ASUS M4N78-AM V2 User Manual
M4N78-AM V2
Motherboard
E4778
First Edition V1
May 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 if: (1) the product is repaired, modied or altered, unless
such repair, modication of alteration is authorized in writing by ASUS; or (2) the serial number of the
product is defaced or missing.
ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS
DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS,
LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE),
EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY
DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.
SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR
INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE,
AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO
RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS
MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.
Products and corporate names appearing in this manual may or may not be registered trademarks or
copyrights of their respective companies, and are used only for identication or explanation and to the
owners’ benet, without intent to infringe.
ii
Contents
Notices .......................................................................................................... v
Safety information ...................................................................................... vi
About this guide ......................................................................................... vi
M4N78-AM V2 specications summary .................................................. viii
Chapter 1: Product introduction
1.1 Before you proceed ..................................................................... 1-1
1.2 Motherboard overview ................................................................. 1-2
1.2.1 Motherboard layout ......................................................... 1-2
1.2.2 Layout contents ............................................................... 1-2
1.3 Central Processing Unit (CPU) ................................................... 1-3
1.4 System memory ........................................................................... 1-3
1.4.1 Overview ......................................................................... 1-3
1.4.2 Memory congurations .................................................... 1-3
1.5 Expansion slots ............................................................................ 1-6
1.5.1 PCI slots .......................................................................... 1-6
1.5.2 PCI Express x1 slot ......................................................... 1-6
1.5.3 PCI Express x16 slot ....................................................... 1-6
1.6 Jumpers ........................................................................................ 1-7
1.7 Connectors ................................................................................... 1-8
1.7.1 Rear panel ports ............................................................. 1-8
1.7.2 Internal connectors ......................................................... 1-9
1.8 Software support ........................................................................ 1-15
1.8.1 Installing an operating system ...................................... 1-15
1.8.2 Support DVD information .............................................. 1-15
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 utility ................................................... 2-2
2.1.3 ASUS CrashFree BIOS 3 utility ...................................... 2-3
2.2 BIOS setup program .................................................................... 2-4
2.3 Main menu .................................................................................... 2-4
2.3.1 System Time ................................................................... 2-4
2.3.2 System Date ................................................................... 2-4
2.3.3 Primary IDE Master/Slave, SATA 1/2/3/4 ........................ 2-5
iii
Contents
2.3.4 Storage Conguration ..................................................... 2-6
2.3.5 System Information ......................................................... 2-6
2.4 Advanced menu ........................................................................... 2-6
2.4.1 JumperFree Conguration .............................................. 2-7
2.4.2 CPU Conguration .......................................................... 2-9
2.4.3 Chipset .......................................................................... 2-10
2.4.4 Onboard Devices Conguration .....................................2-11
2.4.5 PCI PnP .........................................................................2-11
2.4.6 USB Conguration ........................................................ 2-12
2.5 Power menu ................................................................................ 2-12
2.5.1 Suspend Mode .............................................................. 2-13
2.5.2 ACPI 2.0 Support ......................................................... 2-13
2.5.3 ACPI APIC Support ....................................................... 2-13
2.5.4 APM Conguration ........................................................ 2-13
2.5.5 Hardware Monitor ......................................................... 2-14
2.6 Boot menu .................................................................................. 2-14
2.6.1 Boot Device Priority ...................................................... 2-14
2.6.2 Boot Settings Conguration .......................................... 2-14
2.6.3 Security ......................................................................... 2-15
2.7 Tools menu ................................................................................. 2-16
2.7.1 ASUS EZ Flash 2 .......................................................... 2-16
2.7.2 AI NET 2........................................................................ 2-16
2.8 Exit menu .................................................................................... 2-16
iv
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
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with manufacturer’s instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not occur
in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user
is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment to an outlet on a circuit different from that to which the receiver is
connected.
• Consult the dealer or an experienced radio/TV technician for help.
