Asus A78M-A Manual - Halaman 16

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1.4

System memory

1.4.1

Overview

This motherboard comes with four 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.

You may install 1GB, 2GB, 4GB, and 8GB unbuffered non-ECC DDR3 DIMMs into the DIMM

sockets.

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1-8

Always install DIMMs with the same CAS latency. For optimal compatibility, we

recommend that you install memory modules of the same version or date code (D/C)

from the same vendor. Check with the retailer to get the correct memory modules.

Due to the memory address limitation on 32-bit Windows

or more memory on the motherboard, the actual usable memory for the OS can be

about 3GB or less. For effective use of memory, we recommend that you do any of the

following:

Use a maximum of 3GB system memory if you are using a 32-bit Windows

Install a 64-bit Windows

motherboard.

This motherboard does not support DIMMs made up of 512Mb (64MB) chips or less.

Channel

Channel A

Channel B

OS if you want to install 4GB or more on the

Chapter 1: Product introduction

Sockets

DIMM_A1 and DIMM_A2

DIMM_B1 and DIMM_B2

OS, when you install 4GB

OS.