Asus M5A78L-M LE/USB3 User manual

Motherboard

M5A78L-M LE/USB3

ii

E10372

First Edition

April 2015

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iii

Contents

Safety information ....................................................................................................... v

About this guide .......................................................................................................... v

Package contents ...................................................................................................... vii

M5A78L-M LE/USB3 specications summary ........................................................ vii

Chapter 1: Product introduction

1.1 Before you proceed ...................................................................................... 1-1

1.2 Motherboard overview ................................................................................. 1-2

1.3 Central Processing Unit (CPU) .................................................................... 1-4

1.3.1 CPU installation .............................................................................. 1-5

1.3.2 CPU heatsink and fan assembly installation ................................... 1-6

1.4 System memory ............................................................................................ 1-8

1.4.1 Overview ......................................................................................... 1-8

1.4.3 Installing a DIMM ............................................................................ 1-9

1.5 Expansion slots .......................................................................................... 1-10

1.6 Headers ....................................................................................................... 1-12

1.7 Connectors .................................................................................................. 1-13

1.7.2 Internal connectors ....................................................................... 1-15

1.8 Software support ........................................................................................ 1-20

1.8.2 Support DVD information .............................................................. 1-20

Chapter 2: BIOS information

2.1 Managing and updating your BIOS ............................................................. 2-1

2.1.1 ASUS Update utility ........................................................................ 2-1

2.1.2 ASUS EZ Flash 2 utility ................................................................... 2-2

2.1.3 ASUS CrashFree BIOS 3 ................................................................ 2-3

2.2 BIOS setup program ..................................................................................... 2-4

2.2.1 BIOS menu screen .......................................................................... 2-5

2.2.2 Menu bar ......................................................................................... 2-5

2.2.3 Navigation keys ............................................................................... 2-5

2.2.4 Menu items ..................................................................................... 2-6

2.2.5 Submenu items ............................................................................... 2-6

2.2.6 Conguration elds ......................................................................... 2-6

2.2.7 Pop-up window ............................................................................... 2-6

2.2.8 Scroll bar ......................................................................................... 2-6

2.2.9 General help ................................................................................... 2-6

2.3 Main menu ..................................................................................................... 2-7

2.3.1 System Time [xx:xx:xx] ................................................................... 2-7

2.3.2 System Date [Day xx/xx/xxxx] ......................................................... 2-7

2.3.3 SATA3G_1~4 .................................................................................. 2-7

iv

2.3.4 SATA Conguration ........................................................................ 2-8

2.3.5 System Information ......................................................................... 2-8

2.4 Advanced menu ............................................................................................ 2-9

2.4.1 JumperFree Conguration .............................................................. 2-9

2.4.2 CPU Conguration ........................................................................ 2-12

2.4.3 Chipset .......................................................................................... 2-13

2.4.4 Onboard Devices Conguration .................................................... 2-14

2.4.5 PCIPnP ......................................................................................... 2-15

2.4.6 USB Conguration ........................................................................ 2-15

2.5 Power menu ................................................................................................ 2-16

2.5.1 Suspend Mode [Auto] ................................................................... 2-16

2.5.2 ACPI 2.0 Support [Enabled] .......................................................... 2-16

2.5.3 ACPI APIC Support [Enabled] ...................................................... 2-16

2.5.4 APM Conguration ........................................................................ 2-16

2.5.5 HW Monitor Conguration ............................................................. 2-17

2.5.6 Anti Surge Support [Enabled] ....................................................... 2-18

2.6 Boot menu ................................................................................................... 2-19

2.6.1 Boot Device Priority ...................................................................... 2-19

2.6.2 Boot Settings Conguration .......................................................... 2-19

2.6.3 Security ......................................................................................... 2-20

2.7 Tools menu ................................................................................................. 2-22

2.7.1 ASUS EZ Flash 2 .......................................................................... 2-22

2.7.2 ASUS O.C. Prole ......................................................................... 2-22

2.8 Exit menu .................................................................................................... 2-23

Contents

v

Safety information

Electrical safety

• To prevent electrical shock hazard, disconnect the power cable from the electrical outlet

before relocating the system.

• When adding or removing devices to or from the system, ensure that the power cables

for the devices are unplugged before the signal cables are connected. If possible,

disconnect all power cables from the existing system before you add a device.