The use of shielded cables for connection of the monitor to the graphics card is required
to assure compliance with FCC regulations. Changes or modications to this unit not
expressly approved by the party responsible for compliance could void the user’s authority
to operate this equipment.
Canadian Department of Communications Statement
This digital apparatus does not exceed the Class B limits for radio noise emissions from
digital apparatus set out in the Radio Interference Regulations of the Canadian Department
of Communications.
This class B digital apparatus complies with Canadian ICES-003.
REACH
Complying with the REACH (Registration, Evaluation, Authorisation, and Restriction of
Chemicals) regulatory framework, we published the chemical substances in our products at
ASUS REACH website at http://green.asus.com/english/REACH.htm.
DO NOT throw the motherboard in municipal waste. This product has been designed to
enable proper reuse of parts and recycling. This symbol of the crossed out wheeled bin
indicates that the product (electrical and electronic equipment) should not be placed in
municipal waste. Check local regulations for disposal of electronic products.
DO NOT throw the mercury-containing button cell battery in municipal waste. This symbol
of the crossed out wheeled bin indicates that the battery should not be placed in municipal
waste.
v
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 cables are unplugged.
•
Seek professional assistance before using an adapter or extension cord. These devices
could interrupt the grounding circuit.
• Ensure that your power supply is set to the correct voltage in your area. If you are not
sure about the voltage of the electrical outlet you are using, contact your local power
company.
• If the power supply is broken, do not try to x it by yourself. Contact a qualied service
technician or your retailer.
Operation safety
•
Before installing the motherboard and adding devices on it, carefully read all the manuals
that came with the package.
•
Before using the product, ensure that all cables are correctly connected and the power
cables are not damaged. If you detect any damage, contact your dealer immediately.
•
To avoid short circuits, keep paper clips, screws, and staples away from connectors,
slots, sockets, and circuitry.
• Avoid dust, humidity, and temperature extremes. Do not place the product in any area
where it may become wet.
•
Place the product on a at and stable surface.
• If you encounter technical problems with the product, contact a qualied service
technician or your retailer.
About this guide
This user guide contains the information you need when installing and conguring the
motherboard.
How this guide is organized
This guide contains the following parts:
• Chapter 1: Product introduction
This chapter describes the features of the motherboard and the new technology it
supports.
• Chapter 2: BIOS information
This chapter tells how to change system settings through the BIOS setup menus.
Detailed descriptions of the BIOS parameters are also provided.
vi
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 toInformation to prevent injury to yourself when trying to
complete a task.
CAUTION: Information to prevent damage to the components when trying toInformation 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.Tips and additional information to help you complete a task.
Where to nd more information
Refer to the following sources for additional information and for product and software
updates.
1. ASUS websites
The ASUS website provides updated information on ASUS hardware and software
products.
2. Optional documentation
Your product package may include optional documentation, such as warranty yers,
that may have been added by your dealer. These documents are not part of the
standard package.
Typography
Bol d te xt Indicates a menu or an item to select.
Italics
Used to emphasize a word or a phrase.
<Key> Keys enclosed in the less-than and greater-than sign means
that you must press the enclosed key.
Example: <Enter> means that you must press the Enter or
Return key.
<Key1>+<Key2>+<Key3> If you must press two or more keys simultaneously, the key
names are linked with a plus sign (+).
Example: <Ctrl>+<Alt>+<D>
vii
M4N78-AM V2 specications summary
CPU AMD® Phenom™ II / Athlon™ II / Phenom™ / Athlon™ /
Chipset NVIDIA® GeForce® 8200 (MCP78S)
System bus Up to 5200 MT/s HyperTransport™ 3.0 interface for
Memory Dual-channel memory architecture
Graphics Integrated NVIDIA® GeForce® 8 Series GPU
Expansion slots 1 x PCIe x16 slot
Storage 1 x Ultra DMA 133/100/66 connector
Audio VIA VT1708S High Denition Audio 6-channel CODEC
Sempron™ Family processors (AM3 / AM2+ / AM2)
AMD Cool ‘n’ Quiet™ Technology
Supports CPU up to 95W
Refer to www.asus.com for the AMD CPU support list
AM3 / AM2+ CPU
2000 / 1600 MT/s for AM2 CPU
2 x 240-pin DIMM slots support unbuffered ECC and
non-ECC DDR2 1066/800/667MHz memory modules
Supports up to 8GB system memory
* DDR2 1066 is supported by AM3 / AM2+ CPU only.
