M5A78L-M LX3 Series
•M5A78L-M LX3
•M5A78L-M LX3 PLUS
Motherboard
E7475
First Edition
June 2012
Copyright © 2012 ASUSTeK COMPUTER INC. All Rights Reserved.
No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”).
Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing byASUS; or (2) the serial number of the product is defaced or missing.
ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS, LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE), EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.
SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.
Products and corporate names appearing in this manual may or may not be registered trademarks or copyrights of their respective companies, and are used only for identification or explanation and to the owners’ benefit, without intent to infringe.
Offer to Provide Source Code of Certain Software
This product contains copyrighted software that is licensed under the General Public License (“GPL”), under the Lesser General Public License Version (“LGPL”) and/or other Free Open Source Software Licenses. Such software in this product is distributed without any warranty to the extent permitted by the applicable law. Copies of these licenses are included in this product.
Where the applicable license entitles you to the source code of such software and/or other additional data, you may obtain it for a period of three years after our last shipment of the product, either
(1)for free by downloading it from http://support.asus.com/download
or
(2)for the cost of reproduction and shipment, which is dependent on the preferred carrier and the location where you want to have it shipped to, by sending a request to:
ASUSTeK Computer Inc.
Legal Compliance Dept.
15 Li Te Rd.,
Beitou, Taipei 112
Taiwan
In your request please provide the name, model number and version, as stated in the About Box of the product for which you wish to obtain the corresponding source code and your contact details so that we can coordinate the terms and cost of shipment with you.
The source code will be distributed WITHOUT ANY WARRANTY and licensed under the same license as the corresponding binary/object code.
This offer is valid to anyone in receipt of this information.
ASUSTeK is eager to duly provide complete source code as required under various Free Open Source Software licenses. If however you encounter any problems in obtaining the full corresponding source code we would be much obliged if you give us a notification to the email address gpl@asus.com, stating the product and describing the problem (please DO NOT send large attachments such as source code archives, etc. to this email address).
ii
Contents
Safety information...................................................................................................... |
vi |
About this guide.......................................................................................................... |
vi |
M5A78L-M LX3 Series specifications summary.................................................... |
viii |
Package contents........................................................................................................ |
x |
Chapter 1: |
Product introduction |
|
|
1.1 |
Special features............................................................................................. |
1-1 |
|
|
1.1.1 |
Product highlights ............................................................................ |
1-1 |
|
1.1.2 |
ASUS Exclusive Features ............................................................... |
1-2 |
1.2 |
Before you proceed...................................................................................... |
1-3 |
|
1.3 |
Motherboard overview.................................................................................. |
1-4 |
|
|
1.3.1 |
Placement direction ......................................................................... |
1-4 |
|
1.3.2 |
Screw holes ..................................................................................... |
1-4 |
|
1.3.3 |
Motherboard layout .......................................................................... |
1-5 |
|
1.3.4 |
Layout contents . .............................................................................. |
1-6 |
1.4 |
Central Processing Unit (CPU).................................................................... |
1-6 |
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1.4.1 |
CPU installation ............................................................................... |
1-7 |
|
1.4.2 |
CPU heatsink and fan assembly installation ................................... |
1-8 |
1.5 |
System memory.......................................................................................... |
1-10 |
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1.5.1 |
Overview ........................................................................................ |
1-10 |
|
1.5.2 |
Memory configurations . ................................................................. |
1-11 |
|
1.5.3 |
Installing a DIMM ........................................................................... |
1-15 |
1.6 |
Expansion slots........................................................................................... |
1-16 |
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|
1.6.1 |
Installing an expansion card .......................................................... |
1-16 |
|
1.6.2 |
Configuring an expansion card ...................................................... |
1-16 |
|
1.6.3 |
PCI slot .......................................................................................... |
1-16 |
|
1.6.4 |
PCI Express x1 slot . ...................................................................... |
