Asus P8B75-M LX PLUS Specifications

Motherboard
P8B75-M LX
E7341
First Edition (V1)
April 2012
Copyright © 2012 ASUSTeK COMPUTER INC. All Rights Reserved.
No part of this manual, including the products and software described in it, may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any
means, except documentation kept by the purchaser for backup purposes, without the express written
permission of ASUSTeK COMPUTER INC. (“ASUS”).
Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless
such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the
product is defaced or missing.
ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS
DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS,
LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE),
EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY
DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.
SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR
INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE,
AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO
RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS
MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.
Products and corporate names appearing in this manual may or may not be registered trademarks or
copyrights of their respective companies, and are used only for identification or explanation and to the
owners’ benefit, without intent to infringe.
Offer to Provide Source Code of Certain Software
This product contains copyrighted software that is licensed under the General Public License (“GPL”),
under the Lesser General Public License Version (“LGPL”) and/or other Free Open Source Software
Licenses. Such software in this product is distributed without any warranty to the extent permitted by the
applicable law. Copies of these licenses are included in this product.
Where the applicable license entitles you to the source code of such software and/or other additional data,
you may obtain it for a period of three years after our last shipment of the product, 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 notification 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
Safety information....................................................................................... vi
About this guide.......................................................................................... vi
P8B75-M LX specifications summary...................................................... viii
Chapter 1
Product introduction
1.1
Welcome!....................................................................................... 1-1
1.2
Package contents.......................................................................... 1-1
1.3
Special features............................................................................. 1-1
1.3.1
Product highlights............................................................ 1-1
1.3.2
Innovative ASUS features................................................ 1-3
1.4
Before you proceed...................................................................... 1-5
1.5
Motherboard overview.................................................................. 1-6
1.6
1.7
1.8
1.5.1
Placement direction......................................................... 1-6
1.5.2
Screw holes..................................................................... 1-6
1.5.3
Motherboard layout.......................................................... 1-7
1.5.4
Layout contents................................................................ 1-7
Central Processing Unit (CPU).................................................... 1-8
1.6.1
Installing the CPU............................................................ 1-9
1.6.2
CPU heatsink and fan assembly installation...................1-11
System memory.......................................................................... 1-13
1.7.1
Overview........................................................................ 1-13
1.7.2
Memory configurations................................................... 1-13
1.7.3
Installing a DIMM........................................................... 1-20
1.7.4
Removing a DIMM......................................................... 1-20
Expansion slots........................................................................... 1-21
1.8.1
Installing an expansion card.......................................... 1-21
1.8.2
Configuring an expansion card...................................... 1-21
1.8.3
PCI slot.......................................................................... 1-21
1.8.4
PCI Express 2.0 x1 slots................................................ 1-21
1.8.5
PCI Express 3.0/2.0 x16 slot.......................................... 1-21
1.9
Jumpers....................................................................................... 1-22
1.10
Connectors.................................................................................. 1-23
1.11
1.10.1
Rear panel connectors................................................... 1-23
1.10.2
Internal connectors........................................................ 1-25
Onboard LEDs............................................................................. 1-31
iii
Contents
1.13
Software support......................................................................... 1-32
1.13.1
Installing an operating system....................................... 1-32
1.13.2
Support DVD information............................................... 1-32
1.13.3
Intel® SBA support.......................................................... 1-33
Chapter 2
2.1
Managing and updating your BIOS............................................. 2-1
2.1.1
ASUS Update utility......................................................... 2-1
2.1.2
ASUS EZ Flash 2............................................................. 2-2
2.1.3
ASUS CrashFree BIOS 3 utility....................................... 2-3
2.1.4
ASUS BIOS Updater........................................................ 2-4
2.2
BIOS setup program..................................................................... 2-6
2.3
Main menu................................................................................... 2-10
2.4
2.5
iv
BIOS information
2.3.1
System Language [English]........................................... 2-10
2.3.2
System Date [Day xx/xx/xxxx]........................................ 2-10
2.3.3
System Time [xx:xx:xx].................................................. 2-10
2.3.4
Security.......................................................................... 2-10
Ai Tweaker menu......................................................................... 2-12
2.4.1
ASUS MultiCore Enhancement [Enabled]......................... 2-12
2.4.2
CPU bus speed: DRAM speed ratio mode [Auto].......... 2-12
2.4.3
Memory Frequency [Auto].............................................. 2-13
2.4.4
iGPU Max. Frequency [Auto]......................................... 2-13
2.4.5
GPU Boost [OK]............................................................. 2-13
2.4.6
DRAM Timing Control.................................................... 2-13
2.4.7
CPU Power Management.............................................. 2-13
2.4.8
CPU Offset Mode Sign [+].............................................. 2-14
2.4.9
DRAM Voltage [Auto]..................................................... 2-14
2.4.10
VCCSA Voltage [Auto]................................................... 2-15
2.4.11
PCH Voltage [Auto]........................................................ 2-15
Advanced menu.......................................................................... 2-16
2.5.1
CPU Configuration......................................................... 2-16
2.5.2
PCH Configuration......................................................... 2-17
2.5.3
SATA Configuration........................................................ 2-18
2.5.4
System Agent Configuration.......................................... 2-19
2.5.5
AMT Configuration......................................................... 2-19
2.5.6
USB Configuration......................................................... 2-20
Contents
2.6
2.5.7
Onboard Devices Configuration..................................... 2-21
2.5.8
APM............................................................................... 2-22
2.5.9
Network Stack................................................................ 2-22
Monitor menu.............................................................................. 2-23
2.6.1
CPU Temperature / MB Temperature [xxxºC/xxxºF]....... 2-24
2.6.2CPU / Chassis Fan Speed [xxxx RPM] or [Ignore] / [N/A]2-24
2.7
2.8
2.9
2.6.3
CPU Q-Fan Control [Enabled]....................................... 2-24
2.6.4
Chassis Q-Fan Control [Enabled].................................. 2-25
2.6.5
CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage... 2-25
2.6.6
Anti Surge Support [Enabled]........................................ 2-25
Boot menu................................................................................... 2-26
2.7.1
Bootup NumLock State [On].......................................... 2-26
2.7.2
Full Screen Logo [Enabled]............................................ 2-26
2.7.3
Wait for ‘F1’ If Error [Enabled]........................................ 2-26
2.7.4
Option ROM Messages [Force BIOS]............................ 2-27
2.7.5
Setup Mode [EZ Mode].................................................. 2-27
2.7.6
UEFI/Legacy Boot [Enabled both UEFI and Legacy]..... 2-27
2.7.7
PCI ROM Priority [Legacy ROM]................................... 2-27
2.7.8
Boot Option Priorities..................................................... 2-27
2.7.9
Boot Override................................................................. 2-27
Tools menu.................................................................................. 2-28
2.8.1
ASUS EZ Flash 2 Utility................................................. 2-28
2.8.2
ASUS O.C. Profile.......................................................... 2-28
2.8.3
ASUS SPD Information.................................................. 2-28
Exit menu..................................................................................... 2-29
Appendices
Notices........................................................................................................A-1
ASUS contact information........................................................................A-3
Safety information
Electrical safety
•
To prevent electric shock hazard, disconnect the power cable from the electric outlet
before relocating the system.
•
When adding or removing devices to or from the system, ensure that the power cables
for the devices are unplugged before the signal cables are connected. If possible,
disconnect all power cables from the existing system before you add a device.
•
Before connecting or removing signal cables from the motherboard, ensure that all
power cables are unplugged.
•
Seek professional assistance before using an adapter or extension cord. These devices
could interrupt the grounding circuit.
•
Ensure that your power supply is set to the correct voltage in your area. If you are not
sure about the voltage of the electrical outlet you are using, contact your local power
company.
•
If the power supply is broken, do not try to fix it by yourself. Contact a qualified service
technician or your retailer.
Operation safety
•
Before installing the motherboard and adding devices on it, carefully read all the manuals
that came with the package.
•
Before using the product, ensure that all cables are correctly connected and the power
cables are not damaged. If you detect any damage, contact your dealer immediately.
•
To avoid short circuits, keep paper clips, screws, and staples away from connectors,
slots, sockets and circuitry.
•
Avoid dust, humidity, and temperature extremes. Do not place the product in any area
where it may become wet.
•
Place the product on a stable surface.
•
If you encounter technical problems with the product, contact a qualified service
technician or your retailer.
About this guide
This user guide contains the information you need when installing and configuring the
motherboard.
How this guide is organized
This guide contains the following parts:
• Chapter 1: Product introduction
vi
This chapter describes the features of the motherboard and the new technology it
supports.
•
Chapter 2: BIOS information
This chapter tells how to change system settings through the BIOS Setup menus.
Detailed descriptions of the BIOS parameters are also provided.
Conventions used in this guide
To ensure that you perform certain tasks properly, take note of the following symbols used
throughout this manual.
DANGER/WARNING: Information to prevent injury to yourself when trying to complete a task.
CAUTION: Information to prevent damage to the components when trying to complete a task.
IMPORTANT: Instructions that you MUST follow to complete a task.
NOTE: Tips and additional information to help you complete a task.
Where to find more information
Refer to the following sources for additional information and for product and software
updates.
1.
ASUS websites
The ASUS website provides updated information on ASUS hardware and software
products. Refer to the ASUS contact information.
2.
Optional documentation
Your product package may include optional documentation, such as warranty flyers,
that may have been added by your dealer. These documents are not part of the
standard package.
Typography
Bold text
Italics
<Key>
<Key1>+<Key2>+<Key3>
Indicates a menu or an item to select.
Used to emphasize a word or a phrase.
Keys enclosed in the less-than and greater-than sign means
that you must press the enclosed key.
Example: <Enter> means that you must press the Enter or
Return key.
If you must press two or more keys simultaneously, the key
names are linked with a plus sign (+).
Example: <Ctrl>+<Alt>+<D>
vii
P8B75-M LX specifications summary
CPU
Chipset
Memory
Graphics
Expansion slots
Storage
LAN
Audio
USB
LGA1155 socket for Intel® 2nd / 3rd Generation Core™ i7 / Core™ i5 / Core™ i3 processors
Supports Intel 22/32nm CPU
Supports Intel® Turbo Boost Technology 2.0
* The Intel® Turbo Boost Technology 2.0 support depends on the
CPU types.
** Refer to www.asus.com for Intel® CPU support list.
Intel® B75 Express Chipset
2 x DIMM, max. 16GB*, DDR3 2200(O.C.) / 2133(O.C.) / 2000(O.
C.) /1800(O.C.) / 1600 / 1333 / 1066 MHz, non-ECC,
un-buffered memory
Dual-channel memory architecture
* 1600MHz and higher frequency is supported by Intel® 3rd generation processors.
** Refer to www.asus.com for the latest Memory QVL (Qualified
Vendors List).
***When you install a total memory of 4GB capacity or more,
Windows® 32-bit operating system may only recognize less
than 3GB. We recommend a maximum of 3GB system memory
if you are using a Windows® 32-bit operating system.
Integrated graphics processor
Multi-VGA output support: DVI-D and D-Sub ports
Supports DVI-D with max.resolution of 1920 x 1200 @60Hz
Supports D-Sub with max. resolution of 2048 x 1536 @75Hz
Maximum shared memory of 1 GB
1 x PCI Express 3.0/2.0 x16 slot
2 x PCI Express 2.0 x1 slots
1 x PCI slot
Intel® B75 Express Chipset:
- 5 x Serial ATA 3.0 Gb/s connectors (blue)
- 1 x Serial ATA 6.0 Gb/s connector (gray)
Realtek® 8111F-VB-CG PCIe Gigabit LAN controller
VIA® VT1708S 8-channel* High Definition Audio CODEC
-Supports jack-detection, multi-streaming, anti-pop function, and
front panel jack-retasking
* Use a chassis with HD audio module in the front panel to support
an 8-channel audio output.