• Before connecting or removing signal cables from the motherboard, ensure that all

power cables are unplugged.

• Seek professional assistance before using an adapter or extension cord. These devices

could interrupt the grounding circuit.

• Ensure that your power supply is set to the correct voltage in your area. If you are not

sure about the voltage of the electrical outlet you are using, contact your local power

company.

• If the power supply is broken, do not try to x it by yourself. Contact a qualied service

technician or your retailer.

Operation safety

• Before installing the motherboard and adding devices on it, carefully read all the manuals

that came with the package.

• Before using the product, ensure all cables are correctly connected and the power

cables are not damaged. If you detect any damage, contact your dealer immediately.

• To avoid short circuits, keep paper clips, screws, and staples away from connectors,

slots, sockets and circuitry.

• Avoid dust, humidity, and temperature extremes. Do not place the product in any area

where it may become wet.

• Place the product on a stable surface.

• If you encounter technical problems with the product, contact a qualied service

technician or your retailer.

About this guide

This user guide contains the information you need when installing and conguring the

motherboard.

How this guide is organized

This guide contains the following parts:

• Chapter 1: Product introduction

This chapter describes the features of the motherboard and the new technology it

supports.

• Chapter 2: BIOS information

This chapter tells how to change system settings through the BIOS Setup menus.

Detailed descriptions of the BIOS parameters are also provided.

vi

Where to nd more information

Refer to the following sources for additional information and for product and software

updates.

1. ASUS websites

The ASUS website provides updated information on ASUS hardware and software

products. Refer to the ASUS contact information.

2. Optional documentation

Your product package may include optional documentation, such as warranty yers,

that may have been added by your dealer. These documents are not part of the

standard package.

Conventions used in this guide

To ensure that you perform certain tasks properly, take note of the following symbols used

throughout this manual.

DANGER/WARNING: Information to prevent injury to yourself when trying to

complete a task.

CAUTION: Information to prevent damage to the components when trying to

complete a task

IMPORTANT: Instructions that you MUST follow to complete a task. .

NOTE: Tips and additional information to help you complete a task.

Typography

Bold text Indicates a menu or an item to select.

Italics

Used to emphasize a word or a phrase.

<Key> Keys enclosed in the less-than and greater-than sign

means that you must press the enclosed key.

Example: <Enter> means that you must press the Enter or

Return key.

<Key1> + <Key2> + <Key3> If you must press two or more keys simultaneously, the key

names are linked with a plus sign (+).

vii

(continued on the next page)

M5A78L-M LE/USB3 specications summary

CPU AMD® Socket AM3+ for AMD® FX™ / Phenom™ II / Athlon™ II /

Sempron™ 100 series processors

AMD® Cool ‘n’ Quiet™ Technology

Supports CPU up to 125W

* Refer to www.asus.com for the AMD® CPU support list

Chipset AMD® 760G(780L) / SB710

Front side bus Up to 5.2GT/s HyperTransport™ 3.0 interface

Memory Dual-channel memory architecture

2 x 240-pin DIMM slots support maximum 16GB unbuffered ECC and non-

ECC DDR3 1866 / 1600 / 1333 / 1066MHz memory modules

* AMD® FX™ Series CPU on this motherboard supports up to DDR3

1866MHz as its standard memory frequency.

** Due to CPU specication, AMD® AM3 CPUs on this motherboard

support up to DDR3 1333MHz.

*** Refer to www.asus.com for the latest Memory QVL (Qualied

Vendors List).

Expansion slots 1 x PCIe 2.0 x16 slot

1 x PCIe 2.0 x1 slot

1 x PCI slot

Storage / RAID 4 x Serial ATA 3Gb/s connectors support RAID 0, 1, 10 and JBOD

LAN Realtek 8111GR Gigabit LAN Controller(s)

Audio Realtek® ALC887 8-channel* High Denition Audio CODEC

- Dedicated audio PCB layers: Separate layers for left and right channels

to guard the quality of the sensitive audio signals

- Premium Japanese-made audio capacitors: Provide warm, natural and

immersive sound with exceptional clarity and delity

* Use the chassis with HD audio module in the front panel to support

8-channel audio output.

