No part of this manual, including the products and software described in it, may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any
means, except documentation kept by the purchaser for backup purposes, without the express written
permission of ASUSTeK COMPUTER INC. (“ASUS”).
Product warranty or service will not be extended if: (1) the product is repaired, modied or altered, unless
such repair, modication of alteration is authorized in writing by ASUS; or (2) the serial number of the
product is defaced or missing.
ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS
DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS,
LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE),
EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY
DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.
SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR
INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE,
AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO
RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS
MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.
Products and corporate names appearing in this manual may or may not be registered trademarks or
copyrights of their respective companies, and are used only for identication or explanation and to the
owners’ benet, without intent to infringe.
Offer to Provide Source Code of Certain Software
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 dened 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
(1) for free by downloading it from http://support.asus.com/download;
or
(2) for the cost of reproduction and shipment, which is dependent on the preferred carrier and the location
where you want to have it shipped to, by sending a request to:
ASUSTeK Computer Inc.
Legal Compliance Dept.
15 Li Te Rd.,
Beitou, Taipei 112
Taiwan
In your request please provide the name, model number and version, as stated in the About Box of the
product for which you wish to obtain the corresponding source code and your contact details so that we
can coordinate the terms and cost of shipment with you.
The source code will be distributed WITHOUT ANY WARRANTY and licensed under the same license as
the corresponding binary/object code.
This offer is valid to anyone in receipt of this information.
ASUSTeK is eager to duly provide complete source code as required under various Free Open Source
Software licenses. If however you encounter any problems in obtaining the full corresponding source code
we would be much obliged if you give us a notication to the email address gpl@asus.com, stating the
product and describing the problem (please do NOT send large attachments such as source code archives
etc to this email address).
ii
Contents
Contents ...................................................................................................................... iii
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions:
• This device may not cause harmful interference, and
• This device must accept any interference received including interference that may cause
undesired operation.
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with manufacturer’s instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not occur
in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user
is encouraged to try to correct the interference by one or more of the following measures:
•
Reorient or relocate the receiving antenna.
•
Increase the separation between the equipment and receiver.
•
Connect the equipment to an outlet on a circuit different from that to which the receiver is
connected.
•
Consult the dealer or an experienced radio/TV technician for help.
The use of shielded cables for connection of the monitor to the graphics card is required
to assure compliance with FCC regulations. Changes or modications to this unit not
expressly approved by the party responsible for compliance could void the user’s authority
to operate this equipment.
Canadian Department of Communications Statement
This digital apparatus does not exceed the Class B limits for radio noise emissions from
digital apparatus set out in the Radio Interference Regulations of the Canadian Department
of Communications.
This class B digital apparatus complies with Canadian ICES-003.
REACH
Complying with the REACH (Registration, Evaluation, Authorisation, and Restriction of
Chemicals) regulatory framework, we published the chemical substances in our products at
ASUS REACH website at http://csr.asus.com/english/REACH.htm.
DO NOT throw the motherboard in municipal waste. This product has been designed to
enable proper reuse of parts and recycling. This symbol of the crossed out wheeled bin
indicates that the product (electrical and electronic equipment) should not be placed in
municipal waste. Check local regulations for disposal of electronic products.
DO NOT throw the mercury-containing button cell battery in municipal waste. This symbol
of the crossed out wheeled bin indicates that the battery should not be placed in municipal
waste.
vi
Safety information
Electrical safety
• To prevent electrical shock hazard, disconnect the power cable from the electrical outlet
before relocating the system.
• When adding or removing devices to or from the system, ensure that the power cables
for the devices are unplugged before the signal cables are connected. If possible,
disconnect all power cables from the existing system before you add a device.
• Before connecting or removing signal cables from the motherboard, ensure that all
power cables are unplugged.
• Seek professional assistance before using an adapter or extension cord. These devices
could interrupt the grounding circuit.
• Ensure that your power supply is set to the correct voltage in your area. If you are not
sure about the voltage of the electrical outlet you are using, contact your local power
company.
• If the power supply is broken, do not try to x it by yourself. Contact a qualied service
technician or your retailer.
Operation safety
• Before installing the motherboard and adding devices on it, carefully read all the manuals
that came with the package.
• Before using the product, ensure all cables are correctly connected and the power
cables are not damaged. If you detect any damage, contact your dealer immediately.
• To avoid short circuits, keep paper clips, screws, and staples away from connectors,
slots, sockets and circuitry.
