Asus P7P55 - WS SuperComputer Motherboard User manual

Motherboard
P7P55 WS
Supercomputer

ii
E5071
Second Edition
September 2009
Copyright © 2009 ASUSTeK COMPUTER INC. All Rights Reserved.
No part of this manual, including the products and software described in it, may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any
means, except documentation kept by the purchaser for backup purposes, without the express written
permission of ASUSTeK COMPUTER INC. (“ASUS”).


product 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



iii
Contents
Notices....................................................................................................... viii
Safety information ...................................................................................... ix
About this guide .......................................................................................... x
.............................. xii
Chapter 1: Product introduction
1.1 Welcome! ...................................................................................... 1-1
1.2 Package contents......................................................................... 1-1
1.3 Special features............................................................................ 1-2
1.3.1 Product highlights ........................................................... 1-2
1.3.2 ASUS Xtreme Design—Hybrid Processor ...................... 1-2
1.3.3 ASUS Hybrid Phase........................................................ 1-3
1.3.4 ASUS Hybrid OS............................................................. 1-3
1.3.5 ASUS Exclusive Features............................................... 1-3
Chapter 2: Hardware information
2.1 Before you proceed ..................................................................... 2-1
2.2 Motherboard overview................................................................. 2-2
2.2.1 Motherboard layout ......................................................... 2-2
2.2.2 Layout contents............................................................... 2-3
2.2.3 Placement direction ........................................................ 2-4
2.2.4 Screw holes .................................................................... 2-4
2.3 Central Processing Unit (CPU) ................................................... 2-5
2.3.1 Installing the CPU ........................................................... 2-6
2.3.2 Installing the CPU heatsink and fan................................ 2-9
2.3.3 Uninstalling the CPU heatsink and fan ......................... 2-10
2.4 System memory ......................................................................... 2-11
2.4.1 Overview ........................................................................2-11
 .................................................. 2-12
2.4.3 Installing a DIMM .......................................................... 2-17
2.4.4 Removing a DIMM ........................................................ 2-17
2.5 Expansion slots.......................................................................... 2-18
2.5.1 Installing an expansion card ......................................... 2-18
  ..................................... 2-18
2.5.3 Interrupt assignments ................................................... 2-19

iv
Contents
2.5.4 PCI slot ......................................................................... 2-19
2.5.5 PCI Express x1 slot....................................................... 2-20
2.5.6 PCI Express 2.0 x16 slots............................................. 2-20
2.6 Jumper ........................................................................................ 2-21
2.7 Connectors ................................................................................. 2-22
2.7.1 Rear panel connectors.................................................. 2-22
2.7.2 Audio I/O connections................................................... 2-23
2.7.3 Internal connectors ....................................................... 2-26
2.7.4 Onboard switches ......................................................... 2-34
2.8 Onboard LEDs............................................................................ 2-36
 ...................................................... 2-37
2.10 Turning off the computer........................................................... 2-38
2.10.1 Using the OS shut down function.................................. 2-38
2.10.2 Using the dual function power switch............................ 2-38
Chapter 3: BIOS setup
3.1 Managing and updating your BIOS ............................................ 3-1
3.1.1 ASUS Update utility ........................................................ 3-1
3.1.2 ASUS EZ Flash 2 utility................................................... 3-4
3.1.3 BUPDATER utility............................................................ 3-5
3.1.4 ASUS CrashFree BIOS 3 utility ...................................... 3-6
3.2 BIOS setup program .................................................................... 3-7
3.2.1 BIOS menu screen.......................................................... 3-8
3.3.2 Menu bar......................................................................... 3-8
3.2.3 Navigation keys............................................................... 3-8
3.2.4 Menu items ..................................................................... 3-9
3.2.5 Submenu items ............................................................... 3-9
  ......................................................... 3-9
3.2.7 Pop-up window ............................................................... 3-9
3.2.8 Scroll bar......................................................................... 3-9
3.2.9 General help ................................................................... 3-9
3.3 Main menu .................................................................................. 3-10
3.3.1 System Time [xx:xx:xx] ................................................. 3-10
3.3.2 System Date [Day xx/xx/xxxx]....................................... 3-10
3.3.3 Language [English] ....................................................... 3-10