Intel® B75 Express Chipset:
- 4 x USB 3.0/2.0 ports (2 ports at midboard, 2 ports at back panel)
-8 x USB 2.0/1.1 ports (4 ports at midboard, 4 ports at back
panel)
(continued on the next page)
viii
P8B75-M LX specifications summary
ASUS unique features ASUS Exclusive Features:
- ASUS GPU Boost
- ASUS USB 3.0 Boost
- LucidLogix® Virtu MVP
- Network iControl
- ASUS AI Suite II
- Ai Charger
- ASUS Anti-Surge Protection
-ASUS UEFI BIOS featuring graphics user interface
ASUS Quiet Thermal Solution:
- ASUS Fan Xpert
ASUS EZ DIY:
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 2
- ASUS MyLogo 2™
Rear panel I/O ports
1 x PS/2 keyboard/mouse combo port (purple/green)
1 x DVI-D port
1 x D-Sub port
1 x LAN (RJ-45) port
4 x USB 2.0/1.1 ports
2 x USB 3.0/2.0 ports (blue)
3 x Audio jacks
Internal connectors/
1 x USB 3.0 connector supports additional 2 USB 3.0 ports
switches/ buttons
2 x USB 2.0 connectors support additional 4 USB 2.0 ports
5 x SATA 3.0 Gb/s connectors (blue)
1 x SATA 6.0 Gb/s connector (gray)
1 x CPU fan connector
1 x Chassis fan connectors
1 x COM connector
1 x LPT connector
1 x Front panel audio connector (AAFP)
1 x S/PDIF output connector
1 x System panel connector
1 x Speaker connector
1 x 24-pin ATX power connector
1 x 4-pin ATX 12V power connector
1 x chassis intrusion connector
1 x CLRTC connector
(continued on the next page)
ix
P8B75-M LX specifications summary
BIOS features
Manageability
Accessories
Support DVD
Form factor
128 Mb Flash ROM, AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS
2.5, ACPI 2.0a, Multi-language BIOS, ASUS EZ Flash 2, ASUS
CrashFree BIOS 3
WfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE
1 x Serial ATA 3.0Gb/s cable
1 x Serial ATA 6.0Gb/s cable
1 x I/O shield
1 x User Manual
1 x Support DVD
Drivers
ASUS utilities
ASUS Update
Anti-virus software (OEM version)
MicroATX form factor: 9.6”x 7.8” (24.4cm x 19.8cm)
* Specifications are subject to change without notice.
Chapter 1
Product introduction
1.1
Welcome!
Thank you for buying an ASUS® P8B75-M LX 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
ASUS P8B75-M LX motherboard
Cables
1 x Serial ATA 6.0Gb/s cable
1 x Serial ATA 3.0Gb/s cable
Accessories
1 x I/O shield
Application DVD
ASUS motherboard support DVD
Documentation
User Manual
If any of the above items is damaged or missing, contact your retailer.
1.3
Special features
1.3.1
Product highlights
LGA1155 socket for Intel® 3rd/2nd Generation Core™ i7 /
Core™ i5 / Core™ i3 processors
This motherboard supports the Intel® 3rd/2nd generation Core™ i7 /
Core™ i5 / Core™ i3 processors in the LGA1155 package, with memory
and PCI Express controllers integrated to support dual-channel (4
DIMMs) DDR3 memory and 16 PCI Express 3.0 lanes. This provides
great graphics performance. Intel® 3rd/2nd generation Core™ i7 / Core™
i5 / Core™ i3 processors are among the most powerful and energy
efficient CPUs in the world.
ASUS P8B75-M LX
1-1
Intel® B75 Express Chipset
The Intel® B75 Express Chipset is the latest single-chipset designed to
support the 1155 socket Intel® 3rd/2nd generation Core™ i7 / Core™ i5 /
Core™ i3 processors. It provides improved performance by utilizing serial
point-to-point links, allowing increased bandwidth and stability. In addition,
B75 chipset provides 4 USB 3.0 ports that retrieves data 10 times faster.
Moreover, Intel® B75 Express Chipset also supports iGPU function, letting
users enjoy the latest Intel integrated graphic performance.
Dual-Channel DDR3 2400(O.C.) / 2250(O.C.) / 2200(OC.) /
2133(O.C.) / 2000 / 1866 /1600 / 1333 / 1066MHz support
The motherboard supports DDR3 memory that features data transfer
rates of 2400(O.C.) / 2250(O.C.) / 2200(OC.) / 2133(O.C.) / 2000 / 1866
/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.
* Due to the behavior of Intel® 3rd Generation processor, DDR3 2250 (and
above)/2133/1866 MHz memory module will run at DDR3 2200/2000/1800 MHz
frequency as default.
Native SATA 6.0 Gb/s support
The Intel® B75 Express Chipset natively supports next-generation Serial
ATA (SATA) storage interface. This motherboard delivers up to 6.0 Gb/s
data transfer rates. Additionally, get enhanced scalability, faster data
retrieval, double the bandwidth of current bus systems.
Complete USB 3.0 Integration
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. This
motherboard affords greater convenience to high speed connectivity.
PCI Express® 3.0
PCI Express® 3.0 (PCIe 3.0) is the latest PCI Express bus standard with
improved encoding schemes that provide twice the performance of the
current PCIe 2.0. The total bandwidth for a x16 link reaches a maximum
of 32Gb/s, double the 16 Gb/s of PCIe 2.0 (in x16 mode). As such, PCIe
3.0 provides users an unprecendented data speeds, combined with the
convenience and seamless transition offerred by complete backward
compatibility with PCIe 1.0 and PCIe 2.0 devices. PCIe 3.0 will become
a must-have feature for users who wish to improve and optimize graphic
performance, as well as have the latest technology available to them.
* PCI 3.0 speed is supported by Intel® 3rd generation Core™ processors.
1-2
Chapter 1: Product introduction
1.3.2
Innovative ASUS features
ASUS UEFI BIOS
Flexible and Easy BIOS Interface
ASUS UEFI BIOS offers the first mouse-controlled graphical BIOS
designed with selectable modes, providing a user-friendly interface
that goes beyond the traditional keyboard-only controls. It also natively
supports fully-utilized hard drives larger than 2.2TB in 64-bit operating
systems.
ASUS exclusive interface
EZ Mode displays frequently-accessed info. Users can choose system
performance settings, and drag and drop boot priorities. Advanced Mode
for performance enthusiasts includes detailed DRAM settings via a
dedicated memory info page for complete insight.
New upgrade! Quick and easy information for enhanced system
control
- F12 BIOS snapshot hotkey for sharing UEFI information and
troubleshooting
- New F3 Shortcut for most accessed information
- ASUS DRAM SPD (Serial Presence Detect) information for accessing
memory information, detecting faulty DIMMs, and helping with difficult
POST situations.
LucidLogix Virtu MVP
LucidLogix Virtu MVP featuring HyperFormance™ Technology boosts
your discrete graphics card up to 60% beyond its original performance.
Designed for Intel® processor graphics and Windows® 7 PCs, it perfectly
combines the performance of discrete graphic cards with fast computing
iGPU. Also, with newly designed Virtual Sync, users can enjoy a
smoother gaming experience by eliminating tearing artifacts. LucidLogix
Virtu MVP can also dynamically assigns tasks to the best available
graphics resource, based on power, performance, and system load.
This allows users to fully utilize 3x faster video conversion with Intel®
Quick Sync Video technology while retaining high-end 3D rendering and
gaming performance, provided by both NVIDIA and AMD graphic cards.
When the discrete graphic card is not required, power consumption
goes automatically down to near zero, making the system more
environmentally-friendly. For users searching for perfection, LucidLogix
Virtu MVP provides great graphical performance, and the best flexibility
and efficiency.
* LucidLogix Virtu MVP supports Windows® operating system.
** Intel® Quick Sync Video feature is supported by 3rd/2nd generation Intel®
Core™ processor family
ASUS P8B75-M LX
1-3
USB 3.0 Boost
With USB 3.0 Boost technology, a USB device’s transmission speed is
significantly increased, adding to an already impressive fast USB 3.0
transfer speed. ASUS software automatically accelerates data speeds for
compatible USB 3.0 peripherals without the need for any user interaction.
GPU Boost
Go to the Limit with iGPU Level Up!
GPU Boost accelerates the integrated GPU for extreme graphics
performance. The user-friendly interface facilitates flexible frequency
adjustments. It easily delivers stable system-level upgrades for every use.
AI Suite II
With its fast 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 overclocking, energy management, fan speed
control, and 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.
ASUS Anti-Surge Protection
This special design prevents expensive devices and the motherboard
from damage caused by power surges from switching power supply
(PSU).
Network iControl
With a one-click on/off button, the software currently in use is set as
top priority over all other network programs, dominating the network
bandwidth with ease. Moreover, you can prioritize your favorite software
easily by configuring profiles through the intutive user interface. Within
the profile, programs can be pre-scheduled to run in a specific time period
to avoid network clogging and long-waits on downloads. Auto PPPoE
network connection gives a one-step setup and an intuitive network
bandwidth control center.
ASUS Fan Xpert
ASUS Fan Xpert intelligently allows you to adjust the CPU fan and
chassis fan speeds according to different ambient temperatures caused
by different climate conditions in different geographic regions and your
PC’s loading. The built-in variety of useful profiles offer flexible controls of
fan speed to achieve a quiet and cool environment.
Ai Charger
Ai Charger is ASUS fast-charging software that supports iPod, iPhone,
and iPad.
• Check your USB mobile device if it fully supports the BC 1.1 function.
• The actual charging speed may vary with your USB device’s conditions.
1-4
Chapter 1: Product introduction
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 CrashFree BIOS 3
ASUS CrashFree BIOS 3 is an auto-recovery tool that allows you to
restore a corrupted BIOS file using the bundled support DVD or USB
flash disk that contains the latest BIOS file.
ASUS EZ Flash 2
ASUS EZ Flash 2 is a utility that allows you to update the BIOS without
using an OS-based utility.
C.P.R. (CPU Parameter Recall)
The BIOS C.P.R. feature automatically restores the CPU default settings
when the system hangs due to overclocking failure. C.P.R. eliminates the
need to open the system chassis and clear the RTC data. Simply shut
down and reboot the system, and the BIOS automatically restores the
CPU parameters to their default settings.
ErP ready
The motherboard is European Union´s Energy-related Products (ErP)
ready, and ErP requires products to meet certain energy efficiency
requirements in regards to energy consumptions. This is in line with
ASUS vision of creating environment-friendly and energy-efficient
products through product design and innovation to reduce carbon
footprint of the product and thus mitigate environmental impacts.
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, 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 P8B75-M LX
1-5
1.5
Motherboard overview
Before you install the motherboard, study the configuration of your chassis to ensure that the
motherboard fits into it.
Ensure that you unplug the power cord before installing or removing the motherboard.
Failure to do so can cause you physical injury and damage motherboard components.
1.5.1
Placement direction
1.5.2
Screw holes
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.
Place six screws into the holes indicated by circles to secure the motherboard to the chassis.
Do not overtighten the screws! Doing so can damage the motherboard.
Place this side towards
the rear of the chassis
P8B75-M LX
1-6
Chapter 1: Product introduction
1.5.3
Motherboard layout
1
2
3
1
4
19.8cm(7.8in)
KBMS_USB34
DVI
CPU_FAN
USB3_34
LAN_USB12
Lithium Cell
CMOS Power
RTL
8111F
24.4cm(9.6in)
CHA_FAN
2
EATXPWR
USB3_12
DDR3 DIMM_B1 (64bit, 240-pin module)
DDR3 DIMM_A1 (64bit, 240-pin module)
LGA1155
VGA
ATX12V
5
AUDIO
PCIEX16_1
SATA3G_1
P8B75-M LX
PCIEX1_1
Super
I/O
SATA3G_2
6
Intel®
B75
PCIEX1_2
8Mb
BIOS
CLRTC
8Mb
BIOS
CHASSIS
PCI1
VIA
VT1708S
SPDIF_OUT
AAFP COM1
SATA3G_4 SATA3G_3
SB_PWR
LPT
USB78
USB56
SATA3G_5 SATA6G_1
SPEAKER
F_PANEL
17
1.5.4
16
15 14
13
12
11
10
9
8
6
7
Layout contents
Connectors/Jumpers/Slots/LED
Page
Connectors/Jumpers/Slots/LED
Page
1.
CPU and chassis fan connectors (4-pin
CPU_FAN, 3-pin CHA_FAN)
1-27
10.
Clear RTC RAM (3-pin CLRTC)
1-22
2.
ATX power connectors (24-pin EATXPWR,
4-pin ATX12V)
1-26
11.
