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M4N75TD
ii
E5353
First Edition V1
February 2010
Copyright © 2010 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
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DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL,
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SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR
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This product may contain copyrighted software that is licensed under the General Public License (“GPL”) and under the Lesser General Public License Version (“LGPL”). The GPL and LGPL licensed code in this product is distributed without any warranty. Copies of these licenses are included in this product.
You may obtain the complete corresponding source code (as defined in the GPL) for the GPL Software, and/or the complete corresponding source code of the LGPL Software (with the complete machinereadable “work that uses the Library”) for a period of three years after our last shipment of the product including the GPL Software and/or LGPL Software, which will be no earlier than December 1, 2011, either
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, stating the product and describing the problem (please do NOT send large attachments such as source code archives etc to this email address).
Contents
M4N75TD specifications summary ........................................................... ix
Chapter 1 Product introduction
1.2 Package contents ......................................................................... 1-1
1.3.1 Product highlights ........................................................... 1-1
1.3.2 ASUS Unique Features ................................................... 1-2
1.4 Before you proceed ..................................................................... 1-4
1.5 Motherboard overview ................................................................. 1-4
1.5.1 Placement direction ........................................................ 1-4
1.5.2 Screw holes .................................................................... 1-4
1.5.3 Motherboard layout ......................................................... 1-5
1.5.4 Layout contents ............................................................... 1-5
1.6 Central Processing Unit (CPU) ................................................... 1-6
1.6.1 Installing the CPU ........................................................... 1-6
1.6.2 Installing the heatsink and fan ........................................ 1-7
1.7 System memory ........................................................................... 1-9
1.7.1 Overview ......................................................................... 1-9
1.7.2 Memory configurations .................................................... 1-9
1.7.3 Installing a DIMM .......................................................... 1-14
1.7.4 Removing a DIMM ........................................................ 1-14
1.8 Expansion slots .......................................................................... 1-15
1.8.1 Installing an expansion card ......................................... 1-15
1.8.2 Configuring an expansion card ..................................... 1-15
1.8.3 PCI slots ........................................................................ 1-15
1.8.4 PCI Express 2.0 x1 slots ............................................... 1-15
1.8.5 PCI Express 2.0 x16 slots ............................................. 1-15
1.10 Onboard switches ...................................................................... 1-18
1.11 Onboard LEDs ............................................................................ 1-19
iii
iv
Contents
1.12.1 Rear panel connectors .................................................. 1-21
1.12.2 Internal connectors ....................................................... 1-23
1.13 Software support ........................................................................ 1-31
1.13.1 Installing an operating system ...................................... 1-31
1.13.2 Support DVD information .............................................. 1-31
1.14 NVIDIA ® SLI™ technology support ........................................... 1-32
1.14.1 NVIDIA ® SLI™ technology ............................................ 1-32
1.14.2 NVIDIA ® Hybrid SLI™ technology ................................ 1-36
Chapter 2
2.1 Knowing BIOS .............................................................................. 2-1
2.2 Updating BIOS .............................................................................. 2-1
2.2.1 ASUS Update utility ........................................................ 2-2
2.2.2 ASUS EZ Flash 2 utility ................................................... 2-3
2.2.3 ASUS CrashFree BIOS 3 utility ...................................... 2-4
2.3 BIOS setup program .................................................................... 2-5
2.3.1 BIOS menu screen .......................................................... 2-6
2.3.2 Menu bar ......................................................................... 2-6
2.3.3 Navigation keys ............................................................... 2-7
2.3.4 Menu items ..................................................................... 2-7
2.3.5 Submenu items ............................................................... 2-7
2.3.6 Configuration fields ......................................................... 2-7
2.3.7 General help ................................................................... 2-7
2.3.8 Pop-up window ............................................................... 2-7
2.3.9 Scroll bar ......................................................................... 2-7
2.4.1 System Time ................................................................... 2-8
2.4.2 System Date ................................................................... 2-8
2.4.3 Language ........................................................................ 2-8
2.4.4 Primary IDE Master/Slave ............................................... 2-8
2.4.5 SATA 1–4 ........................................................................ 2-9
2.4.6 Storage Configuration ................................................... 2-10
2.4.7 System Information ....................................................... 2-10
2.5 Ai Tweaker menu ........................................................................ 2-11
2.5.1 Ai Overclock Tuner .........................................................2-11
2.5.2 CPU Ratio ......................................................................2-11
Contents
2.5.3 DRAM Frequency ......................................................... 2-12
2.5.4 CPU/NB Frequency ...................................................... 2-12
2.5.5 HT Link Speed .............................................................. 2-12
2.5.6 DRAM Timing Configuration ......................................... 2-12
2.5.7 DRAM Driving Configuration ......................................... 2-13
2.5.8 Processor Voltage ......................................................... 2-13
2.5.9 CPU/NB Voltage ........................................................... 2-14
2.5.10 CPU VDDA Voltage ....................................................... 2-14
2.5.11 DRAM Voltage .............................................................. 2-14
2.5.12 HT Voltage .................................................................... 2-14
2.5.13 NB Voltage .................................................................... 2-14
2.5.14 CPU/LDT Spread Spectrum .......................................... 2-14
2.5.15 PCIE Spread Spectrum ................................................. 2-14
2.5.16 SATA Spread Spectrum ................................................ 2-14
2.5.17 PCI Spread Spectrum ................................................... 2-14
2.6 Advanced menu ......................................................................... 2-15
2.6.1 CPU Configuration ........................................................ 2-15
2.6.2 Chipset .......................................................................... 2-16
2.6.3 Onboard Devices Configuration .................................... 2-17
2.6.4 PCIPnP ......................................................................... 2-17
2.6.5 USB Configuration ........................................................ 2-18
2.7 Power menu ................................................................................ 2-19
2.7.1 Suspend Mode .............................................................. 2-19
2.7.2 ACPI 2.0 Support .......................................................... 2-19
2.7.3 ACPI APIC support ....................................................... 2-19
2.7.4 Hardware Monitor ......................................................... 2-19
2.8.1 Boot Device Priority ...................................................... 2-21
2.8.2 Boot Settings Configuration .......................................... 2-21
2.8.3 Security ......................................................................... 2-22
2.9.1 ASUS EZ Flash 2 .......................................................... 2-23
2.9.2 Express Gate ................................................................ 2-23
2.9.3 ASUS O.C. Profile ......................................................... 2-24
2.9.4 AI NET 2........................................................................ 2-24
Notices
Federal Communications Commission Statement
• This device may not cause harmful interference, and
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Consult the dealer or an experienced radio/TV technician for help.
Canadian Department of Communications Statement
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.
Safety information
Electrical safety
Operation safety
• Place the product on a stable surface.
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.
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
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.
Typography
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
M4N75TD specifications summary
AMD ® Socket AM3; Phenom™ II / Athlon™ II /
Sempron™ 100 Series Processors
Supports NVIDIA Clock Calibration (NVCC) function
Up to 5200 MT/s HyperTransport™ 3.0
4 x DIMM, max. 16 GB, DDR3 2000(O.C.) / 1333 / 1066 MHz
ECC / non-ECC, un-buffered memory
Dual-channel memory architecture
* When you install a total memory of 4 GB capacity or more,
** Refer to www.asus.com or this user manual for the
Memory QVL (Qualified Vendors Lists)
Supports NVIDIA ® SLI™ Technology at x8 link
Supports Hybrid SLI ® Technology
2 x PCIe 2.0 x16 slots (dual at x8 mode)
NVIDIA nForce ® 750a SLI ® chipset
- 6 x SATA 3.0 Gb/s ports (Legacy IDE operation is only
NVIDIA ® MediaShield™ RAID supports RAID 0, 1, 0+1,
Broadcom ® B5071 Gigabit LAN controller featuring AI NET 2
VIA ® VT1708S 8-channel High Definition Audio CODEC
- Supports Jack-Detection, Multi-Streaming,
and Front Panel Jack-Retasking
- Optical S/PDIF Out port at back I/O
VIA ® VT6308P controller supports 2 x IEEE 1394a ports
12 x USB 2.0 ports (6 ports at midboard; 6 ports at back
(continued on the next page) ix
M4N75TD specifications summary
- Fanless Design: stylish heatsink solution
Intelligent overclocking tools
- vDIMM: 16-step DRAM voltage control
- vCore: Adjustable CPU voltage at 0.0125V increment
- vChipset (N.B.): 4-step voltage control
SFS (Stepless Frequency Selection):
- FSB tuning from 200MHz up to 600MHz at 1MHz
- Memory tuning from 1066MHz up to 2000MHz
- PCIe frequency tuning from 100MHz to 200MHz
- ASUS C.P.R. (CPU Parameter Recall)
1 x PS/2 keyboard port (purple)
M4N75TD specifications summary
3 x USB connectors support additional 6 USB ports
2 x Chassis Fan connectors (1 x 4-pin, 1 x 3-pin)
8 Mb Flash ROM, AMI BIOS, PnP, DMI 2.0, WfM2.0,
SM BIOS 2.5, ACPI 2.0, ASUS EZ Flash 2,
Anti-virus software (OEM version)
ATX form factor: 12 in x 9.6 in (30.5 cm x 24.4 cm)
* Specifications are subject to change without notice. xi
Chapter 1
Product introduction
1.1 Welcome!
Thank you for buying an ASUS ® M4N75TD motherboard!
The motherboard delivers a host of new features and latest technologies, making it another standout in the long line of ASUS quality motherboards!
Before you start installing the motherboard, and hardware devices on it, check the items in your package with the list below.
1.2 Package contents
Check your motherboard package for the following items.
Motherboard
Cables
Accessories
Application DVD
Documentations
ASUS M4N75TD motherboard
1 x Ultra DMA 133/100/66 cable
2 x Serial ATA cables
1 x SLI bridge cable
1 x I/O shield
ASUS motherboard support DVD
User manual
If any of the above items is damaged or missing, contact your retailer.
1.3 Special features
1.3.1 Product highlights
AMD ® Socket AM3; Phenom™ II / Athlon™ II / Sempron™ 100
Series Processors
This motherboard supports AMD ® AM3 multi-core processors with unique
L3 cache and delivers better overclocking capabilities with less power consumption. It features dual-channel DDR3 1333 memory support and accelerates data transfer rate up to 5200MT/s via HyperTransort™ 3.0 based system bus. This motherboard also supports AMD ® CPUs in the new 45nm manufacturing process.
Chapter 1: Product introduction 1-1
1-2
NVIDIA nForce ® 750a SLI ®
NVIDIA nForce ® 750a SLI support the NVIDIA ®
® media and communication processors
(MCPs) are the foundation for the world’s ultimate gaming PC. The MCPs
Scalable Link Interface (SLI) technology that allows two graphics processing units (GPUs) in a single system. The NVIDIA nFORCE ® 750a SLI ® chipset also supports six (6) Serial ATA 3 Gb/s devices, PCI Express x16 slots with NVIDIA mode, and up to 12 USB 2.0 ports.
® SLI™ support at dual x8
DDR3 2000(O.C.) support
This motherboard supports DDR3 2000(O.C,), which provides faster data transfer rate and more bandwidth to increase memory data transfer rate and computing efficiency. This enhances system performance in 3D graphics and other memory demanding applications.
1.3.2 ASUS Unique Features
ASUS Express Gate
Express Gate is an ASUS exclusive OS that provides you with quick access to the Internet and key applications before entering the Windows ® OS.
ASUS Exclusive Features
1 2
Core Unlocker
ASUS Core Unlocker simplifies the activation of a latent AMD ® CPU—with just a simple switch or hot key. Enjoy an instant performance boost by simply unlocking the extra cores, without performing complicated BIOS changes.
MemOK!
Memory compatibility is among the top concerns during computer upgrades. Worry no more. MemOK! is the fastest memory booting solution today. This remarkable memory rescue tool requires nothing but a push of a button to patch memory issues and get your system up and running in no time. The technology is able to determine failsafe settings that can dramatically improve your system booting success.
ASUS Power Solutions
8+1 Phase Power Design
To fully unleash the latest generation AM3 CPU’s potential, ASUS
M4N75TD motherboard has adopted the brand-new 8-phase VRM power design, which delivers high power efficiency and supreme overclocking ability. This series’ high quality power components effective lowers system temperature to ensure longer component lifespan. ASUS M4N75TD also features an extra 1-phase power for integrated memory/HT controller to provide independent power to vital components.
ASUS M4N75TD
100% Long-Life Solid Cap.
This motherboard uses all long-life capacittors onboard for durability, imporved lifespan, and enhanced thermal capacity.
ASUS EPU
The ASUS EPU (Energy Processing Unit) provides total system power management by detecting current PC loadings and intelligently moderating power usage for critical PC components in real-time–helping save power and money!