1-16 |
|
1.6.5 |
PCI Express x16 slot . .................................................................... |
1-16 |
1.7 |
Jumpers |
....................................................................................................... |
1-17 |
1.8 |
Connectors.................................................................................................. |
1-19 |
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1.8.1 ............................................................................ |
Rear panel ports |
1-19 |
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1.8.2 ........................................................................ |
Internal connectors |
1-20 |
1.9 |
Software .........................................................................................support |
1-25 |
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1.9.1 ....................................................... |
Installing an operating system |
1-25 |
|
1.9.2 ............................................................... |
Support DVD information |
1-25 |
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 |
iii
|
2.1.3 |
ASUS CrashFree BIOS 3................................................................ |
2-3 |
2.2 |
BIOS setup program..................................................................................... |
2-4 |
|
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2.2.1 |
BIOS menu screen.......................................................................... |
2-5 |
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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 |
Configuration fields.......................................................................... |
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 |
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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 |
|
2.3.4 |
SATAConfiguration.......................................................................... |
2-8 |
|
2.3.5 |
System Information.......................................................................... |
2-8 |
2.4 |
Advanced menu............................................................................................ |
2-9 |
|
|
2.4.1 |
JumperFree Configuration............................................................... |
2-9 |
|
2.4.2 |
CPU Configuration......................................................................... |
2-12 |
|
2.4.3 |
Chipset.......................................................................................... |
2-13 |
|
2.4.4 |
Onboard Devices Configuration.................................................... |
2-14 |
|
2.4.5 |
PCIPnP.......................................................................................... |
2-14 |
|
2.4.6 |
USB Configuration......................................................................... |
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 Configuration........................................................................ |
2-16 |
|
2.5.5 |
HW Monitor Configuration............................................................. |
2-17 |
|
2.5.6 |
Anti Surge Support [Enabled]........................................................ |
2-18 |
2.6 |
Boot menu................................................................................................... |
2-19 |
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2.6.1 |
Boot Device Priority....................................................................... |
2-19 |
|
2.6.2 |
Boot Settings Configuration........................................................... |
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. Profile......................................................................... |
2-22 |
2.8 |
Exit menu..................................................................................................... |
2-23 |
|
iv
Appendices
Notices...................................................................................................................... |
A-1 |
ASUS contact information...................................................................................... |
A-3 |
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 fix it by yourself. Contact a qualified 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 qualified service technician or your retailer.
About this guide
This user guide contains the information you need when installing and configuring 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 find 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 flyers, 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
M5A78L-M LX3 Series specifications summary
CPU
Chipset
Front side bus
Memory
Graphics
Expansion slots
Storage / RAID
LAN
Audio
USB
AMD® Socket AM3+ for AMD® FX™ / Phenom™ II / Athlon™ II / Sempron™ 100 series processors
AMD® Cool ‘n’ Quiet™ Technology Supports AMD® AM3/AM3+ CPU up to 95W
* Refer to www.asus.com for the AMD® CPU support list
AMD® 760G(780L) / SB710
Up to 5200 MT/s HyperTransport™ 3.0 interface
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 specification,AMD® AM3 CPUs on this motherboard support up to DDR3 1333MHz.
***Refer to www.asus.com for the latest Memory QVL (Qualified Vendors
List).
****Use a 64-bit Windows® OS if you want to install 4GB or more memory on the motherboard.
Integrated ATI Radeon™ HD 3000 GPU Supports max. shared memory of 1GB
Supports RGB with max. resolution of 2560 x 1440 (@75Hz)
Supports Microsoft® DirectX 10
Supports Hybrid CrossFireXTM (For Windows Vista or later versions)
*Refer to www.amd.com for the discrete GPUs that support Hybrid CrossFireX™.