USB 2.0 connectors (10-1 pin USB56,
USB78)
1-30
3.
Intel® LGA1155 CPU socket
1-8
12.
Onboard LED (SB_PWR)
1-31
4.
DDR3 DIMM slots
1-13
13.
LPT connector (26-1 pin LPT)
1-27
5.
USB 3.0 connector (20-1 pin USB3_34)
1-30
14
Digital audio connector (4-1 pin SPDIF_OUT) 1-25
6.
Intel® B75 Serial ATA 3.0Gb/s connectors
(7-pin SATA3G_1~5 [blue])
1-29
15.
Serial port connector (10-1 pin COM1)
1-26
7.
Intel B75 Serial ATA 6.0Gb/s connectors
(7-pin SATA6G_1 [gray])
1-29
16.
Front panel audio connector (10-1 pin AAFP)
1-25
8.
System panel connector (10-1 pin F_PANEL)
1-28
17.
Chassis intrusion connector (4-1 pin
CHASSIS)
1-31
9.
Speaker connector (4-pin SPEAKER)
1-28
®
ASUS P8B75-M LX
1-7
1.6
Central Processing Unit (CPU)
The motherboard comes with a surface mount LGA1155 socket designed for the Intel®
3rd/2nd generation Core™ i7 / Core™ i5 / Core™ i3 processors.
P8B75-M LX
P8B75-M LX CPU socket LGA1155
Unplug all power cables before installing the CPU.
• 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.
1-8
Chapter 1: Product introduction
1.6.1
Installing the CPU
The LGA1156 CPU is incompatible with the LGA1155 socket. DO NOT install a LGA1156
CPU on the LGA1155 socket.
1
A
B
2
ASUS P8B75-M LX
3
1-9
4
C
A
B
5
1-10
Chapter 1: Product introduction
1.6.2
CPU heatsink and fan assembly installation
Apply the Thermal Interface Material
to the CPU heatsink and CPU
before you install the heatsink and
fan if necessary.
To install the CPU heatsink and fan assembly
1
2
A
B
B
A
3
ASUS P8B75-M LX
4
1-11
To uninstall the CPU heatsink and fan assembly
1
2
A
B
B
A
1-12
Chapter 1: Product introduction
1.7
System memory
1.7.1
Overview
DIMM_A1
DIMM_B1
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
Sockets
Channel A
DIMM_A1
Channel B
DIMM_B1
P8B75-M LX
P8B75-M LX 240-pin DDR3 DIMM sockets
1.7.2
Memory configurations
You may install 1GB, 2GB, 4GB and 8GB unbuffered 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.
• Due to Intel® 3rd generation processors' behavior, DDR3 2250 (and above)/2133/1866
MHz memory module will run at DDR3 2200/2000/1800 MHz frequency as default.
• 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.
• This motherboard does not support DIMMs made up of 512Mb (64MB) chips or less.
• 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 (2 DIMMs) or overclocking condition.
ASUS P8B75-M LX
1-13
P8B75-M LX Motherboard Qualified Vendors Lists (QVL)
DDR3-2400 MHz capability
Vendors
CORSAIR
G.SKILL
G.SKILL
GEIL
KINGMAX
Transcend
Transcend
Transcend
Part No.
CMGTX8(XMP)
F3-19200CL11Q16GBZHD(XMP1.3)
F3-19200CL9D4GBPIS(XMP)
GET34GB2400C9DC(XMP)
FLLE88F-C8KKAA
HAIS(XMP)
TX2400KLU4GK(427652)(XMP)
TX2400KLU-4GK
(381850)(XMP)
TX2400KLU4GK(374243)(XMP)
Size
8GB(2GBx 4)
SS/
DS
Chip
Brand Chip NO.
Timing
Voltage
DIMM socket support
(Optional)
2 DIMMs
•
1 DIMM
SS
-
-
10-12-10-27 1.65V
•
16GB(4GB x4) DS
-
-
11-11-11-31
1.65V
•
•
4GB(2x 2GB)
DS
-
-
9-11-9-28
1.65V
•
•
2GB
DS
-
-
9-11-9-27
1.65V
•
•
2GB
SS
-
-
10-11-10-30 1.8V
•
•
4GB(2 x 2GB)
SS
-
-
-
1.65V
•
•
4GB(2x 2GB)
SS
-
-
9
1.65V
•
•
4GB(2x 2GB)
DS
-
-
9
1.65V
•
DDR3-2250 MHz capability
Vendors
Part No.
Chip Chip NO.
SS/DS Brand
Size
KINGSTON KHX2250C9D3T1K2/4GX(XMP) 4GB(2 x 2GB)
DS
-
-
Timing
-
Voltage
1.65V
•
DIMM socket support
(Optional)
1 DIMM
2 DIMMs
•
DDR3-2200 MHz capability
Vendors
Part No.
G.SKILL
GEIL
GEIL
KINGMAX
KINGMAX
KINGMAX
F3-17600CL8D-4GBPS(XMP)
GET34GB2200C9DC(XMP)
GET38GB2200C9ADC(XMP)
FLKE85F-B8KJAA-FEIS(XMP)
FLKE85F-B8KHA EEIH(XMP)
FLKE85F-B8KJA FEIH(XMP)
Size
4GB(2 x 2GB)
2GB
4GB
2GB
4GB(2 x 2GB)
4GB(2 x 2GB)
Chip Chip NO.
SS/DS Brand
DS
DS
DS
DS
DS
DS
-
-
Timing
Voltage
8-8-8-24
9-10-9-28
9-11-9-28
-
1.65V
1.65V
1.65V
1.5V-1.7V
1.5V-1.7V
Timing
Voltage
•
•
•
•
•
•
DIMM socket support
(Optional)
1 DIMM
2 DIMMs
•
•
•
•
•
DDR3-2133 MHz capability
Vendors
A-DATA
CORSAIR
CORSAIR
G.SKILL
GEIL
GEIL
KINGSTON
KINGSTON
KINGSTON
KINGSTON
Part No.
AX3U2133GC2G9B-DG2(XMP)
CMT4GX3M2A2133C9(XMP)
CMT4GX3M2B2133C9(XMP)
F3-17000CL9Q-16GBZH(XMP1.3)
GE34GB2133C9DC(XMP)
GU34GB2133C9DC(XMP)
KHX2133C9AD3T1K2/4GX(XMP)
KHX2133C9AD3W1K2/4GX(XMP)
KHX2133C9AD3X2K2/4GX(XMP)
KHX2133C9AD3T1K4/8GX(XMP)
KINGSTON KHX2133C9AD3T1FK4/
8GX(XMP)
1-14
Size
SS/ Chip Chip
DS Brand NO.
2GB
4GB(2x 2GB)
4GB(2x 2GB)
16GB ( 4GB x4 )
2GB
4GB(2 x 2GB)
4GB ( 2x 2GB )
4GB ( 2x 2GB )
4GB(2 x 2GB)
8GB(4 x 2GB)
SS
DS
DS
DS
DS
DS
DS
DS
DS
DS
-
-
9-11-9-27
9-10-9-24
9-10-9-27
9-11-10-28
9-9-9-28
9-9-9-28
9-11-9-27
9-11-9-27
1.55~1.75V
1.65V
1.50V
1.65V
1.65V
1.65V
1.65V
1.65V
1.65V
1.65V
•
8GB(4x 2GB)
DS
-
-
-
1.65V
•
•
•
•
•
•
•
•
•
DIMM socket support
(Optional)
1 DIMM
2 DIMMs
•
•
•
•
•
•
•
Chapter 1: Product introduction
DDR3-2000 MHz capability
Vendors
Apacer
CORSAIR
CORSAIR
G.SKILL
G.SKILL
G.SKILL
GEIL
KINGSTON
KINGSTON
KINGSTON
KINGSTON
KINGSTON
Transcend
DS
SS
DS
DS
DS
DS
DS
-
-
DIMM socket
Voltage support (Optional)
1 DIMM 2 DIMMs
9-9-9-27
1.65V
•
•
10-10-10-27 1.50V
•
•
8-9-8-24
1.65V
•
•
9-9-9-24
1.65V
•
•
9-9-9-27
1.65V
•
•
6-9-6-24
1.65V
•
•
9-9-9-28
1.65V
•
•
4GB ( 2x 2GB ) DS
-
-
-
1.65V
•
•
4GB ( 2x 2GB ) DS
-
-
-
1.65V
•
•
4GB(2 x 2GB)
DS
-
-
9
1.65V
•
•
6GB ( 3x 2GB ) DS
-
-
-
1.65V
•
•
6GB (3x 2GB ) DS
-
-
-
1.65V
•
•
8GB(2 x 4GB)
-
-
-
1.6V
•
•
Part No.
Size
78.AAGD5.9KD(XMP)
CMZ4GX3M2A2000C10(XMP)
CMT6GX3M3A2000C8(XMP)
F3-16000CL9D-4GBFLS(XMP)
F3-16000CL9D-4GBTD(XMP)
F3-16000CL6T-6GBPIS(XMP)
GUP34GB2000C9DC(XMP)
KHX2000C9AD3T1K2/
4GX(XMP)
KHX2000C9AD3W1K2/
4GX(XMP)
KHX2000C9AD3T1K2/
4GX(XMP)
KHX2000C9AD3W1K3/
6GX(XMP)
KHX2000C9AD3T1K3/
6GX(XMP)
TX2000KLN-8GK(XMP)
6GB(3 x 2GB)
4GB(2 x 2GB)
6GB(3 x 2GB)
4GB(2 x 2GB)
4GB(2 x 2GB)
6GB (3x 2GB )
4GB(2 x 2GB)
Chip
Brand
SS/DS
DS
Chip
NO.
Timing
DDR3-1866 MHz capability
Vendors
A-DATA
CORSAIR
CORSAIR
CORSAIR
G.SKILL
G.SKILL
G.SKILL
KINGSTON
KINGSTON
KINGSTON
KINGSTON
Part No.
AX3U1866PB2G8DP2(XMP)
CMT4GX3M2A1866C9(XMP)
CMT6GX3MA1866C9(XMP)
CMZ8GX3M2A1866C9(XMP)
F3-14900CL9Q16GBZL(XMP1.3)
F3-14900CL10Q264GBZLD(XMP1.3)
F3-14900CL9Q8GBXL(XMP)
KHX1866C9D3T1K3/
3GX(XMP)
KHX1866C9D3K4/
16GX(XMP)
KHX1866C9D3T1K3/
6GX(XMP)
KHX1866C11D3P1K2/8G
ASUS P8B75-M LX
Size
Chip
SS/DS Brand
Chip
NO.
Timing
Voltage
DIMM socket
support (Optional)
1 DIMM
2 DIMM
2GB
DS
-
-
8-8-8-24
1.55V-1.75V •
•
4GB(2 x 2GB)
6GB(3 x 2GB)
8GB(2 x 4GB)
DS
DS
DS
-
-
9-9-9-24
9-9-9-24
9-10-9-27
1.65V
1.65V
1.50V
•
•
•
•
•
•
16GB(4 x 4GB)
DS
-
-
9-10-9-28
1.5V
•
•
64GB(8 x 8GB)
DS
-
-
10-11-10-30 1.5V
•
•
8GB(4 x 2GB)
DS
-
-
9-9-9-24
1.6V
•
•
3GB(3 x 1GB)
SS
-
-
-
1.65V
•
•
16GB(4 x4GB)
DS
-
-
-
1.65V
•
•
6GB(3 x 2GB)
DS
-
-
-
1.65V
•
•
8GB(2 x 4GB)
DS
-
-
-
1.5V
•
•
1-15
DDR3-1600 MHz capability
Vendors
Part No.
SS/
DS
Chip
Brand
Chip NO.