ASUS Quiet Thermal Solutions
Fanless Design: stylish heatsink solution
The streamline-shaped heatsink features 0-dB thermal solution that offers users a noiseless PC environment. Not only the beautifully curved fins upgrade the visual enjoyment for motherboard users, but also the special thickened bottom design effectively cools down hot airflows generated by the north bridge chipset. Combined with usability and aesthetics, the
ASUS streamline-shaped heatsink will give users an extremely silent and cooling experience with the elegant appearance!
Up to 20ºC (36ºF) Cooler—Stack Cool 3
Stack Cool 3 is a fanless cooling solution offered exclusively by ASUS.
It effectively and noiselessly transfers heat generated by the critical components to the other side of the specially designed PCB (printed circuit board) for effective heat dissipation—making temperatures cooler by up to 20ºC.
ASUS Intelligent Overclocking Tools
TurboV
Feel the adrenaline rush of real-time O.C.—now a reality with the ASUS
TurboV. This easy O.C. tool allows you to overclock without exiting or rebooting the OS: and its user-friendly interface makes overclock with just a few clicks away. More, the ASUS OC Profiles in TurboV provides the best O.C. settings in different scenarios.
Turbo Key
ASUS Turbo Key allows you to turn the PC power button into a physical overclocking button. After the easy setup, Turbo Key boosts performances without interrupting ongoing work or games, simply through pressing the button.
Chapter 1: Product introduction 1-3
1-4
1.4 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.
1.5 Motherboard overview
1.5.1 Placement direction
When installing the motherboard, ensure that you place it into the chassis in the correct orientation. The edge with external ports goes to the rear part of the chassis as indicated in the image below.
1.5.2 Screw holes
Place nine (9) 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.
Place this side towards the rear of the chassis.
ASUS M4N75TD
1.5.3 Motherboard layout
1.5.4 Layout contents
14.
15.
16.
17.
5.
6.
7.
8.
9.
10.
11.
12.
13.
Connectors/Jumpers/Slots
1. ATX power connectors (24-pin EATXPWR, 8-pin EATX12V)
2.
3.
4.
CPU socket AM3
CPU, Chassis and Power Fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN1,
3-pin CHA_FAN2, 3-pin PWR_FAN)
DDR3 DIMM slots
MemOK! switch
Serial ATA connectors (7-pin SATA1-6)
IDE connector (40-1 pin PRI_IDE)
Standby power LED (SB_PWR)
Clear RTC RAM (CLRTC)
System panel connector (20-8 pin PANEL)
CPU overvoltage setting (3-1 pin OV_CPU)
USB connectors (10-1 pin USB78, USB910, USB1112)
Serial port connector (10-1 pin COM1)
Core Unlocker switch (CORE_UNLOCKER)
IEEE 1394a connector (10-1 pin IE1394_2)
Digital audio connector (4-1 pin SPDIF_OUT)
Front panel audio connector (10-1 pin AAFP)
Chapter 1: Product introduction
1-19
1-30
1-28
1-29
1-27
1-17
1-28
1-29
1-9
1-18
1-25
1-23
1-19
1-16
Page
1-24
1-6
1-26
1-5
1.6 Central Processing Unit (CPU)
The motherboard comes with an AM3 socket designed for AMD ®
Sempron™ 100 Series Processors.
Phenom™ II / Athlon™ II /
The CPU socket is not compatible with AMD ®
Opteron™ processor on this motherboard.
Opteron™ processors. Do not install an
1.6.1 Installing the CPU
To install a CPU:
1. Locate the CPU socket on the motherboard.
2. Press the lever sideways to unlock the socket, then lift it up to a
90°–100° angle.
Socket lever
1-6
Ensure that the socket lever is lifted up to 90°–100° angle, otherwise the CPU will not fit in completely.
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 insert the CPU into the socket until it fits in place.
The CPU fits only in one correct orientation. DO NOT force the CPU into the socket to prevent bending the pins and damaging the CPU!
Small triangle
Gold triangle
ASUS M4N75TD
5. When the CPU is in place, push down the socket lever to secure the CPU. The lever clicks on the side tab to indicate that it is locked.
6. Install a CPU heatsink and fan following the instructions that came with the heatsink package.
You can also refer to section 1.6.2 Installing the heatsink and fan for instructions.
7. Connect the CPU fan cable to the CPU_FAN connector on the motherboard.
1.6.2
Do not forget to connect the CPU fan connector! Hardware monitoring errors can occur if you fail to plug this connector.
Installing the heatsink and fan
Ensure that you use only AMD-certified heatsink and fan assembly.
To install the CPU heatsink and fan:
1. Place the heatsink on top of the installed CPU, making sure that the heatsink fits properly on the retention module base.
• The retention module base is already installed on the motherboard upon purchase.
• You do not have to remove the retention module base when installing the CPU or installing other motherboard components.
• If you purchased a separate CPU heatsink and fan assembly, ensure that a Thermal
Interface Material is properly applied to the CPU heatsink or CPU before you install the heatsink and fan assembly.
CPU Fan
CPU Heatsink
Retention bracket
Retention Module Base
Retention bracket lock
Chapter 1: Product introduction 1-7
1-8
Your boxed CPU heatsink and fan assembly should come with installation instructions for the CPU, heatsink, and the retention mechanism. If the instructions in this section do not match the CPU documentation, follow the latter.
2. Attach one end of the retention bracket to the retention module base.
1
2
3
4
5
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 that the fan and heatsink assembly perfectly fits the retention mechanism module base, otherwise you cannot snap the retention bracket in place.
4. Push down the retention bracket lock on the retention mechanism to secure the heatsink and fan to the module base.
5. When the fan and heatsink assembly is in place, connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN.
Do not forget to connect the CPU fan connector! Hardware monitoring errors can occur if you fail to plug this connector.
ASUS M4N75TD
1.7 System memory
1.7.1 Overview
The motherboard comes with four Double Data Rate 3 (DDR3) Dual Inline Memory Modules
(DIMM) sockets. A DDR3 module has the same physical dimensions as a DDR2 DIMM but is notched differently to prevent installation on a DDR2 DIMM socket. DDR3 modules are developed for better performance with less power consumption. The figure illustrates the location of the DDR3 DIMM sockets:
Channel
Channel A
Channel B
Sockets
DIMM_A1 and DIMM_B1
DIMM_A2 and DIMM_B2
1.7.2 Memory configurations
You may install 1GB, 2GB and 4GB unbuffered ECC/non-ECC DDR3 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 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.
• 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 install a 64-bit
Windows OS when having 4GB or more memory installed on the motherboard.
• This motherboard does not support DIMMs made up of 512Mb (64MB) chips or less
(Memory chip capacity counts in Megabit, 8 Megabit/Mb = 1 Megabyte/MB).
• The default memory operation frequency is dependent on its Serial Presence Detect
(SPD), which is the standard way of accessing information from a memory module.
Under the default state, some memory modules for overclocking may operate at a lower frequency than the vendor-marked value. To operate at the vendor-marked or at a higher frequency, refer to section 2.4 Ai Tweaker menu for manual memory frequency adjustment.
• For system stability, use a more efficient memory cooling system to support a full memory load (4 DIMMs) or overclocking condition.
Chapter 1: Product introduction 1-9
1-10
Vendor Part No.
CORSAIR
CORSAIR
CORSAIR
CORSAIR
CORSAIR
Crucial
Crucial
G.SKILL
G.SKILL
G.SKILL
G.SKILL
G.SKILL
G.SKILL
G.SKILL
KINGMAX
KINGMAX
A-DATA
A-DATA
A-DATA
A-DATA
A-DATA
A-DATA
A-DATA
A-DATA
A-DATA
A-DATA
CORSAIR
CORSAIR
CORSAIR
CORSAIR
CORSAIR
CORSAIR
AX3U1600PB1G8-2P
AD31600E001GMU
AX3U1600PB1G8-3P
AX3U1600GB2G9-AG(XMP)
AX3U1600XB2G7-EF(XMP)
AD31600F002GMU(XMP)
AX3U1600GB2G9-3G(XMP)
AX3U1600GB2G9-3G(XMP)
AX3U1600GB2G9-3G
AX3U1600XB2G7-FF(XMP)
TR3X3G1600C8D
TR3X3G1600C8DVer2.1(XMP)
TR3X3G1600C9Ver1.1(XMP)
CMD4GX3M2A1600C8(XMP)
CMG4GX3M2A1600C7(XMP)
CMX4GX3M2A1600C9(XMP)
TR3X6G1600C8D
TR3X6G1600C8DVer2.1(XMP)
TR3X6G1600C9Ver2.1(XMP)
CMD8GX3M4A1600C8(XMP)
CMX8GX3M4A1600C9(XMP)
BL12864BA1608.8SFB(XMP)
BL25664BN1608.16FF(XMP)
F3-12800CL9D-2GBNQ
F3-12800CL9D-4GBRL
F3-12800CL7D-4GBRH(XMP)
F3-12800CL8D-4GBRM(XMP)
F3-12800CL9D-4GBECO(XMP)
F3-12800CL8T-6GBPI(XMP)
F3-12800CL9T-6GBNQ
FLGD45F-B8MF7(XMP)
FLGE85F-B8MF7(XMP)
KINGSTON KHX1600C9D3K3/12GX(XMP)
KINGSTON KHX1600C9D3K3/12GX(XMP)
KINGSTON KHX1600C8D3K2/4GX(XMP)
KINGSTON KHX1600C8D3K2/4GX(XMP)
KINGSTON KHX1600C8D3T1K2/4GX(XMP)
KINGSTON KHX1600C9D3K2/4G
KINGSTON KHX1600C9D3K3/6GX(XMP)
OCZ
OCZ
OCZ
OCZ
OCZ
OCZ3OB1600LV4GK
OCZ3P1600LV4GK
OCZ3X16004GK(XMP)
OCZ3G1600LV6GK
OCZ
OCZ3X1600LV6GK(XMP)
OCZ3X1600LV6GK(XMP)
Super Talent WP160UX4G8(XMP)
Super Talent WP160UX4G9(XMP)
Super Talent WB160UX6G8(XMP)
Super Talent WB160UX6G8(XMP)
Cell Shock CS322271
EK Memory EKM324L28BP8-I16(XMP)
Elixir
Mushkin
Mushkin
Patriot
PATRIOT
Patriot
Patriot
Patriot
Patriot
Patriot
Patriot
Team
M2Y2G64CB8HA9N-DG(XMP)
996657
998659(XMP)
PVT33G1600ELK
PGS34G1600LLKA
PVS34G1600ELK
PVS34G1600LLK(XMP)
PVS34G1600LLKN
PVT36G1600ELK
PVT36G1600ELK
PVT36G1600LLK(XMP)
(TXD32048M1600HC6-L)(XMP)
M4N75TD Motherboard Qualified Vendors Lists (QVL)
DDR3-1600MHz capability
2GB(2 x 1GB) SS -
4GB(2 x 2GB) DS -
4GB(2 x 2GB) DS -
4GB(2 x 2GB) DS -
6GB(3 x 2GB) DS -
6GB(3 x 2GB) DS -
1GB
2GB
SS -
DS -
12GB(3 x 4GB) DS -
12GB(3 x 4GB) DS -
4GB(2 x 2GB) DS -
4GB(2 x 2GB) DS -
4GB(2 x 2GB) DS -
4GB(2 x 2GB) DS -
6GB(3 x 2GB) DS -
4GB(2 x 2GB) DS -
4GB(2 x 2GB) DS -
4GB(2 x 2GB) DS -
6GB(3 x 2GB) DS -
6GB(3 x 2GB) DS -
6GB(3 x 2GB) DS -
4GB(2 x 2GB) DS -
4GB(2 x 2GB) DS -
6GB(3 x 2GB) DS -
6GB(3 x 2GB) DS -
2GB(2 x 1GB) DS -
4GB(2 x 2GB) DS -
2GB DS -
4GB(2 x 2GB) DS -
6GB(3 x 2GB) DS -
3GB(3 x 1GB) SS -
4GB(2 x 2GB) DS -
4GB(2 x 2GB) DS -
4GB(2 x 2GB) DS -
4GB(2 x 2GB) DS -
6GB(3 x 2GB) DS -
6GB(3 x 2GB) DS -
6GB(3 x 2GB) DS -
Size
SS/
DS
2GB(2 x 1GB) SS -
3GB(3 x 1GB) SS -
Chip
Brand
3GB(3 x 1GB) SS -
4GB(2 x 2GB) DS -
4GB(2 x 2GB) DS -
6GB(3 x 2GB) DS -
6GB(3 x 2GB) DS -
6GB(3 x 2GB) DS -
6GB(3 x 2GB) DS -
6GB(3 x 2GB) DS -
3GB(3 x 1GB) SS -
3GB(3 x 1GB) SS -
3GB(3 x 1GB) SS -
4GB(2 x 2GB) DS -
4GB(2 x 2GB) DS -
4GB(2 x 2GB) DS -
6GB(3 x 2GB) DS -
6GB(3 x 2GB) DS -
6GB(3 x 2GB) DS -
8GB(4 x 2GB) DS -
8GB(4 x 2GB) DS -
1GB
2GB
SS -
DS -
2GB(2 x 1GB) SS -
4GB(2 x 2GB) DS -
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
9-9-9-24 1.35
8-8-8-21 1.6~1.65 •
•
9-9-9-24 1.5-1.6
•
•
•
•
•
•
•
•
•
•
•
•
1.65
1.65
1.65
1.9
1.65
1.65
-
1.65
-
-
1.65
1.65
1.65
1.65
1.65
1.7~1.9
9-9-9
7-7-7
7-7-7
8-8-8
8
9
8-8-8
8-8-8
-
9
8
8
9
8
-
-
8
-
-
-
7-7-7-14 1.7-1.9
-
9
-
-
7-7-7-20 -
9-9-9-24 1.5-1.6
9-9-9-24 1.65
7-7-7-20 1.7
9-9-9-24 1.8
7-7-7-20 1.9
7-7-7-20 2.0
9-9-9-24 1.65
9-9-9-24 1.65
8-8-8-24 1.65
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Chip
NO. Timing
Voltage
8-8-8-24 1.65-1.85 •
8-8-8-24 1.65-1.85 •
8-8-8-24 1.65-1.85 •
9-9-9-24 1.65~1.85 •
7-7-7-20 1.75-1.85 •
7-7-7-20 1.75-1.85 •
9-9-9-24 1.65~1.85 •
9-9-9-24 1.65~1.85 •
9-9-9-24 1.65~1.85 •
7-7-7-20 1.75-1.85 •
8-8-8-24 1.65
8-8-8-24 1.65
9-9-9-24 1.65
8-8-8-24 1.65
7-7-7-20 1.65
9-9-9-24 1.65
8-8-8-24 1.65
8-8-8-24 1.65
9-9-9-24 1.65
8-8-8-24 1.65
-
9-9-9-24 1.65
1.8
8-8-8-24 1.65
-
1.6
1.6
7-7-7-24 1.65
8-8-8-24 1.6
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
DIMM socket support (Optional)
1 DIMM
•
•
•
•
•
•
•
•
•
2 DIMM
•
•
•
4 DIMM
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
6-7-6-18 1.65
•
ASUS M4N75TD
DDR3-1333MHz capability
Vendor
A-DATA
A-DATA
A-DATA
A-DATA
A-DATA
A-DATA
A-DATA
Apacer
Part No.