• Avoid dust, humidity, and temperature extremes. Do not place the product in any area
where it may become wet.
• Place the product on a stable surface.
• If you encounter technical problems with the product, contact a qualied service
technician or your retailer.
vii
About this guide
This user guide contains the information you need when installing and conguring the motherboard.
How this guide is organized
This guide contains the following parts:
• Chapter 1: Product introduction
This chapter describes the features of the motherboard and the new technology it
supports.
• Chapter 2: Hardware information
This chapter lists the hardware setup procedures that you have to perform when
installing system components. It includes description of the switches, jumpers, and
connectors on the motherboard.
• Chapter 3: BIOS setup
This chapter tells how to change system settings through the BIOS Setup menus.
Detailed descriptions of the BIOS parameters are also provided.
• Chapter 4: Software support
This chapter describes the contents of the support DVD that comes with the
motherboard package and the software.
• Chapter 5: Multiple GPU technology support
This chapter describes how to install and congure multiple ATI® CrossFireX™ and
NVIDIA® SLI™ graphics cards.
Where to nd more information
Refer to the following sources for additional information and for product and software updates.
1. ASUS websites
The ASUS website provides updated information on ASUS hardware and software
products. Refer to the ASUS contact information.
2. Optional documentation
Your product package may include optional documentation, such as warranty yers,
that may have been added by your dealer. These documents are not part of the
standard package.
viii
Conventions used in this guide
To ensure that you perform certain tasks properly, take note of the following symbols used
throughout this manual.
DANGER/WARNING: Information to prevent injury to yourself when trying to
complete a task.
CAUTION: Information to prevent damage to the components when trying to
complete a task.
IMPORTANT: Instructions that you MUST follow to complete a task.
NOTE: Tips and additional information to help you complete a task.
Typography
Bold text Indicates a menu or an item to select.
Italic
s Used to emphasize a word or a phrase.
<Key> Keys enclosed in the less-than and greater-than sign means
that you must press the enclosed key.
Example: <Enter> means that you must press the Enter or
Return key.
<Key1> + <Key2> + <Key3> If you must press two or more keys simultaneously, the key
ASUS EFI BIOS EZ Mode featuring friendly graphics user
interface
AI Suite II
ASUS Q-Connector
ASUS Q-Shield
ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED)
ASUS Q-Slot
ASUS Q-DIMM
ASUS CrashFree BIOS 3
ASUS EZ Flash 2
ASUS MyLogo 2™
Multi-language BIOS
1 x Optical S/PDIF Out port
1 x Power eSATA 3.0 Gb/s port (green)
1 x eSATA 3.0 Gb/s port (red)
1 x IEEE 1394a port
1 x LAN (RJ-45) port
2 x USB 3.0/2.0 ports (blue)
8 x USB 2.0/1.1 ports
8-channel Audio I/O ports
(continued on the next page)
xi
SABERTOOTH P67 specications summary
Internal I/O connectors1 x USB 3.0/2.0 connector supports additional 2 USB ports
ManageabilityWfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE
Support DVD contentsDrivers
Form factorATX form factor: 12 in. x 9.6 in. (30.5 cm x 24.4 cm)
*Specications are subject to change without notice.
(19-pin; moss green)
3 x USB 2.0/1.1 connectors support additional 6 USB ports
4 x SATA 6.0 Gb/s connectors (2 x gray; 2 x brown)
4 x SATA 3.0 Gb/s connectors (black)
1 x CPU Fan connector (4-pin)
2 x Chassis Fan connectors (1 x 4-pin, 1 x 3-pin)
1 x Power Fan connector (3-pin)
1 x Assistant Fan connector (3-pin)
1 x IEEE1394a connector
Front panel audio connector
1 x COM connector
1 x S/PDIF Out header
24-pin EATX Power connector
8-pin EATX 12V Power connector
System Panel (Q-Connector)
1 x MemOK! button
1 x Clear CMOS jumper
SM BIOS 2.5, ACPI 2.0a, Multi-language BIOS,
ASUS EZ Flash 2, ASUS CrashFree BIOS 3
ASUS Utilities
ASUS Update
Anti-virus software (OEM version)
xii
Chapter 1
User Manual
Five-year warranty
Chapter 1: Product introduction
1.1 Welcome!
Thank you for buying an ASUS® SABERTOOTH P67 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.