Package contents

Check your motherboard package for the following items.

Motherboard ASUS M5A78L-M LE/USB3 motherboard

Cables 2 x Serial ATA 3.0 Gb/s cables

Accessories 1 x I/O Shield

Application DVD Support DVD

Documentation User Guide

If any of the above items is damaged or missing, contact your retailer.

viii

M5A78L-M LE/USB3 specications summary

Specications are subject to change without notice.

USB 8*USB 2.0 ports (4 at mid-board, 4 at back panel)

2*USB 3.0 ports (2 at back panel)

ASUS Unique

Features

ASUS EPU

- EPU

Core Unlocker

ASUS Exclusive Features

- Anti-Surge

- ASUS All 5K-Hour Solid Capacitors

- RAM Overcurrent Protection

- ESD Guards

- Stainless Steel Back I/O

ASUS Quiet Thermal Solution

- ASUS Fan Xpert

ASUS EZ DIY

- ASUS CrashFree BIOS 3

- ASUS EZ Flash 2

- ASUS MyLogo 2

Back panel I/O ports 1 x PS/2 Keyboard/Mouse combo port

1 x DVI port

1 x D-Sub port

1 x LAN (RJ-45) port

1 x COM port

3 x Audio jacks

2 x USB 3.0 ports

4 x USB 2.0 ports

Internal I/O connectors 2 x USB 2.0 connectors support additional 4 USB 2.0 ports

4 x SATA 3.0Gb/s connectors

1 x CPU fan connector

1 x Chassis fan connector

1 x 24-pin EATX power connector

1 x 4-pin ATX 12V power connector

1 x Front panel audio connector

1 x Internal Speaker connector

1 x System panel connector

BIOS 16Mb Flash ROM, AMI BIOS, PnP, DMI v2.0, WfM2.0, SM BIOS 2.5,

ACPI v3.0a

Support DVD Drivers

ASUS PC Probe II

ASUS Update

Anti-Virus software (OEM version)

Form factor uATX form factor: 9.6 in x 7.8 in (24.4 cm x 19.8 cm)

ASUS M5A78L-M LE/USB3 1-1

Product introduction

1

1.1 Before you proceed

Take note of the following precautions before you install motherboard components or change

any motherboard settings.

• Unplugthepowercordfromthewallsocketbeforetouchinganycomponent.

• Beforehandlingcomponents,useagroundedwriststraportouchasafelygrounded

objectorametalobject,suchasthepowersupplycase,toavoiddamagingthemdue

to static electricity.

• HoldcomponentsbytheedgestoavoidtouchingtheICsonthem.

• Wheneveryouuninstallanycomponent,placeitonagroundedantistaticpadorinthe

bag that came with the component.

• Beforeyouinstallorremoveanycomponent,ensurethattheATXpowersupplyis

switched off or the power cord is detached from the power supply. Failure to do so

maycauseseveredamagetothemotherboard,peripherals,orcomponents.

1-2 Chapter 1: Product introduction

M5A78L-M LE/USB3

Place this side

towards the rear

of the chassis

1.2 Motherboard overview

Beforeyouinstallthemotherboard,studythecongurationofyourchassistoensurethatthe

motherboardts.

Unplugthepowercordbeforeinstallingorremovingthemotherboard.Failuretodosocan

cause you physical injury and damage to motherboard components.

1.2.1 Placement direction

Wheninstallingthemotherboard,placeitintothechassisinthecorrectorientation.Theedge

with external ports goes to the rear part of the chassis as indicated in the image.

1.2.2 Screw holes

Place six screws into the holes indicated by circles to secure the motherboard to the chassis.

Donotovertightenthescrews!Doingsocandamagethemotherboard.

