MotherboardM4A77TD
xM4A77TD specications summary(continued on the next page)CPU AMD® Socket AM3 for AMD® Phenom™ II / Athlon™ II / Sempron™ 100 series processors Sup
xiM4A77TD specications summaryBack panel I/O ports 1 x PS/2 Keyboard / Mouse Combo port 1 x RJ-45 port 1 x COM port 1x LPT port 1 x Optical S/PDIF_OU
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1.2 Package contentsCheck your motherboard package for the following items.Motherboard ASUS M4A77TD motherboardCables 2 x Serial ATA cables 1 x U
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 technologyThis motherboard supports hard drives based on the Serial ATA (SATA) 3Gb/s storage specication, delivering enhanced scal
ASUS MyLogo2™Turn your favorite photos into 256-color boot logos to personalize your system.ASUS CrashFree BIOS 3ASUS CrashFree BIOS 3 is an auto-reco
1.4 Before you proceedTake note of the following precautions before you install motherboard components or change any motherboard settings.• Unplug t
M4A77TD1.5 Motherboard overview1.5.1 Placement directionWhen installing the motherboard, ensure that you place it into the chassis in the correct or
1.5.3 Motherboard layout1.5.4 Layout contentsConnectors/Jumpers/Slots/LED Page Connectors/Jumpers/Slots/LED Page1. CPU and chassis fan connectors
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-certied 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 congurationsYou may install 512MB, 1GB, 2GB, and 4GB unbuffered ECC and non-ECC DDR3 DIMMs into the DIMM sockets.• You may install var
DDR3-1333MHz capabilityDDR3-1600(O.C.)MHz capabilityWe recommend that you install the DDR3 1600+ memory modules on the blue slots for better overclock
DDR3-1333MHz capabilityG.SKILL F3-10600CL9D-2GBNQ 1024MB DS G.SKILL Heat-Sink Package N/A • • •G.SKILL F3-10666CL9D-4GBPK 2048MB DS G.SKILL Heat-Sink
SS: Single-sided / DS: Double-sided DIMM support: • A*: Supports one module inserted into any slot as single-channel memory conguration. • 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. Th
10. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are for USB 2.0 devices.11. USB 2.0 ports 3 and 4. These two 4-pin Univ
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, SATA4, SATA5, and SATA6)These connectors are for the Serial ATA signal cables for Serial ATA 3Gb
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
6. 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
8. CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN)The fan connectors support cooling fans of 350mA~740mA (8.88W max.) or a total of
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/7 Operating Systems (OS). Always install the l
ASUS M4A77TD 2-1 Chapter 2 BIOS information2.1 Managing and updating your BIOSSave a copy of the original motherboard BIOS le to a USB ash disk
2-2 Chapter 2: BIOS informationUpdating the BIOSTo update the BIOS:1. From the Windows® desktop, click Start > Programs > ASUS > ASUS Update
ASUS M4A77TD 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 EZ Fl
2-4 Chapter 2: BIOS information2.1.3 ASUS CrashFree BIOS utilityThe ASUS CrashFree BIOS is an auto recovery tool that allows you to restore the BIOS
ASUS M4A77TD 2-52.2 BIOS setup programUse the BIOS Setup program to update the BIOS or congure its parameters. The BIOS screens include navigation
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 2-72.2.4 Menu itemsThe highlighted item on the menu bar displays the specic items for that menu. For example, selecting Main shows the
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 2-9LBA/Large Mode [Auto]Enables or disables the LBA mode. Setting this item to [Auto] enables the LBA mode if the device supports this m
vContents2.5 Power menu ... 2-172.5.1 Suspend Mode ...
2-10 Chapter 2: BIOS information2.4.1 JumperFree Conguration2.4 Advanced menuThe Advanced menu items allow you to change the settings for the CPU a
ASUS M4A77TD 2-11Overclock Options [Auto]Selects the overclocking prole. Conguration options: [Auto] [Overclock 2%] [Overclock 5%] [Overclock 8%] [
2-12 Chapter 2: BIOS informationDRAM Command Rate [Auto]Conguration options: [Auto] [1T] [2T]TCL [Auto]Conguration options: [Auto] [4 CLK] ~ [12 CLK
ASUS M4A77TD 2-13TRFC0/TRFC1 [Auto]Conguration options: [Auto] [90ns] [110ns] [160ns] [300ns] [350ns]TREF [Auto]Conguration options: [Auto] [Every
2-14 Chapter 2: BIOS informationECC CongurationECC Mode [Disabled]Allows you to set the ECC mode. Conguration options: [Disabled] [Basic] [Good] [Su
ASUS M4A77TD 2-15GFX: primary display adapter on the PCIe x16 slot GPP: primary display adapter on the PCIe x1 slot PCI: primary display adapter o
2-16 Chapter 2: BIOS information2.4.6 USB CongurationThe items in this menu allows you to change the USB-related features. Select an item then press
ASUS M4A77TD 2-172.5 Power menuThe Power menu items allow you to change the settings for the Advanced Conguration and Power Interface (ACPI) and th
2-18 Chapter 2: BIOS information2.5.5 HW Monitor CongurationCPU Temperature [xxxºC/xxxºF] or [Ignored] MB Temperature [xxxºC/xxxºF] or [Ignored]The
ASUS M4A77TD 2-192.6 Boot menuThe Boot menu items allow you to change the system boot options. Select an item then press <Enter> to display th
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 information2.6.2 Boot Settings CongurationQuick Boot [Enabled]Enabling this item allows the BIOS to skip some power on self tes
ASUS M4A77TD 2-21If you forget your BIOS password, you can clear it by erasing the CMOS Real Time Clock (RTC) RAM. See section 1.9 Jumpers for inform
2-22 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 2-232.7.1 ASUS EZ Flash 2Allows you to run ASUS EZ Flash 2. When you press <Enter>, a conrmation message appears. Use the left/r
2-24 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 conguring 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.
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