AD3133301GOU
AD31333002GOU
AD3U1333B2G9-2
AX3U1333PB2G7-2P
AD3U1333C4G9-B
AD31333E002G0U
AX3U1333PB2G7-3P
78.A1GC6.9L1
CORSAIR TR3X3G1333C9 (Ver2.1)
CORSAIR CM3X1024-1333C9DHX
Size
1GB
2GB
2GB DS A-DATA
4GB(2 x 2GB) DS -
4GB
2GB
1GB
SS/
DS
Chip
Brand
SS A-DATA
DS A-DATA
DS Hynix
6GB(3 x 2GB) DS -
6GB(3 x 2GB) DS -
DS Apacer
3GB(3 x 1GB) SS -
DS -
-
Chip NO.
AD30908C8D-15IG
AD30908C8D-15IG
-
AD30908C8D-15IG
-
H5TQ2G83AFRH9C
-
-
-
Timing
7-7-7-20
1333-9-9-9-24 -
7-7-7-20
7-7-7-20
AM5D5808DEWSBG 9
-
9-9-9-24
-
-
-
-
Voltage
1.65-1.85 •
1.65-1.85 •
•
1.65-1.85 •
1.5
1.1
•
•
•
•
•
DIMM socket support
(Optional)
•
1 DIMM 2 DIMM 4 DIMM
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
1.70
• •
(CM3X1024-1333C9)Ver1.1
CORSAIR CM3X2G1333C9
2GB(2 x 1GB) DS -
2GB DS -
-
-
9-9-9-24
9-9-9-24
Crucial
Crucial
Crucial
Crucial
Crucial
Crucial
Crucial
Crucial
ELPIDA
ELPIDA
ELPIDA
ELPIDA
ELPIDA
ELPIDA
G.SKILL
G.SKILL
G.SKILL
(CM3X2048-1333C9DHX)Ver3.2 4GB(2 x 2GB) DS -
CORSAIR TR3X6G1333C9 (Ver2.1)
CORSAIR CMX8GX3M4A1333C9
CT12864BA1339.8FF
CT12864BA1339.8SFD
CT12872BA1339.9FF
BL25664BN1337.16FF(XMP)
CT25664BA1339.16FF
CT25664BA1339.16SFD
CT25672BA1339.18FF
BL25664BA1336.16SFB1
EBJ10UE8BAW0-DJ-E
EBJ10UE8BDF0-DJ-F
6GB(3 x 2GB) DS -
8GB(4 x 2GB) DS -
1GB
1GB
1GB
2GB
2GB
2GB
2GB
SS MICRON
SS MICRON
SS MICRON
DS -
DS MICRON
DS MICRON
DS MICRON
4GB(2 x 2GB) DS NA
EBJ10UE8EDF0-DJ-F
EBJ21UE8BAW0-DJ-E
EBJ21UE8BDF0-DJ-F
EBJ21UE8EDF0-DJ-F
1GB
1GB
1GB
2GB
SS ELPIDA
SS ELPIDA
SS ELPIDA
DS ELPIDA
2GB
2GB
DS ELPIDA
DS ELPIDA
F3-10600CL8D-2GBHK 2GB(2 x 1GB) SS -
F3-10666CL7T-6GBPK(XMP) 2GB
G.SKILL
G.SKILL
G.SKILL
G.SKILL
G.SKILL
GEIL
GEIL
Hynix
F3-10666CL7D-4GBPI(XMP)
DS -
4GB(2 x 2GB) DS -
F3-10666CL7D-4GBRH(XMP) 4GB(2 x 2GB) DS -
F3-10666CL8D-4GBECO(XMP) 4GB(2 x 2GB) DS -
F3-10666CL8D-4GBHK(XMP) 4GB(2 x 2GB) DS -
F3-10666CL8D-4GBRM(XMP) 4GB(2 x 2GB) DS -
F3-10666CL9T-6GBNQ
Hynix
Hynix
GG34GB1333C9DC
GV34GB1333C7DC
HMT112U6BFR8C-H9
HMT125U6BFR8C-H9
HMT125U6BFR8C-H9
KINGMAX FLFD45F-B8KG9
KINGMAX FLFE85F-B8KG9
KINGSTON KVR1333D3N9/1G
KINGSTON KVR1333D3N9/2G
KINGSTON KVR1333D3E9S/4G
KINGSTON KVR1333D3N9/4G
MICRON MT8JTF12864AZ-1G4F1
MT8JTF12864AZ-1G4F1 MICRON
MICRON
MICRON
MICRON
MICRON
OCZ
OCZ
OCZ
OCZ
OCZ
MT9JSF12872AZ-1G4F1
MT16JF25664AZ-1G4F1
MT16JTF25664AZ-1G4F1
MT18JSF25672AZ-1G4F1
OCZ3P1333LV3GK
OCZ3G1333ULV4GK
OCZ3P1333LV4GK
OCZ3G1333LV6GK
OCZ3P1333LV6GK
9-9-9-24
2GB
2GB
1GB
2GB
1G
2GB
4GB
4GB
6GB(3 x 2GB) DS -
4GB(2 x 2GB) DS GEIL
4GB(2 x 2GB) DS -
1GB SS Hynix
DS Hynix
DS Hynix
SS KingMax
1GB
1GB
1GB
2GB
2GB
2GB
SS MICRON
SS MICRON
DS MICRON
DS MICRON
DS MICRON
3GB(3 x 1GB) SS -
4GB(2 x 2GB) DS -
4GB(2 x 2GB) DS -
6GB(3 x 2GB) DS -
6GB(3 x 2GB) DS -
-
-
-
-
-
-
-
-
-
-
D9KPT
MT8JF12864AY-1G4D1 -
9
9-9-9-24
9-9-9-24
-
D9KPT(ECC)
D9KPT
D9JNM
-
D9KPT(ECC)
J1108BABG-DJ-E
J1108BDSE-DJ-F
J1108EDSE-DJ-F
J1108BABG-DJ-E
J1108BDSE-DJ-F
J1108EDSE-DJ-F
9
9
9
9
9
9
7-7-7
8-8-8
7-7-7
9-9-9
7-7-7
-
9
9
7-7-7-24
-
9
9
6-6-6-20
-
-
-
9
-
7-7-7-18
7-7-7-21
7-7-7-21
8-8-8-24
8-8-8-21
8-8-8-21
9-9-9-24
-
GL1L128M88BA12N 9-9-9-24
7-7-7-24
9
DS KingMax
SS Kingston
DS Qimonda
H5TQ1G83BFR
H5TQ1G83BFR
H5TQ1G83BFRH9C
KFB8FNGBF-ANX-15A
9
9
KFB8FNGBF-ANX-15A
D1288JELDPGD9U
IDSH1G-03A1F1C-13H 9
DS SAMSUNG K4B2G0846B-HCH9 -
DS SAMSUNG K4B2G0846B-HCH9 9
SS MICRON 9FF22 D9KPT
D9KPT
-
-
-
-
-
-
D9KPT(ECC)
D9KPT
9FF22 D9KPT
D9KPT(ECC)
1.5
1.70
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
1.65
1.5-1.6 •
•
1.5
1.5
1.35
1.5-1.6 •
•
•
•
-
-
1.3
1.5
1.5-1.6 •
1.5
•
•
-
-
-
-
-
-
-
1.8
-
-
1.5
1.5
-
-
-
1.65
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
-
-
-
-
-
1.65
1.65
1.65
1.65
1.65
1.5
1.5
-
1.5
-
-
-
1.5
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Chapter 1: Product introduction 1-11
1-12
DDR3-1333MHz capability (continued)
Vendor Part No.
OCZ
PSC
OCZX1333LV6GK(XMP)
AL7F8G73D-DG1
PSC AL8F8G73D-DG1
SAMSUNG M378B2873DZ1-CH9
SAMSUNG M378B2873EH1-CH9
SAMSUNG M391B2873DZ1-CH9
SAMSUNG M378B5673DZ1-CH9
SAMSUNG M378B5673EH1-CH9
SAMSUNG M391B5673DZ1-CH9
SAMSUNG M378B5273BH1-CH9
Elixir
Patriot
Patriot
Patriot
Patriot
Silicon
Power
Silicon
Power
Silicon
Power
UMAX
Talent
Asint
Asint
Asint
Asint
ASUS
ATP
ATP
W1333UX2G8(XMP)
SLY3128M8-EDJ
SLY3128M8-EDJE
SLZ3128M8-EDJ
SLZ3128M8-EDJE
N/A
AQ28M64A8BJH9S
AQ28M72D8BJH9S
AQ56M64B8BJH9S ATP
ATP AQ56M72E8BJH9S
BUFFALO FSH1333D3G-T3G(XMP)
EK Memory EKM324L28BP8-I13
Elixir M2Y2G64CB8HA9N-CG
M2Y2G64CB8HC9N-CG
PVT33G1333ELK
PVS34G1333ELK
PVS34G1333LLK
PVT36G1333ELK
SP001GBLTU1333S01
SP001GBLTU133S02
SP002GBLTU133S02
E41302GP0-73BDB
Size Chip NO.
Timing
2GB
1GB
1GB
1GB
2GB
2GB
2GB
4GB
6GB(3 x 2GB) DS NA
1GB SS PSC
DS PSC
-
A3P1GF3DGF
A3P1GF3DGF
SS SAMSUNG K4B1G0846D
SS SAMSUNG K4B1G0846E
SS SAMSUNG K4B1G0846D(ECC)
DS SAMSUNG K4B1G0846D
DS SAMSUNG K4B1G0846E
DS SAMSUNG K4B1G0846D(ECC) 9
DS SAMSUNG K4B2G0846B-HCH9 9
-
9
-
9
-
9
-
8-8-8
2GB(2 x 1GB) SS -
1GB
1GB
2GB
2GB
1GB
1GB
1GB
2GB
1GB SS NANYA
-
SS Asint
SS ELPIDA
DS Asint
DS ELPIDA
DDRIII1208-DJ
J1108BASE-DJ-E
DDRIII1208-DJ
J1108BASE-DJ-E
DS -
SS SAMSUNG K4B1G0846E
SS SAMSUNG K4B1G0846D(ECC)
DS SAMSUNG K4B1G0846D
2GB DS SAMSUNG K4B1G0846D(ECC)
3GB(3 x 1GB) SS -
4GB(2 x 2GB) DS -
2GB DS -
DS -
-
-
2GB
3GB(3 x 1GB) SS -
4GB(2 x 2GB) DS -
4GB(2 x 2GB) DS -
6GB(3 x 2GB) DS -
-
-
-
-
-
-
NT5CB128M8AN-CG -
8
-
-
-
-
-
-
-
-
-
9
-
7-7-7-20
-
9-9-9-24
9-9-9-24
7-7-7-20
9-9-9-24
1GB SS S-POWER I0YT3E0 9
2GB
2GB
DS S-POWER I0YT3E0
DS UMAX U2S24D30TP-13
9
-
-
-
-
1.8
-
-
-
-
-
1.65
1.5
1.7
1.65
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1.6
Voltage
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
(Optional)
1 DIMM 2 DIMM 4 DIMM
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
• •
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
• •
ASUS M4N75TD
DDR3-10666MHz capability
Vendor Part No.