1 x PCIe 2.0 x16 slot
1 x PCIe 2.0 x1 slot
1 x PCI slot
4 x Serial ATA 3Gb/s connectors support RAID 0, 1, 10 and JBOD
Qualcomm Atheros Gb LAN
Realtek® ALC887 8-channel* High DefinitionAudio CODEC
*Use the chassis with HD audio module in the front panel to support 8- channel audio output.
Supports up to 8 USB 2.0/1.1 ports (4 ports at mid-board, 4 ports at the back panel)
ASUS Unique
Features
ASUS MyLogo 2
ASUS EZ Flash 2
ASUS EPU
ASUS Anti-Surge
ASUS CrashFree BIOS 3
ASUS Fan Xpert
ASUS Core Unlocker
(continued on the next page)
viii
M5A78L-M LX3 Series specifications summary
Special features
Back panel I/O ports
Internal I/O connectors
BIOS
Support DVD
Form factor
100% All high quality conductive polymer capacitors (M5A78L-M LX3 PLUS R2.0 only)
1 x PS/2 Keyboard port
1 x PS/2 Mouse port
1 x COM port
1 x D-Sub port
1 x LAN (RJ-45) port
4 x USB 2.0 ports
3 x Audio jacks
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 Front panel audio connector
1 x Speaker connector
1 x System panel connector
1 x 24-pin EATX power connector
1 x 4-pin ATX 12V power connector
16Mb Flash ROM, AMI BIOS, PnP, DMI v2.0, WfM2.0, ACPI v2.0a, SM BIOS 2.7
Drivers
ASUS Update
ASUS PC Probe II
Anti-Virus software (OEM version)
MicroATX form factor: 9.6 in x 7.4 in (24.4 cm x 18.8 cm)
Specifications are subject to change without notice.
ix
Package contents
Check your motherboard package for the following items.
KBMS
COM1 |
VGA |
USBPW1-4 |
KBPWR |
USB34
LAN1_USB12
AUDIO
AR 8161
Super
I/O
ALC
887-VD2
CPU_FAN
EPU
ATX12V
|
SOCKET AM3+ |
CHA_FAN |
|
ICS 9LPRS483 |
RS780L |
|
AMD® |
PCIEX1_1 |
|
PCIEX16
M5A78L-M LX3 PLUS
Lithium Cell |
AMD® |
CMOS Power |
SB710 |
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|
PCI1 |
|
AAFP CLRTC USB78 |
USB56 SPEAKER F_PANEL |
|
USBPW5-8 |
DDR3 DIMM A1 (64bit, 240-pin module) |
DDR3 DIMM B1 (64bit, 240-pin module) |
EATXPWR
16Mb BIOS
SATA3G_2 SATA3G_4
SB_PWR
SATA3G_1 SATA3G_3
ASUS M5A78L-M LX3 Series motherboard |
2 x Serial ATA 3.0 Gb/s cables |
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Manual |
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User |
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1 x I/O Shield |
User Guide |
Support DVD |
•If any of the above items is damaged or missing, contact your retailer.
•The illustrated items above are for reference only.Actual product specifications may vary with different models.
Product introduction |
1 |
1.1Special features
1.1.1Product highlights
AMD® FX™ / Phenom™ II / Athlon™ II / Sempron™ 100 series CPU support
This motherboard supports AMD® Socket AM3+ multi-core processors with unique L3 cache and delivers better overclocking capabilities with less power consumption. It features dual-channel DDR3 memory support and accelerates data transfer rate up to 5200MT/s via
HyperTransport™ 3.0-based system bus. This motherboard also supports AMD® CPUs in the new 32nm manufacturing process.
HyperTransport™ 3.0 support
HyperTransport™ 3.0 technology provides 2.6 times more bandwidth than HT1.0 that radically improves system efficiency for a smoother and faster computing environment.
AMD® Cool ‘n’ Quiet Technology
This motherboard supports the AMD® Cool ‘n’ Quiet technology which monitors system operation and automatically adjusts CPU voltage and frequency for a cool and quiet operating environment.
