1.5System memory

1.5.1Overview

This motherboard comes with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets.

A DDR3 module has the same physical dimensions as a DDR2 DIMM but is notched differently to prevent installation on a DDR2 DIMM socket. DDR3 modules are developed for better performance with less power consumption.

The figure illustrates the location of the DDR3 DIMM sockets:

DIMM_B1

DIMM_A1

Channel

Sockets

Channel A

DIMM_A1

Channel B

DIMM_B1

M5A78L-M LX3 PLUS

M5A78L-M LX3 PLUS 240-pin DDR3 DIMM sockets

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Chapter 1: Product introduction