Asus M3A76-CM User Manual

MotherboardM3A76-CM

xM3A76-CM specications summaryInternal I/O connectors3 x USB 2.0 connectors support additional 6 USB 2.0/1.1 ports 1 x IDE connector 1 x COM connecto

1.2 Package contentsCheck your motherboard package for the following items.Motherboard ASUS M3A76-CM motherboardCables 1 x Serial ATA cable 1 x U

AMD® Socket AM2 Athlon™ / Sempron™ CPU supportThe motherboard supports AMD® Socket AM2 Athlon™ processors. It features 2000 / 1600 MT/s HyperTran

AMD 760GThe AMD 760G Northbridge is the latest AMD chipset designed for 5200MT/s HyperTransport™ 3.0 (HT 3.0) interface speed and external graphics i

ASUS Express GateWith on 5 seconds boot-up time, the ASUS Express Gate allows you to instantly surf the Internet without entering Windows or the Hard

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 Page Connectors/Jumpers/Slots Page1. ATX power connectors (24-pin EATXPWR, 4-

1.6 Central Processing Unit (CPU)The motherboard comes with an AM2+ / AM2 socket designed for AMD® AM2+ / AM2 Phenom™ FX / Phenom™ / Athlon™ / Sempro

3. Position the CPU above the socket such that the CPU corner with the gold triangle matches the socket corner with a small triangle.4. Carefully i

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

1.6.2 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 and 2GB unbuffered ECC/non-ECC DDR2 DIMMs into the DIMM sockets.• You may install varying memor

Size Vendor Part No. CL Chip BrandSS/DS Chip No.DIMM support (Optional)A* B* C*512MB Kingston KVR667D2N5/512 N/A Hynix SS HY5PS12821EFP-Y5 • •1G Kings

DDR2-533MHz capabilitySS - Single-sided / DS - Double - sided DIMM support: • A*: Supports one module inserted into any slot as Single-channel memory

DDR2 DIMM notch112Unlocked retaining clip1DDR2 DIMM notch211.7.3 Installing a DIMMUnplug the power supply before adding or removing DIMMs or other sy

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

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 connectors1. PS/2 Keyboard port (purple). This port is for a PS/2 keyboard / mouse.2. Video Graphics Adapter (VGA)

Audio 2, 4, 6, 8-channel congurationEnsure that the audio device of Sound playback is VIA High Denition Audio (the name may be different based on th

iiiContentsNotices ... viSafety information ...

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

3. 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 

• If you want to do the task as GHOST, we suggest you connect the original disk to the SATA5 or SATA65. Serial ATA connectors (7-pin SATA1, SAT

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

8. 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

• We recommend that you connect a high-denition front panel audio module to this connector to avail of the motherboard high-denition audio capabili

12. Optical drive audio in connector (4-pin CD)This connector allows you to receive stereo audio input from sound sources such as a CD-ROM, TV tuner,

To run the Support DVDPlace the Support DVD to the optical drive. The DVD automatically displays the Drivers menu if Autorun is enabled in your comput

1-28 ASUS M3A76-CM

Chapter 2: BIOS setup 2-12.1 Managing and updating your BIOSSave a copy of the original motherboard BIOS le to a USB ash disk in case you need to r

ivContents1.11 Software support ... 1-271.11.1 Installing an operating system .

2-2 ASUS M3A76-CM2.1.2 ASUS EZ Flash 2 utilityThe ASUS EZ Flash 2 feature allows you to update the BIOS without having to use a DOS-based utility. Be

Chapter 2: BIOS setup 2-3• Enter the BIOS setup program. Go to the Tools menu to select EZ Flash 2 and press <Enter> to enable it. Press <T

2-4 ASUS M3A76-CM• Only a USB ash disk with FAT 32/16 format and single partition can support ASUS CrashFree BIOS 3. The device size should be small

Chapter 2: BIOS setup 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 t

2-6 ASUS M3A76-CM2.2.4 Menu itemsThe highlighted item on the menu bar displays the specic items for that menu. For example, selecting Main shows th

Chapter 2: BIOS setup 2-72.3 Main menuWhen you enter the BIOS Setup program, the Main menu screen appears, giving you an overview of the basic system

2-8 ASUS M3A76-CMThis item does not appear when you select the SATA 1/2/3/4/5/6 devices. LBA/Large Mode [Auto]Enables or disables the LBA mode. Settin

Chapter 2: BIOS setup 2-92.4 Advanced menuThe Advanced menu items allow you to change the settings for the CPU and other system devices.Be cautious w

2-10 ASUS M3A76-CMThe following item appears only when you set the AI Overclocking item to [Manual].CPU /HT Reference Clock (MHz) [200]Allows you to m

Chapter 2: BIOS setup 2-11The following item appears only when you set the Memory Clock Mode item to [Manual].Memclock Value [266 MHz]Allows you to se

vContents2.5.4 APM Conguration ... 2-152.5.5 HW Monitor Conguration ...

2-12 ASUS M3A76-CMtRFC0/1/2/3[ Auto]Allows you to specify the Trfc0/1/2/3 time. Conguration options: [Auto] [75ns] [105ns] [127.5ns] [195ns] [327.5ns

Chapter 2: BIOS setup 2-13MemClk Tristate C3/ATLVID [Disabled]Enables or disables the MemClk Tristate C3/ALTVID. Conguration options: [Disabled] [Ena

2-14 ASUS M3A76-CMParallel Port Mode [Normal]Allows you to select the Parallel Port mode. Conguration options: [Normal] [EPP] [ECP] [EPP+ECP]Paralle

Chapter 2: BIOS setup 2-15Legacy USB Support [Auto]Allows you to enable or disable support for USB devices on legacy operating systems (OS). Setting t

2-16 ASUS M3A76-CMPower On From S5 By PME# [Disabled]Allows you to enable or disable PME wake from sleep state. Conguration options: [Disabled] [Enab

Chapter 2: BIOS setup 2-17 Boot Settings Conguration SecuritySpecies the Boot Device Priority sequence.BIOS SETUP UTILITYMain Advanced Power

2-18 ASUS M3A76-CMWait for ‘F1’ If Error [Enabled]When set to Enabled, the system waits for the F1 key to be pressed when error occurs. Conguration o

Chapter 2: BIOS setup 2-19Change User PasswordSelect this item to set or change the user password. The User Password item on top of the screen shows t

2-20 ASUS M3A76-CM2.7.2 Express Gate [Enabled]Allows you to enable or disable the ASUS Express Gate feature. The ASUS Express Gate feature is a uniqu

Chapter 2: BIOS setup 2-21Exit OptionsExit & Save ChangesExit & Discard ChangesDiscard ChangesLoad Setup DefaultsExit system setup after savin

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

2-22 ASUS M3A76-CM

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

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

ixM3A76-CM specications summary(continued on the next page)CPU AMD® Socket AM2+ / AM2 for AMD Phenom™ FX / Phenom™ / Athlon™ / Sempron™ processor