ELPIDA
ELPIDA
ELPIDA
ELPIDA
Hynix
Hynix
Hynix
Hynix
Crucial
Crucial
Crucial
Crucial
Crucial
Crucial
ELPIDA
ELPIDA
KINGSTON KVR1066D3N7/1G
KINGSTON KVR1066D3N7/2G
KINGSTON KVR1066D3N7/2G
KINGSTON KVR1066D3N7/4G
MICRON
MICRON
MICRON
MICRON
MICRON
MICRON
MICRON
MICRON
CT12864BA1067.8FF
CT12864BA1067.8SFD
CT12872BA1067.9FF
CT25664BA1067.16FF
CT25664BA1067.16SFD
CT25672BA1067.18FF
EBJ10UE8BAW0-AE-E
EBJ10UE8EDF0-AE-F
EBJ11RD8BAFA-AE-E
EBJ11UD8BAFA-AG-E
EBJ21UE8BAW0-AE-E
EBJ21UE8EDF0-AE-F
HMT112U6AFP8C-G7N0
HYMT112U64ZNF8-G7
HMT125U6AFP8C-G7N0
HYMT125U64ZNF8-G7
MT8JTF12864AY-1G1D1
MT8JTF12864AZ-1G1F1
MT8JTF12864AZ-1G1F1
MT9JSF12872AZ-1G1F1
MT16JTF25664AY-1G1D1
MT16JTF25664AZ-1G1F1
MT16JTF25664AZ-1G1F1
MT18JSF25672AZ-1G1F1
SAMSUNG M378B5273BH1-CF8
Asint
Asint
Elixir
Elixir
Elixir
WINTEC
SLY3128M8-EAE
SLZ3128M8-EAE
M2Y2G64CB8HA9N-BE
M2Y2G64CB8HC5N-BE
M2Y2G64CB8HC9N-BE
3DU3191A-10
DS Chip Brand Chip NO.
1GB SS MICRON
1GB SS MICRON
1GB SS MICRON
2GB DS MICRON
2GB DS MICRON
2GB DS MICRON
1GB SS ELPIDA
1GB SS ELPIDA
1GB DS ELPIDA
1GB DS ELPIDA
2GB DS ELPIDA
2GB DS ELPIDA
1GB SS HYNIX
1GB SS HYNIX
2GB DS HYNIX H5TQ1G83AFPG7C
2GB DS HYNIX
1GB SS KINGSTON D1288JEKAPA7U
7
HY5TQ1G831ZNFP-G7 7
2GB DS KINGSTON D1288JEKAPGA7U
2GB DS ELPIDA J1108BABG-DJ-E
4GB DS SAMSUNG K4B2G0846B-HCF8
1GB SS MICRON
1GB SS MICRON
1GB SS MICRON
1GB SS MICRON
2GB DS MICRON
2GB DS MICRON
2GB DS MICRON
2GB DS MICRON
D9KPT
D9JNL
D9KPT(ECC)
D9KPT
D9JNL
D9KPT(ECC)
J1108BABG-DJ-E
J1108EDSE-DJ-F
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HY5TQ1G831ZNFP-G7 7
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Side(s): SS - Single-sided DS - Double-sided
DIMM support:
• A*: Supports one module inserted into either slot as Single-channel memory configuration.
• B*: Supports two modules inserted into either the blue slots or the black slots as one
pair of Dual-channel memory configuration.
• C*: Supports four modules inserted into both the blue slots and the black slots as two
pairs of Dual-channel memory configuration.
Visit the ASUS website for the latest QVL.
Chapter 1: Product introduction 1-13
1-14
1.7.3 Installing a DIMM
Unplug the power supply before adding or removing DIMMs or other system components.
Failure to do so can cause severe damage to both the motherboard and the components.
1. Unlock a DIMM socket by pressing the retaining clip outward.
2. Align a DIMM on the socket such that the notch on the DIMM matches the
DIMM slot key on the socket.
DIMM notch
1
Unlocked retaining clip
2
DIMM slot key
A DIMM is keyed with a notch so that it fits in only one direction. DO NOT force a DIMM into a socket in the wrong direction to avoid damaging the DIMM.
3. Hold the DIMM by both of its ends, then insert the DIMM vertically into the socket. Apply force to both ends of the DIMM simultaneously until the retaining clip snaps back into place, and the DIMM cannot be pushed in any further to ensure proper sitting of the DIMM.
3
Locked Retaining Clip
Always insert the DIMM into the socket VERTICALLY to prevent DIMM notch damage.
1.7.4 Removing a DIMM
1. Press the retaining clip outward to unlock the DIMM.
2. Remove the DIMM from the socket.
2
1
ASUS M4N75TD
1.8 Expansion slots
In the future, you may need to install expansion cards. The following sub-sections describe the slots and the expansion cards that they support.
Unplug the power cord before adding or removing expansion cards. Failure to do so may cause you physical injury and damage motherboard components.
1.8.1 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.
1.8.2 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.
When using PCI cards on shared slots, ensure that the drivers support “Share IRQ” or that the cards do not need IRQ assignments. Otherwise, conflicts will arise between the two PCI groups, making the system unstable and the card inoperable. Refer to the table on the next page for details.
1.8.3 PCI slots
The PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications.
1.8.4 PCI Express 2.0 x1 slots
This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express specifications.
1.8.5 PCI Express 2.0 x16 slots
This motherboard supports two PCI Express 2.0 x16 graphics cards (run at x8 bandwidth) that comply with the PCI Express specifications.
Chapter 1: Product introduction 1-15
1.9 Jumpers
1. 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, 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.
1-16
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 the CMOS clearance, reinstall the battery.
• You do not need to clear the RTC when the system hangs due to overclocking. For system failure due to overclocking, use the C.P.R. (CPU Parameter Recall) feature. Shut down and reboot the system so the BIOS can automatically reset parameter settings to default values.
• Due to the chipset behavior, AC power off is required to enable C.P.R. function. You must turn off and on the power supply or unplug and plug the power cord before rebooting the system.
ASUS M4N75TD
2. CPU overvoltage setting (3-pin OV_CPU)
This jumper allows you to enable or disable the advanced CPU overvoltage setting in
BIOS. Read the following information before you change the jumper setting. Set to pins
1-2 to activate the advanced CPU overvoltage feature.
Pins 2-3 (Default)
OV_CPU
0.80V – 1.55V
Pins 1-2 (OV Enabled) up to 1.60V
• Before you change the jumper setting for extra-high overvoltage ability, use the BIOS items introduced in 2.5 Ai Tweaker menu first to adjust the desired
CPU performance. Ensure that your system functions well under the highest
BIOS voltage setting before you change the setting of this jumper.
• Refer to 2.5 Ai Tweaker menu for more information about the CPU overvoltage setting.
• DO NOT set the OV_CPU jumper to pins 1-2 when you install a new CPU and have not booted for the first time. Doing so may cause the system to halt. For system failure due to the wrong setting of the OV_CPU jumper, shut down the computer and move the cap back to pins 2-3.
• The system may need a better cooling system (for example, a water-cooling system) to work stably under high voltage settings.
Chapter 1: Product introduction 1-17
1.10 Onboard switches
Onboard switches allow you to fine-tune performance when working on a bare or open-case system. This is ideal for overclockers and gamers who continually change settings to enhance system performance.
1. MemOK! switch
Installing DIMMs that are incompaible with the motherboard may cause system boot failure, and the DRAM_LED near the MemOK! switch lights continuously. Press and hold the MemOK! switch until the DRAM_LED starts blinking to begin automatic memory compatibility tuning for successful boot.
1-18
• Refer to section 1.11 Onboard LEDs for the exact location of the DRAM_LED.
• The DRAM_LED also lights when the DIMM is not properly installed. Turn off the system and reinstall the DIMM before using the MemOK! function.
• Press the MemOK! switch under Windows™ OS environment will reboot the computer and start memory tuning.
• During the tuning process, the system loads and tests failsafe memory settings. It takes about 30 seconds for the system to test one set of failsafe settings. If the test fails, the system reboots and test the next set of failsafe settings. The blinking speed of the
DRAM_LED increases, indicating different test processes.
• Due to memory tuning requirement, the system automatically reboots when each timing set is tested. If the installed DIMMs still fail to boot after the whole tuning process, the
DRAM_LED lights continuously. Replace the DIMMs with ones recommended in the
Memory QVL (Qualified Vendors Lists) in this user manual or on the ASUS website at www.asus.com.
• If you turn off the computer and replace DIMMs during the tuning process, the system continues memory tuning after turning on the computer. To stop memory tuning, turn off the computer and unplug the power cord for about 5–10 seconds.
• If your system fail to boot due to BIOS overclocking, press the MemOK! switch to boot and load BIOS default settings. A messgae will appear during POST reminding you that the BIOS has been restored to its default settings.
• We recommend that you download and update to the latest BIOS version from the
ASUS website at www.asus.com after using the MemOK! function.
ASUS M4N75TD
2. Core Unlocker switch
This switch allows you to unlock the extra cores of your CPU.
For ensuring the system performance, turn the switch setting to Enable when the system is powered off.
• The UNCLOCKER_LED near the Core Unlocker switch lights when the switch setting is turned to Enable . Refer to section 1.11 Onboard LEDs for the exact location of the
UNLOCKER_LED .
• You may also press <4> during the Power-On-Self-Test (POST) to activate the Core
Unlocker function.
• The system will use the last setting you have made.
1.11 Onboard LEDs
1. Standby Power LED
The motherboard comes with a standby power LED. The green LED lights up to indicate that the system is ON, in sleep mode, or in soft-off mode. This is a reminder that you should 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 introduction 1-19
1-20
2. DRAM LED
DRAM LED checks the DRAM in sequence during motherboard booting process. If an error is found , the LED next to the error device will continue lighting until the problem is solved. This user-friendly design provides an intuitional way to locate the root problem within a second.
3. Core Unlocker LED
The Core Unlocker LED lights when the Core Unclocker switch is turned to Enable .
ASUS M4N75TD
1.12 Connectors
1.12.1 Rear panel connectors
1. PS/2 mouse port (green).
This port is for a PS/2 mouse.
2. IEEE 1394a port.
This 6-pin IEEE 1394a port provides high-speed connectivity for audio/video devices, storage peripherals, PCs, or portable devices.
3. LAN (RJ-45) port.
This port allows Gigabit connection to a Local Area Network (LAN) through a network hub.
ACT/LINK
LED
SPEED
LED
Activity/Link LED
Status
OFF
Description
No link
GREEN
BLINKING
Linked
Data activity
Speed LED
Status
OFF
GREEN
ORANGE
Description
10 Mbps connection
100 Mbps connection
1 Gbps connection LAN port
4. Center/Subwoofer port (orange).
This port connects the center/subwoofer speakers.
5. Rear Speaker Out port (black).
This port connects the rear speakers in a 4-channel,
6-channel, or 8-channel audio configuration.
6. Line In port (light blue).
This port connects the tape, CD, DVD player, or other audio sources.
7. Line Out port (lime).
This port connects a headphone or a speaker. In 4-channel,
6-channel, and 8-channel configuration, the function of this port becomes Front
Speaker Out.
8. Microphone port (pink).
This port connects a microphone.
9. Side Speaker Out port (gray).
This port connects the side speakers in an 8-channel audio configuration.
Refer to the audio configuration table on next page for the function of the audio ports in 2, 4, 6, or 8-channel configuration.
Chapter 1: Product introduction 1-21
Audio 2, 4, 6, 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 Ou
–
8-channel
Line In
Front Speaker Out
Mic In
Center/Subwoofer
Rear Speaker Out
Side Speaker Out
10. USB 2.0 ports 1 and 2.
These 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices.
11. USB 2.0 ports 3 and 4.
These 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices.
12. Optical S/PDIF Out port. This port connects an external audio output device via an optical S/PDIF cable.
13. USB 2.0 ports 5 and 6.
These 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices.
14. PS/2 keyboard port (purple).
This port is for a PS/2 keyboard.