v
Contents
3.3.4 SATA 1-6 ........................................................................3-11
  ................................................... 3-13
  ....................................................... 3-14
3.3.7 System Information ....................................................... 3-14
3.4 Ai Tweaker menu........................................................................ 3-15
3.4.1 Ai Overclock Tuner [Auto] ............................................. 3-16
3.4.2 Ratio CMOS Setting [Auto] ........................................... 3-16
3.4.3 Intel(R) SpeedStep (TM) Tech. [Enabled] ..................... 3-16
3.4.4 Intel(R) TurboMode Tech [Enabled] .............................. 3-17
3.4.5 Xtreme Phase Full Power Mode [Auto]......................... 3-17
3.4.6 DRAM Frequency [Auto] ............................................... 3-17
3.4.7 QPI Frequency [Auto] ................................................... 3-17
3.4.8 OC Tuner Utility............................................................. 3-17
3.4.9 OC Tuner limit Value [Good Performance].................... 3-18
3.4.10 DRAM Timing Control [Auto]......................................... 3-18
3.4.11 CPU Differential Amplitude [Auto] ................................. 3-20
3.4.12 CPU Clock Skew [Auto] ................................................ 3-20
3.4.13 CPU Voltage Mode [Offset] .......................................... 3-20
3.4.14 IMC Voltage [Auto] ....................................................... 3-20
3.4.15 DRAM Voltage [Auto] ................................................... 3-21
3.4.16 CPU PLL Voltage [Auto]................................................ 3-21
3.4.17 PCH Voltage [Auto] ....................................................... 3-21
3.4.18 DRAM DATA REF Voltage on CHA/B [Auto] ................. 3-21
3.4.19 DRAM CTRL REF Voltage on CHA/B [Auto]................. 3-21
3.4.20 Load-Line Calibration [Auto] ......................................... 3-21
3.4.21 CPU Spread Spectrum [Auto] ....................................... 3-21
3.4.22 PCIE Spread Spectrum [Auto] ...................................... 3-21
3.5 Advanced menu ......................................................................... 3-22
  ........................................................ 3-22
  ........................................... 3-25
 ...................................... 3-25
  ........................................................ 3-27
3.5.5 PCIPnP ......................................................................... 3-28
3.5.6 Intel VT-d [Disabled]...................................................... 3-28

vi
Contents
3.5.7 T.Probe [Disabled]......................................................... 3-28
3.6 Power menu................................................................................ 3-29
3.6.1 Suspend Mode [Auto] ................................................... 3-29
3.6.2 Repost Video on S3 Resume [No] ................................ 3-29
3.6.3 ACPI 2.0 Support [Disabled] ......................................... 3-29
 ........................................................ 3-30
3.6.4 ACPI APIC Support [Enabled]....................................... 3-30
3.6.5 EuP Ready [Disabled]................................................... 3-30
3.6.7 Hardware Monitor ......................................................... 3-32
3.7 Boot menu .................................................................................. 3-34
3.7.1 Boot Device Priority ...................................................... 3-34
  ................................ 3-34
  .......................................... 3-35
3.7.4 Security ......................................................................... 3-36
3.8 Tools menu ................................................................................. 3-38
 ......................................................... 3-38
3.8.2 AI NET 2........................................................................ 3-39
3.8.3 ASUS EZ Flash 2.......................................................... 3-40
3.8.4 Express Gate ................................................................ 3-40
3.9 Exit menu.................................................................................... 3-42
Chapter 4: Software support
4.1 Installing an operating system ................................................... 4-1
4.2 Support DVD information ............................................................ 4-1
4.2.1 Running the support DVD ............................................... 4-1
4.2.2 Drivers menu................................................................... 4-2
4.2.3 Utilities menu .................................................................. 4-3
4.2.4 Make disk menu.............................................................. 4-4
4.2.5 Manual menu .................................................................. 4-4
4.2.6 ASUS Contact information .............................................. 4-5
4.2.7 Other information ............................................................ 4-6
4.3 Software information ................................................................... 4-8
4.3.1 ASUS PC Probe II........................................................... 4-8
4.3.2 ASUS AI Suite............................................................... 4-14
4.3.3 ASUS Fan Xpert ........................................................... 4-16