ASUS SABERTOOTH P67
motherboard
2 x Serial ATA 6.0 Gb/s cables2 x Serial ATA 3.0 Gb/s cables
1 x ASUS Q-Shield4 x Screws for assistant fan1 x 2-in-1 ASUS Q-Connector kit
User guideSupport DVD
1 x ASUS SLI™ bridge
connector
Chapter 1
ASUS SABERTOOTH P671-1
1 x TUF Certication card1 x TUF Five-year warranty manual (by region)
• If any of the above items is damaged or missing, contact your retailer.
• The illustrated items above are for reference only. Actual product specications may
vary with different models.
1.3 Special features
1.3.1 Product highlights
Chapter 1
LGA1155 socket for Intel® Second Generation Core™ i7 / Core™ i5 / Core™ i3
Processors
This motherboard supports the Intel® second generation Core™ i7 / Core™ i5 / Core™ i3
processors in LGA1155 package with memory and PCI Express controllers integrated to
support 2-channel (4 DIMMs) DDR3 memory and 16 PCI Express 2.0 lanes. This provides
great graphics performance. Intel® second generation Core™ i7 / Core™ i5 / Core™ i3
processors are among the most powerful and energy efcient CPUs in the world. Refer to
page 2-4 for details.
Intel® P67 Express Chipset
The Intel® P67 Express Chipset is the latest single-chipset design to support the new 1155
socket Intel® Core™ i7 / Core™ i5 / Core™ i3 second generation processors. It uses serial
point-to-point links, which allows increased bandwidth and stability, and provides an improved
performance. It also provides two SATA 6.0 Gb/s and four SATA 3.0 Gb/s ports for faster data
retrieval at double the bandwidth of current bus systems.
Quad-GPU SLI™ and Quad-GPU CrossFireX™ Support
The motherboard’s powerful Intel® P67 platform optimizes PCIe allocation in multiple-GPU
congurations of either SLI™ or CrossFireX™. This allows you to enjoy a never
before-experienced brand new gaming style. Refer to Chapter 5 for details.
The motherboard supports DDR3 memory that features data transfer rates of 1866 / 1800 /
1600 / 1333 / 1066 MHz to meet the higher bandwidth requirements of the latest 3D graphics,
multimedia, and Internet applications. The dual-channel DDR3 architecture enlarges the
bandwidth of your system memory to boost system performance. Refer to page 2-5 for details.
* Due to CPU behavior, DDR3 1800 MHz memory module will run at DDR3 1600 MHz frequency as
default.
Complete USB 3.0 Solution
ASUS facilitates strategic USB 3.0 accessibility for both the front and rear panel – 4 USB
3.0 ports in total. Experience the latest plug & play connectivity at speeds up to 10 times
faster than USB 2.0. The SABERTOOTH P67 affords greater convenience to high speed
connectivity. Refer to pages 2-18 and 2-36 for details.
Extra SATA 6.0 Gb/s Support
The Intel® P67 Express Chipset natively supports the next-generation Serial ATA (SATA)
interface, delivering up to 6.0 Gb/s data transfer. ASUS provides extra SATA 6.0 Gb/s ports
with enhanced scalability, faster data retrieval, and double the bandwidth of current bus
systems. Refer to page 2-15 for details.
Front Panel USB 3.0 Support
ASUS provides standardized USB 3.0 front panel support which is compatible with any
chassis. Enjoy faster throughput of USB 3.0 without relegating cables or devices to the
hard-to-reach rear I/O.
1-2Chapter 1: Product Introduction
1.3.2 “Ultimate COOL!” Thermal Solutions
TUF Thermal Armor
The TUF Thermal Armor is the world’s rst ever thermal design for the entire motherboard,
not just for select critical areas. It safeguards the system against hot air generated by
connected cards and components, keeping temps down. With its sophisticated and agile
integrated shunt design, the Thermal Armor improves cool air circulation, directing it towards
every important part for a complete motherboard cool down. It effectively conducts hot air
away and out of the case through special airow channels, contributing to enhanced system
stability and extending component lifespan.
TUF Thermal Radar
The TUF Thermal Radar monitors temps in critical parts of the motherboard in real time,
automatically adjusting fan speeds to make sure the system maintains high stability without
overheating. It consists of multiple sensors for various components on the motherboard,
giving user the ability to monitor each one individually. The Thermal Radar automatically
calculates ideal fan speeds based on different parameters selected by users for each
component, keeping everything cooler and longer lasting.