1-22 ASUS M4N75TD
1.12.2 Internal connectors
1. IDE connector (40-1 pin PRI_IDE)
The onboard IDE connector is for Ultra DMA 133/100/66 signal cable. There are three connectors on each Ultra DMA 133 / 100 / 66 signal cable: blue, black, and gray.
Connect the blue connector to the motherboard’s IDE connector, then select one of the following modes to configure your devices:
Single device
Two devices
Drive jumper setting
Cable-Select or Master
Cable-Select
Master
Slave
Mode of device(s)
-
Master
Slave
Master
Slave
Cable connector
Black
Black
Gray
Black or gray
• Pin 20 on the IDE connector is removed to match the covered hole on the Ultra DMA cable connector. This prevents incorrect insertion when you connect the IDE cable.
• Use the 80-conductor IDE cable for Ultra DMA 133/100/66 IDE devices.
If any device jumper is set as “Cable-Select”, ensure that all other device jumpers have the same setting.
Chapter 1: Product introduction 1-23
2. ATX power connectors (24-pin EATXPWR, 8-pin EATX12V)
These connectors are for an ATX power supply. The plugs from the power supply are designed to fit these connectors in only one orientation. Find the proper orientation and push down firmly until the connectors completely fit.
1-24
• For a fully configured system, we recommend that you use a power supply unit (PSU) that complies with ATX 12 V Specification 2.0 (or later version) and provides a minimum power of 350W.
• Do not forget to connect the 8-pin EATX +12 V power plug; otherwise, the system will not boot.
• Use of a PSU with a higher power output is recommended when configuring a system with more power-consuming 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.
• If you want to use two or more high-end PCI Express x16 cards, use a PSU with 1000W power or above to ensure the system stability.
AcBel PC7030
AcBel API4PC24
Antec EA-380
Delta GPS-550AB
ASUS P-50GA
ASUS P-55GA
ASUS U-65GA
ASUS U-75HA
Be quiet P6-PRO-850W
Be quiet BN077
Be quiet BN073
Bubalus PE600WJD
CoolerMaster RS-850EMBA
CoolerMaster RS-A00-ESBA
CoolerMaster RS-650
CoolerMaster RS-750
Corsair CMPSU-620HX
Corsair HX1000W
Coolive AP-350F
CWT PSH650V-D
CWT PSH750V-D
Delta GPS-350AB
PSU suggested list
EnerMAX EGX1000EWL
EnerMAX EG495AX-VE (E)(24P)
EnerMAX ELT500AWT
EnerMAX EIN720AWT
FSP FSP500-60GLN
FSP ATX-300PNR
Gigabyte P610A-C1
GoldenField ATX-S398
GoldenField ATX-S550
GreatWall BTX-600SE
HECHUAN ST-ATX330
Huntkey 磐石 500
Huntkey R85
I-cuteAP-600S
OCZ OCZGXS850
OCZ OCZ1000PXS
SAMA YUHUI-350P
Seasonic SS-850EM
Seasonic SS-900HP
Seasonic SS-351HT
Seasonic SS-460HS
Seasonic SS-500HM
Seasonic SS-550HT
Seasonic SS-600HT
Seventeam ST-522HLP
Seventeam ST550EAJ-05F
Seventeam ST-420BKP
Snake PSH850V
Snake PSH500V
Silverstone SST-ST85F
Silverstone ZM1200M
Silverstone SST-ST50EF
Silverstone PSU ST56ZF
Tagan TG1100-U33
T.C.STAR D420
Thermaltake W0133RU
Thermaltake W0171
Thermaltake TWV500W-AP
Thermaltake PUREPower-600AP
TOPower TOP-500P5
Zippy HP2-6500PE (G1)
Zippy PSL6720P
ASUS M4N75TD
3. NVIDIA nForce ® 750a SLI ® Serial ATA connectors (7-pin SATA1-6)
These connectors are for the Serial ATA signal cables for Serial ATA 3Gb/s hard disk and optical disk drives. The Serial ATA 3Gb/s is backward compatible with Serial ATA
1.5Gb/s specification. The data transfer rate of the Serial ATA 3Gb/s is faster than the standard parallel ATA with 133 MB/s (Ultra DMA133). If you install SATA hard disk drives to the SATA connectors, you can create a RAID 0, RAID 1, RAID 0+1, RAID 5, or JBOD configuration through the onboard NVIDIA nForce ® 750a SLI ® controller.
• SATA 5-6 connectors support AHCI mode and RAID mode only. Make sure to install the
AHCI driver or RAID driver in the bundled support DVD before connecting devices to
SATA 5-6 connectors. Otherwise, the devices will not work.
• Due to chipset limitation, when set any of SATA ports to RAID mode, all SATA ports run at RAID mode together.
• You must install Windows XP ® hard disk drives.
Service Pack 2 or later version before using Serial ATA
• SATA1–4 connectors are set to [IDE Mode] by default. 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 page 2-10 for details.
• Before creating a RAID set, refer to the manual bundled in the motherboard support
DVD.
Chapter 1: Product introduction 1-25
1-26
4. CPU, Chassis and Power Fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN1,
3-pin CHA_FAN2, 3-pin PWR_FAN)
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.
• The CPU_FAN connector supports the CPU fan of maximum 1A (12 W) fan power.
• Only the CPU_FAN, CHA_FAN1 and CHA_FAN2 connectors support the ASUS Fan
Xpert feature.
• If you install two VGA cards, we recommend that you plug the rear chassis fan cable to the motherboard connector labeled CHA_FAN1 or CHA_FAN2 for better thermal environment.
ASUS M4N75TD
5. System panel connector (20-8 pin 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 IDE_LED)
This 2-pin connector is for the HDD Activity LED. Connect the HDD Activity LED cable to this connector. The IDE LED lights up or flashes when data is read from or written to the HDD.
• System warning speaker (4-pin SPEAKER)
This 4-pin connector is for the chassis-mounted system warning speaker. The speaker allows you to hear system beeps and warnings.
• ATX power button/soft-off button (2-pin PWRSR)
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.
Chapter 1: Product introduction 1-27
6. USB connectors (10-1 pin USB78, USB910, USB1112)
These connectors are for USB 2.0 ports. Connect the USB module cable to any of these connectors, then install the module to a slot opening at the back of the system chassis. These USB connectors comply with USB 2.0 specification that supports up to
480 Mbps connection speed.
Never connect a 1394 cable to the USB connectors. Doing so will damage the motherboard!
The USB 2.0 module is purchased separately.
7. Digital audio connector (4-1 pin SPDIF_OUT)
This connector is for an additional Sony/Philips Digital Interface (S/PDIF) ports.
1-28
The S/PDIF module is purchased separately.
ASUS M4N75TD
8. Front panel audio connector (10-1 pin AAFP)
This connector is for a chassis-mounted front panel audio I/O module that supports either High Definition Audio or AC`97 audio standard. Connect one end of the front panel audio I/O module cable to this connector.
• We recommend that you connect a high-definition front panel audio module to this connector to avail of the motherboard high-definition audio capability.
• If you want to connect a high-definition front panel audio module to this connector, ensure that the Front Panel Select item in the BIOS is set to [HD Audio]. If you want to connect an AC’97 front panel audio module to this connector, set the item to [AC97].
See page 2-18 for details.
9. Serial port connector (10-1 pin COM1)
The connector is for a serial (COM) port. Connect the serial port module cable to the connector, then install the module to a slot opening at the back of the system chassis.
The serial port bracket (COM1) is purchased separately.
Chapter 1: Product introduction 1-29
10. IEEE 1394a port connector (10-1 pin IE1394_2)
This connector is for an IEEE 1394a port. Connect the IEEE 1394a module cable to this connector, then install the module to a slot opening at the back of the system chassis.
Never connect a USB cable to the IEEE 1394a connector. Doing so will damage the motherboard!
1-30 ASUS M4N75TD
1.13 Software support
1.13.1 Installing an operating system
This motherboard supports Windows ® 7/Vista/XP 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. Use the setup procedures presented in this chapter for reference only. Refer to your OS documentation for detailed information.
• Ensure that you install Windows ® XP Service Pack 1 or later versions before installing the drivers for better compatibility and system stability.
1.13.2 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.
• For detailed software instructions, see the Manual folder in the Support DVD or download the latest software manual from the ASUS website at www.asus.com.
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 screen on this page is used for reference only.
Click an icon to display Support DVD/ motherboard information
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 1-31
1-32
1.14 NVIDIA
®
SLI™ technology support
1.14.1 NVIDIA
®
SLI™ technology
The motherboard supports the NVIDIA allows you to install multi-graphics processing units (GPU) graphics cards. Follow the installation procedures in this section.
® SLI™ (Scalable Link Interface) technology that
Requirements
•
•
•
In SLI mode, you should have two identical SLI-ready graphics cards that are NVIDIA ® certified.
Ensure that your graphics card driver supports the NVIDIA SLI technology. Download the latest driver from the NVIDIA website (www.nvidia.com).
Ensure that your power supply unit (PSU) can provide at least the minimum power required by your system. See page 1-24 for details.
• We recommend that you install additional chassis fans for better thermal environment.
• Visit the NVIDIA zone website (http://www.nzone.com) for the latest certified graphics card and supported 3D application list.
Installing two SLI-ready graphics cards
The following pictures are for reference only. The graphics cards and the motherboard layout may vary with models, but the installation steps remain the same.
1. Prepare two SLI-ready graphics cards.
2. Insert the two graphics card into the
PCIEX16 slots. If your motherboard has more than two PCIEX16 slots, refer to Chapter 2 in this user manual for the locations of the PCIEX16 slots recommended for multi-graphics card installation.
3. Ensure that the cards are properly seated on the slots.
ASUS M4N75TD
4. Align and firmly insert the SLI bridge connector to the goldfingers on each graphics card. Ensure that the connector is firmly in place.
5. Connect two independent auxiliary power sources from the power supply to the two graphics cards separately.
6. Connect a VGA or a DVI cable to the graphics card.
SLI bridge
Goldfingers
Installing the device drivers
Refer to the documentation that came with your graphics card package to install the device drivers.
Ensure that your PCI Express graphics card driver supports the NVIDIA ®
Download the latest driver from the NVIDIA website (www.nvidia.com).
SLI™ technology.
Enabling the NVIDIA ® SLI™ technology
After installing your graphics cards and the device drivers, enable the SLI feature in NVIDIA ®
Control Panel under the Windows ® Vista™ / 7 operating system.
Launching the NVIDIA Control Panel
You can launch the NVIDIA Control Panel by the following two methods.
A. Right click on the empty space of the Windows ® desktop and select NVIDIA Control Panel .
The NVIDIA Control Panel window appears
(See Step B5).
Chapter 1: Product introduction 1-33
1-34
B1. If you cannot see the NVIDIA Control Panel item in step (A), select Personalize .
B2. From the Personalization window, select Display Settings .
B3. From the Display Settings dialog box, click Advanced Settings .
ASUS M4N75TD
B4. Select the NVIDIA GeForce tab, and then click Start the NVIDIA Control
Panel .
B5. The NVIDIA Control Panel window appears.
Enabling SLI settings
From the NVIDIA Control Panel window, select Set SLI Configuration . Click
Enable SLI and set the display for viewing SLI rendered content. When done, click Apply .
Chapter 1: Product introduction 1-35
1.14.2 NVIDIA
®
Hybrid SLI™ technology
The motherboard supports the NVIDIA primary features: GeForce ®
® Hybrid SLI™ technology that includes two
Boost and HybridPower™. GeForce ® Boost enhances the performance of NVIDIA discrete Graphics Process Units (dGPU) when they work with the onboard motherboard GPU (mGPU). HybridPower™ unleashes the graphics performance of the dGPU and enables low-power operation when the performance of the dGPU is not needed. You can switch from the dGPU(s) to the mGPU for a quiet, power-saving computer environment.
• Hybrid SLI technology is supported by Windows ® Vista™ / 7 only.
• Hybrid SLI technology requires at least 2GB system memory to activate.
• GeForce Boost supports up to two displays simultaneously (both connected to either the mGPU or the dGPU).
• When two or more displays are connected to both the mGPU and the dGPU, the
Hybrid SLI mode is disabled and the multi-display mode is enabled. In the multi-display mode, up to four displays can be connected (two displays driven by the mGPU and two displays by the dGPU).
• HybridPower requires displays to be connected to the mGPU. HybridPower cannot be enabled when displays are driven through the dGPU.
• HybridPower and GeForce Boost are supported by certain set of dGPUs. Go to www.nvidia.com/hybridsli to learn the supported GPUs.
1-36 ASUS M4N75TD
Enabling GeForce ® Boost™
Before enabling GeForce Boost, ensure that you have installed a dGPU recommended for
GeForce Boost on your motherboard.
GeForce Boost
1. Turn on the system and press <Del> during the Power-On Self-Test (POST) to enter the BIOS Setup Utility.
2. Go to Advanced > Chipset > SouthBridge Configuration and set the Hybrid SLI support item to [Auto]. See section 2.5.2 Chipset for details.
