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AT3N7A-I
E4877
First Edition V1
August 2009 ii
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, modified or altered, unless such repair, modification 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 identification or explanation and to the owners’ benefit, without intent to infringe.
Contents
AT3N7A-I specifications 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 configurations .................................................... 1-4
1.5.1 Installing an expansion card ........................................... 1-7
1.5.2 Configuring an expansion card ....................................... 1-7
1.5.3 PCI slot ........................................................................... 1-7
1.7.1 Rear panel connectors .................................................... 1-9
1.7.2 Internal connectors ........................................................1-11
1.8 Software support ........................................................................ 1-16
1.8.1 Installing an operating system ...................................... 1-16
1.8.2 Support DVD information .............................................. 1-16
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 ............................................................ 2-2
2.1.3 ASUS CrashFree BIOS ................................................... 2-3
2.2 BIOS setup program .................................................................... 2-4
2.3.1 System Time ................................................................... 2-5
2.3.2 System Date ................................................................... 2-5
2.3.3 SATA 1~3, ESATA ........................................................... 2-5
iii
iv
Contents
2.3.4 Storage Configuration ..................................................... 2-6
2.3.5 System Information ......................................................... 2-6
2.4 Advanced menu ........................................................................... 2-6
2.4.1 CPU Configuration .......................................................... 2-7
2.4.2 JumperFree Configuration .............................................. 2-7
2.4.3 Chipset ............................................................................ 2-8
2.4.4 Onboard Devices Configuration ...................................... 2-9
2.4.5 USB Configuration .......................................................... 2-9
2.4.6 PCI PnP ........................................................................ 2-10
2.5 Power menu ................................................................................ 2-10
2.5.1 Suspend Mode .............................................................. 2-10
2.5.2 ACPI 2.0 Support ...........................................................2-11
2.5.3 ACPI APIC Support ........................................................2-11
2.5.4 APM Configuration .........................................................2-11
2.5.5 Hardware Monitor ..........................................................2-11
2.6.1 Boot Device Priority ...................................................... 2-12
2.6.2 Boot Settings Configuration .......................................... 2-12
2.6.3 Security ......................................................................... 2-13
2.7.1 ASUS EZ Flash 2 .......................................................... 2-14
2.7.2 Express Gate ................................................................ 2-15
2.7.3 AI NET 2........................................................................ 2-15
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 modifications 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
vi
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 fix it by yourself. Contact a qualified service technician or your retailer.
• The optical S/PDIF is an optional component (may or may not be included in your motherboard) and is defined as a CLASS 1 LASER PRODUCT.
INVISIBLE LASER RADIATION, AVOID EXPOSURE TO BEAM.
• Never dispose of the battery in fire. It could explode and release harmful substances into the environment.
• Never dispose of the battery with your regular household waste. Take it to a hazardous material collection point.
• Never replace the battery with an incorrect battery type.
• RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE.
• DISPOSE OF USED BATTERIES ACCORDING TO THE ABOVE BATTERY-RELATED
INSTRUCTIONS.
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.
This motherboard should only be used in environments with ambient temperatures between
5°C (41°F) and 40°C (104°F).
• Place the product on a stable surface.
• If you encounter technical problems with the product, contact a qualified service technician or your retailer.
About this guide
This user guide contains the information you need when installing and configuring 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.
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 to complete a task.
CAUTION: Information 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.
Where to find 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. Refer to the ASUS contact information.
2. Optional documentation
Your product package may include optional documentation, such as warranty flyers, that may have been added by your dealer. These documents are not part of the standard package.
Typography
Bold text
Italics
<Key>
Indicates a menu or an item to select.
Used to emphasize a word or a phrase.
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
viii
AT3N7A-I specifications summary
CPU
Chipset
Front Side Bus
Memory
Graphics
Expansion slot
Storage
Audio
LAN
USB
Fan
ASUS special features
Integrated Dual-Core Intel ®
NVIDIA ® ION™
Atom™ 330 processor
533 MHz
Dual channel memory architecture
- 2 x 240-pin DIMM sockets support maximum 4GB
unbuffered non-ECC 800/667 MHz DDR2 memory
modules
* Refer to www.asus.com or this user manual for the
Memory QVL (Qualified Vendors Lists).
** When you install a total memory of 4GB capacity
or more, Windows ® 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.
®
Integrated NVIDIA ® GeForce Series DirectX10 graphics
processor
Supports CUDA technology
Supports PhysX technology
Supports RGB with max. resolution up to 1920 x 1440 x
32 Bpp @75Hz
Supports HDMI with max. resolution up to 1920 x 1200 x
32 Bpp @60Hz
Dual VGA output supports:
RGB&HDMI
* The minimum system requirements of playing HD-DVD
and Blu-ray disc: Graphics shared memory of 256MB /
1GB dual-channel DDR2 667 or single-channel DDR2
800.
1 x PCI slot
3 x Serial ATA 3Gb/s ports
VIA ® VT1708S High Definition Audio 8-channel CODEC
Realtek ® RTL8112L PCIe Gigabit LAN controller
Supports up to 10 USB 2.0/1.1 ports (2 ports at mid-board,
8 ports at back panel)
Rated Speed: 6000 ± 15% RPM
ASUS CrashFree BIOS 3
ASUS EZ Flash 2
ASUS MyLogo 2™
ASUS AI NET 2
ASUS Express Gate
(continued on the next page)
AT3N7A-I specifications summary
Rear panel ports
Internal connectors
BIOS features
Accessories
Support DVD contents
Form Factor
1 x PS/2 Keyboard port
1 x Bluetooth adapter
1 x eSATA port
2 x S/PDIF out ports (Optical & Coaxial)
1 x VGA port
1 x HDMI port
1 x LAN (RJ-45) port
8 x USB 2.0/1.1 ports
8-channel audio I/O ports
1 x USB 2.0/1.1 connector supports additional 2 USB 2.0/1.1
ports
1 x CPU fan connector
1 x Chassis fan connector
1 x Power fan connector
1 x Chassis intrusion connector
3 x Serial ATA connectors
1 x System panel connector
1 x High definition front panel audio connector
1 x 24-pin EATX power connector
1 x 4-pin ATX 12V power connector
8 Mb Flash ROM, AMI BIOS, PnP, DMI2.0, WfM2.0,
SMBIOS 2.5, ACPI v2.0a
2 x Serial ATA cables
1 x I/O shield
1 x User Manual
Drivers
ASUS PC Probe II
ASUS Update
Anti-virus software (OEM version)
Mini ITX form factor: 6.75 in x 6.75 in (17.1cm x 17.1cm)
*Specifications are subject to change without notice.
ix
Chapter 1
Product introduction
Thank you for buying an ASUS ® AT3N7A-I 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, ensure that the ATX power supply is switched off or the power cord is detached from the power supply. Failure to do so may cause severe damage to the motherboard, peripherals, or components.
Onboard LED
The 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.
ASUS AT3N7A-I 1-1
1.2
1.2.1
Motherboard overview
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.
1-2
Place four 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
3. USB connector (10-1 pin USB910)
4. Atom 330 processor
5. DDR2 DIMM slots
6. System panel connector (10-1 pin F_PANEL)
Page
1-11 7.
Connectors/Jumpers/Slots/LED
Chassis intrusion connector (4-1 pin
CHASSIS)
1-14 8.
Onboard LED (SB_PWR)
1-13 9.
Clear RTC RAM (3-pin CLRTC)
1-3 10. Serial ATA connectors (7-pin SATA1,
1-3 11. PCI slot
Page
1-13
1-1
1-8
1-12
1-7
1-14
Chapter 1: Product introduction
1.3 Central Processing Unit (CPU)
The motherboard comes with an onboard Dual-Core Intel specially designed CPU heatsink and fan.
® Atom™ 330 processor and a
Ensure that the CPU fan cable is connected to the onboard CPU_Fan connector.