vii
Contents
4.3.4 ASUS EPU-6 Engine .................................................... 4-17
4.3.5 ASUS Express Gate ..................................................... 4-18
4.3.6 ASUS T.Probe............................................................... 4-20
4.4 ASUS Unique Overclocking Utility— TurboV EVO.................. 4-21
4.4.1 Using ASUS TurboV...................................................... 4-21
4.4.2 Using ASUS TurboV Auto Tuning Mode........................ 4-22
  .................................................................. 4-25
  ............................................................ 4-25
4.5.2 Installing Serial ATA hard disks ..................................... 4-26
4.5.3 Setting the RAID item in BIOS ...................................... 4-26
4.5.4 Intel®Matrix Storage Manager option ROM utility......... 4-26
4.6 Creating a RAID driver disk....................................................... 4-30
4.6.1 Creating a RAID driver disk without entering the OS.... 4-30
4.6.2 Creating a RAID driver disk in Windows®...................... 4-30
4.6.3 Installing the RAID driver
during Windows®OS installation................................... 4-31
 ....................................... 4-31
Chapter 5: Multiple GPU technology support
5.1 ATI®CrossFireX™ technology .................................................... 5-1
5.1.1 Requirements.................................................................. 5-1
5.1.2 Before you begin............................................................. 5-1
5.1.3 Installing CrossFireX graphics cards .............................. 5-2
5.1.4 Installing the device drivers............................................. 5-3
5.1.5 Enabling the ATI®CrossFireX™ technology ................... 5-3
5.2 NVIDIA®SLI™ technology ........................................................... 5-5
5.2.1 Requirements.................................................................. 5-5
5.2.2 Installing two SLI-ready graphics cards .......................... 5-6
5.2.3 Installing three SLI-ready graphics cards........................ 5-7
5.2.4 Installing the device drivers............................................. 5-8
5.2.5 Enabling the NVIDIA®SLI™ technology ......................... 5-8
5.3 NVIDIA®CUDA™ technology .................................................... 5-11
5.3.1 Requirements.................................................................5-11
5.3.2 Installing CUDA-ready graphics cards ...........................5-11

viii
Notices
Federal Communications Commission Statement
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions:
• This device may not cause harmful interference, and
• This device must accept any interference received including interference that
may cause undesired operation.
This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and can radiate radio

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.
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.
The use of shielded cables for connection of the monitor to the graphics card is

to this unit not expressly approved by the party responsible for compliance

REACH

Restriction of Chemicals) regulatory framework, we published the chemical
substances in our products at ASUS website at http://green.asus.com/english/
REACH.htm.

ix
Safety information
Electrical safety
 
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.
 
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.
 
service technician or your retailer.
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.

x

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

part of the standard package.
About this guide

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
®
CrossFireX™ and NVIDIA®SLI™ graphics cards.

xi
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.
NOTE: Tips and additional information to help you complete a
task.
IMPORTANT: Instructions that you MUST follow to complete a
task.
Conventions used in this guide
To ensure that you perform certain tasks properly, take note of the following
symbols used throughout this manual.
Typography
Bold text Indicates a menu or an item to select.
Italics  
<Key> Keys enclosed in the less-than and greater-than sign
means that you must press the enclosed key.
Example: <Enter> means that you must press the
Enter or Return key.
<Key1+Key2+Key3> If you must press two or more keys simultaneously, the
key names are linked with a plus sign (+).
Example: <Ctrl+Alt+D>
Command Means that you must type the command exactly as
shown, then supply the required item or value enclosed
in brackets.
Example: At the DOS prompt, type the command line:
BUPDATER /iP7P55WSSC.ROM

xii
P7P55 WS Supercomputer
specications summary
CPU Quad Core intel Xeon 3400 series Server Processor
Quad Core intel Core i7-800 series Desktop Processor
Quad Core intel Core i5-700 series Desktop Processor
Dual Core 32nm CPU design Ready
Chipset Intel®P55 Express Chipset/ Nvidia NF200*1
Memory 4 x DIMM, max. 16GB, DDR3 2133(OC)*/1600/1333/
     