The Hybrid Support item becomes user-configurable only when a dGPU is detected.
Ensure that your dGPU is properly installed.
Advanced
BIOS SETUP UTILITY
Advanced Chipset Settings
Hybrid SLI support [Disabled]
Primary Graphics Adapter [PCIE VGA Card Firs]
PCIE training [Gen2 if supported]
SouthBridge ACPI HPET TABLE [Enabled]
3. Save your changes and Exit Setup.
4. Place the motherboard support DVD into the optical drive, and go to the Drivers menu to install the NVIDIA Chipset Driver Program .
5. Restart the system.
6. If the driver is correctly installed, you will find the
Hybrid SLI icon on the taskbar.
The Hybrid SLI icon indicates that the system is in Performance mode and that GeForce Boost is enabled. The onboard GPU will share the rendering load with the dGPU and boost the performance of the dGPU.
Visit www.asus.com for the latest chipset driver.
Chapter 1: Product introduction 1-37
1-38
To enable HybridPower
1. Follow Step 1 to 5 on the previous page to complete the hardware and driver installation.
2. If the driver is correctly installed, you will find the
Hybrid SLI icon on the taskbar.
The Hybrid SLI icon indicates that the system is in Performance mode and that rendering is being done by the dGPU. The mGPU is being used only to drive the display.
3. Click the Hybrid SLI icon and select Save Power .
4. The icon will change state (from to ) to indicate that the system is in Power Saving mode, which means that the dGPU is turned off and the mGPU is both rendering and displaying.
5. When the Power Saving mode is enabled, the dGPU does not show in the Windows ®
Device Manager.
Power Saving mode is disabled.
When the Power Saving mode is enabled, the dGPU is turned off and does not appear in the
Device Manager.
ASUS M4N75TD
Chapter 2
BIOS setup
2.1 Knowing BIOS
BIOS (Basic Input and Output System) stores system hardware settings such as storage device configuration, overclocking settings, advanced power management, and boot device configuration that are needed for system startup in the motherboard CMOS. In normal circumstances, the default BIOS settings apply to most conditions to ensure optimum performance. We recommend that you not change the default BIOS settings except in the following circumstances:
• An error message appears on the screen during the system bootup and requests you to run the BIOS Setup.
• You have installed a new system component that requires further BIOS settings or update.
Inappropriate settings of the BIOS may result to instability or failure to boot. We strongly recommend that you change the BIOS settings only with the help of a trained service personnel .
2.2 Updating BIOS
The ASUS website publishes the latest BIOS versions to provide enhancements on system stability, compatibility, or performance. However, BIOS updating is potentially risky. If there is no problem using the current version of BIOS, DO NOT manually update the BIOS .
Inappropriate BIOS updating may result in the system’s failure to boot. Carefully follow the instructions of this chapter to update your BIOS if necessary.
Visit the ASUS website (www.asus.com) to download the latest BIOS file for this motherboard.
The following utilities allow you to manage and update the motherboard BIOS setup program.
1. ASUS Update utility: Updates the BIOS in Windows ® environment.
2. ASUS EZ Flash 2 utility: Updates the BIOS using a USB flash drive.
3.
ASUS CrashFree BIOS 3 utility: Restores the BIOS using the motherboard support
DVD or a USB flash drive when the BIOS file fails or gets corrupted.
Refer to the corresponding sections for details on these utilities.
Save a copy of the original motherboard BIOS file to a USB flash drive in case you need to restore the BIOS in the future. Copy the original motherboard BIOS using the ASUS
Update utility.
Chapter 2: BIOS setup 2-1
2-2
2.2.1 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, and then click Install 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 , and then click Next.
b. Select the ASUS FTP site nearest you to avoid network traffic, or click Auto
Select , and then click Next .
c. From the FTP site, select the BIOS version that you wish to download, and then click Next .
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 , and then click Next .
b. Locate the BIOS file from the Open window, and then click Open .
3. Follow the onscreen instructions to complete the updating process.
ASUS M4N75TD
2.2.2 ASUS EZ Flash 2 utility
The ASUS EZ Flash 2 feature allows you to update the BIOS without having to use a bootable floppy disk or a DOS-based 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 floppy/USB flash disk that contains the latest BIOS file to the floppy disk drive or the USB port, then launch EZ Flash 2. You can launch EZ Flash 2 in two ways.
a. Press <Alt> + <F2> during POST to display the following:
ASUSTek EZ Flash 2 BIOS ROM Utility V4.12
Current ROM
BOARD: M4N75TD
VER: 0106
DATE: 01/15/2010
PATH: A:\
A:
Update ROM
BOARD:
VER:
Unknown
Unknown
DATE: Unknown
Note
[Enter] Select or Load [Tab] Switch [V] Drive Info
[Up/Down/Home/End] Move [B] Backup [ESC] Exit b. 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.
4. When the correct BIOS file is found, EZ Flash 2 performs the BIOS update process and automatically reboots the system when done.
• This function can support devices such as USB flash disk, or floppy disk 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!
Chapter 2: BIOS setup 2-3
2-4
2.2.3 ASUS CrashFree BIOS 3 utility
The ASUS CrashFree BIOS 3 utility 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 USB flash drive that contains the BIOS file.
The BIOS file in the motherboard support DVD may be older than the BIOS file published on the ASUS official website. If you want to use the newer BIOS file, download the file at support.asus.com and save it to a USB flash drive.
Recovering the BIOS
To recover the BIOS:
1. Turn on the system.
2. Insert the motherboard support DVD to the optical drive, or the USB flash drive containing the BIOS file to the USB port.
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 power on again.
5. The system requires you to enter BIOS Setup to recover BIOS setting. To ensure system compatibility and stability, we recommend that you press <F2> to load default
BIOS values.
DO NOT shut down or reset the system while updating the BIOS! Doing so can cause system boot failure!
ASUS M4N75TD
2.3 BIOS setup program
This motherboard supports a programmable firmware chip that you can update using the provided utility described in section 2.1 Managing and updating your BIOS .
Use the BIOS Setup program when you are installing a motherboard, reconfiguring your system, or prompted to “Run Setup”. This section explains how to configure your system using this utility.
Even if you are not prompted to use the Setup program, you can change the configuration of your computer in the future. For example, you can enable the security password feature or change the power management settings. This requires you to reconfigure your system using the BIOS Setup program so that the computer can recognize these changes and record them in the CMOS RAM of the firmware chip.
The firmware chip on the motherboard stores the Setup utility. When you start up the computer, the system provides you with the opportunity to run this program. Press <Del> during the Power-On Self-Test (POST) to enter the Setup utility. Otherwise, POST continues with its test routines.
If you wish to enter Setup after POST, reboot the system by doing any of the following procedures:
• Restart using the OS standard shut-down procedure.
• 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.
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 Setup program is designed to make it as easy to use as possible. Being a menu-driven program, it lets you scroll through the various submenus and make your selections from the available options using the navigation keys.
• 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 2.10 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.
Chapter 2: BIOS setup 2-5
2-6
2.3.1 BIOS menu screen
Menu items Menu bar Configuration fields General help
BIOS SETUP UTILITY
Main Ai Tweaker Advanced Power Boot Tools Exit
System Time
System Date
Language
Primary IDE Master
Primary IDE Slave
SATA1
SATA2
SATA3
SATA4
[10:17:30]
[Fri 01/22/2010]
[English]
:[Not Detected]
:[Not Detected]
:[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 v02.61 (C)Copyright 1985-2009, American Megatrends, Inc.
Submenu items Navigation keys
2.3.2 Menu bar
The menu bar on top of the screen has the following main items:
Main For changing the basic system configuration
Ai Tweaker
Advanced
Power
Boot
For changing the overclocking settings
For changing the advanced system settings
For changing the advanced power management (APM) configuration
For changing the system boot configuration
Tools For changing the system tools configuration
Exit For selecting the exit options and loading default settings
To select an item on the menu bar, press the right or left arrow key on the keyboard until the desired item is highlighted.
• The BIOS setup screens shown in this chapter 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 information.
ASUS M4N75TD
2.3.3 Navigation keys
At the bottom right corner of a menu screen are the navigation keys for that particular menu.
Use the navigation keys to select items in the menu and change the settings.
Some of the navigation keys differ from one screen to another.
2.3.4 Menu items
The highlighted item on the menu bar displays the specific items for that menu. For example, selecting Main shows the Main menu items.
The other items (Advanced, Power, Boot, Tools, and Exit) on the menu bar have their respective menu items.
2.3.5 Submenu items
A solid triangle before each item on any menu screen means that the item has a submenu. To display the submenu, select the item and press <Enter>.
2.3.6 Configuration fields
These fields show the values for the menu items. If an item is user-configurable, you can change the value of the field opposite the item. You cannot select an item that is not userconfigurable.
A configurable field is enclosed in brackets, and is highlighted when selected. To change the value of a field, select it then press <Enter> to display a list of options. Refer to 2.2.8 Pop-up window .
2.3.7 General help
At the top right corner of the menu screen is a brief description of the selected item.
2.3.8 Pop-up window
Select a menu item then press <Enter> to display a pop-up window with the configuration options for that item.
Main Advanced Power
BIOS SETUP UTILITY
Boot Tools Exit
Suspend Mode [Auto]
Repost Video on S3 Resume [No]
ACPI 2.0 Support [Disabled]
ACPI APIC support [Enabled]
APM Configuration
Hardware Monitor
Select the ACPI state used for System
Suspend.
2.3.9 Scroll bar
A scroll bar appears on the right side of a menu screen when there are items that do not fit on the screen. Press the <Up> / <Down> arrow keys or <Page Up> / <Page Down> keys to display the other items on the screen.
←→
↑↓
+-
F1
F10
ESC
Select Screen
Select Item
Change Field
General Help
Save and Exit
Exit v02.61 (C)Copyright 1985-2009, American Megatrends, Inc.
Scroll bar
Pop-up window
Chapter 2: BIOS setup 2-7
2-8
2.4 Main menu
When you enter the BIOS Setup program, the Main menu screen appears, giving you an overview of the basic system information.
Refer to section 2.3.1 BIOS menu screen for information on the menu screen items and how to navigate through them.
BIOS SETUP UTILITY
Main Ai Tweaker Advanced Power Boot Tools Exit
System Time
System Date
Language
[10:17:30]
[Fri 01/22/2010]
[English]
Use [ENTER], [TAB] or [SHIFT-TAB] to select a field.
Primary IDE Master
Primary IDE Slave
SATA1
SATA2
SATA3
SATA4
Storage Configuration
System Information
:[Not Detected]
:[Not Detected]
:[Not Detected]
:[Not Detected]
:[Not Detected]
:[Not Detected]
Use [+] or [-] to configure system Time.
←→
↑↓
Select Screen
Select Item
+- Change Field
Tab Select Field
F1 General Help
F10 Save and Exit
ESC Exit v02.61 (C)Copyright 1985-2009, American Megatrends, Inc.
2.4.1 System Time [xx:xx:xx]
Allows you to set the system time.
2.4.2 System Date [Day xx/xx/xxxx]
Allows you to set the system date.
2.4.3 Language [English]
Allows you to select the display language for the BIOS setup screen.
Configuration options: [ 繁體中文 ] [ 簡體中文 ] [ 日本語 ] [Français] [Deutsch] [English]
2.4.4 Primary IDE Master/Slave
While entering Setup, the BIOS automatically detects the presence of IDE devices. There is a separate submenu for each IDE device. Select a device item then press <Enter> to display the IDE 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 IDE device is installed in the system.
Type [Auto]
Selects the type of IDE drive. Setting to [Auto] allows automatic selection of the appropriate
IDE 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]
ASUS M4N75TD
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]
2.4.5 SATA 1–4
While entering Setup, the BIOS automatically detects the presence of Serial ATA devices.
There is a separate submenu 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.
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]
Chapter 2: BIOS setup 2-9
2-10
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]
2.4.6 Storage Configuration
This menu allows you to configure the IDE/SATA devices.
Onboard PCI IDE Controller [Enabled]
Set to [Disabled] to disable the integrated IDE controller or [Enabled] to enable both the integrated IDE controller and onchip SATA controller.
Configuration options: [Enabled] [Disabled]
OnChip SATA Controller [Enabled]
Enables or disables the OnChip SATA Controller. Configuration options: [Enabled] [Disabled]
SATA Mode select [IDE Mode]
Allows you to select the SATA type.
Configuration options: [IDE Mode] [RAID Mode] [AHCI Mode]
• If you want the Serial ATA hard disk drives to use the Advanced Host Controller Interface
(AHCI), set this item to [AHCI Mode]. The AHCI allows the onboard storage driver to enable advanced Serial ATA features that increases storage performance on random workloads by allowing the drive to internally optimize the order of commands.