1.4 System memory
1.4.1 Overview
The motherboard comes with two Double Data Rate 2 (DDR2) Dual Inline Memory Modules
(DIMM) sockets. The figure illustrates the location of the DDR2 DIMM sockets:
Channel
Channel A
Channel B
Sockets
DIMM_A1
DIMM_B1
ASUS AT3N7A-I 1-3
1-4
1.4.2 Memory configurations
You may install 512MB, 1GB, and 2GB unbuffered non-ECC DDR2 DIMMs into the DIMM sockets.
• 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 configuration. Any excess memory from the higher-sized channel is then mapped for the single-channel operation.
• Always install DIMMs with the same CAS latency. For optimum compatibility, it is recommended that you obtain memory modules from the same vendor.
• Due to the memory address limitation on 32-bit Windows ® OS, when you install 4GB or more memory on the motherboard, the actual usable memory for the OS can be about 3GB or less. For effective use of memory, we recommend that you do any of the following:
-
-
Use a maximum of 3GB system memory if you are using a 32-bit Windows
Install a 64-bit Windows the motherboard.
®
® OS.
OS when you want to install 4GB or more memory on
• This motherboard does not support DIMMs made up of 256 megabits (Mb) chips or less.
This motherboard supports up to 4GB on Windows ® XP Professional x64 and Windows ®
Vista x64 editions. You may install a maximum of 2GB DIMMs on each slot.
AT3N7A-I Motherboard Qualified Vendors Lists (QVL)
DDR2-667 MHz capability
Size Vendor Part No.
2048MB
512MB
512MB
512MB
1024MB
1024MB
1024MB
2048MB
512MB
1024MB
A-Data
Apacer
Apacer
Apacer
Apacer
Apacer
Apacer
Apacer
Corsair
Corsair
M2OAD5H3J4170I1C53
78.91G92.9K5
AU 512E667C5KBGC
AU 512E667C5KBGC
78.01G9O.9K5
AU01GE667C5KBGC
AU01GE667C5KBGC
78.A1G9O.9K4
VS 512MB667D2
VS1GB667D2
2048MB(Kit of 2)G.SKILL F2-5400PHU2-2GBNT
SS/
DS
Chip
Brand
DS ADATA
SS Apacer
SS Apacer
SS Apacer
SS Apacer
DS Apacer
DS Apacer
DS Apacer
Chip NO.
CL
AD20908A8A-3EG 30724 N/A
AM4B5708JQJS7E0751C 5
AM4B5708GQJS7E06332F 5
AM4B5708MIJS7E0627B 5
AM4B5808CQJS7E0751C 5
AM4B5708GQJS7E0636B N/A
AM4B5708MIJS7E0627B 5
AM4B5808CQJS7E0749B 5
MIII0052532M8CEC
MID095D62864M8CEC
N/A
N/A
DIMM support
A* B*
• •
• •
• •
• •
•
•
• •
• •
• •
DS Corsair
DS Corsair
DS G.SKILL D2 64M8CCF 0815 C7173S 5-5-5-15 •
• •
•
•
Chapter 1: Product introduction
Size Vendor
2048MB(Kit of 2) A-Data
1024MB
2048MB
512MB
1024MB
A-Data
A-Data
4096MB(Kit of 2) A-Data
2048MB
1024MB
1024MB
1024MB
Apacer
Apacer
Apacer
Corsair
Corsair
Corsair
4096MB(Kit of 2) Corsair
4096MB(Kit of 2) Corsair
2048MB(kit of 2) Crucial
2048MB Crucial
4096MB(kit of 2) Crucial
4096MB(kit of 2) Crucial
512MB G.SKILL
1024MB
1024MB
1024MB
1024MB
1024MB
1024MB
1024MB
1024MB
1024MB
2048MB
2048MB
2048MB
2048MB
2048MB
2048MB
2048MB
1024MB
1024MB
1024MB
2048MB
G.SkiLL
G.SKILL
G.SKILL
G.SKILL
2048MB G.SKILL
4096MB(Kit of 2 )G.SkiLL
4096MB
1024MB
G.SKILL
GEIL
GEIL
GEIL
GEIL
GEIL
GEIL
GEIL
2048MB
2048MB
2048MB
2048MB
1024MB
2048MB
GEIL
GEIL
GEIL
GEIL
GEIL
GEIL
GEIL
GEIL
GEIL
GEIL
GEIL
GEIL
GEIL
GEIL
Kingmax kingmax
512MB Kingston
512MB Kingston
1024MB(Kit of 2) Kingston
1024MB
1024MB
2048MB(Kit of 2) Kingston
2048MB
2048MB
4096MB
2048MB
1024MB
1024MB
Kingston
Kingston
Kingston
Kingston
Kingston
Micron
OCZ
OCZ
DDR2-800 MHz capability
Part No.
AD2800E001G0U SS
M2GVD6G314170Q1E58 DS
AD2800002GMU
AD2800E002GOU
78.91G9I.9K5
78.01GA0.9L5
78.A1GA0.9L4
CM2X1024-6400
XMS2-6400
XMS2-6400
CM2X2048-6400C5DHX
CM2X2048-6400C5
CT25664AA800.16FG
DS
DS
SS
SS
DS
DS
DS
DS
DS
DS
BL12864AL80A.8FE5(EPP) SS
DS
BL25664AL80A.16FE5(EPP) DS
BL25664AR80A.16FE5(EPP)DS
F2-6400CL5D-1GBNQ SS
F2-6400PHU2-2GBNR
F2-6400CL4D-2GBPK
F2-6400CL5D-2GBNQ
F2-6400CL4D-4GBPK
F2-6400CL5D-4GBPQ
F2-6400CL6D-4GBMQ
F2-6400CL6Q-16GMQ
GB22GB6400C4DC
GB22GB6400C5DC
GB24GB6400C4QC
GB24GB6400C5QC
GE22GB800C4DC
GE22GB800C5DC
GE24GB800C4QC
GE24GB800C5QC
GX22GB6400DC
GX22GB6400UDC
GB24GB6400C4DC
GB24GB6400C5DC
GB28GB6400C4QC
GB28GB6400C5QC
GE24GB800C4DC
GE24GB800C5DC
GE28GB800C4QC
GE28GB800C5QC
GX22GB6400C4USC
GX22GB6400LX
GX24GB6400DC
KLDD48F-B8KU5 NGES
KLDE88F-B8KU5 NHES
KVR800D2N5/ 512(low profile)
SS
KVR800D2N6/ 512
KHX6400D2LLK2/1GN
SS
SS
KVR800D2N5/1G(low profile)SS
KVR800D2N6/1G(low profile)SS
KHX6400D2K2/2G DS
KVR800D2N5/2G(low profile)DS
KVR800D2N6/2G(low profile)DS
KVR800D2N6/4G DS
MT16HTF25664AY-800G1 DS
OCZ2P800R22GK
OCZ2RPR8002GK
DS
DS
DS
DS
DS
DS
SS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
SS
DS
DS
DS
Corsair
Corsair
N/A
N/A
N/A
Micron
N/A
N/A
N/A
VDATA
Hynix
N/A
Apacer
Apacer
Apacer
Corsair
Chip NO.