Dual-Channel DDR3 1866 support
This motherboard supports DDR3 memory that features data transfer rates of 1866 /1600
/1333/1066 MHz to meet the higher bandwidth requirements of the latest operating system,
3D graphics, multimedia, and Internet applications.
Hybrid CrossFireX™ support
ATI Hybrid CrossFireX™ technology greatly boosts graphics performance with an onboard GPU and a discrete GPU.
*Hybrid CrossFireX™ is supported by Windows® Vista or later versions only.
**Refer to www.amd.com for the discrete GPUs that support Hybrid CrossFireX™.
Gigabit LAN solution
The onboard LAN controller is a highly integrated Gb LAN controller. It is enhanced with an
ACPI management function to provide efficient power management for advanced operating systems.
Serial ATA 3Gb/s technology and RAID support
This motherboard supports hard drives based on the Serial ATA (SATA) 3Gb/s storage specification, delivering enhanced scalability and doubling the bus bandwidth for high-speed data retrieval and save. It also supports RAID 0, RAID 1, and RAID 0+1 configurations for
Serial ATA hard drives.
ASUS M5A78L-M LX3 Series |
1-1 |
100% All High-quality Conductive Polymer Capacitors (M5A78L-M LX3 PLUS only)
This motherboard uses all high-quality conductive polymer capacitors for durability, improved lifespan, and enhanced thermal capacity.
1.1.2ASUS Exclusive Features
Core Unlocker
ASUS Core Unlocker simplifies the activation of a latentAMD® CPU-with just pressing a key. Enjoy an instant performance boost by simply unlocking the extra cores, without performing complicated BIOS changes.
ASUS Anti-Surge Protection
This special design protects expensive devices and the motherboard from damage caused by power surges from switching power supply unit (PSU).
ASUS EPU
ASUS EPU is a unique power saving technology that detects the current system loadings and adjusts the power consumption in real time.
ASUS EZ Flash 2
ASUS EZ Flash 2 is a user-friendly utility that allows you to update the BIOS without using a bootable floppy disk or an OS-based utility.
ASUS MyLogo2™
This feature allows you to convert your favorite photo into a 256-color boot logo for a more colorful and vivid image on your screen.
ASUS CrashFree BIOS 3
ASUS CrashFree BIOS 3 is an auto-recovery tool that allows you to restore a corrupted BIOS file using the bundled support DVD or a USB flash disk that contains the BIOS file.
ErP ready
The motherboard is European Union´s Energy-related Products (ErP) ready, and ErP requires products to meet certain energy efficiency requirements in regards to energy consumptions. This is in line with ASUS vision of creating environment-friendly and energyefficient products through product design and innovation to reduce carbon footprint of the product and thus mitigate environmental impacts.
1-2 |
Chapter 1: Product introduction |
1.2Before 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, switch off the ATX power supply and detach its power cord. Failure to do so may cause severe damage to the motherboard, peripherals, or components.
Standby Power LED
The motherboard comes with a standby power LED that lights up to indicate that the system is ON, in sleep mode, or in soft-off mode. This is a reminder that you should shut down
the system and unplug the power cable before removing or plugging in any motherboard component. The illustration below shows the location of the onboard LED.
SB_PWR
M5A78L-M LX3 PLUS
ON OFF
Standby Power Powered Off
M5A78L-M LX3 PLUS Onboard LED
ASUS M5A78L-M LX3 Series |
1-3 |
1.3Motherboard overview
1.3.1Placement direction
When installing the motherboard, ensure that you 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 below.
1.3.2Screw 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.
Place this side towards the rear of the chassis.
M5A78L-M LX3 PLUS
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1-4 |
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Chapter 1: Product introduction |
|||||||||||||||||||||||||||||||
1.3.3Motherboard layout
M5A78L-M LX3 Series motherboards include M5A78L-M LX3 PLUS and M5A78L-M LX3 models. The package contents vary from models. The layout illustrations in this user guide are for M5A78L-M LX3 PLUS only.
