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Home » Motherboard
ECS H55H-CM Motherboard
Author: Gabriel Torres 45,878 views
Type: First Look Last Updated: January 28, 2010
Page: 3 of 8
Memory Support

Socket LGA1156 CPUs, like socket LGA1366 and AMD processors, have an embedded memory controller. All other Intel CPUs use an external memory controller, which is located on the north bridge chip (a.k.a. MCH or Memory Controller Hub) from the chipset. This means that with other Intel CPUs the chipset (and thus the motherboard) is the component that says what memory technologies and the maximum amount of memory you can have on your PC.

Since now the memory controller is inside the CPU, it is the processor, and not the chipset, that defines the memory technologies and the maximum amount of memory you can have. The motherboard, however, may have a limitation as to how much memory can be installed.

At the moment, the integrated memory controller of socket LGA1156 processors supports only DDR3 memories up to 1,333 MHz under dual-channel architecture.

ECS H55H-CM has four DDR3-DIMM sockets, so you can have up to 16 GB, if you use four 4 GB modules.

The first and the third sockets are yellow, while the second and the fourth ones are orange. In order to achieve the maximum performance, you should install two or four memory modules to enable the dual-channel architecture. When only two modules are used make sure to install them on the yellow sockets. If you install them on the orange ones the computer won’t turn on.

ECS H55H-CM motherboard
click to enlarge
Figure 3: Memory sockets. Install two or four modules for the best performance.

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