Timing
Voltage
DIMM socket
support (Optional)
1 DIMM 2 DIMMs
-
-
•
•
8-8-8-24
1.65V-1.85V
•
•
-
-
•
•
-
3CCD-1509
A EL1126T
3CCD-1509
A EL1126T
-
9-9-9-24
7-9-7-21
8-8-8-24
8-8-8-24
8-8-8-24
9-9-9-24
7-8-7-20
9-9-9-24
8-8-8-24
8-8-8-24
9-9-9-24
9-9-9-24
7-8-7-20
9-9-9-24
9-9-9-24
7-7-7-24
7-8-7-24
8-8-8-24
9-9-9-24
9-9-9-24
9-9-9-24
7-8-7-24
8-8-8-24
9-9-9-24
1.55V-1.75V
1.55V-1.75V
1.65V
1.65V
1.65V
1.65V
1.65V
1.65V
1.65V
1.65V
1.65V
1.65V
1.50V
1.65V
1.5V
1.6V
1.6V
1.60V
XMP 1.35V
1.5V
1.5V~1.6V
1.6V
XMP 1.35V
1.5V
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
DS
-
-
9-9-9-28
1.6V
•
DS
-
8-8-8-28
1.6V
•
4GB
DS
HYNIX
-
-
•
•
SS
DS
DS
SS
DS
-
7
7
9-9-9-27
1.5V
1.65V
•
•
•
•
•
•
•
•
DS
-
-
-
1.65V
•
•
KINGSTON KHX1600C9AD3/2G
1GB
2GB
2GB
4GB(2 x 2GB)
12GB(3x4GB)
16GB ( 4GB
x4 )
2GB
H5TQ2G83
CFR PBC
-
DS
-
-
1.65V
•
•
KINGSTON KVR1600D3N11/2G-ES
2GB
DS
11-11-11-28 1.35V-1.5V
•
•
KINGSTON
KINGSTON
KINGSTON
KINGSTON
KINGSTON
KINGSTON
KINGSTON
KINGSTON
KINGSTON
KINGSTON
KINGSTON
Super Talent
Transcend
Asint
Asint
Asint
Elixir
Mushkin
Mushkin
PATRIOT
4GB ( 2x 2GB )
4GB(2 x 2GB)
4GB(2 x 2GB)
4GB(2 x 2GB)
4GB(2 x 2GB)
4GB(2 x 2GB)
6GB ( 3x 2GB )
6GB(3 x 2GB)
6GB(3 x 2GB)
8GB(2 x 4GB)
8GB(2 x 4GB)
6GB(3 x 2GB)
8GB(4GBx2)
2GB
4GB
4GB
2GB
6GB(3 x 2GB)
6GB(3 x 2GB)
4GB(2 x 2GB)
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
8
8
9
9
9-9-9-27
9
9-9-9-27
9-9-9-27
9
9-9-9-24
9-9-9-24
9-9-9-24
7-7-7-20
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
A-DATA
AM2U16BC2P1
2GB
SS
A-DATA
A-DATA
AD31600E001GM(O)U3K
3GB(3 x 1GB)
SS
-
A-DATA
AM2U16BC4P2
4GB
DS
A-DATA
A-DATA
A-DATA
CORSAIR
CORSAIR
CORSAIR
CORSAIR
CORSAIR
CORSAIR
CORSAIR
CORSAIR
CORSAIR
CORSAIR
CORSAIR
CORSAIR
Crucial
G.SKILL
G.SKILL
G.SKILL
G.SKILL
G.SKILL
G.SKILL
G.SKILL
G.SKILL
G.SKILL
G.SKILL
AX3U1600GC4G9-2G(XMP)
AX3U1600XC4G79-2X(XMP)
TR3X3G1600C8D(XMP)
CMD12GX3M6A1600C8(XMP)
CMP4GX3M2A1600C8(XMP)
CMP4GX3M2A1600C9(XMP)
CMP4GX3M2C1600C7(XMP)
CMX4GX3M2A1600C9(XMP)
TR3X6G1600C8 G(XMP)
TR3X6G1600C8D G(XMP)
TR3X6G1600C9 G(XMP)
CMP8GX3M2A1600C9(XMP)
CMZ8GX3M2A1600C7R(XMP)
CMX8GX3M4A1600C9(XMP)
BL25664BN1608.16FF(XMP)
F3-12800CL9D-2GBNQ(XMP)
F3-12800CL7D-4GBRH(XMP)
F3-12800CL7D-4GBRM(XMP)
F3-12800CL8D-4GBRM(XMP)
F3-12800CL9D-4GBECO(XMP)
F3-12800CL9D-4GBRL(XMP)
F3-12800CL9T-6GBNQ(XMP)
F3-12800CL7D-8GBRH(XMP)
F3-12800CL8D-8GBECO(XMP)
F3-12800CL9D-8GBRL(XMP)
DS
DS
SS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
DS
SS
SS
DS
DS
DS
DS
DS
DS
DS
DS
GEIL
GET316GB1600C9QC(XMP)
GEIL
GV34GB1600C8DC(XMP)
8GB(2 x 4GB)
8GB(2 x 4GB)
3GB(3 x 1GB)
12GB(6x2GB)
4GB(2 x 2GB)
4GB(2 x 2GB)
4GB(2 x 2GB)
4GB(2 x 2GB)
6GB(3 x 2GB)
6GB(3 x 2GB)
6GB(3 x 2GB)
8GB(2 x 4GB)
8GB(2 x 4GB)
8GB(4 x 2GB)
6GB(3 x 2GB)
2GB(2 x 1GB)
4GB(2 x 2GB)
4GB(2 x 2GB)
4GB(2 x 2GB)
4GB(2 x 2GB)
4GB(2 x 2GB)
6GB(3 x 2GB)
8GB(2 x 4GB)
8GB(2 x 4GB)
8GB(2 x 4GB)
16GB ( 4x
4GB )
2GB
HYNIX
HMT351U6CFR8C-PB
KINGMAX
KINGMAX
KINGMAX
KINGSTON
KINGSTON
FLGD45F-B8MF7 MAEH(XMP)
FLGE85F-B8KJ9A FEIS(XMP)
FLGE85F-B8MF7 MEEH(XMP)
KHX1600C9D3P1K2/4G
KHX1600C9D3K3/12GX(XMP)
KINGSTON KHX1600C9D3K4/16GX(XMP)
1-16
Size
KHX1600C7D3K2/4GX(XMP)
KHX1600C8D3K2/4GX(XMP)
KHX1600C8D3T1K2/4GX(XMP)
KHX1600C9D3K2/4GX(XMP)
KHX1600C9D3LK2/4GX(XMP)
KHX1600C9D3X2K2/4GX(XMP)
KHX1600C9D3T1K3/6GX(XMP)
KHX1600C9D3K3/6GX(XMP)
KHX1600C9D3T1BK3/6GX(XMP)
KHX1600C9D3K2/8GX(XMP)
KHX1600C9D3P1K2/8G
WA160UX6G9
JM1600KLN-8GK
SLZ3128M8-EGJ1D(XMP)
SLA302G08-EGG1C(XMP)
SLA302G08-EGJ1C(XMP)
M2P2G64CB8HC9N-DG(XMP)
998659(XMP)
998659(XMP)
PGS34G1600LLKA
D1288JPN
KTC
DPLD9U
Transcend TK483PCW3
Asint
3128M8-GJ1D
Asint
302G08-GG1C
Asint
302G08-GJ1C
-
1.65V
1.65V
1.65V
1.65V
XMP 1.35V
1.65V
1.65V
1.65V
1.65V
1.65V
1.5V
1.6V
1.5~1.6V
1.7V
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Chapter 1: Product introduction
DDR3-1333 MHz capability
Vendors
A-DATA
A-DATA
A-DATA
A-DATA
A-DATA
A-DATA
Part No.
Size
SS/
DS
Chip Brand
Chip NO.
Timing
Voltage
1GB
2GB
2GB
2GB
2GB
3GB(3 x 1GB)
SS
SS
SS
SS
SS
SS
A-Data
A-DATA
A-Data
ADATA
-
AD30908C8D-151C E0906
3CCD-1509HNA1126L
3CCA-1509A
3CCD-1509A EL1127T
-
8-8-8-24
4GB(2 x 2GB)
SS
-
-
9-9-9-24
2GB
4GB
4GB
8GB
2GB
2GB
2GB
4GB
3GB(3 x 1GB)
6GB(3 x 2GB)
DS
DS
DS
DS
DS
DS
DS
DS
SS
SS
A-Data
ADATA
ELPIDA
Apacer
Apacer
Apacer
Apacer
-
3CCA-1509A
3CCD-1509A EL1127T
J4208BASE-DJ-F
AM5D5808DEWSBG
AM5D5808FEQSBG
AM5D5808APQSBG
AM5D5908CEHSBG
-
8-8-8-24
9
9-9-9-24
9-9-9-24
1.65-1.85V
1.25V-1.35V
(low voltage)
1.65-1.85V
1.50V
1.50V
24GB(6 x 4GB) DS
-
-
9-9-9-24
4GB(2 x 2GB)
4GB
4GB
8GB(4 x 2GB)
1GB
2GB
DS
DS
DS
DS
SS
DS
CORSAIR
Micron
Micron
256MBDCJGELC0401136
9FF22D9KPT
9KF27D9KPT
9-9-9-24
9-9-9-24
9-9-9-24
7-7-7-20
9
9
Crucial
AD31333001GOU
AD3U1333C2G9
AD63I1B0823EV
AM2U139C2P1
AX3U1333C2G9-BP
AD31333G001GOU
AXDU1333GC2
G9-2G(XMP)
AD31333G002GMU
AD63I1C1624EV
AM2U139C4P2
SU3U1333W8G9-B
78.A1GC6.9L1
78.A1GC6.9L1
AU02GFA33C9NBGC
78.B1GDE.9L10C
TR3X3G1333C9 G
TR3X6G1333C9 G
CMD24GX3M6A
1333C9(XMP)
TW3X4G1333C9D G
CM3X4GA1333C9N2
CMX4GX3M1A1333C9
CMD8GX3M4A1333C7
CT12864BA1339.8FF
CT25664BA1339.16FF
BL25664BN
1337.16FF (XMP)
6GB(3 x 2GB)
DS
-
-
ELPIDA
EBJ10UE8EDF0-DJ-F
1GB
SS
ELPIDA
J1108EDSE-DJ-F
ELPIDA
EBJ21UE8EDF0-DJ-F
2GB
DS
ELPIDA
J1108EDSE-DJ-F
G.SKILL
1GB
SS
G.SKILL
2GB(2 x 1GB)
SS
3GB(3 x 1GB)
GEIL
F3-10600CL8
D-2GBHK(XMP)
F3-10600CL9
D-2GBNQ
F3-10666CL7
T-3GBPK(XMP)
F3-10666CL8
D-4GBECO(XMP)
F3-10666CL7
T-6GBPK(XMP)
F3-10666CL7
D-8GBRH(XMP)
GV32GB1333C9DC
GEIL
A-DATA
A-DATA
A-DATA
A-DATA
A-DATA
Apacer
Apacer
Apacer
Apacer
CORSAIR
CORSAIR
DIMM socket
support (Optional)
1 DIMM 2 DIMMs
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
1.60V
•
•
1.50V
1.50V
1.60V
-
•
•
•
•
•
•
•
•
•
•
•
•
7-7-7-24
1.65V
•
•
-
•
•
-
1.35V(low
voltage)
1.35V(low
voltage)
•
•
-
-
-
•
•
-
-
9-9-9-24
1.5V
•
•
SS
-
-
7-7-7-18
1.5~1.6V
•
•
4GB(2 x 2GB)
DS
-
-
8-8-8-8-24 XMP 1.35V
•
•
6GB(3 x 2GB)
DS
-
-
7-7-7-18
1.5~1.6V
•
•
8GB(2 x 4GB)
DS
-
-
7-7-7-21
1.5V
•
•
2GB(2 x 1GB)
DS
-
-
9-9-9-24
•
•
GG34GB1333C9DC
4GB(2 x 2GB)
DS
GEIL
GL1L128M88BA12N
9-9-9-24
•
•
GEIL
GEIL
GV34GB1333C9DC
GVP34GB1333C7DC
4GB(2 x 2GB)
4GB(2 x 2GB)
DS
DS
-
-
9-9-9-24
7-7-7-24
•
•
•
•
Hynix
HMT112U6TFR8A-H9
1GB
SS
Hynix
H5TC1G83TFRH9A
-
•
•
Hynix
HMT325U6BFR8C-H9
2GB
SS
Hynix
H5TQ2G83BFRH9C
-
•
•
Hynix
HMT125U6TFR8A-H9
2GB
DS
Hynix
H5TC1G83TFRH9A
-
•
•
Hynix
KINGMAX
KINGMAX
KINGMAX
KINGMAX
KINGMAX
KINGMAX
KINGMAX
HMT351U6BFR8C-H9
FLFD45F-B8KL9 NAES
FLFE85F-C8KF9 CAES
FLFE85F-C8KL9 NAES
FLFE85F-C8KM9 NAES
FLFE85F-B8KL9 NEES
FLFF65F-C8KL9 NEES
FLFF65F-C8KM9 NEES
KVR1333D3N
9/1G(low profile)
KVR1333D3N
9/2G(low profile)