** Refer to www.asus.com for the latest Memory QVL
(Qualied Vendors List).
*** When you install a total memory of 4GB or more,When you install a total memory of 4GB or more,
WindowsWindows® 32-bit operating system may only recognize
less than 3GB. We recommend a maximum of 3GB
system memory if you are using a Windows® 32-bit
operating system.
Maximum shared memory of 512MB
Supports D-Sub with max. resolution up to 1920 x 1440
Supports Microsoft® DirectX 10
Supports PCIe 2.0/1.0 architecture
Supports NVIDIA® Hybrid SLI® Technology (for Windows®
Vista only)
* Refer to www.asus.com for details on how to use
Hybrid SLI®.
1 x PCIe x1 slot
2 x PCI slots
4 x Serial ATA 3Gb/s connectors
NVIDIA® MediaShield™ RAID supports RAID 0, RAID 1,
RAID 0+1, RAID 5, and JBOD congurations
Supports Multi-streaming and Anti Pop Function
viii
(continued on the next page)
M4N78-AM V2 specications summary
USB Supports up to 10 USB 2.0/1.1 ports (6 ports at mid-board,
LAN Broadcom B5071 PHY Gigabit LAN
ASUS special features ASUS Turbo Key
ASUS overclocking
features
Back panel I/O ports 1 x PS/2 Keyboard port
Internal I/O connectors 3 x USB 2.0/1.1 connectors support additional 6 USB 2.0/1.1
BIOS 8Mb Flash ROM, AMI BIOS, PnP, DMI v2.0, WfM2.0,
Accessories 2 x Serial ATA cables
Form Factor MicroATX form factor: 9.6 in x 8.0 in (24.4 cm x 20.3 cm)
Support DVD Drivers
4 ports at the back panel)
ASUS Q-Fan
ASUS CrashFree BIOS3
ASUS EZ Flash2
ASUS AI NET2
ASUS MyLogo2
SFS (Stepless Frequency Selection):
- Memory tuning from 533MHz to 1066MHz
- PCIe frequency tuning from 100MHz to 200MHz at
1MHz increment
ASUS C.P.R. (CPU Parameter Recall)
1 x PS/2 Mouse port
1 x RJ45 port
1 x VGA port
4 x USB 2.0/1.1 ports
6-channel audio I/O ports
1 x COM port
1 x LPT port
ports
1 x IDE connector
4 x SATA connectors
1 x system panel connector
1 x CD audio-in connector
1 x Internal speaker connector
1 x Front panel audio connector
1 x CPU fan connector
1 x S/PDIF_OUT connector
1 x 24-pin EATX power connector
1 x 4-pin ATX 12V power connector
ACPI v2.0a, SM BIOS v2.5
1 x Ultra DMA 133/100/66 cable
1 x I/O shield
1 x User Manual
ASUS Update
ASUS PC Probe II
Anti-Virus software (OEM version)
*Specications are subject to change without notice.
ix
Chapter 1
Standby Power
Product introduction
Thank you for buying an ASUS® M4N78-AM V2 motherboard!
Before you start installing the motherboard, and hardware devices on it, check the items in
your motherboard package. Refer to page ix for the list of accessories.
If any of the items is damaged or missing, contact your retailer.
1.1 Before you proceed
Take note of the following precautions before you install motherboard components or change
any motherboard settings.
• Unplug the power cord from the wall socket before touching any component.
