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M5A78L-M LX
Motherboard
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E6524 First Edition (V1) March 2011 Copyright © 2011 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
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Contents Notices ......................................................................................................... vi Safety information ..................................................................................... vii About this guide ....................................................................................... viii M5A78L-M LX specifications summary .................................................... ix Chapter 1: Product introduction 1.1 Welcome! ...................
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Contents 1.11 Software support ........................................................................ 1-27 1.11.1 Installing an operating system ...................................... 1-27 1.11.2 Support DVD information .............................................. 1-27 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 util
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Contents 2.5.3 ACPI APIC Support [Enabled] ....................................... 2-17 2.5.4 APM Configuration ........................................................ 2-17 2.5.5 HW Monitor Configuration ............................................. 2-18 2.5.6 Anti Surge Support [Enabled] ....................................... 2-18 2.6 Boot menu .................................................................................. 2-19 2.6.1 Boot Device Priority ...................................
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Notices Federal Communications Commission Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: • This device may not cause harmful interference, and • This device must accept any interference received including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide r
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REACH Complying with the REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals) regulatory framework, we published the chemical substances in our products at ASUS REACH website at http://csr.asus.com/english/REACH.htm. DO NOT throw the motherboard in municipal waste. This product has been designed to enable proper reuse of parts and recycling. This symbol of the crossed out wheeled bin indicates that the product (electrical and electronic equipment) should not be place
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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. Conventions
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M5A78L-M LX specifications summary ® ® CPU AMD Socket AM3+ for AMD FX™ / Phenom™ II / Athlon™ II / Sempron™ 100 series processors ® AMD Cool ‘n’ Quiet™ 2.0 Technology (depending on CPU type) Supports CPU up to 95W * 32nm AM3+ CPU is supported by BIOS version 0401 and later. ® ** Refer to www.asus.com for the AMD CPU support list ® Chipset AMD 760G (780L)/ SB710 Front side bus Up to 5200 MT/s HyperTransport™ 3.0 interface Memory Dual-channel memory architecture 2 x 240-pin DIMM slots sup
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M5A78L-M LX specifications summary Back panel I/O ports 1 x PS/2 Keyboard port 1 x PS/2 Mouse port 1 x COM port 1 x LPT port 1 x D-Sub port 1 x LAN (RJ-45) port 4 x USB 2.0/1.1 ports 3 x Audio jacks Internal I/O connectors 3 x USB 2.0/1.1 connectors support additional 6 USB 2.0/1.1 ports 6 x SATA connectors 1 x CPU / 1 x Chassis fan connectors 1 x Front panel audio connector 1 x S/PDIF_OUT connector 1 x Speaker connector 1 x System panel connector 1 x 24-pin ATX power connector 1
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Chapter 1 Product introduction 1.1 Welcome! ® Thank you for buying an ASUS M5A78L-M LX motherboard! The motherboard delivers a host of new features and latest technologies, making it another standout in the long line of ASUS quality motherboards! Before you start installing the motherboard, and hardware devices on it, check the items in your package with the list below. 1.2 Package contents Check your motherboard package for the following items. Motherboard ASUS M5A78L-M LX motherboard Cables
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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 (O.C.) support This motherboard supports DDR3 memory
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1.3.2 Innovative ASUS features Core Unlocker 1 2 ® ASUS Core Unlocker simplifies the activation of a latent AMD CPU- with just pressing a key. Enjoy an instant performance boost by simply unlocking the extra cores, without performing complicated BIOS changes. ASUS Turbo Key ASUS Turbo Key allows you to turn the PC power button into an overclocking button. After the easy setup, Turbo Key boosts performances without interrupting ongoing work or games, simply through pressing the button. ASUS M
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C.P.R. (CPU Parameter Recall) The BIOS C.P.R. feature automatically restores the CPU default settings when the system hangs due to overclocking failure. C.P.R. eliminates the need to open the system chassis and clear the RTC data. Simply shut down and reboot the system, and the BIOS automatically restores the CPU parameters to their default settings. ErP ready The motherboard is European Union´s Energy-related Products (ErP) ready, and ErP requires products to meet certain energy efficiency
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1.4 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
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1.5 Motherboard overview 1.5.1 Placement 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. 1.5.2 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. Place this side towards the rear of the chassis. M5A78L-M LX 1-
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1.5.3 Motherboard layout 1 2 3 4 5 6 20.3cm(8.0in) KBMS EPU KBPWR ATX12V 3 USB34 LAN1_USB12 CPU_FAN ® AMD AUDIO CHA_FAN 760G RTL PCIEX1_1 8111E PCIEX16 M5A78L-M LX Super 16Mb ® BIOS I/O AMD CLRTC 7 Lithium Cell SB710 PCIEX1_2 CMOS Power SATA3G_2 SATA3G_4 PCI1 USBPW5-10 ALC SPDIF_OUT 887 SPEAKER SATA3G_1 SATA3G_3 USB910 USB78 USB56 AAFP SB_PWR F_PANEL 14 13 12 11 10 9 8 2 1.5.4 Layout contents Connectors/Jumpers/Slots Page Connectors/Jumpers/Slots Page 1. Keyboard power (3-pin KBPWR) 1-19 8. Syst
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1.6 Central 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 the AM3+ 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! 1.6.1 Installing the CPU To install a CPU: 1. Locate the CPU socket on the motherboard. M
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5. When the CPU is in place, push down the socket lever to secure the CPU. The lever clicks on the side tab to indicate that it is locked. 6. Install a CPU heatsink and fan following the instructions that comes with the heatsink package. You can also refer to section 1.6.2 Installing heatsink and fan for instructions. 7. Connect the CPU fan cable to the CPU_FAN connector on the motherboard. CPU_FAN GND CPU FAN PWR CPU FAN IN CPU FAN PWM M5A78L-M LX M5A78L-M LX CPU fan connector DO NOT forge
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1.6.2 Installing the heatsink and fan Ensure that you use only AMD-certified heatsink and fan assembly. To install the CPU heatsink and fan: 1. Place the heatsink on top of the installed CPU, ensuring that the heatsink fits properly on the retention module base. • The retention module base is already installed on the motherboard upon purchase. • You do not have to remove the retention module base when installing the CPU or installing other motherboard components. • If you purchased a separate