ASUS M5A78L-M LE/USB3 1-3

1.2.3 Motherboard layout

M5A78L-M LE/USB3

PCIEX16

PCIEX1_1

PCI1

USB78 USB56

AAFP

ATX12V

EATXPWR

CPU_FAN

Super

I/O

ALC

887-VD2

Realtek

8111GR

ICS

9LPRS483

KBMS_USB34

ASM

1042A

CLRTC

16Mb

BIOS

19.8cm(7.8in)

24.4cm(9.6in)

AMD®

760G

AMD®

SB710

DDR3 DIMM_A1 (64bit, 240-pin module)

SOCKET AM3+

DDR3 DIMM_B1 (64bit, 240-pin module)

SATA3G_1 SATA3G_2 SATA3G_3 SATA3G_4

AUDIO

LAN_USB12

USB3_E12

CHA_FAN

F_PANEL

SPEAKER

DVI

BATTERY

VGA

COM

11 3 4

7810 9

2

5

6

1-4 Chapter 1: Product introduction

1.2.4 Layout contents

1.3 Central Processing Unit (CPU)

ThemotherboardcomeswithanAM3+socketdesignedforAMD®FX™Series/Phenom™II/

Athlon™II/Sempron™100SeriesProcessors.

TheAM3+sockethasadifferentpinoutfromtheAM2+/AM2socket.Ensurethatyouusda

CPUdesignedfortheAM3+socket.TheCPUtsinonlyonecorrectorientation.DONOT

forcetheCPUintothesockettopreventbendingthepinsanddamagingtheCPU!

Connectors/Headers/Slots/LED Page

1. ATXpowerconnectors(24-pinEATXPWR,4-pinATX12V) 1-16

2. CPUandchassisfanconnectors(4-pinCPU_FAN,and3-pinCHA_FAN) 1-15

3. AMDAM3+socket 1-4

4. DDR3DIMMslots 1-8

5. Speakerconnector(4-pinSPEAKER) 1-17

6. Systempanelconnector(10-1pinF_PANEL) 1-18

7. SATA3.0Gb/sconnectors(7-pinSATA3G_1~4) 1-17

8. USB2.0connectors(10-1pinUSB56,USB78) 1-19

9. ClearRTCRAM(2-pinCLRTC) 1-12

10. Frontpanelaudioconnector(10-1pinAAFP) 1-19

M5A78L-M LE/USB3 CPU socket AM3+

M5A78L-M LE/USB3

ASUS M5A78L-M LE/USB3 1-5

1.3.1 CPU installation

1

3

2

4

1-6 Chapter 1: Product introduction

12

53 4

1.3.2 CPU heatsink and fan assembly installation

ApplytheThermalInterfaceMaterial

totheCPUheatsinkandCPU

before you install the heatsink and

fan if necessary.

To install the CPU heatsink and fan assembly

ASUS M5A78L-M LE/USB3 1-7

To uninstall the CPU heatsink and fan assembly

5

3

1

4

2

1-8 Chapter 1: Product introduction

1.4.2 Memorycongurations

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

sockets.

• YoumayinstallvaryingmemorysizesinChannelAandChannelB.Thesystem

mapsthetotalsizeofthelower-sizedchannelforthedual-channelconguration.Any

excessmemoryfromthehigher-sizedchannelisthenmappedforsingle-channel

operation.

• 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®OS,whenyouinstall4GB

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®OS.

- Installa64-bitWindows®OSifyouwanttoinstall4GBormoreonthe

motherboard.

- Formoredetails,refertotheMicrosoft® support site at http://support.microsoft.

com/kb/929605/en-us.

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

1.4 System memory

1.4.1 Overview

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gureillustratesthelocationoftheDDR3DIMMsockets:

Channel Sockets

ChannelA DIMM_A1

ChannelB DIMM_B1

M5A78L-M LE/USB3

M5A78L-M LE/USB3 240-pin DDR3 DIMM sockets

DIMM_A1

DIMM_B1

ASUS M5A78L-M LE/USB3 1-9

• ThedefaultmemoryoperationfrequencyisdependentonitsSerialPresenceDetect

(SPD),whichisthestandardwayofaccessinginformationfromamemorymodule.

Underthedefaultstate,somememorymodulesforoverclockingmayoperateata

lowerfrequencythanthevendor-markedvalue.Tooperateatthevendor-marked

oratahigherfrequency,refertosection2.4 Advanced menu for manual memory

frequencyadjustment.

• Forsystemstability,useamoreefcientmemorycoolingsystemtosupportafull

memoryload(2DIMMs)oroverclockingcondition.

• VisittheASUSwebsiteat:www.asus.comforthelatestQVL.