Heat-Sink Package
VD29608A8A-25EG80813 N/A
Heat-Sink Package
Heat-Sink Package
CL
DIMM support
A* B*
4-4-4-12 • •
AM4B5708JQJS8E0751C 5
AM4B5808FEWS8E0909C5
AM4B5808FEWS8E0909C5
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
8ZG27 D9JWB
Heat-Sink Package
Heat-Sink Package
•
• •
N/A
4-4-4-12 • •
•
N/A
4
5
5
• •
• •
• •
• •
• •
• •
• •
• • 5
4-4-4-12 • •
6-6-6-12 • •
4-4-4-12 • •
4-4-4-12 • •
GEIL
GEIL
GEIL
GEIL
GEIL
GEIL
GEIL
GEIL
N/A
GEIL
GEIL
GEIL
GEIL
GEIL
GEIL
GEIL
N/A
SN:8151030036642
Heat-Sink Package
G.SKILL Heat-Sink Package
G.SKILL Heat-Sink Package
G.SKILL Heat-Sink Package
G.SKILL Heat-Sink Package
N/A Heat-Sink Package
Heat-Sink Package
GL2L64M088BA30EB
GL2L64M088BA30EB
GL2L64M088BA30EB
GL2L64M088BA30EB
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
GL2L128M88BA25AB
GL2L128M88BA25AB
GL2L128M88BA25AB
5-5-5-15 •
GEIL
GEIL
GEIL
GEIL
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
GEIL
GEIL
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
5
5
Kingmax KKB8FNUBF-DNX-25A N/A kingmax KKB8FNUBF-DNX-25A N/A
5
4
5
4
5
4
5
4
4
5
5
5
•
5
4
5
4
5
4
5
5
5-5-5-15 • •
4
•
• •
5
4
•
• •
5
6-6-6-18 • •
•
•
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
ELPIDA E5108AJBG-8E-E
Elpida E5108AJBG-8E-E
Kingston Heat-Sink Package
Elpida E1108AEBG-8E-F
Samsung K4T1G084QE
N/A Heat-Sink Package
Kingston D1288TEFCGL25U
Samsung K4T1G084QE
Elpida
Micron
OCZ
OCZ
E2108ABSE-8G-E
8ZG27 D9JWB
Heat-Sink Package
Heat-Sink Package
N/A • •
5
6
6 • •
4-4-4-12 • •
• •
• •
5-5-5-15 • •
5
6
6
• •
• •
• •
6-6-6-12 • •
4-4-4-15 • •
4-4-4-15 • •
(continued on the next page)
ASUS AT3N7A-I 1-5
1-6
DDR2-800 MHz capability
Size Vendor Part No.
1024MB OCZ
2048MB(Kit of 2) OCZ
2048MB OCZ
4096MB(Kit of 2) OCZ
4096MB(Kit of 2) OCZ
1024MB PSC
PSC 2048MB
2048MB
2048MB
2048MB
512MB
1024MB
1024MB
1024MB
1024MB
2048MB
4096MB
OCZ2VU8004GK
OCZ2SE8002GK
OCZ2F8004GK(EPP)
OCZ2P8004GK
OCZ2VU8004GK
AL7E8G73F-8E1
AL8E8F73C-8E1
AL8E8G73F-8E1 PSC
PSC
PSC
PL8E8F73C-8E1
PL8E8G73E-8E1
SAMSUNG M378T6553GZS-CF7
SAMSUNG M378T2863EHS-CF7
SAMSUNG M378T2863QZS-CF7
SAMSUNG M378T2953GZ3-CF7
SAMSUNG M378T2953GZ3-CF7
SAMSUNG M37875663QZ3-CF7
SAMSUNG M378T5263AZ3-CF7
1024MB Super Talent T800UB1GC4 DS
512MB
1024MB
1024MB
1024MB
1024MB
1024MB
2048MB
2048MB
1024MB
2048MB
1024MB
1024MB
2048MB
1024MB
2048MB
2048MB
1024MB
4096MB(Kit of 2) PATRIOT
512MB
1024MB
1024MB
1024MB
2048MB
1024MB
2048MB
512MB
1024MB
Kingtiger
Kingtiger
Kingtiger
MDT
TAKEMS
TAKEMS
TAKEMS
TAKEMS
TAKEMS
UMAX
UMAX
V-Data
V-Data
Transcend TS64MLQ64V8J
Transcend JM800QLU-1G
Transcend TS128MLQ64V8U
Transcend JM800QLJ-1G
Transcend JM800QLJ-1G
Transcend TS128MLQ64V8J
Transcend JM800QLU-2G
Transcend TS256MLQ64V8U
ASINT
ASINT
Century
Elixir
Elixir
SLY2128M8-JGE
SLZ2128M8-JGE
28V0H8
M2Y1G64TU88D5B-AC
0828.GS
M2Y2G64TU8HD5B-AC
0826.SG
M9CA0Y6109
SS
DS
KTG2G800PG2
M9CA0X8793
MDT 1024MB
PDC24G6400ELK DS
TMS51B264C081-805EP SS
TMS1GB264D082-805EE SS
TMS1GB264C081-804EE DS
DS
DS
DS
DS
TMS1GB264C081-805EP DS
TMS2GB264D081-805KE DS
D48001GP3-63BJU
D48002GP0-73BCU
DS
DS
M2GVD6G3H3160Q1E52 SS
M2XSSKG3147C1L1C5Z DS
DS
DS
DS
DS
SS
SS
SS
DS
SS
DS
DS
SS
DS
DS
DS
DS
DS
DS
SS
SS
DS
SS
DS
DS
DS
DS
DS
DS
OCZ
N/A
N/A
N/A
N/A
PSC
PSC
PSC
Chip NO.
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
P3R1GE3FGF850MAC19 N/A
A3R1GE3CFF734MAA0E 5
P3R1GE3FGF850MAC19 N/A
PSC
PSC
SHG772-AA3G
XCP271A3G-A
Qimonda K4T51083QG-HCF7
Samsung K4T1G084QE
Qimonda K4T1G084QQ-HCF7
Samsung K4T51083QG
Samsung K4T51083QG-HCF7
Samsung K4T1G084QQ-HCF7
Samsung K4T2G084QA-HCF7
Super
Heat-Sink Package
Talent
Micron 7HD22 D9GMH
Transced TQ1243PCF8
ELPIDA E1108ACBG-8E-E
Transced TQ123PJF8F0801
Transcend TQ123YBF8 T0747
Mircon 7HD22D9GMH
Transced TQ243PCF8
Elpida
ASINT
ASINT
Hynix
E1108ACBG-8E-E
DDRII1208-GE 8115
DDRII1208-GE 8115
HY5PS12821CFP-S5
5
5
6
N/A
6
6
6
N/A
N/A
CL
DIMM support
A* B*
5-6-6-18 • •
5-5-5-15 • •
5-4-4-18 • •
5-4-4-15 • •
5-6-6-18 • •
4
5
5
5
5
5
5
5
5
N/A
N/A
5
•
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
• •
•
•
• •
•
• •
• •
• •
• •
•
• •
• •
• •
• •
Elixir N2TU16800E-AC N/A • •
Elixir N2TUG80DE-AC N/A • •
Hynix
N/A
Hynix
MDT
N/A
HY5PS12821C FP-S5
Heat-Sink Package
N/A
N/A
HY5PS1G831C FP-S6 N/A
18D 51280D-2.50726E
5
Heat-Sink Package 5-5-5-12 • • takeMS MS18T 51280-2.5P0710 5
TAKEMS WS18T1G80-205 E0905 5
TAKEMS Heat-Sink Package
• •
• •
• •
• •
• •
• •
4-4-4-12 • • takeMS MS18T 51280-2.5P0716 5
TAKEMS MS18T1G80-205 E0907 5
UMAX
UMAX
VDATA
U2S12D30TP-8E
U2S24D30TP-8E
N/A
5
VD29608A8A-25EG20813 N/A
Samsung K4T51083QE N/A
•
• •
• •
• •
• •
• •
SS: Single-sided / DS: Double-sided
DIMM support:
• A*: Supports one module inserted into either slot as the single-channel memory
configuration.
• B*: Supports one pair of modules inserted into both the yellow slots as one pair of
dual-channel memory configuration.
Visit the ASUS website at www.asus.com for the latest QVL.
Chapter 1: Product introduction
1.5 Expansion slot
In the future, you may need to install expansion cards. The following sub-sections describe the slot and the expansion cards that it supports.
Unplug the power cord before adding or removing expansion cards. Failure to do so may cause you physical injury and damage motherboard components.
1.5.1 Installing an expansion card
To install an expansion card:
1. Before installing the expansion card, read the documentation that came with it and make the necessary hardware settings for the card.