• If you want to create a RAID configuration from the Serial ATA hard disk drives, set this item to [RAID Mode].
2.4.7 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.
ASUS M4N75TD
2.5 Ai Tweaker menu
The Ai Tweaker menu items allow you to configure overclocking-related items.
Take caution when changing the settings of the Ai Tweaker menu items. Incorrect field values can cause the system to malfunction.
The default values of the following items vary depending on the CPU and memory modules you install on the motherboard.
BIOS SETUP UTILITY
Main Ai Tweaker Advanced Power Boot Tools Exit
Configure System Frequency/Voltage
Ai Overclock Tuner
CPU Ratio
DRAM Frequency
CPU/NB Frequency
[Auto]
[Auto]
[Auto]
[Auto]
HT Link Speed [Auto]
DRAM Timing Configuration
DRAM Driving Configuration
Processor Voltage
CPU/NB Voltage
[Auto]
[Auto]
CPU/LDT Spread Spectrum [Disabled]
PCIE Spread Spectrum
SATA Spread Spectrum
PCIE Spread Spectrum
[Disabled]
[Disabled]
[Disabled]
Select the target CPU frequency, and the relevant parameters will be auto-adjusted.
←→
↑↓
Select Screen
Select Item
+- Change Field
F1 General Help
F10 Save and Exit
ESC Exit v02.61 (C)Copyright 1985-2009, American Megatrends, Inc.
2.5.1 Ai Overclock Tuner [Auto]
Allows selection of CPU overclocking options to achieve desired CPU internal frequency.
Configuration options: [Manual] [Auto] [D.O.C.P]
The following two (2) items appear only when you set the Ai Overclock Tuner item to
[Manual].
CPU Bus Frequency [XXX]
Displays the frequency sent by the clock generator to the system bus and PCI bus. Use the
<+> and <-> keys to adjust the CPU Bus frequency. You can also type the desired CPU Bus frequency using the numeric keypad. The values range from 200 to 600.
PCIE Frequency [XXX]
Use the <+> and <-> keys to adjust the PCIE frequency. You can also type the desired PCIE frequency using the numeric keypad. The values range from 100 to 200.
DRAM O.C. Profile [DDR3-1600MHz]
This item appears only when you set the Ai Overclock Tuner item to [D.O.C.P] and allows you to select a DRAM O.C. profile, which applies different settings to DRAM frequency,
DRAM timing and DRAM voltage. Configuration options: [DDR3-1600MHz] [DDR3-1800MHz]
[DDR3-1866MHz] [DDR3-2000MHz]
2.5.2 CPU Ratio [Auto]
Allows you to adjust the ratio between CPU Core Clock and CPU Bus Frequency. Use the
<+> and <-> keys to adjust the value. The valid value ranges vary according to your CPU model.
Chapter 2: BIOS setup 2-11
2-12
2.5.3 DRAM Frequency [Auto]
Allows you to set the DRAM frequency.
Configuration options: [Auto] [800MHz] [1067MHz] [1333MHz] [1600MHz]
2.5.4 CPU/NB Frequency [Auto]
Allows you to select the CPU/NB frequency.
Configuration options: [Auto] [800MHz] [1000MHz] [1200MHz] [1400MHz] [1600MHz]
[1800MHz] [2000MHz]
2.5.5 HT Link Speed [Auto]
Allows you to set the CPU-Northbridge HyperTransport link speed.
Configuration options: [Auto] [200 MHz] [400 MHz] [600 MHz] [800 MHz] [1000 MHz]
[1200 MHz] [1400 MHz] [1600 MHz] [1800 MHz] [2000 MHz]
2.5.6 DRAM Timing Configuration
The configuration options for some of the following items vary depending on the DIMMs you install on the motherboard.
DRAM CAS# Latency [Auto]
Configuration options: [Auto] [4 CLK] – [12 CLK]
DRAM RAS# to CAS# Delay [Auto]
Configuration options: [Auto] [5 CLK] – [12 CLK]
DRAM RAS# PRE Time [Auto]
Configuration options: [Auto] [5 CLK] – [12 CLK]
DRAM RAS# ACT Time [Auto]
Configuration options: [Auto] [15 CLK] – [30 CLK]
DRAM READ to PRE Time [Auto]
Configuration options: [Auto] [4 CLK] [5 CLK] [6 CLK] [7 CLK]
DRAM Row Cycle Time [Auto]
Configuration options: [Auto] [11 CLK] – [41 CLK]
DRAM WRITE Recovery Time [Auto]
Configuration options: [Auto] [5 CLK] [6 CLK] [7 CLK] [8 CLK] [10 CLK] [12 CLK]
DRAM RAS# to RAS# Delay [Auto]
Configuration options: [Auto] [4 CLK] [5 CLK] [6 CLK] [7 CLK]
DRAM READ to WRITE Delay [Auto]
Configuration options: [Auto] [3 CLK] – [17 CLK]
DRAM WRITE to READ Delay(DD) [Auto]
Configuration options: [Auto] [2 CLK] – [10 CLK]
DRAM WRITE to READ Delay(SD) [Auto]
Configuration options: [Auto] [4 CLK] [5 CLK] [6 CLK] [7 CLK]
ASUS M4N75TD
DRAM WRITE to WRITE Timing [Auto]
Configuration options: [Auto] [3 CLK] – [10 CLK]
DRAM READ to READ Timing [Auto]
Configuration options: [Auto] [3 CLK] – [10 CLK]
DRAM REF Cycle Time [Auto]
Configuration options: [Auto] [90ns] [110ns] [160ns] [300ns] [350ns]
DRAM Refresh Rate [Auto]
Configuration options: [Auto] [Every 7.8ms] [Every 3.9ms]
DRAM Command Rate [Auto]
Configuration options: [Auto] [1T] [2T]
2.5.7 DRAM Driving Configuration
The configuration options for some of the following items vary depending on the DIMMs you install on the motherboard.
CKE drive strength [Auto]
Configuration options: [Auto] [1x] [1.25x] [1.5x] [2x]
CS/ODT drive strength [Auto]
Configuration options: [Auto] [1x] [1.25x] [1.5x] [2x]
ADDR/CMD drive strength [Auto]
Configuration options: [Auto] [1x] [1.25x] [1.5x] [2x]
MEMCLK drive strength [Auto]
Configuration options: [Auto] [0.75x] [1x] [1.25x] [1.5x]
Data drive strength [Auto]
Configuration options: [Auto] [0.75x] [1x] [1.25x] [1.5x]
DQS drive strength [Auto]
Configuration options: [Auto] [0.75x] [1x] [1.25x] [1.5x]
Processor ODT [Auto]
Configuration options: [Auto] [240 ohms +/- 20%] [120 ohms +/- 20%] [60 ohms +/- 20%]
The following six (6) items are adjusted by typing the desired values using the numeric keypad and press the <Enter> key. You can also use the <+> and <-> keys to adjust the value. To restore the default setting, type [auto] using the keyboard and press the <Enter> key.
2.5.8 Processor Voltage [Auto]
Allows you to set the CPU VCore voltage.
Chapter 2: BIOS setup 2-13
2-14
2.5.9 CPU/NB Voltage [Auto]
Allows you to set the CPU/NB voltage.
2.5.10 CPU VDDA Voltage [Auto]
This item appears only when you set the Ai Overclock Tuner item to [Manual] or [D.O.C.P], and allows you to set the CPU VDDA voltage. The values range from 2.50V to 2.80V with a
0.10V interval.
2.5.11 DRAM Voltage [Auto]
This item appears only when you set the Ai Overclock Tuner item to [Manual] or [D.O.C.P], and allows you to set the DRAM voltage. The values range from 1.20V to 2.20V with a 0.15V interval.
2.5.12 HT Voltage [Auto]
This item appears only when you set the Ai Overclock Tuner item to [Manual] or [D.O.C.P], and allows you to set the HyperTransport voltage. The values range from 1.20V to 1.50V with a 0.10V interval.
2.5.13 NB Voltage [Auto]
This item appears only when you set the Ai Overclock Tuner item to [Manual] or [D.O.C.P], and allows you to set the NorthBridge voltage. The values range from 1.10V to 1.40V with a
0.10V interval.
2.5.14 CPU/LDT Spread Spectrum [Disabled]
Set to [Disabled] to enhance CPU Bus overclocking ability or [Enabled] for EMI control.
Configuration options: [Disabled] [Enabled]
2.5.15 PCIE Spread Spectrum [Disabled]
Set to [Disabled] to enhance PCIE overclocking ability or [Linear Down] for EMI control.
Configuration options: [Disabled] [Linear Down]
2.5.16 SATA Spread Spectrum [Disabled]
Allows you to adjust the SATA spread spectrum setting.
Configuration options: [Disabled] [Linear Down]
2.5.17 PCI Spread Spectrum [Disabled]
This item becomes user-configurable only when you set the SATA Spread Spectrum item to [Linear Down]. We recommend that you leave this item to its default setting for system stability. Configuration options: [Disabled] [Linear Down]
ASUS M4N75TD
2.6 Advanced menu
The Advanced menu items allow you to change the settings for the CPU and other system devices.
Be cautious when changing the settings of the Advanced menu items. Incorrect field values can cause the system to malfunction.
BIOS SETUP UTILITY
Main Ai Tweaker Advanced Power Boot Tools Exit
Configure CPU.
CPU Configuration
Chipset
Onboard Devices Configuration
PCIPnP
USB Configuration
←→ Select Screen
↑↓ Select Item
Enter Go to Sub Screen
F1 General Help
F10 Save and Exit
ESC Exit v02.61 (C)Copyright 1985-2009, American Megatrends, Inc.
2.6.1 CPU Configuration
The items in this menu show the CPU-related information that the BIOS automatically detects.
GART Error Reporting [Disabled]
This option should remain disabled for the normal operation. The driver developer may enable it for testing purpose. Configuration options: [Disabled] [Enabled]
Microcode Updation [Enabled]
Allows you to enable or disable the microcode updation.
Configuration options: [Disabled] [Enabled]
Secure Virtual Machine Mode [Enabled]
Allows you to enable or disable the AMD Secure Virtual Machine mode (SVM).
Configuration options: [Disabled] [Enabled]
Cool’n’Quiet [Enabled]
Enables or disables the AMD Cool’n’Quiet function.
Configuration options: [Disabled] [Enabled]
ACPI SRAT Table [Enabled]
Enables or disables the building of ACPI SRAT table.
Configuration options: [Disabled] [Enabled]
C1E Support [Enabled]
Allows you to enable or disable the Enhanced Halt State support.
Configuration options: [Disabled] [Enable]
Chapter 2: BIOS setup 2-15
2-16
NVIDIA Core Calibration [Disabled]
Allows you to select the CPU core overclocking for each or all CPU cores.
Configuration options: [Disabled] [Auto] [All Cores] [Per Core]
Unleashing Mode [Disabled]
This item appears only when you set the NVIDIA Core Calibration item to [Auto], [Per
Core] or [All Cores]. Enabling this item allows the system to get full computing of the processor.
Core 0/1/2/3 NVCC Percentage [xx%]
This item appears only when you set the NVIDIA Core Calibration item to [Per Core] or [All Cores]. Use the <+> and <-> keys to adjust the NVCC voltage for Core 0/1/2/3.
2.6.2 Chipset
The Chipset menu allows you to change the advanced chipset settings. Select an item then press <Enter> to display the submenu.
NorthBridge Configuration
ECC Configuration
ECC Mode [Disabled]
Disables or sets the DRAM ECC mode that allows the hardware to report and correct memory errors. Set this item to [Basic], [Good], or [Max] to allow ECC mode auto-adjustment. Set this item to [Super] to adjust the DRAM BG Scrub sub-item manually. You may also adjust all sub-items by setting this item to [User].