1.3.3 “TUF ENGINE!” Power Design
DIGI+ VRM
The new ASUS DIGI+ VRM design upgrades motherboard power delivery to a digital
standard. The 8+2 digital architecture provides the highest power efciency, generating less
heat to enhance longer component lifespan and ensure minimal powerloss. With ASUS
DIGI+ VRM, you can easily adjust power phase performance, enabling new PWM voltage
and frequency modulation controls. Digital 8+2 power phase design also expands the
modulation spectrum for improved stability and lower VRM switching noise by dynamically
detecting system load, empowering you with superior exibility and perfect precision to
ensure optimized performance, extreme system stability, and greater power efciency.
Chapter 1
TUF Components (Alloy Choke, Cap. & MOSFET; certied by military-standard)
Get rugged performance even in the most challenging conditions with robust TUF chokes,
solid capacitors, and MOSFETs – certied through third-party, military-grade testing. TUF
chokes, also known as the “Alloy Choke”, is a made of compound of various types of metal
instead standard iron, enables the support of up to a massive 40A of rated current, 25%
higher than conventional component. Furthermore, the single piece packaging also elimates
the emission of vibration noise, delivering superb characteristics as well as durability under
extreme conditions.
ASUS SABERTOOTH P671-3
1.3.4 “Safe & Stable!” Guardian Angel
MemOK!
Chapter 1
MemOK! quickly ensures memory boot compatibility. This remarkable memory rescue tool
requires a mere push of a button to patch memory issues. MemOK! determines failsafe
settings and dramatically improves your system boot success. Refer to page 2-13 for details.
ESD Guards
ESD (Electrostatic Discharge) Guards provides protection against electrostatic discharges,
which can damage the motherboard’s components. The ASUS exclusive Anti-Static chip
and circuit design, and the I/O shield provide four times better protection and ensure the
motherboard’s lifespan.
1.3.5 ASUS EZ DIY
ASUS EFI BIOS (EZ Mode)
ASUS brand new EFI BIOS offers a user-friendly interface that goes beyond traditional
keyboard BIOS input to enable more exible and convenient mouse controls. You can easily
navigate the new EFI BIOS with the same smoothness as their operating system. The
exclusive EZ Mode displays frequently-accessed setup info, while the Advanced Mode is for
experienced performance enthusiasts that demand far more intricate system settings. Refer
to Chapter 3 for details.
AI Suite II
With its user-friendly interface, ASUS AI Suite II consolidates all the exclusive ASUS features
into one simple to use software package. It allows you to supervise energy management, fan
speed control, voltage and sensor readings. This all-in-one software offers diverse and ease
to use functions, with no need to switch back and forth between different utilities. Refer to
page 4-3 for details.
ASUS Q-Design
ASUS Q-Design enhances your DIY experience. All of Q-LED, Q-Slot, and Q-DIMM design
speed up and simplify the DIY process!
ASUS Q-Shield
ASUS Q-Shield’s special design makes it convenient and easy to install on your
motherboard. With better electric conductivity, it ideally protects your motherboard against
static electricity and shields it against Electronic Magnetic Interference (EMI).
ASUS Q-Connector
ASUS Q-Connector allows you to easily connect or disconnect the chassis front panel cables
to the motherboard. This unique module eliminates the trouble of connecting the system panel
cables one at a time and avoiding wrong cable connections. Refer to page 2-34 for details.
1-4Chapter 1: Product Introduction
ASUS EZ-Flash 2
ASUS EZ Flash 2 is a user-friendly utility that allows you to update the BIOS without using a
bootable oppy disk or an OS-based utility. Refer to page 3-33 for details.
ASUS MyLogo2™
This feature allows you to convert your favorite photo into a 256-color boot logo for a more
colorful and vivid image on your screen.
ASUS Multi-language BIOS
The multi-language BIOS allows you to select the language of your choice from the available
options. The localized BIOS setup menu helps you congure your system easier and faster.
1.3.6 Other special features
Power eSATA on the Go
The Power eSATA solution combines the eSATA connector and power source together,
allowing you to use external SATA devices without the need of additional power source*.
Easily backup photos, videos and other entertainment contents on external devices.
* Power eSATA requires a specially designed signal cable to provide 5V power for the external
SATA device. The cable is purchased separately.
ErP Ready
The motherboard is European Union’s Energy-related Products (ErP) ready, and ErP requires
products to meet certain energy efciency requirement in regards to energy consumptions.
This is in line with ASUS vision of creating environment-friendly and energy-efcient products
through product design and innovation to reduce carbon footprint of the product and thus
mitigate environmental impacts.