KVR1333D3S8N9/2G
KVR1333D3S8
N9/2G-SP(low profile)
KVR1333D3N9/
2G(low profile)
KVR1333D3N9/2G
4GB
1GB
2GB
2GB
2GB
2GB
4GB
4GB
DS
SS
SS
SS
SS
DS
DS
DS
Hynix
KINGMAX
KINGMAX
KINGMAX
KINGMAX
KINGMAX
KINGMAX
KINGMAX
H5TQ2G83BFRH9C
KKB8FNWBFGNX-27A
KFC8FMFXF-DXX-15A
KFC8FNLXF-DXX-15A
KFC8FNMXF-BXX-15A
KKB8FNWBFGNX-26A
KFC8FNLXF-DXX-15A
KFC8FNMXF-BXX-15A
-
1.5V
1.3V(low
voltage)
1.5V
1.5V
1.35V(low
voltage)
1.35V(low
voltage)
-
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
1GB
SS
ELPIDA
J1108BDBG-DJ-F
9
1.5V
•
•
2GB
SS
Hynix
H5TQ2G83AFRH9C
9
-
•
2GB
SS
Micron
IID77 D9LGK
-
1.5V
•
•
2GB
SS
ELPIDA
J2108BCSE-DJ-F
-
1.5V
•
•
2GB
DS
ELPIDA
J1108BFBG-DJ-F
9
1.5V
•
•
2GB
DS
KTC
D1288JPNDPLD9U
9
1.5V
•
•
CORSAIR
CORSAIR
CORSAIR
CORSAIR
CORSAIR
Crucial
Crucial
G.SKILL
G.SKILL
G.SKILL
G.SKILL
G.SKILL
KINGSTON
KINGSTON
KINGSTON
KINGSTON
KINGSTON
KINGSTON
(continued on the next page)
ASUS P8B75-M LX
1-17
DDR3-1066 MHz capability
KINGSTON
KVR1333D3N9/2G
KVR1333D3N9/2GSP(low profile)
KINGSTON KVR1333D3N9
/2G-SP(low profile)
KINGSTON KHX1333C7D3
K2/4GX(XMP)
KINGSTON KHX1333C9D3
UK2/4GX(XMP)
KINGSTON KVR1333D3N
9/4G(low profile)
KINGSTON KVR1333D3N
9/4G(low profile)
KINGSTON KVR1333D3N9/4G
KINGSTON KVR1333D3N9/4G
KINGSTON KVR1333D3N9/
4G-SP(low profile)
Micron
MT4JTF12864AZ-1G4D1
Micron
MT8JTF12864AZ-1G4F1
Micron
MT8JTF25664AZ-1G4D1
Micron
MT8JTF25664AZ-1G4M1
MT16JTF25664AZMicron
1G4F1
MT16JTF51264AZMicron
1G4D1
NANYA
NT4GC64B8HG0NF-CG
PSC
AL7F8G73F-DJ2
PSC
AL8F8G73F-DJ2
SAMSUNG
M378B2873FHS-CH9
SAMSUNG
M378B5773DH0-CH9
SAMSUNG
M378B5673FH0-CH9
SAMSUNG
M378B5273CH0-CH9
SAMSUNG
M378B1G73AH0-CH9
Super Talent W1333UA1GH
Super Talent W1333UB2GS
Super Talent W1333UB4GS
Super Talent W1333UX6GM
Transcend
JM1333KLN-2G
PC3-10600
Century
DDR3-1333 9-9-9
Elixir
M2F2G64CB88B7N-CG
Elixir
M2F2G64CB88D7N-CG
Elixir
M2F2G64CB88G7N-CG
Elixir
M2F4G64CB8HB5N-CG
Elixir
M2F4G64CB8HD5N-CG
KINGSHARE KSRPCD313332G
KINGSTEK
KSTD3PC-10600
2GB
DS
ELPIDA
J1108BDSE-DJ-F
9
1.5V
DIMM socket
support (Optional)
1 DIMM 2 DIMMs
•
•
KINGSTON
2GB
DS
KTC
D1288JEMFNGD9U
-
1.5V
•
•
2GB
DS
KINGSTON
D1288JPSFPGD9U
-
1.5V
•
•
4GB(2 x 2GB)
DS
-
-
7
1.65V
•
•
4GB(2 x 2GB)
DS
-
-
9
XMP 1.25V
•
4GB
DS
ELPIDA
J2108BCSE-DJ-F
9
1.5V
•
•
4GB
DS
ELPIDA
J2108BCSE-DJ-F
-
1.5V
•
•
4GB
4GB
DS
DS
KTC
Hynix
D2568JENCNGD9U
H5TQ2G83AFR
-
1.5V
-
•
•
•
•
4GB
DS
KINGSTON
D2568JENCPGD9U
-
1.5V
•
•
1GB
1GB
2GB
2GB
SS
SS
SS
SS
Micron
Micron
Micron
MICRON
OJD12D9LGQ
9FF22D9KPT
OJD12D9LGK
IJM22 D9PFJ
9
-
-
•
•
•
•
•
•
•
•
2GB
DS
Micron
9KF27D9KPT
9
-
•
•
4GB
DS
Micron
OLD22D9LGK
-
-
•
•
4GB
1GB
2GB
1GB
2GB
2GB
4GB
8GB
1GB
2GB
4GB
6GB(3x 2GB)
2GB
DS
SS
DS
SS
SS
DS
DS
DS
SS
DS
DS
DS
SS
NANYA
PSC
PSC
SAMSUNG
SAMSUNG
SAMSUNG
SAMSUNG
SAMSUNG
Hynix
SAMSUNG
SAMSUNG
Micron
Hynix
NT5CB256M8GN-CG
A3P1GF3FGF
A3P1GF3FGF
K4B1G0846F
K4B2G0846D
K4B1G0846F
K4B2G0846C
K4B4G0846A-HCH9
H5TQ1G83TFR
K4B1G0846F
K4B2G0846C
0BF27D9KPT
H5TQ2G83BZRH9C
9
9
9-9-9-24
-
1.5V
-
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
1GB
SS
NANYA
NT5CB128M8DN-CF
-
-
•
•
2GB
2GB
2GB
4GB
4GB
2GB
2GB
SS
SS
SS
DS
DS
DS
SS
Elixir
Elixir
Elixir
Elixir
Elixir
PATRIOT
MICRON
-
-
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Kingtiger
2GB
DS
SAMSUNG
-
-
•
•
2GB
DS
-
N2CB2G80BN-CG
N2CB2G80DN-CG
N2CB2G80GN-CG
N2CB2G80BN-CG
N2CB2G80DN-CG
PM128M8D385-15
PE911-125E
SEC 904 HCH9
K4B1G0846D
-
-
-
•
•
2GB
DS
MARKVISION M3D1288P-13
-
-
•
•
4GB
DS
MARKVISION M3D2568E-13
-
-
•
•
1GB
1GB
2GB
8GB
2GB
4GB
2GB
4GB
DS
DS
DS
DS
DS
DS
DS
DS
PATRIOT
ELPIDA
ELPIDA
RiDATA
RiDATA
PM64M8D38U-15
J1108BDBG-DJ-F
J2108BCSE-DJ-F
N/A
N/A
9
9-9-9-24
9
9
1.5V
-
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
1GB
SS
NANYA
NT5CB128M8AN-CG
9
-
•
•
1GB
SS
Elixir
N2CB1680AN-C6
9
-
•
•
2GB
DS
Elixir
N2CB1680AN-C6
9
-
•
•
1GB
SS
-
-
7-7-7-20
1.5V
•
•
2GB
DS
-
-
7-7-7-20
1.5V
•
•
2GB
DS
-
-
8-8-8-24
1.5V
•
2GB
DS
-
-
8-8-8-24
1.5V
•
•
2GB
2GB
DS
DS
UMAX
AMPO
U2S24D30TP-13
AM3420803-13H
-
-
•
•
•
•
Vendors
Kingtiger
Part No.
2GB DIMM PC3-10666
KTG2G1333PG3
MARKVISION BMD32048M1333C91123
MARKVISION BMD34096M1333C91124
PATRIOT
PSD31G13332H
PATRIOT
PSD31G13332
PATRIOT
PSD32G13332H
PATRIOT
PG38G1333EL(XMP)
RAMAXEL
RMR1870ED48E8F-1333
RAMAXEL
RMR1870EC58E9F-1333
RiDATA
C304627CB1AG22Fe
RiDATA
E304459CB1AG32Cf
SILICON
SP001GBLTU133S01
POWER
SILICON
SP001GBLTU133S02
POWER
SILICON
SP002GBLTU133S02
POWER
TMS1GB364D081TAKEMS
107EY
TMS2GB364D081TAKEMS
107EY
TMS2GB364D081TAKEMS
138EY
TMS2GB364D082TAKEMS
138EW
UMAX
E41302GP0-73BDB
WINTEC
3WVS31333-2G-CNR
1-18
Size
SS/
DS
Chip Brand
Chip NO.
Timing
Voltage
Chapter 1: Product introduction
DDR3-1066 MHz capability
Vendors
Part No.
Crucial
Crucial
ELPIDA
ELPIDA
CT12864BA1067.8FF
CT25664BA1067.16FF
EBJ10UE8EDF0-AE-F
EBJ21UE8EDF0-AE-F
KINGSTON KVR1066D3N7/1G(low
profile)
KINGSTON KVR1066D3N7/2G
KINGSTON KVR1066D3N7/4G
Micron
MT8JTF12864AZ-1G1F1
Micron
MT16JTF25664AZ-1G1F1
Kingtiger
2GB DIMM PC3-8500
Size
SS/
DS
1GB
2GB
1GB
2GB
SS
DS
SS
DS
Micron
Micron
ELPIDA
ELPIDA
9GF22D9KPT
9HF22D9KPT
J1108EDSE-DJ-F
J1108EDSE-DJ-F
7
7
-
1.35V(low voltage)
1.35V(low voltage)
DIMM socket
support (Optional)
1 DIMM 2 DIMMs
•
•
•
•
•
•
•
•
1GB SS
ELPIDA
J1108BFSE-DJ-F
7
1.5V
•
•
2GB
4GB
1GB
2GB
2GB
ELPIDA
Hynix
Micron
Micron
Hynix
J1108BDSE-DJ-F
H5TQ2G83AFR
9GF22D9KPT
9HF22D9KPT
H5TQ1G83AFP G7C
7
7
7
7
-
1.5V
1.5V
-
•
•
•
•
•
•
•
•
•
•
DS
DS
SS
DS
DS
Chip
Brand
Chip NO.
Timing
Voltage
Side(s): SS - Single-sided DS - Double-sided
DIMM support:
• 1 DIMM: S
upports one (1) module inserted into any slot as Single-channel memory
configuration. We suggest that you install the module into A1 slot.
• 2 DIMMs: S
upports two (2) modules inserted into the blue slots and the black slots as
one pair of Dual-channel memory configuration.
Visit the ASUS website at www.asus.com for the latest QVL.
ASUS P8B75-M LX
1-19
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.
Press the retaining clips outward to
unlock a DIMM socket.
2.
Align a DIMM on the socket such that
the notch on the DIMM matches the
DIMM slot key on the socket.
2
DIMM notch
1
DIMM slot key
Unlocked
retaining clip
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.
3
Firmly insert the DIMM into the socket
until the retaining clips snap back in place
and the DIMM is properly seated.
Locked Retaining Clip
1.7.4
Removing a DIMM
To remove a DIMM:
1.
Simultaneously press the retaining clips
outward to unlock the DIMM.
2
Support the DIMM lightly with your
fingers when pressing the retaining
clips. The DIMM might get damaged
when it flips out with extra force.
