Intel CM8063601537106 Scheda Tecnica Pagina 40

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iMC Functional Description
40 Intel
®
Xeon
®
Processor E7-2800/4800/8800 v2 Product Family
Datasheet Volume Two: Functional Description, February 2014
The iMC logic runs at the DDR CLK frequency to match the DDR bandwidth.
The HA runs at Uncore CLK frequency like the rest of the uncore.
5.2 Operation
5.2.1 Overview
The iMC unit contains four controllers. Up to four channels can be operated
independently or DDR Channels behind Intel C102/C104 Scalable Memory Buffer can
be paired for lockstep operation. The DRAM controllers share a common address
decode and DMA engines for RAS features.
Configuration registers may be per channel or common. Each DRAM controller has a
scheduler, write and read data paths, ECC logic and auxiliary structures.
Figure 5-1. Intel
®
Xeon
®
Processor E7-2800/4800/8800 v2 Product Family Memory
Interface
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