Asus M4A77TD PRO/U3S6 User Manual Page 1

MotherboardM4A77TD PRO

xM4A77TD PRO specications summary(continued on the next page)CPU AMD® Socket AM3 for AMD® Phenom™ II / Athlon™ II / Sempron™ 100 series processors

xiM4A77TD PRO specications summaryBack panel I/O ports 1 x PS/2 Keyboard / Mouse Combo port 1 x RJ-45 port 1 x eSATA port 1 x COM port 1x LPT port 1

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1.2 Package contentsCheck your motherboard package for the following items.Motherboard ASUS M4A77TD PRO motherboardCables 2 x Serial ATA cables 1

AMD® 770 ChipsetThe 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 graphi

Serial ATA 3Gb/s technology and SATA-On-The-GoThis motherboard supports hard drives based on the Serial ATA (SATA) 3Gb/s storage specication, deliv

ASUS Turbo KeyASUS Turbo Key allows you to turn the PC power button into an overclocking button. After the easy setup, Turbo Key boosts performances w

1.4 Before you proceedTake note of the following precautions before you install motherboard components or change any motherboard settings.• Unplug t

1.5 Motherboard overview1.5.1 Placement directionWhen installing the motherboard, ensure that you place it into the chassis in the correct orientati

1.5.3 Motherboard layout1.5.4 Layout contentsConnectors/Jumpers/Slots/LED Page Connectors/Jumpers/Slots/LED Page1. CPU, power, and chassis fan conn

iiCopyright © 2009 ASUSTeK Computer Inc. All Rights Reserved.No part of this manual, including the products and software described in it, may be repro

1.6 Central Processing Unit (CPU)This motherboard comes with an AM3 socket designed for Phenom™ II / Athlon™ II / Sempron™ 100 series processors.1.6.

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

1.6.2 Installing the heatsink and fanEnsure that you use only AMD-certied heatsink and fan assembly.To install the CPU heatsink and fan:1. Place th

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

1.7.2 Memory congurationsYou may install 512MB, 1GB, 2GB, and 4GB unbuffered ECC and non-ECC DDR3 DIMMs into the DIMM sockets.• You may install var

DDR3-1333MHz capabilityVendor Part No. SizeSS/DSChip Brand Chip NO. CLDIMM supportA* B* C*A-Data AD31333001GOU 1024MB SS A-Data AD30908C8D-151C E0906

G.SKILL F3-10600CL9D-2GBNQ 1024MB DS G.SKILL Heat-Sink Package N/A • • •G.SKILL F3-10666CL9D-4GBPK 2048MB DS G.SKILL Heat-Sink Package N/A • • •G.SkiL

SS: Single-sided / DS: Double-sided DIMM support: • A*: Supports one module inserted into any slot as single-channel memory conguration. • B*: Supp

1.7.3 Installing a DIMMUnplug the power supply before adding or removing DIMMs or other system components. Failure to do so can cause severe damage t

1.8 Expansion slotsIn the future, you may need to install expansion cards. The following sub-sections describe the slots and the expansion cards that

iiiContentsNotices ... viSafety information ...

1.9 Jumpers1. Clear RTC RAM (CLRTC)This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, ti

1.10 Connectors1.10.1 Rear panel ports1. PS/2 Keyboard/Mouse Combo port (purple). This port is for a PS/2 keyboard or mouse.2. Parallel port. This

11. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are for USB 2.0 devices.12. eSATA port. This port connects to an extern

1.10.2 Internal connectors1. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)These connectors are for an ATX power supply. The plugs from the pow

2. IDE connector (40-1 pin PRI_IDE)The onboard IDE connector is for Ultra DMA 133/100/66 signal cable. There are three connectors on each Ultra DMA 1

3. Serial ATA connectors (7-pin SATA1, SATA2, SATA3, SATA5, and SATA6)These connectors are for the Serial ATA signal cables for Serial ATA 3Gb/s hard

4. System panel connector (20-8 pin PANEL)This connector supports several chassis-mounted functions.• System power LED This 2-pin connector is for t

5. USB connectors (10-1 pin USB78, USB910, USB1112)These connectors are for USB 2.0 ports. Connect the USB module cable to any of these connectors, t

7. Digital audio connector (4-1 pin SPDIF_OUT)This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port.Ensure that the audio

9. Power, CPU, and chassis fan connectors (3-pin PWR_FAN, 4-pin CPU_FAN, and 3-pin CHA_FAN)The fan connectors support cooling fans of 350mA~740mA (8

ivContents1.11 Software support ... 1-281.11.1 Installing an operating system .