2. Remove the system unit cover (if your motherboard is already installed in a chassis).
3. Remove the bracket opposite the slot that you intend to use. Keep the screw for later use.
4. Align the card connector with the slot and press firmly until the card is completely seated on the slot.
5. Secure the card to the chassis with the screw you removed earlier.
6. Replace the system cover.
1.5.2 Configuring an expansion card
After installing the expansion card, configure it by adjusting the software settings.
1. Turn on the system and change the necessary BIOS settings, if any. See Chapter 2 for information on BIOS setup.
2. Assign an IRQ to the card.
3. Install the software drivers for the expansion card.
1.5.3 PCI slot
The PCI slot supports cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications.
ASUS AT3N7A-I 1-7
1-8
1.6 Jumpers
1. Clear RTC RAM (3-pin CLRTC)
This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in
CMOS, which include system setup information such as system passwords.
To erase the RTC RAM:
1. Turn OFF the computer and unplug the power cord.
2. Move the jumper cap from pins 1-2 (default) to pins 2-3. Keep the cap on pins 2-3 for about 5-10 seconds, then move the cap back to pins 1-2.
3. Plug the power cord and turn ON the computer.
4. Hold down the <Del> key during the boot process and enter BIOS setup to re-enter data.
Except when clearing the RTC RAM, never remove the cap on CLRTC jumper default position. Removing the cap will cause system boot failure!
If the steps above do not help, remove the onboard battery and move the jumper again to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the battery.
Chapter 1: Product introduction
1.7 Connectors
1.7.1 Rear panel connectors
1. PS/2 Keyboard port (purple). This port is for a PS/2 keyboard.
2. Video Graphics Adapter (VGA) port. This 15-pin port is for a VGA monitor or other
VGA-compatible devices.
3. USB 2.0 ports 5 and 6. These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices.
4. Onboard Bluetooth module. This onboard Bluetooth module allows wireless connection and data transfer between your system and other Bluetooth devices.
• Due to the limitations of the Bluetooth driver and the Windows ® some Bluetooth functions may not be supported in Windows ®
Windows ®
7 OS beta version,
7 OS beta version, and
7 beta version may not recognize the onboard Bluetooth module.
• When Windows ® 7 OS is officially released, we will release an updated Bluetooth driver, which will provide the complete Bluetooth functions. Download the latest Bluetooth driver from the ASUS support wedsite at http://support.asus.com.
5. LAN (RJ-45) port. This port allows Gigabit connection to a Local Area Network (LAN) through a network hub. Refer to the table below for the LAN port LED indications.
LAN port LED indications
ACT/LINK
LED
SPEED
LED
ACT/LINK LED
Status
OFF
ORANGE
BLINKING
Description
No link
Linked
Data activity
SPEED LED
Status
OFF
ORANGE
GREEN
Description
10 Mbps connection
100 Mbps connection
1 Gbps connection
LAN port
6. Center/Subwoofer port (orange). This port connects to the center/subwoofer speakers.
7. Rear Speaker Out port (black). This port connects to the rear speakers in the
4, 6, and 8-channel audio configurations.
8. Line In port (light blue). This port connects to the tape, CD, DVD player, or other audio sources.
ASUS AT3N7A-I 1-9
1-10
9. Line Out port (lime). This port connects to a headphone or a speaker. In the 4, 6 and
8-channel configurations, the function of this port becomes Front Speaker Out.
10. Microphone port (pink). This port connects to a microphone.
11. Side Speaker Out port (gray). This port connects to the side speakers in the
8-channel audio configuration.
Refer to the audio configuration table below for the function of the audio ports in the 2, 4, 6, or 8-channel configuration.
Audio 2, 4, 6, or 8-channel configuration
Port
Light Blue
Lime
Pink
Orange
Black
Gray
Headset
2-channel
Line In
Line Out
Mic In
–
–
–
4-channel
Line In
Front Speaker Out
Mic In
–
Rear Speaker Out
–
6-channel
Line In
Front Speaker Out
Mic In
Center/Subwoofer
Rear Speaker Out
–
8-channel
Line In
Front Speaker Out
Mic In
Center/Subwoofer
Rear Speaker Out
Side Speaker Out
Ensure the audio device of sound playback is VIA High Definition Audio (the name may be different based on the OS). Go to Start > Control Panel > Sounds and Audio Devices
> Sound Playback to configure the settings.
12. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are for
USB 2.0 devices.
13. USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports are for
USB 2.0 devices.
14. eSATA port. This port connects to an external Serial ATA hard disk drive.
To use hot-plug, set the SATA Mode Select item in the BIOS to [AHCI Mode]. See section
2.3.4 Storage Configuration for details.
15. Optical S/PDIF Out port. This port connects to an external audio output device via an optical S/PDIF cable.
16. Coaxial S/PDIF Out port. This port connects to an external audio output device via a coaxial S/PDIF cable.
17. HDMI port. This port is for a High-Definition Multimedia Interface (HDMI) connector, and is HDCP compliant allowing playback of HD DVD, Blu-Ray, and other protected content.
18. USB 2.0 ports 7 and 8. These two 4-pin Universal Serial Bus (USB) ports are for
USB 2.0 devices.
Chapter 1: Product introduction
1.7.2 Internal connectors
1. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)
These connectors are for ATX power supply plugs. The power supply plugs are designed to fit these connectors in only one orientation. Find the proper orientation and push down firmly until the connectors completely fit.
• We recommend that you use an ATX 12V Specification 2.0-compliant power supply unit
(PSU) with a minimum of 400W power rating. This PSU type has 24-pin and 4-pin power plugs.
• If you intend to use a PSU with 20-pin and 4-pin power plugs, ensure that the 20-pin power plug can provide at least 15 A on +12 V and that the PSU has a minimum power rating of 400W. The system may become unstable or may not boot up if the power is inadequate.
• DO NOT forget to connect the 4-pin ATX +12V power plug. Otherwise, the system will not boot up.
• We recommend that you use a PSU with higher power output when configuring a system with more power-consuming devices or when you intend to install additional devices. The system may become unstable or may not boot up if the power is inadequate.
• If you are uncertain about the minimum power supply requirement for your system, refer to the Recommended Power Supply Wattage Calculator at http://support.asus.
com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for details.
ASUS AT3N7A-I 1-11
2. Serial ATA connectors (7-pin SATA1, SATA2, SATA3)
These connectors are for the Serial ATA signal cables for Serial ATA 3Gb/s hard disk drives and optical disk drives. The Serial ATA 3Gb/s is backward compatible with the
Serial ATA 1.5Gb/s specification. The data transfer rate of the Serial ATA 3Gb/s is faster than the standard parallel ATA (133 MB/s).
1-12
• Install the Windows ® XP Service Pack 1 or later versions before using Serial ATA.
• If you intend to create a Serial ATA RAID set using these connectors, set the SATA
Mode Select item in the BIOS to [RAID Mode]. See 2.3.4 Storage Configuration for details.
• The motherboard does not provide a floppy disk drive connector. You could use a USB floppy disk drive when installing Windows that includes a RAID/AHCI set.
® XP operating system on a hard disk drive
• Due to Windows ® drive.
XP limitation, Windows ® XP may not recognize the USB floppy disk
• The motherboard does not support installing Windows ®
RAID/AHCI mode.
XP OS with SATA ODD under
• You need to copy RAID driver to other media such as a USB flash disk and load RAID driver during installing Windows ® Vista OS with SATA ODD.
• For more details on RAID/AHCI, refer to the RAID/AHCI Supplementary Guide included in the folder named Manual in the support DVD.
Chapter 1: Product introduction
3. USB connector (10-1 pin USB910)
This connector is for a USB 2.0 port. Connect the USB module cable to this connector, then install the module to a slot opening at the back of the system chassis. This USB connector complys with USB 2.0 specification that supports up to 480 Mbps connection speed.