Dual channel architecture



*Please load X.M.P in BIOS for hyper DIMM (DDR3

Expansion Slots 2 x PCIe 2.0 x16 (@ x16 or x8)
2 x PCIe 2.0 x16 (@ x8)
1 x PCIe x16 (@ x4)
1 x PCIe x1 (@ x1)
1 x PCI
Multi-GPU Technology Supports NVIDIA®Geforce 3 way/2 way SLI™
technologytechnology
Supports ATI®CrossFireX™ technology, up to Quad
CrossFireX™
Storage Intel® P55 Express Chipset
- 6 x SATA 150/3006 x SATA 150/300
- IntelIntel®Matrix Storage supporting SATA RAID 0, 1,
10, and 5
LAN 2 x Realtek 8112L Dual Gb LAN
- Support teaming function
 
- Multi-Streaming
- Jack-Sensing
- Front Panel Jack-Retasking
- Coaxial / Optical S/PDIF out ports at back I/O
- ASUS Noise-Filer
IEEE 1394 VIA VT6308S controller supports 2 x 1394a ports
(continued on the next page)

xiii
USB 14 x USB 2.0/1.1 ports
ASUS Special Features ASUS Hybrid OS - Express Gate
16+3 power phase
TurboV EVO
ASUS Exclusive Features
- MemOK!
- ASUS EPU
ASUS Quiet Thermal Solution
- ASUS Fanless Design: Heatpipe
- ASUS Fanless Design: Stack Cool 2
- ASUS Fan Xpert
ASUS Crystal Sound
- ASUS Noise Filter
ASUS EZ DIY
- ASUS Q-Shield
- ASUS Q-Connector
  
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 2
- ASUS MyLogo 2
Workstation Unique
Features
5 PCIe
G.P. Diagnosis Card bundled
ASUS SASsaby-M Cards support
ASUS WS Diag. LED
ASUS WS Heartbeat
ASUS Q-Design ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED)
ASUS Q-DIMM
BIOS Features 
Wfm2.0, ACPI v2.0a, SMBIOS v 2.6,
WOL/WOR by PME,
Back Panel I/O Ports PS/2 KB/MS port
S/PDIF Out (Coaxial + Optical)
8 x USB 2.0/1.1 ports
1 x IEEE1394a
2 x Lan Connector
1 x 8-channel Audio I/O
(continued on the next page)
P7P55 WS Supercomputer
specications summary

xiv
Internal I/O Connectors 24-pin EATX Power connector
8-pin ATX +12V Power connector
CPU fan with PWM control
Chassis fan1 with Q-fan control
Chassis fan2 with Q-fan control
Chassis fan3 with Q-fan control
PWR fan
CD audio in
1 x COM port connector
2xUSB connectors support additional 4 USB ports
2 x USB 2.0/1.1 ports
20-pin Panel connector
1 x IEEE 1394a port
TPM header
S/PDIF Out header
Front panel connector
Manageability WfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE
Form Factor ATX Form Factor, 12"x 9.6"(30.5cm x 24.5cm)

P7P55 WS Supercomputer
specications summary

1
Chapter 1: Product
introduction
This chapter describes the motherboard
features and the new technologies
it supports.

ASUS P7P55 WS Supercomputer
Chapter summary 1
1.1 Welcome! ...................................................................................... 1-1
1.2 Package contents......................................................................... 1-1
1.3 Special features............................................................................ 1-2

ASUS P7P55 WS Supercomputer 1-1
1.1 Welcome!
Thank you for buying an ASUS P7P55 WS Supercomputer 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.
If any of the above items is damaged or missing, contact your retailer.
1.2 Package contents
Check your motherboard package for the following items.
Motherboard ASUS P7P55 WS SuperComputer
I/O modules 1 x 2-port USB 2.0 / 1-port IEEE 1394a module
Cables 2 x Serial ATA power cables
6 x Serial ATA signal cables
1 x COM port cable
Accessories 1 x ASUS Q-Shield (I/O shield)
1 x ASUS Q-Connector Kit (USB, 1394, system
  
1 x G.P. Diagnosis Card (Retail version only)
1 x ASUS SLI bridge
1 x ASUS 3-Way SLI bridge card
Application DVD ASUS motherboard support DVD
Documentation User guide