Chapter 1
ASUS SABERTOOTH P671-5
Chapter 1
1-6Chapter 1: Product Introduction
Chapter 2
Chapter 2: Hardware information
2.1 Before you proceed
Take note of the following precautions before you install motherboard components or change
any motherboard settings.
• Unplug the power cord from the wall socket before touching any component.
• Before handling components, use a grounded wrist strap or touch a safely grounded
object or a metal object, such as the power supply case, to avoid damaging them due
to static electricity.
• Hold components by the edges to avoid touching the ICs on them.
• Whenever you uninstall any component, place it on a grounded antistatic pad or in the
bag that came with the component.
• Before you install or remove any component, ensure that the ATX power supply is
switched off or the power cord is detached from the power supply. Failure to do so
may cause severe damage to the motherboard, peripherals, or components.
ASUS SABERTOOTH P672-1
2.2 Motherboard overview
2.2.1 Motherboard layout
Chapter 2
Refer to
2.2.8 Internal connectors
information about rear panel connectors and internal connectors.
2-2Chapter 2: Hardware information
and
2.3.10 Rear panel connection
for more
Layout contents
Connectors/Jumpers/SlotsPage
1. ATX power connectors (24-pin EATXPWR, 8-pin EATX12V)2-21
2. CPU, chassis, power, and assistant fan connectors
(4-pin CPU_FAN, 4-pin CHA_FAN1, 3-pin CHA_FAN2,
3-pin PWR_FAN, 3-pin ASST_FAN)
3. LGA1155 CPU socket
4. DDR3 DIMM slots
5. MemOK! switch
6. USB 3.0 connector (20-1 pin USB3_34)
®
7. Marvell
Serial ATA 6.0 Gb/s connectors
(7-pin SATA6G_E1/E2 [gray])
®
8. Intel
P67 Serial ATA 6.0 Gb/s connectors
(7-pin SATA6G_1/2 [brown])
®
9. Intel
P67 Serial ATA 3.0 Gb/s connectors
(7-pin SATA3G_3–6 [black])
10. Clear RTC RAM (3-pin CLRTC)
11. System panel connector (20-8 pin PANEL)
12. Serial port connector (10-1 pin COM1)
13. Standby power LED (SB_PWR)
14. USB 2.0 connectors (10-1 pin USB910, USB1112, USB1314)
15. IEEE 1394a port connector (10-1 pin IE1394_2)
16. Digital audio connector (4-1 pin SPDIF_OUT)
17. Front panel audio connector (10-1 pin AAFP)
2-20
2-4
2-5
2-13
2-18
2-17
2-15
2-16
2-12
2-23
2-17
2-14
2-18
2-19
2-19
2-21
Chapter 2
ASUS SABERTOOTH P672-3
2.2.2 Central Processing Unit (CPU)
The motherboard comes with a surface mount LGA1155 socket designed for the Intel®
2nd Generation Core™ i7 / Core™ i5 / Core™ i3 Processors.
Chapter 2
Ensure that all power cables are unplugged before installing the CPU.
• The LGA1156 CPU is incompatible with the LGA1155 socket. DO NOT install a
LGA1156 CPU on the LGA1155 socket.
• Upon purchase of the motherboard, ensure that the PnP cap is on the socket and
the socket contacts are not bent. Contact your retailer immediately if the PnP cap
is missing, or if you see any damage to the PnP cap/socket contacts/motherboard
components. ASUS will shoulder the cost of repair only if the damage is shipment/
transit-related.
• Keep the cap after installing the motherboard. ASUS will process Return Merchandise
Authorization (RMA) requests only if the motherboard comes with the cap on the
LGA1155 socket.
• The product warranty does not cover damage to the socket contacts resulting from
incorrect CPU installation/removal, or misplacement/loss/incorrect removal of the PnP
cap.
2-4Chapter 2: Hardware information
2.2.3 System memory
The motherboard comes with four Double Data Rate 3 (DDR3) Dual Inline Memory Modules
(DIMM) slots.
A DDR3 module is notched differently from a DDR or DDR2 module. DO NOT install a DDR
or DDR2 memory module to the DDR3 slot.
Recommended memory congurations
Chapter 2
ASUS SABERTOOTH P672-5
Memory congurations
You may install 1GB, 2GB and 4GB unbuffered and non-ECC DDR3 DIMMs into the DIMM
sockets.
Chapter 2
• You may install varying memory sizes in Channel A and Channel B. The system maps
the total size of the lower-sized channel for the dual-channel conguration. Any excess
memory from the higher-sized channel is then mapped for single-channel operation.