1.11 Software support1.11.1 Installing an operating systemThis motherboard supports Windows® XP/Vista Operating Systems (OS). Always install the lat

ASUS M4A77TD PRO 2-1 Chapter 2 BIOS information2.1 Managing and updating your BIOSSave a copy of the original motherboard BIOS le to a USB ash d

2-2 Chapter 2: BIOS informationUpdating the BIOSTo update the BIOS:1. From the Windows® desktop, click Start > Programs > ASUS > ASUS Update

ASUS M4A77TD PRO 2-3To update the BIOS using EZ Flash 2:1. Insert the USB ash disk that contains the latest BIOS le to the USB port, then launch E

2-4 Chapter 2: BIOS information2.1.3 ASUS CrashFree BIOS 3 utilityThe ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the B

ASUS M4A77TD PRO 2-52.2 BIOS setup programThis motherboard supports a programmable Serial Peripheral Interface (SPI) chip that you can update using

2-6 Chapter 2: BIOS information2.2.1 BIOS menu screen2.2.2 Menu barThe menu bar on top of the screen has the following main items:Main For chan

ASUS M4A77TD PRO 2-72.2.4 Menu itemsThe highlighted item on the menu bar displays the specic items for that menu. For example, selecting Main shows

2-8 Chapter 2: BIOS information2.3 Main menuWhen you enter the BIOS Setup program, the Main menu screen appears, giving you an overview of the basic

ASUS M4A77TD PRO 2-9LBA/Large Mode [Auto]Enables or disables the LBA mode. Setting this item to [Auto] enables the LBA mode if the device supports th

vContents2.5 Power menu ... 2-162.5.1 Suspend Mode ...

2-10 Chapter 2: BIOS information2.4.1 JumperFree Conguration2.4 Advanced menuThe Advanced menu items allow you to change the settings for the CPU a

ASUS M4A77TD PRO 2-11CPU Over Voltage [Auto]Sets the CPU over voltage. Conguration options: [Auto] [Normal] [+50mv] [+100mv] [+100mv]VDDNB Over Volt

2-12 Chapter 2: BIOS information2.4.2 CPU CongurationThe items in this menu show the CPU-related information that the BIOS automatically detects.GAR

ASUS M4A77TD PRO 2-13ECC CongurationECC Mode [Disabled]Allows you to set the ECC mode. Conguration options: [Disabled] [Basic] [Good] [Super] [Max]

2-14 Chapter 2: BIOS information2.4.4 Onboard Device CongurationSerial Port1 Address [3F8/IRQ4]Allows you to select the Serial Port1 base address.

ASUS M4A77TD PRO 2-152.4.6 USB CongurationThe items in this menu allows you to change the USB-related features. Select an item then press <Enter

2-16 Chapter 2: BIOS information2.5 Power menuThe Power menu items allow you to change the settings for the Advanced Conguration and Power Interface

ASUS M4A77TD PRO 2-172.5.5 HW Monitor CongurationCPU Temperature [xxxºC/xxxºF] or [Ignored] MB Temperature [xxxºC/xxxºF] or [Ignored]The onboard ha

2-18 Chapter 2: BIOS information2.6 Boot menuThe Boot menu items allow you to change the system boot options. Select an item then press <Enter>

ASUS M4A77TD PRO 2-19If you forget your BIOS password, you can clear it by erasing the CMOS Real Time Clock (RTC) RAM. See section 1.9 Jumpers for in

viNoticesFederal Communications Commission StatementThis device complies with Part 15 of the FCC Rules. Operation is subject to the following two cond

2-20 Chapter 2: BIOS informationChange User PasswordSelect this item to set or change the user password. The User Password item on top of the screen s

ASUS M4A77TD PRO 2-212.7.2 Express Gate [Enabled]Allows you to enable or disable the ASUS Express Gate feature. ASUS Express Gate is a unique instan

2-22 Chapter 2: BIOS informationExit & Discard ChangesSelect this option only if you do not want to save the changes that you made to the Setup pr

viiSafety informationElectrical safety• To prevent electric shock hazard, disconnect the power cable from the electric outlet before relocating the sy

viiiAbout this guideThis user guide contains the information you need when installing and conguring the motherboard.How this guide is organizedThis g

ixConventions used in this guideTo ensure that you perform certain tasks properly, take note of the following symbols used throughout this manual.