• Before handling components, use a grounded wrist strap or touch a safely grounded
object or a metal object, such as the power supply case, to avoid damaging them due to
static electricity
• Hold components by the edges to avoid touching the ICs on them.
• Whenever you uninstall any component, place it on a grounded antistatic pad or in the
bag that came with the component.
• Before you install or remove any component, switch off the ATX power supply and
detach its power cord. Failure to do so may cause severe damage to the motherboard,
peripherals, or components.
Onboard LED
This motherboard comes with a standby power LED that lights up to indicate that the system
is ON, in sleep mode, or in soft-off mode. This is a reminder that you must shut down
the system and unplug the power cable before removing or plugging in any motherboard
component. The illustration below shows the location of the onboard LED.
Chapter 1: Product introduction1-1
1.2 Motherboard overview
COM1
B5071A
2KFBG
SOCKET AM2+
NVIDIA
®
GeForce 8200
VIA
VT1708S
USBPW1-4
USBPW5-10
1.2.1 Motherboard layout
Ensure that you install the motherboard into the chassis in the correct orientation. The edge
with external ports goes to the rear part of the chassis.
Place this side towards
the rear of the chassis.
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.
1.2.2 Layout contents
Connectors/Jumpers/Slots/LED Page Connectors/Jumpers/Slots/LED Page
1. USB device wake-up (3-pin USBPW1-4, USBPW5-10) 1-7 9. Serial ATA connectors (7-pin SATA1/2/3/4) 1-10
2. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) 1-13 10. USB connectors (10-1 pin USB56, USB78,
3. AM2+ CPU Socket 1-3 11. Standby power LED (SB_PWR) 1-1
USB910)
1-12
4. CPU fan connector (4-pin CPU_FAN) 1-12 12. System panel connector (10-1 pin F_PANEL) 1-13
5. DDR2 DIMM slots 1-3 13. Optical drive audio in connector (4-pin CD) 1-11
6. IDE connector (40-1 pin PRI_IDE) 1-11 14. Front panel audio connector (10-1 pin AAFP) 1-10
7. Internal speaker connector (4-pin SPEAKER) 1-9 15. Digital audio connector (4-1 pin SPDIF_OUT) 1-14
8. Clear RTC RAM (3-pin CLRTC) 1-7 16. Keyboard power (3-pin KBPWR) 1-8
1-2ASUS M4N78-AM V2
1.3 Central Processing Unit (CPU)
This motherboard supports AMD® Phenom™ II / Athlon™ II / Phenom™ / Athlon™ /
Sempron™ Family processors.
The AM2+ socket has a different pinout from the 940-pin socket designed for the
AMD Opteron™ processor. Use a CPU that is designed for the AM2+ socket.
1.4 System memory
1.4.1 Overview
This motherboard comes with two Double Data Rate 2 (DDR2) Dual Inline Memory Modules
(DIMM) sockets. A DDR2 DIMM has the same physical dimensions as a DDR DIMM but
has a 240-pin footprint compared to the 184-pin DDR DIMM. DDR2 DIMMs are notched
differently to prevent installation on a DDR DIMM socket.
The gure illustrates the location of the DDR2 DIMM sockets:
Channel Sockets
Channel A DIMM_A1
Channel B DIMM_B1
1.4.2 Memory congurations
You may install 512MB, 1GB, 2GB, and 4GB unbuffered ECC and non-ECC DDR2 DIMMs
into the DIMM sockets.
The motherboard supports up to 8GB memory modules on Windows® XP Professional x64
and Vista x64 editions. You may install a maximum of 4GB DIMMs on each slot.
• You may install varying memory sizes in Channel A and Channel B. The system maps
the total size of the lower-sized channel for the dual-channel conguration. Any excess
memory from the higher-sized channel is then mapped for single-channel operation.
• Always install DIMMs with the same CAS latency. For optimum compatibility, we
recommend that you obtain memory modules from the same vendor.
Chapter 1: Product introduction1-3
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