Asus F1A55-M LE Specifications download pdf (Page 23)

ASUS F1A55-M LE R2.0

1-11

1.5 System memory

1.5.1 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.

The gure illustrates the location of the DDR3 DIMM sockets:

Channel Sockets

Channel A DIMM_A1

Channel B DIMM_B1

F1A55-M LE R2.0

F1A55-M LE R2.0 240-pin DDR3 DIMM sockets

DIMM_A1

DIMM_B1

1 ... 22 23 24 ... 79

Motherboard 1
First Edition 2
June 2012 2
Contents 3
Chapter 2: BIOS setup 4
Appendices 5
Safety information 6
About this guide 7
Typography 8
(continued on the next page) 9
ASUS Exclusive Features 10
ASUS Quiet Thermal Solution 10
ASUS EZ DIY 10
Overclocking Protection 10
Package contents 12
Product introduction 13
F1A55-M LE R2.0 16
Standby Power Powered Off 16
1.3.3 Motherboard layout 18
1.3.4 Layout contents 19
ASUS F1A55-M LE R2.0 21
1.5.2 Memory congurations 24
DDR3-1600 MHz capability 26
DDR3-1866 MHz capability 26
DDR3-1333 MHz capability 28
DDR3-1066 MHz capability 31
1.5.3 Installing a DIMM 32
1.6 Expansion slots 33
1.6.3 PCI slot 34
1.6.4 PCI Express x1 slot 34
1.6.5 PCI Express x16 slots 34
1.6.6 Interrupt assignments 34
1.8 Connectors 36
HD_LED RESET 42
BIOS setup 47
2.1.2 ASUS EZ Flash 2 48
Recovering the BIOS 49
2.1.4 ASUS BIOS Updater 50
Backing up the current BIOS 51
Updating the BIOS le 52
2.2 BIOS setup program 53
BIOS menu screen 54
Advanced Mode 55
Menu bar 55
2.3 Main menu 57
Administrator Password 58
User Password 58
2.4 Ai Tweaker menu 59
2.4.3 APU Multiplier [Auto] 60
2.4.5 OC Tuner 60
2.4.6 DRAM Timing Control 61
2.4.7 Hybrid DIGI+VRM 61
CPU Offset Mode Sign [+] 62
2.4.14 VDDA Voltage [Auto] 63
2.5 Advanced menu 64
2.5.2 SATA Conguration 65
2.5.3 USB Conguration 66
2.5.4 NB Conguration 66
SPDIF Out Type [SPDIF] 67
Realtek PXE OPROM [Disabled] 67
2.5.6 APM 68
2.5.7 Network Stack 68
2.6 Monitor menu 69
CPU Upper Temperature [70�C] 70
CPU Lower Temperature [20�C] 70
2.7 Boot menu 71
2.8 Tools menu 73
2.9 Exit menu 74
VCCI Class B Statement 76
KC: Korea Warning Statement 76
ASUS contact information 78
DECLARATION OF CONFORMITY 79

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Asus F1A55-M LE Specifications Page 23

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