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M4A77T
Motherboard
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E5248 First Edition V1 December 2009 Copyright © 2009 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 ........................................................................................ vii M4A77T specifications summary .............................................................. ix Chapter 1: Product introduction 1.1 Welcome! ..............
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Contents 1.12 Software support ........................................................................ 1-27 1.12.1 Installing an operating system ...................................... 1-27 1.12.2 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 ....
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Contents 2.5.4 APM Configuration ........................................................ 2-16 2.5.5 HW Monitor Configuration ............................................. 2-17 2.6 Boot menu .................................................................................. 2-18 2.6.1 Boot Device Priority ...................................................... 2-18 2.6.2 Boot Settings Configuration .......................................... 2-18 2.6.3 Security .....................................
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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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Safety information Electrical safety • To prevent electric shock hazard, disconnect the power cable from the electric 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 cabl
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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. Where to find more infor
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M4A77T specifications summary ® ® CPU AMD Socket AM3 for AMD Phenom™ II / Athlon™ II / Sempron™ 100 series processors ® Supports AMD 45nm CPU Supports CPU up to 140W ® * Refer to www.asus.com for the AMD CPU support list ® Chipset AMD 770 / SB710 Front Side Bus Up to 5200MT/s HyperTransport™ 3.0 interface Memory Dual-channel memory architecture 4 x 240-pin DIMM slots support maximum 16GB unbuffered ECC and non-ECC DDR3 1800(O.C.)/1600(O.C.)/1333/1066MHz memory modules * Refer to www
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M4A77T specifications summary ASUS exclusive Intelligent overclocking tools: overclocking – Turbo Key features SFS (Stepless Frequency Selection): – FSB frequency tuning from 200MHz up to 550MHz at 1MHz increment – PCIe frequency tuning from 100MHz up to 150MHz at 1MHz increment Overclocking protection: – ASUS C.P.R. (CPU Parameter Recall) Back panel I/O ports 1 x PS/2 Keyboard / Mouse Combo port 1 x LPT port 1 x COM port 1 x LAN (RJ-45) port 6 x USB 2.0/1.1 ports 3 x audio j
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Chapter 1 Product introduction 1.1 Welcome! ® Thank you for buying an ASUS M4A77T 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 M4A77T motherboard Cables 2 x Seri
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® AMD 770 Chipset ® The AMD 770 Chipset is designed to support up to 5200MT/s HyperTransport™ 3.0 (HT 3.0) interface speed and PCI Express 2.0 x16 graphics. It is optimized with AMD’s latest AM3 multi-core CPUs to provide excellent system performance and overclocking capabilities. 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’ Qu
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MemOK! Memory compatibility is among the top concerns during computer upgrades. Worry no more. MemOK! is the fastest memory booting solution today. This remarkable memory rescue tool requires nothing but a push of a button to patch memory issues and get your system up and running in no time. The technology is able to determine failsafe settings that can dramatically improve your system booting success. ASUS Express Gate ASUS Express Gate is an instant-on environment that gives you quick
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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. Green ASUS This motherboard and its packaging comply with the European Union’s Restriction on the use of Hazardous Substances (RoHS). This is
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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. ASUS M4A77T 1-
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1.5.3 Motherboard layout 1.5.4 Layout contents Connectors/Jumpers/Slots/LED Page Connectors/Jumpers/Slots/LED Page 1. CPU and chassis fan connectors 1-20 8. System panel connector (20-8 pin PANEL) 1-24 (4-pin CPU_FAN and 3-pin CHA_FAN) 2. ATX power connectors (24-pin EATXPWR, 1-21 9. USB connectors (10-1 pin USB78, USB910, 1-26 4-pin ATX12V) USB1112) 3. CPU Socket AM3 1-7 10. Clear RTC RAM (3-pin CLRTC) 1-17 4. DDR3 DIMM slots 1-10 11. Onboard power LED (SB_PWR) 1-4 5. MemOK! switch 1-18 12
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1.6 Central Processing Unit (CPU) ® This motherboard comes with an AM3 socket designed for AMD Phenom™ II / Athlon™ II / Sempron™ 100 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. Socket leve
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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. DO NOT forget to connect the CPU fan connector! Hardware monitoring errors can occur if you fail to
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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
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3. Align the other end of the retention bracket to the retention module base. A clicking sound denotes that the retention bracket is in place. Ensure that the fan and heatsink assembly perfectly fits the retention mechanism module base, otherwise you cannot snap the retention bracket in place. 4. Push down the retention bracket lock on the retention mechanism to secure the heatsink and fan to the module base. 5. When the fan and heatsink assembly is in place, connect the CPU fan cable to the