Never connect a 1394 cable to the USB connector. Doing so will damage the motherboard!
The USB module cable is purchased separately.
4. Chassis intrusion connector (4-1 pin CHASSIS)
This connector is for a chassis-mounted intrusion detection sensor or switch. Connect one end of the chassis intrusion sensor or switch cable to this connector. The chassis intrusion sensor or switch sends a high-level signal to this connector when a chassis component is removed or replaced. The signal is then generated as a chassis intrusion event.
By default, the pin labeled “Chassis Signal” and “Ground” are shorted with a jumper cap. Remove the jumper caps only when you intend to use the chassis intrusion detection feature.
ASUS AT3N7A-I 1-13
5. CPU, power, and chassis fan connectors (3-pin CPU_FAN, 3-pin PWR_FAN, 3-pin
CHA_FAN)
The fan connectors support cooling fans of 350 mA~2000 mA (24 W max.) or a total of
1 A~3.48 A (41.76 W max.) at +12V. Connect the fan cables to the fan connectors on the motherboard, ensuring that the black wire of each cable matches the ground pin of the connector.
Do not forget to connect the fan cables to the fan connectors. Insufficient air flow inside the system may damage the motherboard components. These are not jumpers! Do not place jumper caps on the fan connectors!
6. Front panel audio connector (10-1 pin AAFP)
This connector is for a chassis-mounted front panel audio I/O module that supports either HD Audio or legacy AC`97 audio standard. Connect one end of the front panel audio I/O module cable to this connector.
1-14
• We recommend that you connect a high-definition front panel audio module to this connector to avail of the motherboard’s high-definition audio capability.
• If you want to connect a high-definition front panel audio module to this connector, set the Front Panel Select item in the BIOS setup to [HD Audio]. If you want to connect an
AC'97 front panel audio module to this connector, set the item to [AC97]. By default, this connector is set to [HD Audio]. See section 2.4.4 Onboard Devices Configuration for details.
Chapter 1: Product introduction
7. System panel connector (10-1 pin F_PANEL)
This connector supports several chassis-mounted functions.
• System power LED (2-pin PLED)
This 2-pin connector is for the system power LED. Connect the chassis power LED cable to this connector. The system power LED lights up when you turn on the system power, and blinks when the system is in sleep mode.
• Hard disk drive activity LED (2-pin HD_LED)
This 2-pin connector is for the HDD Activity LED. Connect the HDD Activity LED cable to this connector. The HD LED lights up or flashes when data is read from or written to the HDD.
• ATX power button/soft-off button (2-pin PWRBTN)
This connector is for the system power button. Pressing the power button turns the system on or puts the system in sleep or soft-off mode depending on the BIOS settings. Pressing the power switch for more than four seconds while the system is ON turns the system OFF.
• Reset button (2-pin RESET)
This 2-pin connector is for the chassis-mounted reset button for system reboot without turning off the system power.
ASUS AT3N7A-I 1-15
1.8 Software support
1.8.1 Installing an operating system
This motherboard supports Windows ® XP/Vista Operating Systems (OS). Always install the latest OS version and corresponding updates to maximize the features of your hardware.
• Motherboard settings and hardware options vary. Refer to your OS documentation for detailed information.
• Ensure that you install Windows system stability.
® XP Service Pack 3 or later versions / Windows ® Vista
Service Pack 1 or later versions before installing the drivers for better compatibility and
1.8.2 Support DVD information
The Support DVD that comes with the motherboard package contains the drivers, software applications, and utilities that you can install to avail all motherboard features.
The contents of the Support DVD are subject to change at any time without notice. Visit the
ASUS website at www.asus.com for updates.
To run the Support DVD
Place the Support DVD to the optical drive. The DVD automatically displays the Drivers menu if Autorun is enabled in your computer.
The following screen is for reference only.
Click an icon to display Support DVD/ motherboard information
1-16
Click an item to install
If Autorun is NOT enabled in your computer, browse the contents of the Support DVD to locate the file ASSETUP.EXE from the BIN folder. Double-click the ASSETUP.EXE to run the DVD.
Chapter 1: Product introduction
Chapter 2
BIOS information
2.1 Managing and updating your BIOS
Save a copy of the original motherboard BIOS file to a USB flash disk in case you need to restore the BIOS in the future. Copy the original motherboard BIOS using the ASUS Update utility.
2.1.1 ASUS Update utility
The ASUS Update is a utility that allows you to manage, save, and update the motherboard
BIOS in Windows ® environment.
• ASUS Update requires an Internet connection either through a network or an Internet
Service Provider (ISP).
• This utility is available in the support DVD that comes with the motherboard package.
Installing ASUS Update
To install ASUS Update:
1. Place the support DVD in the optical drive. The Drivers menu appears.
2. Click the Utilities tab, then click ASUS Update.
3. Follow the onscreen instructions to complete the installation.
Quit all Windows ® applications before you update the BIOS using this utility.
Updating the BIOS
To update the BIOS:
1. From the Windows ® desktop, click Start > Programs > ASUS > ASUSUpdate >
ASUSUpdate to launch the ASUS Update utility.
2. From the dropdown list, select any of the updating process:
Updating from the Internet a. Select Update BIOS from the Internet, then click Next.
b. Select the ASUS FTP site nearest you to avoid network traffic, or click Auto
Select then click Next.
c. From the FTP site, select the BIOS version that you wish to download then click
Next.
ASUS AT3N7A-I 2-1
2-2
The ASUS Update utility is capable of updating itself through the Internet. Always update the utility to avail all its features.
Updating from a BIOS file a. Select Update BIOS from a file, then click Next.
b. Locate the BIOS file from the Open window, then click Open.
3. Follow the onscreen instructions to complete the updating process.
2.1.2 ASUS EZ Flash 2
The ASUS EZ Flash 2 feature allows you to update the BIOS without using an OS-based utility.
Before you start using this utility, download the latest BIOS file from the ASUS website at www.asus.com.
To update the BIOS using EZ Flash 2:
1. Insert the USB flash disk that contains the latest BIOS file to the USB port, then launch
EZ Flash 2 in any of these two ways:
• Press <Alt> + <F2> during POST.
• Enter the BIOS setup program. Go to the Tools menu to select EZ Flash 2 and press <Enter> to enable it.
Press <Tab> to switch between drives until the correct BIOS file is found.
ASUSTek EZ Flash 2 BIOS ROM Utility V3.38
FLASH TYPE: MXIC 25L8005
Current ROM
BOARD: AT3N7A-I
VER: 0210 (H:00 B:05)
DATE: 07/16/2009
Update ROM
BOARD:
VER:
Unknown
Unknown
DATE: Unknown
PATH:
A:
A:\
Note
[Enter] Select or Load [Tab] Switch [V] Drive Info
[Up/Down/Home/End] Move [B] Backup [ESC] Exit
2. When the correct BIOS file is found, EZ Flash 2 performs the BIOS update process and automatically reboots the system when done.
Chapter 2: BIOS information
• This function supports USB flash disks with FAT 32/16 format and single partition only.
• DO NOT shut down or reset the system while updating the BIOS to prevent system boot failure!
2.1.3 ASUS CrashFree BIOS
The ASUS CrashFree BIOS is an auto recovery tool that allows you to restore the BIOS file when it fails or gets corrupted during the updating process. You can restore a corrupted BIOS file using the motherboard support DVD or a removable device that contains the updated
BIOS file.
• The BIOS file in the support DVD may not be the latest version. Download the latest
BIOS file from the ASUS website at www.asus.com.
• The removable devices that ASUS CrashFree BIOS support vary with motherboard models. For motherboards without the floppy connector, prepare a USB flash disk before using this utility.
Recovering the BIOS
To recover the BIOS:
1. Turn on the system.
2. Insert the support DVD to the optical drive or the removable device that contains the
BIOS file to the USB port or to the floppy disk drive, if supported.
3. The utility automatically checks the devices for the BIOS file. When found, the utility reads the BIOS file and starts flashing the corrupted BIOS file.