Configuration options: [Disabled] [Basic] [Good] [Super] [Max] [User]
DRAM ECC Enable [Enabled]
Set this item to [Enabled] to allow hardware to report and correct memory errors automatically, maintaining system integrity. Configuration options: [Disabled] [Enabled]
DRAM SCRUB REDIRECT [Enabled]
Enables or disables the DRAM SCRUB REDIRECT feature that allows the system to correct the
DRAM ECC errors immediately when they occur. Configuration options: [Disabled] [Enabled]
4-Bit ECC Mode [Enabled]
Enables or disables the ECC chip kill feature. Configuration options: [Disabled] [Enabled]
DRAM BG SCRUB [Disabled]
Disables or sets the DRAM BG Scrub. Configuration options: [Disabled] [40ns] [80ns] [160ns]
[320ns] [640ns] [1.28us] [2.56us] [5.12us] [10.2us] [20.5us] [41.0us] [81.9us] [163.8us] [327.7us]
[655.4us] [1.31ms] [2.62ms] [5.24ms] [10.49ms] [20.97ms] [42.00ms] [84.00ms]
Data Cache BG Scrub [Disabled]
Disables or sets the Data Cache BG Scrub. This item allows the L1 Data Cache RAM to be corrected when idle. Configuration options: [Disabled] [40ns] [80ns] [160ns] [320ns] [640ns]
[1.28us] [2.56us] [5.12us] [10.2us] [20.5us] [41.0us] [81.9us] [163.8us] [327.7us] [655.4us]
[1.31ms] [2.62ms] [5.24ms] [10.49ms] [20.97ms] [42.00ms] [84.00ms]
L2/L3 Cache BG Scrub [Disabled]
Disables or sets the L2/L3 Cache BG Scrub. This item allows the L2/L3 Data Cache RAM to be corrected when idle. Configuration options: [Disabled] [40ns] [80ns] [160ns] [320ns] [640ns]
[1.28us] [2.56us] [5.12us] [10.2us] [20.5us] [41.0us] [81.9us] [163.8us] [327.7us] [655.4us]
[1.31ms] [2.62ms] [5.24ms] [10.49ms] [20.97ms] [42.00ms] [84.00ms]
ASUS M4N75TD
SouthBridge Configuration
Hybrid SLI support [Disabled]
Allows you to enable or disable the Hybrid SLI function if you install a Hybrid SLI-support graphics card. Configuration options: [Auto] [Disable].
Primary Graphics Adapter [PCIE VGA Card First]
Allows you to select which graphics controller to use as the primary boot device.
Configuration options: [PCI VGA Card First] [PCIE VGA Card First]
PCIE training [Gen2 if supported]
Configuration options: [Only Gen1] [Gen2 if supported]
SouthBridge ACPI HPET TABLE [Enabled]
Allows you to enable or disable the southbridge ACPI HPET (High Precision Event Timer).
Configuration options: [Disabled] [Enabled]
2.6.3 Onboard Devices Configuration
Onboard LAN [Enabled]
Allows you to enable or disable the onboard LAN.
Configuration options: [Enabled] [Disabled]
Onboard LAN Boot ROM [Disabled]
Allows you to enable or disable the onboard LAN Boot ROM.
Configuration options: [Disabled] [Enabled]
Onboard 1394 [Enabled]
Allows you to enable or disable the onboard 1394 device support.
Configuration options: [Disabled] [Enabled]
On-board AUDIO [Enabled]
Allows you to enable or disable the onboard Audio controller.
Configuration options: [Disabled] [Enabled]
Front Panel Select [HD Audio]
Allows you to set the front panel audio connector (AAFP) mode to legacy AC’97 or high-definition audio depending on the audio standard that the front panel audio module supports. Configuration options: [AC97] [HD Audio]
Serial Port1 Address [3F8/IRQ4]
Allows you to select the Serial Port1 base address.
Configuration options: [Disabled] [3F8/IRQ4][2F8/IRQ3] [3E8/IRQ4] [2E8/IRQ3]
2.6.4 PCIPnP
The PCI PnP menu items allow you to change the advanced settings for PCI/PnP devices.
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]
Chapter 2: BIOS setup 2-17
2-18
2.6.5 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 enable or disable the USB Functions.
Configuration options: [Enabled] [Disabled]
The following items appear only when you set USB Functions to [Enabled].
USB 2.0 Controller [Enabled]
Allows you to enable or disable the USB 2.0 controller.
Configuration options: [Enabled] [Disabled]
The following two items appear only when you set the USB 2.0 Controller item to
[Enabled].
Legacy USB Support [Enabled]
Allows you to enable or disable support for USB devices on legacy operating systems
(OS). 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 (480 Mbps) or Full Speed (12
Mbps). Configuration options: [FullSpeed] [HiSpeed]
ASUS M4N75TD
2.7 Power menu
The Power menu items allow you to change the settings for the Advanced Configuration and
Power Interface (ACPI) and the Advanced Power Management (APM). Select an item then press <Enter> to display the configuration options.
BIOS SETUP UTILITY
Main Ai Tweaker Advanced Power Boot Tools Exit
Suspend Mode
ACPI 2.0 Support
ACPI APIC support
[Auto]
[Disabled]
[Enabled]
Select the ACPI state used for System
Suspend.
APM Configuration
Hardware Monitor
←→ Select Screen
↑↓ Select Item
+- Change Option
F1 General Help
F10 Save and Exit
ESC Exit v02.61 (C)Copyright 1985-2009, American Megatrends, Inc.
2.7.1 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.
2.7.2 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]
2.7.3 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]
2.7.4 Hardware Monitor
CPU/MB Temperature [xxxºC/xxxºF]
The onboard hardware monitor automatically detects and displays the motherboard and CPU temperatures. Select [Ignored] if you do not wish to display the detected temperatures.
Chapter 2: BIOS setup 2-19
2-20
CPU Fan / Chassis Fan 1 / Chassis Fan 2 Speed [xxxxRPM] or [Ignored]
The onboard hardware monitor automatically detects and displays the CPU and chassis 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 / 3.3V / 5V / 12V Voltage
The onboard hardware monitor automatically detects the voltage output through the onboard voltage regulators. Select Ignored if you do not wish to display the detected voltage output.
CPU Q-Fan Function [Disabled]
Allows you to enable or disable the CPU Q-Fan feature that smartly adjusts the fan speeds for more efficient system operation. Configuration options: [Disabled] [Enabled]
Select Fan Type: [PWM Fan]
This item appears only when you set the CPU Q-Fan Function item to [Enabled] and allows you to select the CPU fan type you installed on the motherboard.
Configuration options: [PWM Fan] [DC Fan]
• If you install a PWM (4-pin) fan but set this item to [DC Fan], the fan you installed may not work.
• If you install a DC (3-pin) fan but set this item to [PWM Fan], the CPU Q-Fan function will not work, and the fan you install will always run at full speed.
CPU Q-Fan Mode [Silent]
Allows you to set the appropriate performance level of the CPU Q-Fan. When set to
[Optimal], the CPU fan automatically adjusts depending on the CPU temperature. Set this item to [Silent] to minimize fan speed for quiet CPU fan operation, or [Performance] to achieve the maximum CPU fan speed. Configuration options: [Performance] [Optimal] [Silent]
Chassis Q-Fan Function [Disabled]
Allows you to enable or disable the chassis Q-Fan feature that smartly adjusts the fan speeds for more efficient system operation. Configuration options: [Disabled] [Enabled]
Chassis Q-Fan Mode [Silent]
Allows you to set the appropriate performance level of the Chassis Q-Fan. When set to
[Optimal], the Chassis fan automatically adjusts depending on the Chassis temperature. Set this item to [Silent] to minimize fan speed for quiet Chassis fan operation, or [Performance] to achieve the maximum Chassis fan speed. Configuration options: [Performance] [Optimal]
[Silent]
ASUS M4N75TD
2.8 Boot menu
The Boot menu items allow you to change the system boot options. Select an item then press <Enter> to display the submenu.
BIOS SETUP UTILITY
Main Ai Tweaker Advanced Power Boot Tools Exit
Boot Settings
Boot Device Priority
Specifies the Boot
Device Priority sequence.
Boot Settings Configuration
Security
A virtual floppy disk drive (Floppy Drive B:
) may appear when you set the CD-ROM drive as the first boot device.
←→ Select Screen
↑↓ Select Item
Enter Go to Sub Screen
F1 General Help
F10 Save and Exit
ESC Exit v02.61 (C)Copyright 1985-2009, American Megatrends, Inc.
2.8.1 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: [1st FLOPPY DRIVE] [Hard Drive] [ATAPI CD-ROM] [Disabled]
2.8.2 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 MyLogo 2™ 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]
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]
Chapter 2: BIOS setup 2-21
2-22
2.8.3 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. From the password box, type a password composed of at least six letters and/or numbers, 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 as in setting a supervisor password.
To clear the supervisor password, select the Change Supervisor Password then press
<Enter>. 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 1.9 Jumper s 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.
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. On the password box that appears, type a password composed of at least six letters and/or numbers, 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 as in setting a user password.
ASUS M4N75TD
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]
2.9 Tools menu
BIOS SETUP UTILITY
Main Ai Tweaker Advanced Power Boot Tools Exit
ASUS EZ Flash 2
Express Gate
Enter OS Timer
Reset User Data
ASUS O.C. Profile
AI NET 2
[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)
←→ Select Screen
↑↓ Select Item
Enter Go to Sub Screen
F1 General Help
F10 Save and Exit
ESC Exit v02.61 (C)Copyright 1985-2009, American Megatrends, Inc.
2.9.1 ASUS EZ Flash 2
Allows you to run ASUS EZ Flash 2. When you press <OK> , a confirmation message appears. Use the left/right arrow key to select between [Yes] or [No] , then press <OK> to confirm your choice.
2.9.2 Express Gate [Auto]
Allows you to enable or disable the ASUS Express Gate feature. The ASUS Express Gate feature is a unique instant-on environment that provides quick access to the Internet browser 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]
Chapter 2: BIOS setup 2-23
2-24
Reset User Data [No]
Allows you to clear Express Gate’s user data.
Configuration options: [No] [Reset]
When setting this item to [Reset], make sure 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.
2.9.3 ASUS O.C. Profile
This item allows you to store or load multiple BIOS settings.
Add Your CMOS Profile.
Allows you to save the current BIOS file to the BIOS Flash. In the Name sub-item, type your profile name and press <Enter>, and then choose a profile number to save your CMOS settings in the Save To sub-item. You can save eight (8) CMOS profiles.
Load CMOS Profile.
Allows you to load the previous BIOS settings saved in the BIOS Flash. Press <Enter>, and choose a profile to load.
Start O.C. Profile
Allows you to run the utility to save and load CMOS. Press <Enter> to run the utility.
• This function can support devices such as a USB flash disk or a floppy disk with FAT
32/16 format and single partition only.
• DO NOT shut down or reset the system while updating the BIOS to prevent the system boot failure!
• We recommend that you update the BIOS file only coming from the same memory/CPU configuration and BIOS version.
• Only the “xxx.CMO” file can be loaded.
2.9.4 AI NET 2
Check Broadcom Phy LAN cable [Disabled]
Enables or disables checking of the Broadcom LAN cable during the Power-On Self-Test
(POST). Configuration options: [Disabled] [Enabled]
ASUS M4N75TD
2.10 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 Ai Tweaker 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.
←→ Select Screen
↑↓ Select Item
Enter Go to Sub Screen
F1 General Help
F10 Save and Exit
ESC Exit v02.61 (C)Copyright 1985-2009, American Megatrends, Inc.
Pressing <Esc> does not immediately exit this menu. Select one of the options from this menu or <F10> from the legend bar to exit.
Exit & Save Changes
Once you are finished making your selections, choose this option from the Exit menu to ensure the values you selected are saved to the CMOS RAM. An onboard backup battery sustains the CMOS RAM so it stays on even when the PC is turned off. When you select this option, a confirmation window appears. Select OK to save changes and exit.
If you attempt to exit the Setup program without saving your changes, the program prompts you with a message asking if you want to save your changes before exiting. Press <Enter> to save the changes while exiting.
Exit & Discard Changes
Select this option only if you do not want to save the changes that you made to the
Setup program. If you made changes to fields other than System Date, System Time, and
Password, the BIOS asks for a confirmation before exiting.
Discard Changes
This option allows you to discard the selections you made and restore the previously saved values. After selecting this option, a confirmation appears. Select OK to discard any changes and load the previously saved values.
Load Setup Defaults
This option allows you to load the default values for each of the parameters on the Setup menus. When you select this option or if you press <F5>, a confirmation window appears.
Select OK to load default values. Select Exit & Save Changes or make other changes before saving the values to the non-volatile RAM.
Chapter 2: BIOS setup 2-25
2-26 ASUS M4N75TD
ASUS contact information
ASUSTeK COMPUTER INC.
Address
Telephone
Fax
Web site
15 Li-Te Road, Peitou, Taipei, Taiwan 11259
+886-2-2894-3447
+886-2-2890-7798 [email protected]
www.asus.com.tw
Technical Support
Telephone
Online support
+86-21-38429911 support.asus.com
ASUS COMPUTER INTERNATIONAL (America)
Address
Telephone
Fax
Web site
800 Corporate Way, Fremont, CA 94539, USA
+1-812-282-3777
+1-510-608-4555 usa.asus.com
Technical Support
Telephone
Support fax
Online support
+1-812-282-2787
+1-812-284-0883 support.asus.com
ASUS COMPUTER GmbH (Germany and Austria)
Address
Fax
Web site
Online contact
Harkort Str. 21-23, D-40880 Ratingen, Germany
+49-2102-959911 www.asus.de
www.asus.de/sales
Technical Support
Telephone
Support Fax
Online support
+49-1805-010923
+49-2102-9599-11 support.asus.com
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Key Features
- AMD Socket AM3
- ATX
- 4 ECC Non-ECC Maximum internal memory: 16 GB
- 64 Mbit ACPI version: 2.0
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