Asus M4A785TD-V EVO/U3S6 User Manual

MotherboardM4A785TD-V EVO

xM4A785TD-V EVO specications summaryAudio VIA® VT1708S High Denition Audio 8-channel CODEC Supports Jack-detect, Multi-streaming, and Front Panel

xi*Specications are subject to change without notice. Back panel I/O ports 1 x PS/2 Keyboard / Mouse Combo port 1 x Optical S/PDIF Out port 1 x HDMI

xii

1.2 Package contentsCheck your motherboard package for the following items.Motherboard ASUS M4A785TD-V EVO motherboardCables 4 x Serial ATA cables

HyperTransport™ 3.0 supportHyperTransport™ 3.0 technology provides 2.6 times more bandwidth than HT1.0 that radically improves system efciency for

1.3.2 Innovative ASUS featuresASUS 8+2 Phase Power DesignTo fully unleash the AM3 CPU’s potential, the ASUS M4 Series motherboards have adopted a bra

ASUS Express Gate ASUS Express Gate is an instant-on environment that gives you quick access to the Internet. Five seconds after powering on your comp

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

Vendor Part No. SizeSS/DSChip BrandChip NO. CLDIMM supportA* B* C*A-Data AD31600X002GMU 4096MB(Kit of 2) DS N/A Heat-Sink Package 7-7-7-20 •Corsair CM

DDR3-1333MHz capabilityVendor Part No. SizeSS/DSChip BrandChip NO. CLDIMM supportA* B* C*GEIL DDR3-1333 CL9-9-9-24 6144MB(Kit of 3) DS N/A Heat-Sink P

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. Optical S/PDIF_OUT

12. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are for USB 2.0 devices.13. IEEE 1394a port. This 6-pin IEEE 1394a port

Playback of HD DVD and Blu-Ray discs• For better playback quality, we recommend that you follow the system requirements listed below. Suggested listC

2. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)These connectors are for an ATX power supply. The plugs from the power supply are designed to 

3. 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

4. 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

5. System panel connector (20-8 pin PANEL)This connector supports several chassis-mounted functions.• System power LED (2-pin PLED) This 2-pin conne

6. 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

8. 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

ivContents1.11 Software support ... 1-291.11.1 Installing an operating system .

10. Power, CPU, and chassis fan connectors (3-pin PWR_FAN, 4-pin CPU_FAN, 3-pin CHA_FAN)The fan connectors support cooling fans of 350mA~740mA (8.88

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

Chapter 1: Product introduction1-30

ASUS M4A785TD-V EVO 2-1 Chapter 2 BIOS information2.1 Managing and updating your BIOSSave a copy of the original motherboard BIOS le to a USB as

2-2 Chapter 2: BIOS informationUpdating from a BIOS file a. Select Update BIOS from a le, then click Next. b. Locate the BIOS le from the Open w

ASUS M4A785TD-V EVO 2-32.1.3 ASUS CrashFree BIOS 3 utilityThe ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the BIOS le

2-4 Chapter 2: BIOS information2.2 BIOS setup programThis motherboard supports a programmable Serial Peripheral Interface (SPI) chip that you can upd

ASUS M4A785TD-V EVO 2-52.2.1 BIOS menu screen2.2.2 Menu barThe menu bar on top of the screen has the following main items:Main For changing th

2-6 Chapter 2: BIOS information2.2.4 Menu itemsThe highlighted item on the menu bar displays the specic items for that menu. For example, selecting

ASUS M4A785TD-V EVO 2-72.3 Main menuWhen you enter the BIOS Setup program, the Main menu screen appears, giving you an overview of the basic system

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

2-8 Chapter 2: BIOS informationLBA/Large Mode [Auto]Enables or disables the LBA mode. Setting this item to [Auto] enables the LBA mode if the device s

ASUS M4A785TD-V EVO 2-92.4.1 JumperFree Conguration2.4 Advanced menuThe Advanced menu items allow you to change the settings for the CPU and other

2-10 Chapter 2: BIOS informationPCIE Overclocking [Auto]Allows you to select the PCIE Overclocking. Conguration options: [Auto] [Manual]The following

ASUS M4A785TD-V EVO 2-11TCL [Auto]Conguration options: [Auto] [4 CLK] ~ [12 CLK]TRCD [Auto]Conguration options: [Auto] [5 CLK] ~ [12 CLK]TRP [Auto]

2-12 Chapter 2: BIOS informationMemory OverVoltage [Auto]Allows you to set the memory over voltage. The value ranges from 1.5000V to 2.2050V with a 0.

ASUS M4A785TD-V EVO 2-132.4.3 ChipsetNorthBridge CongurationMemory CongurationBank Interleaving [Auto]Allows you to enable the bank memory interle

2-14 Chapter 2: BIOS informationThe following item appears when you set the Internal Graphics Mode item to [UMA]UMAFrame Buffer Size [Auto]Allows you

ASUS M4A785TD-V EVO 2-15Plug and Play O/S [No]When this item is set to [No], BIOS congures all the devices in the system. When this item is set to [

2-16 Chapter 2: BIOS informationThe following items only appear when a USB storage device is plugged in.USB Mass Storage Device CongurationUSB Mass S

ASUS M4A785TD-V EVO 2-172.5.2 ACPI 2.0 Support [Disabled]Allows you to enable or disable the Advanced Conguration and Power Interface (ACPI) 2.0 su

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

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 M4A785TD-V EVO 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

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 M4A785TD-V EVO 2-212.7.2 Express Gate [Auto]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

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

ixM4A785TD-V EVO specications summary(continued on the next page)CPU AMD® Socket AM3 for AMD® Phenom™ II / Athlon™ II / Sempron™ 100 series proces