1 |
2 |
3 |
4 |
4 |
5 |
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18.8cm(7.4in) |
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KBMS |
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CPU_FAN |
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EPU |
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ATX12V |
COM1 |
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VGA |
USBPW1-4 |
KBPWR |
SOCKET AM3+ |
USB34
LAN1_USB12
CHA_FAN
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ICS 9LPRS483 |
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RS780L |
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AUDIO |
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AMD® |
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PCIEX1_1 |
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AR |
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8161 |
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PCIEX16 |
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M5A78L-M LX3 PLUS |
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Super |
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Lithium Cell |
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AMD® |
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I/O |
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CMOS Power |
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SB710 |
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ALC |
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PCI1 |
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887-VD2 |
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AAFP |
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USB78 |
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USB56 SPEAKER |
F_PANEL |
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CLRTC |
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USBPW5 |
-8 |
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13 |
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12 |
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11 |
10 |
1 |
9 |
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6 |
3 |
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DDR3 DIMM A1 (64bit, 240-pin module) |
DDR3 DIMM B1 (64bit, 240-pin module) |
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24.4cm(9.6in) |
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EATXPWR |
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16Mb |
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BIOS |
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SATA3G_2 SATA3G_4 |
7 |
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SB_PWR |
8 |
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SATA3G_1 SATA3G_3 |
7 |
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ASUS M5A78L-M LX3 Series |
1-5 |
1.3.4Layout contents
Connectors/Jumpers/Slots/LED |
Page |
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1. |
USB device wake-up (3-pin USBPW 1-4, USBPW 5-8) |
1-18 |
2. |
Keyboard power (3-pin KBPWR) |
1-18 |
3. |
ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) |
1-21 |
4. |
CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN) |
1-24 |
5. |
AMD CPU socket |
1-6 |
6. |
DDR3 DIMM slots |
1-10 |
7. |
SATA 3.0Gb/s connectors (7-pin SATA3G_1~4) |
1-22 |
8. |
Standby power LED (SB_PWR) |
1-3 |
9. |
System panel connector (10-1 pin F_PANEL) |
1-23 |
10. |
Speaker connector (4-pin SPEAKER) |
1-23 |
11. |
USB 2.0 connectors (10-1 pin USB56, USB78) |
1-24 |
12. |
Clear RTC RAM (3-pin CLRTC) |
1-17 |
13. |
Front panel audio connector (10-1 pin AAFP) |
1-20 |
1.4Central Processing Unit (CPU)
This motherboard comes with an AM3+ socket designed for FX™ / Phenom™ II / Athlon™ II / Sempron™ 100 series processors.
The AM3+ socket has a different pinout from the AM2+/AM2 socket. Ensure that you use a
CPU designed for theAM3+ socket. The CPU fits in only one correct orientation. DO NOT force the CPU into the socket to prevent bending the pins and damaging the CPU!
M5A78L-M LX3 PLUS
M5A78L-M LX3 PLUS CPU socket AM3+
1-6 |
Chapter 1: Product introduction |
1.4.1CPU installation
1 |
2 |
3 |
4 |
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ASUS M5A78L-M LX3 Series |
1-7 |
||||||
1.4.2CPU 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
1 |
2 |
3 |
4 |
5 |
1-8 |
Chapter 1: Product introduction |
To uninstall the CPU heatsink and fan assembly
1 |
2 |
3 |
4 |
5
ASUS M5A78L-M LX3 Series |
1-9 |
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
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Channel |
Sockets |
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Channel A |
DIMM_A1 |
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Channel B |
DIMM_B1 |
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M5A78L-M LX3 PLUS
M5A78L-M LX3 PLUS 240-pin DDR3 DIMM sockets
1-10 |
Chapter 1: Product introduction |
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