2.
1-20
Remove the DIMM from the socket.
1
DIMM notch
Chapter 1: Product introduction
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.
1.8.3
PCI slot
1.8.4
PCI Express 2.0 x1 slots
1.8.5
PCI Express 3.0/2.0 x16 slot
The PCI slot supports card such as a LAN card, SCSI card, USB card, and other cards that
comply with PCI specifications.
This motherboard supports PCI Express 2.0 x1 network cards, SCSI cards, and other cards
that comply with the PCI Express specifications.
This motherboard has a PCI Express 3.0/2.0 x16 slot that supports PCI Express 3.0/2.0 x16
graphic cards complying with the PCI Express specifications.
ASUS P8B75-M LX
1-21
IRQ assignments for this motherboard
Intel PCH SATA controller #0
Intel PCH SATA controller #1
Realtek 8111F controller
1.9
1.
A
B
C
D
E
F
G
H
–
–
–
shared
–
–
–
–
–
–
–
shared
–
–
–
–
shared
–
–
–
–
–
–
–
Jumpers
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.
CLRTC
1
2
2
3
Normal
(Default)
Clear RTC
P8B75-M LX
P8B75-M LX Clear RTC RAM
To erase the RTC RAM:
1. Turn OFF the computer and unplug the power cord.
2. Move the jumper cap from pins 1-2 (default) to pins 2-3. Keep the cap on pins 2-3
for about 5-10 seconds, then move the cap back to pins 1-2.
3. Plug the power cord and turn ON the computer.
4. Hold down the <Del> key during the boot process and enter BIOS setup to re-enter
data.
Except when clearing the RTC RAM, never remove the cap on CLRTC jumper default
position. Removing the cap will cause system boot failure!
• If the steps above do not help, remove the onboard battery and move the jumper again
to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the battery.
• You do not need to clear the RTC when the system hangs due to overclocking. For
system failure due to overclocking, use the CPU Parameter Recall (C.P.R.) feature. Shut
down and reboot the system, then the BIOS automatically resets parameter settings to
default values.
1-22
Chapter 1: Product introduction
1.10
Connectors
1.10.1
Rear panel connectors
1
2
10
9
8
7
6
3 4
5
1.
PS/2 Mouse port (green). This port is for a PS/2 mouse.
2.
LAN (RJ-45) port. This port allows Gigabit connection to a Local Area Network (LAN)
through a network hub. Refer to the table below for the LAN port LED indications.
LAN port LED indications
ACT/LINK LED
Activity Link Speed
LED
LED
SPEED LED
Status
Description
Status
Description
OFF
No link
OFF
10 Mbps connection
ORANGE
Linked
ORANGE
100 Mbps connection
BLINKING
Data activity
GREEN
1 Gbps connection
LAN port
3.
Line In port (light blue). This port connects the tape, CD, DVD player, or other audio
sources.
4.
Line Out port (lime). This port connects to a headphone or a speaker. In 4-channel,
6-channel, and 8-channel configurations, the function of this port becomes Front
Speaker Out.
5.
Microphone port (pink). This port connects a microphone.
Refer to the audio configuration table below for the function of the audio ports in the 2, 4, 6,
or 8-channel configuration.
Audio 2, 4, 6, 8-channel configuration
Port
Headset 2-channel
4-channel
6-channel
8-channel
Light Blue (Rear panel)
Line In
Rear Speaker Out
Rear Speaker Out
Rear Speaker Out
Lime (Rear panel)
Line Out
Front Speaker Out
Front Speaker Out
Front Speaker Out
Pink (Rear panel)
Mic In
Mic In
Bass/Center
Bass/Center
Lime (Front panel)
-
-
-
Side Speaker Out
To configure an 8-channel audio output:
Use a chassis with HD audio module in the front panel to support an 8-channel audio output.
ASUS P8B75-M LX
1-23
6.
USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are
available for connecting USB 2.0/1.1 devices.
7.
USB 3.0 ports 1 and 2. These two 9-pin Universal Serial Bus (USB) ports connect to
USB 3.0/2.0 devices.
• DO NOT connect a keyboard / mouse to any USB 3.0 port when installing Windows®
operating system.
• Due to USB 3.0 controller limitation, USB 3.0 devices can only be used under Windows®
OS environment and after the USB 3.0 driver installation.
• USB 3.0 devices can only be used as data storage only.
• We strongly recommend that you connect USB 3.0 devices to USB 3.0 ports for faster
and better performance for your USB 3.0 devices.
8.
Video Graphics Adapter (VGA) port. This 15-pin port is for a VGA monitor or other
VGA-compatible devices.
9.
DVI-D port. This port is for any DVI-D compatible device. DVI-D can’t be converted to
output RGB Signal to CRT and isn’t compatible with DVI-I.
10. USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports are
available for connecting USB 2.0/1.1 devices.
1-24
Chapter 1: Product introduction
1.10.2
1.
Internal connectors
Front panel audio connector (10-1 pin AAFP)
NC
AGND
NC
NC
SENSE2_RETUR
AGND
NC
SENSE1_RETUR
This connector is for a chassis-mounted front panel audio I/O module that supports
either HD Audio or legacy AC`97 audio standard. Connect one end of the front panel
audio I/O module cable to this connector.
AAFP
P8B75-M LX
HD-audio-compliant
pin definition
MIC2
MICPWR
Line out_R
NC
Line out_L
PIN 1
PORT1 L
PORT1 R
PORT2 R
SENSE_SEND
PORT2 L
PIN 1
Legacy AC’97
compliant definition
P8B75-M LX Front panel audio connector
• We recommend that you connect a high-definition front panel audio module to this
connector to avail of the motherboard’s high-definition audio capability.
• If you want to connect a high-definition front panel audio module to this connector, set
the Front Panel Type item in the BIOS setup to [HD]. If you want to connect an AC'97
front panel audio module to this connector, set the item to [AC97]. By default, this
connector is set to [HD]. See section 2.5.7 Onboard Devices Configuration for details.
2.
Digital audio connector (4-1 pin SPDIF_OUT)
SPDIFOUT
GND
P8B75-M LX
+5V
This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port. Connect
the S/PDIF Out module cable to this connector, then install the module to a slot
opening at the back of the system chassis.
SPDIF_OUT
P8B75-M LX Digital audio connector
The S/PDIF module is purchased separately.
ASUS P8B75-M LX
1-25
3.
ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)
These connectors are for ATX power supply plugs. The power supply plugs are
designed to fit these connectors in only one orientation. Find the proper orientation and
push down firmly until the connectors completely fit.
+12V DC
+12V DC
EATX12V
GND
GND
PIN 1
P8B75-M LX
EATXPWR
+3 Volts
+12 Volts
+12 Volts
+5V Standby
Power OK
GND
+5 Volts
GND
+5 Volts
GND
+3 Volts
+3 Volts
GND
+5 Volts
+5 Volts
+5 Volts
-5 Volts
GND
GND
GND
PSON#
GND
-12 Volts
+3 Volts
PIN 1
P8B75-M LX ATX power connectors
• 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 350 W.
• DO NOT forget to connect the 4-pin ATX +12V power plug. Otherwise, the system will
not boot up.
• We recommend that you use a PSU with higher power output when configuring a
system with more power-consuming devices. 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.
4.
Serial port connector (10-1 pin COM1)
This connector is for a serial (COM) port. Connect the serial port module cable to this
connector, then install the module to a slot opening at the back of the system chassis.
PIN 1
DCD
TXD
GND
RTS
RI
RXD
DTR
DSR
CTS
COM1
P8B75-M LX
P8B75-M LX Serial port (COM1) connector
The COM module is purchased separately.
1-26
Chapter 1: Product introduction
5.
CPU and chassis fan connectors (4-pin CPU_FAN, 3-pin CHA_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.
CPU FAN PWM
CPU FAN IN
+12V
GND
CPU_FAN
CHA_FAN
P8B75-M LX
GND
CHA FAN PWR
CHA FAN IN
P8B75-M LX fan connectors
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 a CPU fan of maximum 2A (24 W) fan power.
• Only the 4-pin CPU fan supports the ASUS Fan Xpert feature.
6.
LPT connector (26-1 pin LPT)
The LPT (Line Printing Terminal) connector supports devices such as a printer. LPT is
standardized as IEEE 1284, which is the parallel port interface on IBM PC-compatible
computers.
SLCT
PE
BUSY
ACK#
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
STB#
LPT
PIN 1
GND
GND
GND
GND
GND
GND
GND
GND
SLIN#
INIT#
ERR#
AFD
P8B75-M LX
P8B75-M LX Parallel Port Connector
ASUS P8B75-M LX
1-27
7.
System panel connector (10-1 pin F_PANEL)
This connector supports several chassis-mounted functions.
F_PANEL
PLED+
PLEDPWR
GND
PWR LED PWR BTN
HD_LED+
HD_LEDGround
Reset
PIN 1
P8B75-M LX
+HD_LED
RESET
P8B75-M LX System panel connector
•
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 +HDLED)
•
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.
ATX power button/soft-off button (2-pin PWRBTN)
•
This 2-pin connector is for the system power button.
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.
8.
Speaker connector (4-pin SPEAKER)
The 4-pin connector is for the chassis-mounted system warning speaker. The speaker
allows you to hear system beeps and warnings.
+5V
GND
GND
Speaker Out
SPEAKER
P8B75-M LX
PIN 1
P8B75-M LX Speaker Out Connector
1-28
Chapter 1: Product introduction
9.
Intel® B75 Serial ATA 3.0Gb/s connectors (7-pin SATA3G_1~5 [blue])
These connectors connect to Serial ATA 3.0 Gb/s hard disk drives and optical drives via
Serial ATA 3.0 Gb/s signal cables.
GND
RSATA_RXP2
RSATA_RXN2
GND
RSATA_TXN2
RSATA_TXP2
GND
GND
RSATA_TXP1
RSATA_TXN1
GND
RSATA_RXN1
RSATA_RXP1
GND
SATA3G_1
SATA3G_2
GND
RSATA_RXP5
RSATA_RXN5
GND
RSATA_TXN5
RSATA_TXP5
GND
GND
RSATA_TXP3
RSATA_TXN3
GND
RSATA_RXN3
RSATA_RXP3
GND
SATA3G_3
GND
RSATA_TXP4
RSATA_TXN4
GND
RSATA_RXN4
RSATA_RXP4
GND
SATA3G_4
P8B75-M LX
SATA3G_5
P8B75-M LX Intel® SATA 3.0Gb/s connectors
• You must install Windows® XP Service Pack 3 or later version before using Serial ATA
hard disk drives.
• When using hot-plug and NCQ, set the SATA Mode Selection item in the BIOS to
[AHCI]. See section 2.5.3 SATA Configuration for details.
10. Intel® B75 Serial ATA 6.0Gb/s connectors (7-pin SATA6G_1 [gray])
These connectors connect to Serial ATA 6.0 Gb/s hard disk drives via Serial ATA 6.0
Gb/s signal cables.
GND
RSATA_RXP1
RSATA_RXN1
GND
RSATA_TXN1
RSATA_TXP1
GND
SATA6G_1
P8B75-M LX
P8B75-M LX Intel® SATA 6.0Gb/s connectors
• You must install Windows® XP Service Pack 3 or later version before using Serial ATA
hard disk drives.
• When using hot-plug and NCQ, set the SATA Mode Selection item in the BIOS to
[AHCI]. See section 2.5.3 SATA Configuration for details.
ASUS P8B75-M LX
1-29
11.
USB 3.0 connector (20-1 pin USB3_34)
This connector is for the additional USB 3.0 ports. Connect the USB 3.0 bracket cable
to this connector, then install the USB 3.0 bracket to the rear side of the chassis. If your
chassis support customized front panel installation, with ASUS USB 3.0 header, you
can have a front panel USB 3.0 solution.
USB3_34
P8B75-M LX
P8B75-M LX USB3.0 Front panel connector
The USB 3.0 module is purchased separately.
12. USB 2.0 connectors (10-1 pin USB56, USB78)
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.