4. Turn off the system after the utility completes the updating process and turn on again.
DO NOT shut down or reset the system while updating the BIOS! Doing so can cause system boot failure!
Ensure to load the BIOS default settings to ensure system compatibility and stability. Select the Load Setup Defaults item under the Exit menu. Refer to section 2.8 Exit menu for details.
ASUS AT3N7A-I 2-3
2.2 BIOS setup program
Use the BIOS Setup program to update the BIOS or configure its parameters. The BIOS screens include navigation keys and brief online help to guide you in using the BIOS Setup program.
Entering BIOS Setup at startup
To enter BIOS Setup at startup:
• Press <Delete> during the Power-On Self Test (POST). If you do not press <Delete>,
POST continues with its routines.
Entering BIOS Setup after POST
To enter BIOS Setup after POST:
• Press <Ctrl>+<Alt>+<Del> simultaneously.
• Press the reset button on the system chassis.
• Press the power button to turn the system off then back on. Do this option only if you failed to enter BIOS Setup using the first two options.
Using the power button, reset button, or the <Ctrl>+<Alt>+<Del> keys to force reset from a running operating system can cause damage to your data or system. We recommend to always shut down the system properly from the operating system.
• The default BIOS settings for this motherboard apply for most conditions to ensure optimum performance. If the system becomes unstable after changing any BIOS settings, load the default settings to ensure system compatibility and stability. Select the
Load Setups Default item under the Exit Menu. See section 2.8 Exit Menu.
• The BIOS setup screens shown in this section are for reference purposes only, and may not exactly match what you see on your screen.
• Visit the ASUS website at www.asus.com to download the latest BIOS file for this motherboard.
2-4
2.3 Main menu
When you enter the BIOS Setup program, the Main menu screen appears, giving you an overview of the basic system information.
BIOS SETUP UTILITY
Main Advanced Power Boot Tools Exit
System Time
System Date
SATA 1
SATA 2
SATA 3
ESATA
[ 00 :31:48]
[Sat 01/12/2002]
[Not Detected]
[Not Detected]
[Not Detected]
[Not Detected]
Use [ENTER], [TAB] or
[SHIFT-TAB] to select a field.
Use [+] or [-] to configure system time.
Storage Configuration
System Information
Select Screen
Select Item
+- Change Field
Tab Select Field
F1 General Help
F10 Save and Exit
ESC Exit v02.58 (C)Copyright 1985-2009, American Megatrends, Inc.
Chapter 2: BIOS information
2.3.1 System Time [xx:xx:xx]
Allows you to set the system time.
2.3.2 System Date [Day xx/xx/xxxx]
Allows you to set the system date.
2.3.3 SATA 1~3, ESATA
While entering Setup, the BIOS automatically detects the presence of SATA devices. There is a separate sub-menu for each SATA device. Select a device item then press <Enter> to display the SATA device information.
The BIOS automatically detects the values opposite the dimmed items (Device, Vendor, Size,
LBA Mode, Block Mode, PIO Mode, Async DMA, Ultra DMA, and SMART Monitoring). These values are not user-configurable. These items show Not Detected if no Serial ATA device is installed in the system.
Type [Auto]
Selects the type of SATA drive. Setting to Auto allows automatic selection of the appropriate
SATA device type. Select CDROM if you are specifically configuring a CD-ROM drive. Select
ARMD (ATAPI Removable Media Device) if your device is either a ZIP, LS-120, or MO drive.
Configuration options: [Not Installed] [Auto] [CDROM] [ARMD]
LBA/Large Mode [Auto]
Enables or disables the LBA mode. Setting to [Auto] enables the LBA mode if the device supports this mode, and if the device was not previously formatted with LBA mode disabled.
Configuration options: [Disabled] [Auto]
Block (Multi-sector Transfer) M [Auto]
Enables or disables data multi-sectors transfers. When set to [Auto], the data transfer from and to the device occurs multiple sectors at a time if the device supports multi-sector transfer feature. When set to [Disabled], the data transfer from and to the device occurs one sector at a time. Configuration options: [Disabled] [Auto]
PIO Mode [Auto]
Selects the PIO mode. Configuration options: [Auto] [0] [1] [2] [3] [4]
DMA Mode [Auto]
Selects the DMA mode. Configuration options: [Auto]
SMART Monitoring [Auto]
Sets the Smart Monitoring, Analysis, and Reporting Technology.
Configuration options: [Auto] [Disabled] [Enabled]
32Bit Data Transfer [Enabled]
Enables or disables 32-bit data transfer. Configuration options: [Disabled] [Enabled]
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2.3.4 Storage Configuration
The items in this menu allow you to set or change the configurations for the SATA devices installed in the system. Select an item then press <Enter> if you want to configure the item.
OnChip S-ATA Controller [Enabled]
Enables or disables the OnChip SATA controller. Configuration options: [Disabled] [Enabled]
SATA Mode Select [SATA Mode]
This item appears only when you set the OnChip SATA Controller item to [Enabled]. Allows you to set the OnChip SATA mode. Configuration options: [SATA Mode] [RAID Mode] [AHCI
Mode]
Hard Disk Write Protect [Disabled]
Disables or enables device write protection. This will be effective only if device is accessed throuh BIOS. Configuration option: [Disabled] [Enabled]
IDE Detect Time Out (Sec) [5]
Selects the time out value for detecting ATA/ATAPI devices.
Configuration options: [0] [5] [10] [15] [20] [25] [30] [35]
2.3.5 System Information
This menu gives you an overview of the general system specifications. The BIOS automatically detects the items in this menu.
BIOS Information
Displays the auto-detected BIOS information.
Processor
Displays the auto-detected CPU specification.
System Memory
Displays the auto-detected system memory.
2.4 Advanced menu
The Advanced menu items allow you to change the settings for the CPU and other system devices.
Take caution when changing the settings of the Advanced menu items. Incorrect field values can cause the system to malfunction.
BIOS SETUP UTILITY
Main Advanced Power Boot Tools Exit
CPU Configuration
JumperFree Configuration
Chipset
Onboard Devices Configuration
USB Configuration
PCIPnP
Configure CPU.
Chapter 2: BIOS information
2.4.1 CPU Configuration
The items in this menu show the CPU-related information that the BIOS automatically detects.
Max CPUID Value Limit [Disabled]
Allows you to determine whether to limit CPUID maximum value. Set this item to [Disabled] for Windows XP operating system; set this item to [Enabled] for legacy operating system such as Windows NT4.0. Configuration options: [Disabled] [Enabled]
CPU TM function [Enabled]
Enables or disables Intel ® CPU Thermal Monitor (TM) function, a CPU overheating protection function. When enabled, the CPU core frequency and voltage are reduced when the CPU overheats. Configuration options: [Disabled] [Enabled]
Execute-Disable Bit Capability [Enabled]
Allows you to enable or disable the No-Execution Page Protection Technology. Setting this item to [Disabled] forces the XD feature flag to always return to zero (0). Configuration options: [Disabled] [Enabled]
Hyper Threading Technology [Enabled]
Allows you to enable or disable the Intel ®
[Disabled] [Enabled]
Hyper Threading technology. Configuration options:
2.4.2 JumperFree Configuration
The items in this menu allows you to adjust the system frequency/voltage.
System Clock Mode [Auto]
Allows you to select the system clock mode. Configuration options: [Auto] [Linked] [Unlinked]
[Profiled] iGPU OverClock Mode [Auto]
Allows selection of GPU overclocking options to achieve desired GPU frequency.
Configuration options: [Auto] [Manual]
The following two items appear only when you set the iGPU OverClock Mode item to
[Manual].
iGPU OverClock [450]
Allows you to enter an integer value from 450MHz to 999MHz to overclock for GPU.
