GB+
• RAS capabilities:
Up to 3
channels
per CPU
10.6 GB/s
10.6
CPU
10.6
8.5 GB/s
8.5
CPU
8.5
6.4 GB/s
6.4
CPU
6.4
Mirroring
Channel
0 & 1
mirror
CPU
each
other
Channel
2 unused
1
2
NHM-EP
3
CPUs
E5550
CPU
and above
E5520
CPU
and above
All
NHM-EP
CPU
SKUs
Lockstep
Channel
0 & 1
operate in
lockstep
Channel
2 unused
NHM-EP
1 2 3
Up to 3
DIMMs per
Channel
CPU
19