1-2 Chapter 1: Product Introduction
1.3 Special features
1.3.1 Product highlights
Green ASUS


of creating environment-friendly and recyclable products/packagings to safeguard

Intel®
This motherboard supports the latest Intel®
package, which has memory and PCI Express controller integrated to support 2-
channel (4 DIMMs) DDR3 memory and 16 PCI Express 2.0 lanes, providing great
graphics performance. Intel®

Intel®P55
The Intel®P55 Express Chipset is the latest one-chipset design to support the
latest 1156 socket Intel®Core™ i7 / Core™ i5 processors. Intel P55 provides

bandwidth and stability.
PCIe 2.0
Double Speed; Double Bandwidth
This motherboard supports the latest PCIe 2.0 devices for double speed and
bandwidth that enhances system performance.
Dual-Channel DDR3 2133(O.C.) / 1600 / 1333 / 1066 support
The motherboard supports DDR3 memory that features data transfer rates of

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.
1.3.2 ASUS Xtreme Design—Hybrid Processor
TurboV EVO
Ultimate O.C. Processor

enthusiasts to beginners. Auto tuning intelligently pushes the system to the fastest
clock speeds while maintaining stability. Turbo Key boosts performance with just

world O.C. record.

ASUS P7P55 WS Supercomputer 1-3
Auto Tuning
Auto System Level Up
Auto Tuning is an intelligent tool that automates overclocking to achieve a total
system level up. This tool also provides stability testing. Even O.C. beginners can
achieve extreme yet stable overclocking results with Auto Tuning!
1.3.3 ASUS Hybrid Phase
T.Probe
Leading Active Cooling Technology
The T.Probe microchip detects and balances power phase loading and

allowing components to run at lower temperatures and extending their lifespan.
16+3 Phase Power Design
Unprecedented Innovation with the Best Quality Component for Best
Performance
The groundbreaking 16+3 phase VRM design is brought to the ASUS
motherboards. 16+3 phase power design, 16-phase for vCore and extra 3-phase

hence generates less heat to effectively enhance the overclocking capability. With
the high quality power components such as low RDS (on) MOSFETs, Ferrite core
chokes with lower hysteresis loss and 100% Japan-made high quality conductive
polymer capacitors, ASUS 16+3 phase VRM design also ensure longer component
life and minimum power loss.
1.3.4 ASUS Hybrid OS
Express Gate
Instant Online! Instant Fun!
Express Gate is an ASUS exclusive OS that provides you with quick access to the
Internet and key applications before entering the Windows®OS.
1.3.5 ASUS Exclusive Features
MemOK!
Any Memory is A-OK!
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.

1-4 Chapter 1: Product Introduction
ASUS EPU
System Level Energy Saving
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to a new 6 engine version, which provides total system power savings by detecting
current PC loadings and intelligently moderating power in real-time. With auto
phase switching for components (which includes the CPU, VGA card, memory,
chipset, hard drives and CPU cooler / system fans), the EPU automatically
provides the most appropriate power usage via intelligent acceleration and
overclocking—helping save power and money.
ASUS Quiet Thermal Solution
ASUS Quiet Thermal solution makes system more stable and enhances the
overclocking capability.
ASUS Fanless Design—Heat-pipe solution
The Heat Pipe design effectively directs the heat generated by the vCore
area to the heatsink near the back IO ports, where it can be carried away by
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on this motherboard is that the groundbreaking fanless design does not have
lifetime problems as a chipset fan does. The Heat Pipe design is the most
reliable fanless thermal solution to date.
DO NOT uninstall the heat-pipe by yourself. Doing so may bend the tubing and
affect the heat dissipation performance.
Stack Cool 2
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the temperature of critical heat generating components. The motherboard
uses a special design on the printed circuit board (PCB) to dissipate heat that
critical components generate.
Fan Xpert
Active Quiet & Cool
ASUS Fan Xpert intelligently allows users to adjust both the CPU and chassis
fan speed according to different ambient temperature, which is caused
by different climate conditions in different geographic regions and system
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achieve a quiet and cool environment.
ASUS Crystal Sound
This feature can enhance speech-centric applications like Skype, online game,
video conference and recording.