PIN 1
USB+5V
USB_P6USB_P6+
GND
NC
USB56
USB+5V
USB_P5USB_P5+
GND
PIN 1
P8B75-M LX
USB+5V
USB_P7USB_P7+
GND
USB+5V
USB_P8USB_P8+
GND
NC
USB78
P8B75-M LX USB2.0 connector
Never connect a 1394 cable to the USB connectors. Doing so will damage the motherboard!
The USB module cable is purchased separately.
1-30
Chapter 1: Product introduction
13. Chassis intrusion connector (4-1 pin CHASSIS)
This connector is for a chassis-mounted intrusion detection sensor or switch. Connect
one end of the chassis intrusion sensor or switch cable to this connector. The chassis
intrusion sensor or switch sends a high-level signal to this connector when a chassis
component is removed or replaced. The signal is then generated as a chassis intrusion
event.
By default, the pin labeled “Chassis Signal” and “Ground” are shorted with a jumper
cap. Remove the jumper caps only when you intend to use the chassis intrusion
detection feature.
Chassis Signal
GND
P8B75-M LX
+5VSB_MB
CHASSIS
P8B75-M LX Chassis intrusion connector
1.11
1.
Onboard LEDs
Standby Power LED
The motherboard comes with a standby power LED that lights up to indicate that the
system is ON, in sleep mode, or in soft-off mode. This is a reminder that you 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.
SB_PWR
P8B75-M LX
ON
Standby Power
OFF
Powered Off
P8B75-M LX Onboard LED
ASUS P8B75-M LX
1-31
1.13
Software support
1.13.1
Installing an operating system
This motherboard supports Windows® XP / Vista / 7 Operating Systems (OS). Always install
the latest OS version and corresponding updates to maximize the features of your hardware.
• Motherboard settings and hardware options vary. Refer to your OS documentation for
detailed information.
• Ensure that you install Windows® XP Service Pack 3 or later versions / Windows® Vista
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.
To run the Support DVD
Place the Support DVD to the optical drive. If Autorun is enabled in your computer, the DVD
automatically displays the Specials screen. Click Drivers, Utilities, Manual, Contact, and
Specials tabs to display their respective menus.
The following screen is 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.
1-32
Chapter 1: Product introduction
1.13.3
Intel® SBA support
Intel SBA (Small Business Advantage) is a combination of hardware and software that
provides unique security and productivity capabilities designed for small businesses.
®
Intel® SBA requires MEI driver (AMT host software kit) installed.
Platform requirements:
•
Windows® 7 (32/64bit)
•
Panther Point PCH with Core™ Ivy Bridge CPU or Sandy Bridge CPU (Chief River/
Maho Bay platforms) with 5MB vPro ME 8.0 firmware load
CPU and chipsets requirements:
*
Intel® Core™ i3 with B75
*
Intel® Core™ i5 with B75
*
Intel® Core™ i7 with B75
*
Intel® vPro™ i5 with one of these chipsets: B75, Q77
*
Intel® vPro™ i7 with one of these chipsets: B75, Q77
•
The Intel® Management Engine software kit must be installed (The Local Manageability
Service and the Intel® Management Engine Interface must be installed and running.)
•
Local Administrator rights on the target machine
• THE Intel® SBA does not support the 800 x 600 screen resolution.
• Visit the ASUS website at www.asus.com for the latest CPU QVL (Qualified Vendors
List).
ASUS P8B75-M LX
1-33
1-34
Chapter 1: Product introduction
Chapter 2
BIOS information
2.1
Managing and updating your BIOS
Save a copy of the original motherboard BIOS file to a USB flash disk in case you need to
restore the BIOS in the future. Copy the original motherboard BIOS using the ASUS Update
utility.
2.1.1
ASUS Update utility
The ASUS Update is a utility that allows you to manage, save, and update the motherboard
BIOS in Windows® environment.
• ASUS Update requires an Internet connection either through a network or an Internet
Service Provider (ISP).
• This utility is available in the support DVD that comes with the motherboard package.
Installing ASUS Update
To install ASUS Update:
1.
Place the support DVD in the optical drive. The Specials menu appears.
2.
Click the Utilities tab, then click AI Suite II.
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 > AI Suite II > AI Suite II X.XX.XX to
launch the AI Suite II utility. The AI Suite II Quick Bar appears.
2.
Click Update button from the Quick Bar, and then click ASUS Update from the popup menu. The
ASUS Update main screen appears. From the list, select either of the following methods:
Updating from the Internet
Select Update BIOS from the Internet, then click Next.
a.
b.
Select the ASUS FTP site nearest you to avoid network traffic, then click Next.
c.
From the FTP site, select the BIOS version that you wish to download then click Next.
ASUS P8B75-M LX
2-1
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 file, then click Next.
b.
Locate the BIOS file from the Open window, then click Open.
3.
Follow the onscreen instructions to complete the updating process.
2.1.2
ASUS EZ Flash 2
The ASUS EZ Flash 2 feature allows you to update the BIOS without using an OS‑based
utility.
Before you start using this utility, download the latest BIOS file from the ASUS website at
www.asus.com.
To update the BIOS using EZ Flash 2:
1.
Insert the USB flash disk that contains the latest BIOS file to the USB port.
2.
Enter the Advanced Mode of the BIOS setup program. Go to the Tool menu to select ASUS EZ
Flash Utility and press <Enter> to enable it.
Exit
ASUS EZ Flash 2 Utility V01.04
Flash Info
MODEL: P8B75-M LX
VER: 0203
DATE: 04/01/2012
File Path:
Drive Info
fs0:\
Folder Info
04/01/201210:23p
8390656
P8B75MLX.CAP
File Info
MODEL:
VER:
DATE
Help Info
[Enter] Select or Load
2-2
[Tab] Switch
[Up/Down/PageUp/PageDown/Home/End] Move
[Esc] Exit
Chapter 2: BIOS information
3.
Press <Tab> to switch to the Drive field.
4.
Press the Up/Down arrow keys to find the USB flash disk that contains the latest BIOS, and then
press <Enter>.
5.
Press <Tab> to switch to the Folder Info field.
6.
Press the Up/Down arrow keys to find the BIOS file, and then press <Enter> to perform the BIOS
update process. Reboot the system when the update process is done.
• This function supports USB flash disks with FAT 32/16 format and single partition only.
• DO NOT shut down or reset the system while updating the BIOS to prevent system boot
failure!
2.1.3
ASUS CrashFree BIOS 3 utility
The ASUS CrashFree BIOS 3 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 updated BIOS
file.
• Before using this utility, rename the BIOS file in the removable device into
P8B75MLX.CAP.
• The BIOS file in the support DVD may not be the latest version. Download the latest
BIOS file from the ASUS website at www.asus.com.
Recovering the BIOS
To recover the BIOS:
1.
Turn on the system.
2.
Insert the support DVD to the optical drive or the USB flash drive that contains 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 enters ASUS EZ Flash 2 utility automatically.
4.
The system requires you to enter BIOS Setup to recover BIOS setting. To ensure system
compatibility and stability, we recommend that you press <F5> 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 P8B75-M LX
2-3
2.1.4
ASUS BIOS Updater
The ASUS BIOS Updater allows you to update BIOS in DOS environment. This utility also
allows you to copy the current BIOS file that you can use as a backup when the BIOS fails or
gets corrupted during the updating process.
The succeeding utility screens are for reference only. The actual utility screen displays may
not be same as shown.
Before updating BIOS
1.
Prepare the motherboard support DVD and a USB flash drive in FAT32/16 format and single
partition.
2.
Download the latest BIOS file and BIOS Updater from the ASUS website at
http://support.asus.com and save them on the USB flash drive.
NTFS is not supported under DOS environment. Do not save the BIOS file and BIOS
Updater to a hard disk drive or USB flash drive in NTFS format.
3.
Turn off the computer and disconnect all SATA hard disk drives (optional).
Booting the system in DOS environment
1.
Insert the USB flash drive with the latest BIOS file and BIOS Updater to the USB port.
2.
Boot your computer. When the ASUS Logo appears, press <F8> to show the BIOS Boot Device
Select Menu. Insert the support DVD into the optical drive and select the optical drive as the boot
device.
Please select boot device:
SATA: XXXXXXXXXXXXXXXX
USB XXXXXXXXXXXXXXXXX
UEFI: XXXXXXXXXXXXXXXX
Enter Setup
↑ and ↓ to move selection
ENTER to select boot device
ESC to boot using defaults
3. When the Make Disk menu appears, select the FreeDOS command prompt item by pressing the
item number.
4.
At the FreeDOS prompt, type d: and press <Enter> to switch the disk from
Drive C (optical drive) to Drive D (USB flash drive).
Welcome to FreeDOS (http://www.freedos.org)!
C:\>d:
D:\>
2-4
Chapter 2: BIOS information
Updating the BIOS file
To update the BIOS file using BIOS Updater
1.
At the FreeDOS prompt, type bupdater /pc /g and press <Enter>.
D:\>bupdater /pc /g
2.
The BIOS Updater screen appears as below.
ASUSTek BIOS Updater for DOS V1.28
Current ROM
BOARD: P8B75-M LX
VER: 0203
DATE: 04/01/2012
Update ROM
BOARD: Unknown
VER: Unknown
DATE: Unknown
PATH: A:\
P8B75LX.CAP
A:
Note
[Enter] Select or Load
[Up/Down/Home/End] Move
3.
8390656 2012-041-01 17:30:48
[Tab] Switch
[B] Backup
[V] Drive Info
[Esc] Exit
Press <Tab> to switch between screen fields and use the <Up/Down/Home/End> keys to select
the BIOS file and press <Enter>. BIOS Updater checks the selected BIOS file and prompts you to
confirm BIOS update.
Are you sure to update BIOS?
Yes
4.
No
Select Yes and press <Enter>. When BIOS update is done, press <ESC> to exit BIOS Updater.
Restart your computer.
DO NOT shut down or reset the system while updating the BIOS to prevent system boot
failure!
• For BIOS Updater version 1.04 or later, the utility automatically exits to the DOS prompt
after updating BIOS.
• Ensure to load the BIOS default settings to ensure system compatibility and stability.
Select the Load Optimized Defaults item under the Exit menu. Refer to section 2.9
Exit menu for details.
• Ensure to connect all SATA hard disk drives after updating the BIOS file if you have
disconnected them.
ASUS P8B75-M LX
2-5
2.2
BIOS setup program
Use the BIOS Setup program to update the BIOS or configure its parameters. The BIOS
screens include navigation keys and brief online help to guide you in using the BIOS Setup
program.
Entering BIOS Setup at startup
To enter BIOS Setup at startup:
• Press <Delete> during the Power-On Self Test (POST). If you do not press <Delete>,
POST continues with its routines.
Entering BIOS Setup after POST
To enter BIOS Setup after POST:
• Press <Ctrl>+<Alt>+<Del> simultaneously.
•
Press the reset button on the system chassis.
•
Press the power button to turn the system off then back on. Do this option only if you
failed to enter BIOS Setup using the first two options.
Using the power button, reset button, or the <Ctrl>+<Alt>+<Del> keys to force
reset from a running operating system can cause damage to your data or system. We
recommend to always shut down the system properly from the operating system.
• The 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.
• Ensure that a USB mouse is connected to your motherboard if you want to use the
mouse to control the BIOS setup program.
• If the system becomes unstable after changing any BIOS setting, load the default
settings to ensure system compatibility and stability. Select the Load Optimized
Defaults item under the Exit menu. See section 2.9 Exit Menu for details.
• If the system fails to boot after changing any BIOS setting, try to clear the CMOS and
reset the motherboard to the default value. See section 1.9 Jumpers for information on
how to erase the RTC RAM.
BIOS menu screen
The BIOS setup program can be used under two modes: EZ Mode and Advanced Mode.
You can change modes from the Exit menu or from the Exit/Advanced Mode button in the
EZ Mode/Advanced Mode screen.
2-6
Chapter 2: BIOS information
EZ Mode
By default, the EZ Mode screen appears when you enter the BIOS setup program. The EZ
Mode provides you an overview of the basic system information, and allows you to select
the display language, system performance mode and boot device priority. To access the
Advanced Mode, click Exit/Advanced Mode, then select Advanced Mode or press F7 hot
key for the advanced BIOS settings.
The default screen for entering the BIOS setup program can be changed. Refer to the
Setup Mode item in section 2.7 Boot menu for details.