• Due to CPU behavior, DDR3 1800 MHz memory module will run at DDR3 1600 MHz
frequency as default.
• The max. 32GB memory capacity can be supported with DIMMs of 8GB (or above).
ASUS will update QVL once the DIMMs are available on the market.
• According to Intel CPU spec, DIMM voltage below 1.65V is recommended to protect
the CPU.
• 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 do any of the
following:
- Use a maximum of 3GB system memory if you are using a 32-bit Windows OS.
- Install a 64-bit Windows OS when you want to install 4GB or more on the
motherboard.
For more details, refer to the Microsoft® support site at
http://support.microsoft.com/kb/929605/en-us.
• 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
frequency adjustment.
• For system stability, use a more efcient memory cooling system to support a full
Side(s): SS - Single-sided DS - Double-sided
DIMM support:
• 1 DIMM:
•
Supports one (1) module inserted into any slot as Single-channel memory
conguration.
Supports two (2) modules inserted into either the beige slots or the brown
2 DIMMs:
We suggest that you install the module into A2 slot.
slots as one pair of Dual-channel memory conguration.
you install the modules into slots A2 and B2 for better compatibility.
• 4 DIMMs:
Supports four (4) modules inserted into both the beige and brown slots as
two pairs of Dual-channel memory conguration.
• ASUS exclusively provides hyper DIMM support function.
• Hyper DIMM support is subject to the physical characteristics of individual CPUs. Load
the X.M.P. or D.O.C.P. settings in the BIOS for the hyper DIMM support.
• Visit the ASUS website for the latest QVL.
DIMM socket support
(Optional)
1 DIMM 2 DIMM 4 DIMM
We suggest that
Chapter 2
ASUS SABERTOOTH P672-9
2.2.4 Expansion slots
Chapter 2
Ensure to unplug the power cord before adding or removing expansion cards. Failure to do
so may cause you physical injury and damage motherboard components.
Slot No. Slot Description
1PCIe 2.0 x1_1 slot
2PCIe 2.0 x16_1 slot (single at x16 or dual at x8/x8 mode)
3PCIe 2.0 x1_2 slot
4PCIe 2.0 x1_3 slot
5PCIe 2.0 x16_2 slot (at x8 mode)
6PCI slot 1
VGA conguration
Single VGA/PCIe card
Dual VGA/PCIe card
2-10Chapter 2: Hardware information
PCI Express operating mode
PCIe 2.0 x16_1PCIe 2.0 x16_2
x16
(Recommend for single VGA)
x8x8
N/A
• In single VGA card mode, use the PCIe 2.0 x16_1 slot (beige) for a PCI Express x16
graphics card to get better performance.
• In CrossFireX™ or SLI™ mode, use the PCIe 2.0 x16_1 and PCIe 2.0 x16_2 slots for
PCI Express x16 graphics cards to get better performance.
• We recommend that you provide sufcient power when running CrossFireX™ or SLI™
mode. Refer to page 2-22 for details.
• Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2 when using
multiple graphics cards for better thermal environment. See page 2-20 for details.
PCIe 2.0 x1_2
conguration
U3 Mode
X1 Mode
* Refer to page 3-20 for details.
PCI Express sharing mode
PCIe 2.0 x1_2USB3_34
N/AEnabled
x1Disabled
IRQ assignments for this motherboard
ABCDEFGH
Intel PCH SATA
Controller #0
Intel PCH SATA
Controller #1
PCIE x16_1shared–––––––
PCIE x16_2shared–––––––
PCIE x1_1shared–––––––
PCIE x1_2/USB3.0_2–shared––––––
PCIE x1_3––shared–––––
Intel LAN–shared––––––
USB 2.0 Controller 1–––––––shared
USB 2.0 Controller 2–––––––shared
USB 3.0_1shared–––––––
Marvell 9120––shared––––
JMB ATA Controller––shared––––
1394 Controller–shared––––––
HD Audio–––––shared–
PCI slot 1––shared–––––
––––shared–––
––––shared–––
Chapter 2
ASUS SABERTOOTH P672-11
2.2.5 Jumper
Clear RTC RAM (3-pin CLRTC)
This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the
CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM
data. The onboard button cell battery powers the RAM data in CMOS, which include system
setup information such as system passwords.
Chapter 2
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
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
for about 5–10 seconds, then move the cap back to pins 1-2.
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.
2-12Chapter 2: Hardware information
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