Configuration options: [Min.=450] [Max.=999]
Shader OverClock [1200]
Allows you to enter an integer value from 1200MHz to 2000MHz to overclock for shader. Configuration options: [Min.=1200] [Max.=2000]
DRAM Over Voltage [Auto]
Manually set memory voltage or set to Auto for safe mode.
Configuration options: [Auto] [1.92V] [2.00V]
Chipset Voltage [Auto]
Sets the chipset voltage. Configuration options: [Auto] [1.0V] [1.05V]
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CPU Vcore Over Voltage Control [Auto]
Sets the CPU Vcore over voltage. Configuration options: [Auto] [+100mV]
Memory Timings [Auto]
Sets the memory timings. Configuration options: [Auto] [Manual]
The following items appear only when you set the Memory Timings item to [Manual].
tCL (CAS Latency) [Auto]
Configuration options: [Auto] [5] [6] [7] tRCD [Auto]
Configuration options: [Auto] [1] [2] [3] [4] [5] [6] [7] tRP [Auto]
Configuration options: [Auto] [1] [2] [3] [4] [5] [6] [7] tRAS [Auto]
Configuration options: [Auto] [1] [2] [3] [4] [5] [6] [7] [8]
Command Per Clock (CMD) [Auto]
Configuration options: [Auto] [1T] [2T] tRRD [Auto]
Configuration options: [Auto] [1] [2] [3] [4] [5] [6] [7] [8] tRC [Auto]
Configuration options: [Auto] [1] [2] [3] [4] [5] [6] [7] [8] tWR [Auto]
Configuration options: [Auto] [2] [3] [4] [5] [6] tWTR [Auto]
Configuration options: [Auto] [1] [2] [3] [4] [5] [6] [7] [8]
Burst Length [Auto]
Configuration options: [Auto] [4]
2.4.3 Chipset
The Chipset menu allows you to change the advanced chipset settings. Select an item then press <Enter> to display the sub-menu.
ION Configuration
Primary Graphics Adapter [Internal VGA First]
Allows you to set the primary graphics adapter. Configuration options: [PCI VGA Card First]
[Internal VGA First] iGPU Frame Buffer Detect [Auto]
Allows you to disable the iGPU frame buffer detect or set it to Auto for safe mode.
Configuration options: [Auto] [Disabled] iGPU Frame Buffer Size [Auto]
This item becomes user-configurable only when you set the iGPU Frame Buffer Detect item to [Disabled]. Allows you to select the iGPU frame buffer size. Configuration options: [32MB]
[64MB] [128MB] [256MB] [512MB] [Disabled]
Chapter 2: BIOS information
2.4.4 Onboard Devices Configuration
AZALIA AUDIO [Auto]
Allows you to set the Azalia audio.
Configuration options: [Auto] [Disabled]
Front Panel Select [HD Audio]
Allows you to select the front panel type. If High Definition Audio Front Panel used, please set
HD Audio mode. Configuration options: [AC97] [HD Audio]
Onboard Gigabit LAN [Enabled]
Allows you to enable or disable the onboard LAN controller.
Configuration options: [Enabled] [Disabled]
LAN Option ROM [Disabled]
Allows you to enable or disable the boot ROM in the onboard LAN controller. This item appears only when the Onboard LAN item is set to Enabled. Configuration options:
[Disabled] [Enabled]
Onboard Bluetooth [Enabled]
Allows you to enable or disable the onboard Bluetooth controller.
Configuration options: [Enabled] [Disabled]
2.4.5 USB Configuration
The items in this menu allows you to change the USB-related features. Select an item then press <Enter> to display the configuration options.
The Module Version and USB Devices Enabled items show the auto-detected values. If no
USB device is detected, the item shows None.
USB Functions [Enabled]
Allows you to disable or enable the USB functions.
Configuration options: [Disabled] [Enabled]
USB 2.0 Controller [Enabled]
Allows you to enable or disable USB 2.0 controller.
Configuration options: [Enabled] [Disabled]
Legacy USB Support [Auto]
Allows you to enable or disable support for Legacy USB storage devices, including USB flash drives and USB hard drives. Setting to [Auto] allows the system to detect the presence of
USB devices at startup. If detected, the USB controller legacy mode is enabled. If no USB device is detected, the legacy USB support is disabled.
Configuration options: [Disabled] [Enabled] [Auto]
USB 2.0 Controller Mode [HiSpeed]
Allows you to configure the USB 2.0 controller in HiSpeed (480Mbps) or Full Speed
(12Mbps). Configuration options: [FullSpeed] [HiSpeed]
ASUS AT3N7A-I 2-9
The following items may only appear when a USB storage device is plugged.
USB Mass Storage Device Configuration
USB Mass Storage Reset Delay [20 Sec]
Allows you to set the maximum time that the BIOS waits for the USB storage device to initialize. Configuration options: [10 Sec] [20 Sec] [30 Sec] [40 Sec]
Emulation Type [Auto]
Allows you to select the emulation type. Configuration options: [Auto] [Floppy] [Forced
FDD] [Hard Disk] [CDROM]
2.4.6 PCI PnP
The PCI PnP menu items allow you to change the advanced settings for PCI/PnP devices.
The menu includes setting IRQ and DMA channel resources for either PCI/PnP or legacy ISA devices, and setting the memory size block for legacy ISA devices.
Take caution when changing the settings of the PCI PnP menu items. Incorrect field values can cause the system to malfunction.
Plug and Play O/S [No]
When set to [No], BIOS configures all the devices in the system. When set to [Yes] and if you install a Plug and Play operating system, the operating system configures the Plug and Play devices not required for boot. Configuration options: [No] [Yes]
2.5 Power menu
The Power menu items allow you to change the settings for the Advanced Power
Management (APM). Select an item then press <Enter> to display the configuration options.
BIOS SETUP UTILITY
Main Advanced Power Boot Tools Exit
Suspend Mode [Auto]
ACPI 2.0 Support
ACPI APIC Support
[Disabled]
[Enabled]
APM Configuration
Hardware Monitor
Select the ACPI state used for System
Suspend.
2-10
2.5.1 Suspend Mode [Auto]
Allows you to select the Advanced Configuration and Power Interface (ACPI) state to be used for system suspend. Configuration options: [S1 (POS) Only] [S3 Only] [Auto]
[S1(POS) Only] - Enables the system to enter the ACPI S1 (Power on Suspend) sleep state. In S1 sleep state, the system appears suspended and stays in a low power mode. The system can be resumed at any time.
[S3 Only] - Enables the system to enter the ACPI S3 (Suspend to RAM) sleep state
(default). In S3 sleep state, the system appears to be off and consumes less power than in the S1 state. When signaled by a wake-up device or event, the system resumes to its working state exactly where it was left off.
[Auto] - Detected by OS.
Chapter 2: BIOS information
2.5.2 ACPI 2.0 Support [Disabled]
Allows you to add more tables for Advanced Configuration and Power Interface (ACPI) 2.0 specifications. Configuration options: [Disabled] [Enabled]
2.5.3 ACPI APIC Support [Enabled]
Allows you to enable or disable the Advanced Configuration and Power Interface (ACPI) support in the Application-Specific Integrated Circuit (ASIC). When set to Enabled, the ACPI
APIC table pointer is included in the RSDT pointer list.
Configuration options: [Disabled] [Enabled]
2.5.4 APM Configuration
Restore on AC Power Loss [Power Off]
When set to [Power Off], the system goes into off state after an AC power loss. When set to [Power On], the system goes on after an AC power loss. When set to [Last State], the system goes into either off or on state, whatever the system state was before the AC power loss. Configuration options: [Power Off] [Power On] [Last State]
Power On By PCI(E) Device [Disabled]
Allows you to enable or disable PME to generate a wake event. This feature requires an ATX power supply that provides at least 1A on the +5VSB lead. Configuration options: [Disabled]
[Enabled]
Power On By PS/2 [Disabled]
When set to [Enabled], this parameter allows you to use the PS/2 keyboard/mouse to turn on the system. This feature requires an ATX power supply that provides at least 1A on the
+5VSB lead. Configuration options: [Disabled] [Enabled]
Power On By RTC Alarm [Disabled]
Allows you to enable or disable RTC to generate a wake event. When this item is set to
Enabled, the items RTC Alarm Date, RTC Alarm Hour, RTC Alarm Minute, and RTC Alarm
Second appear with set values. Configuration options: [Disabled] [Enabled]
2.5.5 Hardware Monitor
CPU Temperature [xxxºC/xxxºF] or [Ignored]
The onboard hardware monitor automatically detects and displays the CPU temperature.