1.4.3 Installing a DIMM

1

2

3

1-10 Chapter 1: Product introduction

1.5 Expansion slots

Inthefuture,youmayneedtoinstallexpansioncards.Thefollowingsub-sectionsdescribe

the slots and the expansion cards that they support.

Unplugthepowercordbeforeaddingorremovingexpansioncards.Failuretodosomay

cause you physical injury and damage motherboard components.

1.5.1 Installing an expansion card

To install an expansion card:

1. Beforeinstallingtheexpansioncard,readthedocumentationthatcamewithitand

make the necessary hardware settings for the card.

2. Removethesystemunitcover(ifyourmotherboardisalreadyinstalledinachassis).

3. Removethebracketoppositetheslotthatyouintendtouse.Keepthescrewforlater

use.

4. Alignthecardconnectorwiththeslotandpressrmlyuntilthecardiscompletely

seated on the slot.

5. Securethecardtothechassiswiththescrewyouremovedearlier.

6. Replacethesystemcover.

1.5.2 Conguringanexpansioncard

Afterinstallingtheexpansioncard,congureitbyadjustingthesoftwaresettings.

1. TurnonthesystemandchangethenecessaryBIOSsettings,ifany.SeeChapter2for

informationonBIOSsetup.

2. AssignanIRQtothecard.

3. Installthesoftwaredriversfortheexpansioncard.

WhenusingPCIcardsonsharedslots,ensurethatthedriverssupport“ShareIRQ”orthat

thecardsdonotneedIRQassignments.Otherwise,conictswillarisebetweenthetwoPCI

groups,makingthesystemunstableandthecardinoperable.

To remove a DIMM

B

A

ASUS M5A78L-M LE/USB3 1-11

1.5.3 PCI slot

ThePCIslotsupportscardssuchasaLANcard,SCSIcard,USBcard,andothercardsthat

complywithPCIspecications.

1.5.4 PCI Express 2.0 x1 slot

ThismotherboardsupportsPCIExpressx1networkcards,SCSIcards,andothercardsthat

complywiththePCIExpressspecications.

1.5.5 PCI Express x16 slot

ThismotherboardsupportsPCIExpressx16networkcards,SCSIcards,andothercardsthat

complywiththePCIExpressspecications.

IRQ assignments for this motherboard

A B C D E F G H

PCIEx16_1 – – shared – – – – –

PCIEx1_1 – shared – – – – – –

PCI1slot – – – – shared – – –

RealtekLANcontroller shared – – – – – – –

HDaudio shared – – – – – – –

OnChipSATA – – – – – – shared –

OnChipOHCI1 shared – – – – – – –

OnChipOHCI2 – – shared – – – – –

ASM1042A – – – shared – – – –

1-12 Chapter 1: Product introduction

1.6 Headers

Clear RTC RAM (2-pin CLRTC)

ThisheaderallowsyoutocleartheRealTimeClock(RTC)RAMinCMOS.Youcan

cleartheCMOSmemoryofdate,time,andsystemsetupparametersbyerasingthe

CMOSRTCRAMdata.TheonboardbuttoncellbatterypowerstheRAMdatain

CMOS,whichincludesystemsetupinformationsuchassystempasswords.

CLRTC

+3V_BAT

GND

PIN 1

M5A78L-M LE/USB3

M5A78L-M LE/USB3 Clear RTC RAM

To erase the RTC RAM:

1. TurnOFFthecomputerandunplugthepowercord.

2. Useametalobjectsuchasascrewdrivertoshortthetwopins.

3. PlugthepowercordandturnONthecomputer.

4. Holddownthe<Del>keyduringthebootprocessandenterBIOSsetuptore-

enter data.

• Ifthestepsabovedonothelp,removetheonboardbatteryandshortthetwopins

againtocleartheCMOSRTCRAMdata.AfterclearingtheCMOS,reinstallthe

battery.

• YoudonotneedtocleartheRTCwhenthesystemhangsduetooverclocking.For

systemfailureduetooverclocking,usetheCPUParameterRecall(C.P.R.)feature.

Shutdownandrebootthesystem,thentheBIOSautomaticallyresetsparameter

settingstodefaultvalues.

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Asus M5A78L-M LE/USB3 User manual

Asus M5A78L-M LE/USB3 User manual

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