Select Ignored if you do not wish to display the detected temperatures.
CPU/Chassis/Power Fan Speed [xxxxRPM] or [Ignored]
The onboard hardware monitor automatically detects and displays the CPU/chassis/power fan speeds in rotations per minute (RPM). If the fan is not connected to the motherboard, the field shows N/A. Select Ignored if you do not wish to display the detected speed.
VCORE Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage [xxxV] or [Ignored]
The onboard hardware monitor automatically detects the voltage output through the onboard voltage regulators.
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2.6 Boot menu
The Boot menu items allow you to change the system boot options. Select an item then press <Enter> to display the sub-menu.
BIOS SETUP UTILITY
Main Advanced Power Boot Tools Exit
Boot Settings
Boot Device Priority
Boot Settings Configuration
Security
Specifies the Boot
Device Priority sequence.
A virtual floppy disk drive (Floppy Drive B:) may appear when you set the CD-ROM drive as the first boot device.
2.6.1 Boot Device Priority
1st ~ xxth Boot Device
These items specify the boot device priority sequence from the available devices. The number of device items that appears on the screen depends on the number of devices installed in the system. Configuration options: [Removable Dev.] [Hard Drive]
[ATAPI CD-ROM] [Disabled]
• To select the boot device during system startup, press <F8> when ASUS Logo appears.
• To access Windows
•
•
® OS in Safe Mode, do any of the following:
Press <F5> when ASUS Logo appears.
Press <F8> after POST.
2.6.2 Boot Settings Configuration
Quick Boot [Enabled]
Enabling this item allows the BIOS to skip some power on self tests (POST) while booting to decrease the time needed to boot the system. When set to [Disabled], BIOS performs all the
POST items. Configuration options: [Disabled] [Enabled]
Full Screen Logo [Enabled]
This allows you to enable or disable the full screen logo display feature. Configuration options: [Disabled] [Enabled]
Set this item to [Enabled] to use the ASUS MyLogo2 ™ feature.
AddOn ROM Display Mode [Force BIOS]
Sets the display mode for option ROM. Configuration options: [Force BIOS] [Keep Current]
Bootup Num-Lock [On]
Allows you to select the power-on state for the NumLock. Configuration options: [Off] [On]
Chapter 2: BIOS information
Wait For ‘F1’ If Error [Enabled]
When set to Enabled, the system waits for the F1 key to be pressed when error occurs.
Configuration options: [Disabled] [Enabled]
Hit ‘DEL’ Message Display [Enabled]
When set to [Enabled], the system displays the message Press DEL to run Setup during
POST. Configuration options: [Disabled] [Enabled]
2.6.3 Security
The Security menu items allow you to change the system security settings. Select an item then press <Enter> to display the configuration options.
Change Supervisor Password
Select this item to set or change the supervisor password. The Supervisor Password item on top of the screen shows the default Not Installed. After you set a password, this item shows Installed.
To set a Supervisor Password:
1. Select the Change Supervisor Password item and press <Enter>.
2. In the password box, key in a password containing up to six letters or numbers, or both, then press <Enter>.
3. Confirm the password when prompted.
The message Password Installed appears after you successfully set your password.
To change the supervisor password, follow the same steps in setting a supervisor password.
To clear the supervisor password, select the Change Supervisor Password then press
<Enter> twice. The message Password uninstalled appears.
If you forget your BIOS password, you can clear it by erasing the CMOS Real Time Clock
(RTC) RAM. See section 1.6 Jumpers for information on how to erase the RTC RAM.
After you have set a supervisor password, the other items appear to allow you to change other security settings.
User Access Level [Full Access]
This item allows you to select the access restriction to the Setup items.
Configuration options: [No Access] [View Only] [Limited] [Full Access]
[No Access] - prevents user access to the Setup utility.
[View Only] - allows access but does not allow change to any field.
[Limited] - allows changes only to selected fields, such as Date and Time.
[Full Access] - allows viewing and changing all the fields in the Setup utility.
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Change User Password
Select this item to set or change the user password. The User Password item on top of the screen shows the default Not Installed. After you set a password, this item shows Installed.
To set a User Password:
1. Select the Change User Password item and press <Enter>.
2. In the password box, key in a password containing up to six letters or numbers, or both, then press <Enter>.
3. Confirm the password when prompted.
The message Password Installed appears after you set your password successfully.
To change the user password, follow the same steps in setting a user password.
Clear User Password
Select this item to clear the user password.
Password Check [Setup]
When set to [Setup], BIOS checks for user password when accessing the Setup utility. When set to [Always], BIOS checks for user password both when accessing Setup and booting the system. Configuration options: [Setup] [Always]
2.7 Tools menu
The Tools menu items allow you to configure options for special functions. Select an item then press <Enter> to display the sub-menu.
ASUS EZ Flash 2
Express Gate
Enter OS Timer
Reset User Data
AI NET2
[Auto]
[10 Seconds]
[No]
Press ENTER to run the utility to select and update BIOS.
This utility supports
1.FAT 12/16/32(r/w)
2.NTFS(read only)
3.CD-DISC(read only)
2.7.1 ASUS EZ Flash 2
Allows you to run ASUS EZ Flash 2. When you press <Enter>, a confirmation message appears. Use the left/right arrow key to select between [Yes] or [No], then press <Enter> to confirm your choice. See section 2.1.2 ASUS EZ Flash 2 for details.
Chapter 2: BIOS information
2.7.2 Express Gate [Auto]
Allows you to enable or disable the ASUS Express Gate feature. ASUS Express Gate is a unique instant-on environment that provides quick access to the Internet and Skype.
Configuration options: [Enabled] [Disabled] [Auto]
Enter OS Timer [10 Seconds]
Sets countdown duration that the system waits at the Express Gate’s first screen before starting Windows or other installed OS. Choose [Prompt User] to stay at the first screen of Express Gate for user action. Configuration options: [Prompt User]
[1 second] [3 seconds] [5 seconds] [10 seconds] [15 seconds] [20 seconds]
[30 seconds]
Reset User Data [No]
Allows you to clear Express Gate’s user data. Configuration options: [No] [Reset]
When setting this item to [Reset], ensure to save the setting to the BIOS so that the user data will be cleared the next time you enter the Express Gate. User data includes the Express Gate’s settings as well as any personal information stored by the web browser (bookmarks, cookies, browsing history, etc.). This is useful in the rare case where corrupt settings prevent the Express Gate environment from launching properly.
The first time wizard will run again when you enter the Express Gate environment after clearing its settings.
2.7.3 AI NET 2
Check Realtek LAN cable [Disabled]
Enables or disables checking of the Realtek LAN cable during the Power-On Self-Test
(POST). Configuration options: [Disabled] [Enabled]
2.8 Exit menu
The Exit menu items allow you to load the optimal or failsafe default values for the BIOS items, and save or discard your changes to the BIOS items.
BIOS SETUP UTILITY
Main Advanced Power Boot Tools Exit
Exit Options
Exit & Save Changes
Exit & Discard Changes
Discard Changes
Load Setup Defaults
Exit system setup after saving the changes.
F10 key can be used for this operation.
Pressing <Esc> does not immediately exit this menu. Select one of the options from this menu or <F10> from the legend bar to exit.
Select Screen
Select Item
Enter Go to Sub-screen
F1 General Help
F10 Save and Exit
ESC Exit
ASUS AT3N7A-I 2-15
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