Selects the display language of
the BIOS setup program
Displays the CPU/motherboard temperature,
CPU/5V/3.3V/12V voltage output,
CPU/chassis fan speed
Exits the BIOS setup program without saving
the changes, saves the changes and resets
the system, or enters the Advanced Mode
UEFI BIOS Utility - EZ Mode
Exit/Advanced Mode
P8B75-M LX
English
BIOS Version : 0203
CPU Type : Genuine Intel(R) CPU @ 2.90GHz
Friday [10/08/2010]
Speed : 2900 MHz
Total Memory : 1024 MB (DDR3 1333MHz)
Temperature
Voltage
CPU
+113.0ºF/+45.0ºC
CPU
1.248V
5V
MB
+75.2ºF/+40.0ºC
3.3V
3.344V
12V
5.160V
Fan Speed
CPU_FAN
3325RPM
CHA_FAN1
N/A
12.248V
System Performance
Quiet
Performance
Energy Saving
Normal
Boot Priority
Use the mouse to drag or keyboard to navigate to decide the boot priority.
Shortcut (F3)
Boot Menu(F8)
Advanced Mode(F7)
Power Saving mode
Quick access to a few
utilities and advanced
settings
Selects the boot
device priority
Default(F5)
Loads optimized default
Normal mode
ASUS Optimal mode
Selects the boot device priority
Displays the system properties of the
selected mode on the right hand side
Enters the Advanced Mode
• The boot device options vary depending on the devices you installed to the system.
• The Boot Menu(F8) button is available only when the boot device is installed to the
system.
ASUS P8B75-M LX
2-7
Advanced Mode
The Advanced Mode provides advanced options for experienced end-users to configure
the BIOS settings. The figure below shows an example of the Advanced Mode. Refer to the
following sections for the detailed configurations.
To access the EZ Mode, click Exit, then select ASUS EZ Mode.
Back button
Menu items
Menu bar
Configuration fields
General help
UEFI BIOS Utility - Advanced Mode
Ai Tweaker
Main
Back
Exit
Advanced
Monitor
Boot
Tool
Advanced\ Onboard Devices Configuration >
HD Audio Controller
Front Panel Type
Enabled
Enabled/Disabled Realtek Controller.
HD
Realtek LAN Controller
Realtek PXE OPROM
Enabled
Disabled
Realtek LAN Controller
> Serial Port Configuration
Disabled
Enabled
> Parallel Port Configuration
→←: Select Screen
↑↓: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Shortcut
F5: Optimized Defaults
F6: ASUS Ratio Boost
F10: Save ESC: Exit
F12: Print Screen
Version 2.10.1208. Copyright (C) 2012 American Megatrends, Inc.
Submenu items
Pop-up window
Scroll bar
Navigation keys
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 (Ai Tweaker, Advanced, Monitor, Boot, Tool, and Exit) on the menu bar have
their respective menu items.
Back button
This button appears when entering a submenu. Press <Esc> or use the USB mouse to click
this button to return to the previous menu screen.
Submenu items
A greater than sign (>) before each item on any menu screen means that the item has a
submenu. To display the submenu, select the item and press <Enter>.
2-8
Chapter 2: BIOS information
Pop-up window
Select a menu item and press <Enter> to display a pop-up window with the configuration
options for that item.
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.
Navigation keys
At the bottom right corner of the menu screen are the navigation keys for the BIOS setup
program. Use the navigation keys to select items in the menu and change the settings.
General help
At the top right corner of the menu screen is a brief description of the selected item.
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
user-configurable.
A configurable field is highlighted when selected. To change the value of a field, select it and
press <Enter> to display a list of options.
ASUS P8B75-M LX
2-9
2.3
Main menu
The Main menu screen appears when you enter the Advanced Mode of the BIOS Setup
program. The Main menu provides you an overview of the basic system information, and
allows you to set the system date, time, language, and security settings.
UEFI BIOS Utility - Advanced Mode
Main
Ai Tweaker
Exit
Advanced
Monitor
BIOS Information
BIOS Version
Build Date
ME Version
South Bridge Stepping
0203 x64
04/01/2012
8.0.0.1441
C1
CPU Information
Genuine Intel(R) CPU @ 2.90GHz
Speed
2900 MHz
Memory Information
Total Memory
Memory Frequency
1024 MB (DDR3)
1333 MHz
System Language
System Date
System Time
Access Level
Boot
Tool
Choose the system default language
English
[Mon 12/27/2010]
[16:46:15]
Administrator
> Security
2.3.1
System Language [English]
2.3.2
System Date [Day xx/xx/xxxx]
2.3.3
System Time [xx:xx:xx]
2.3.4
Security
Allows you to choose the BIOS language version from the options. Configuration options:
[English]
[Español] [Русский]
Allows you to set the system date.
Allows you to set the system time.
The Security menu items allow you to change the system security settings.
• If you have forgotten your BIOS password, erase the CMOS Real Time Clock (RTC)
RAM to clear the BIOS password. See section 1.9 Jumpers for information on how to
erase the RTC RAM.
• The Administrator or User Password items on top of the screen show the default Not
Installed. After you set a password, these items show Installed.
2-10
Chapter 2: BIOS information
Administrator Password
If you have set an administrator password, we recommend that you enter the administrator
password for accessing the system. Otherwise, you might be able to see or change only
selected fields in the BIOS setup program.
To set an administrator password:
1.
Select the Administrator Password item and press <Enter>.
2.
From the Create New Password box, key in a password, then press <Enter>.
3.
Confirm the password when prompted.
To change an administrator password:
1.
Select the Administrator Password item and press <Enter>.
2.
From the Enter Current Password box, key in the current password, then press <Enter>.
3.
From the Create New Password box, key in a new password, then press <Enter>.
4.
Confirm the password when prompted.
To clear the administrator password, follow the same steps as in changing an administrator
password, but press <Enter> when prompted to create/confirm the password. After you clear
the password, the Administrator Password item on top of the screen shows Not Installed.
User Password
If you have set a user password, you must enter the user password for accessing the system.
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 User Password item and press <Enter>.
2.
From the Create New Password box, key in a password, then press <Enter>.
3.
Confirm the password when prompted.
To change a user password:
1.
Select the User Password item and press <Enter>.
2.
From the Enter Current Password box, key in the current password, then press <Enter>.
3.
From the Create New Password box, key in a new password, then press <Enter>.
4.
Confirm the password when prompted.
To clear the user password, follow the same steps as in changing a user password, but press
<Enter> when prompted to create/confirm the password. After you clear the password, the
User Password item on top of the screen shows Not Installed.
ASUS P8B75-M LX
2-11
2.4
Ai Tweaker menu
The Ai Tweaker menu items allow you to configure overclocking-related items.
Be cautious when changing the settings of the Ai Tweaker menu items. Incorrect field
values can cause the system to malfunction.
The configuration options for this section vary depending on the CPU and DIMM model you
installed on the motherboard.
Scroll down to display the following items:
Target DRAM Speed : xxxxMHz
Displays the current DRAM speed.
2.4.1
[Enabled]
[Disabled]
2.4.2
ASUS MultiCore Enhancement [Enabled].
Sets to [Enabled] for maximum performance under XMP/Manual/Userdefined memory frequency mode.
Set to [Disabled] for default core ratio settings.
CPU bus speed: DRAM speed ratio mode [Auto]
Allows you to set the CPU bus speed to DRAM speed ratio mode. Configuration options:
[Auto] [100:100] [100:133]
2-12
Chapter 2: BIOS information
2.4.3
Memory Frequency [Auto]
Allows you to set the memory operating frequency. The configuration options vary with
the CPU bus speed : DRAM speed ratio mode item settings.
Selecting a very high memory frequency may cause the system to become unstable! If this
happens, revert to the default setting.
2.4.4
iGPU Max. Frequency [Auto]
2.4.5
GPU Boost [OK]
2.4.6
DRAM Timing Control
Allows you to set the iGPU maximum frequency. The values range from xxxxMHz (by CPU)
to 3000MHz with a 50MHz interval. Use <+>/<-> to adjust the value.
[OK]
[Cancel]
Select [OK] to automatically optimize the iGPU frequency.
Select [Cancel] to use a fixed iGPU frequency.
The sub-items in this menu allow you to set the DRAM timing control features. Use the <+>
and <-> keys to adjust the value. To restore the default setting, type [auto] using the keyboard
and press <Enter>.
Changing the values in this menu may cause the system to become unstable! If this
happens, revert to the default settings.
2.4.7
CPU Power Management
The sub-items in this menu allow you to set the CPU ratio and features.
CPU Ratio [Auto]
Allows you to manually adjust the maximum non-turbo CPU ratio. Use <+> and <-> keys or
the numeric keypad to adjust the value. The valid value ranges vary according to your CPU
model.
Enhanced Intel SpeedStep Technology [Enabled]
Allows you to enable or disable the Enhanced Intel® SpeedStep Technology (EIST).
[Disabled]
Disables this function.
[Enabled]
The operating system dynamically adjusts the processor voltage and
core frequency which may result in decreased average consumption and
decreased average heat production.
Turbo Mode [Enabled]
[Enabled]Allows processor cores to run faster than marked frequency in specific
conditions.
[Disabled]
Disables this function.
The first three items of the following appear only when you set the Turbo Mode item to
[Enabled].
ASUS P8B75-M LX
2-13
Long Duration Power Limit [Auto]
Allows you to limit the turbo ratio’s long duration power.
Use the <+> and <-> keys to adjust the value.
Long Duration Maintained [Auto]
Allows you to maintain the turbo ratio’s long duration power.
Use the <+> and <-> keys to adjust the value.
Short Duration Power Limit [Auto]
Allows you to limit the turbo ratio’s long duration power.
Use the <+> and <-> keys to adjust the value.
Primary Plane Current Limit [Auto]
Maximum instantaneous current allowed at any given time for CPU cores
Use <+> and <-> key to adjust the value at 0.125A increment.
Secondary Plane Current Limit [Auto]
Maximum instantaneous current allowed at any given time for Internal Graphics cores.
Use <+> and <-> key to adjust the value at 0.125A increment.
Some of the following 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.
2.4.8
[+]
[-]
CPU Offset Mode Sign [+]
To offset the voltage by a positive value.
To offset the voltage by a negative value.
CPU Offset Voltage [Auto]
This item allows you to set the CPU Offset voltage. The values range from 0.005V to 0.315V
with a 0.005V interval.
iGPU Offset Voltage [Auto]
This item allows you to set the iGPU Offset voltage. The values range from 0.005V to 0.315V
with a 0.005V interval.
Refer to the CPU documentation before setting the CPU voltage. Setting a high voltage
may damage the CPU permanently, and setting a low voltage may make the system
unstable.
2.4.9
DRAM Voltage [Auto]
Allows you to set the DRAM voltage. The values range from 1.30V to 2.13V with a 0.01V
interval.
According to Intel CPU specification, DIMMs with voltage requirement over 1.65V may
damage the CPU permanently. We recommend you install the DIMMs with the voltage
requirement below 1.65V.
2-14
Chapter 2: BIOS information
2.4.10
VCCSA Voltage [Auto]
Allows you to set the VCCSA voltage. Use <+> and <-> key to adjust the value at 0.005V
increment.
• The values of the CPU Offset Voltage, iGPU Offset Voltage, DRAM Voltage and
VCCSA Voltage items are labeled in different color, indicating the risk levels of high
voltage settings.
• The system may need better cooling system to work stably under high voltage settings.
2.4.11
PCH Voltage [Auto]
Allows you to set the Platform Controller Hub voltage. Configuration options: [Auto] [+0.05V]
[+0.10V] [+0.15V]
ASUS P8B75-M LX
2-15
2.5
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.
UEFI BIOS Utility - Advanced Mode
Ai Tweaker
Main
Advanced
Exit
Monitor
Boot
Tool
Trusted Computing (TPM) settings
> CPU Configuration
> PCH Configuration
> SATA Configuration
> System Agent Configuration
> AMT Configuration
> USB Configuration
> Onboard Devices Configuration
> APM
> Network Stack
→←: Select Screen
↑↓: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Shortcut
F5: Optimized Defaults
F6: ASUS Ratio Boost
F10: Save ESC: Exit
F12: Print Screen
Version 2.10.1208. Copyright (C) 2012 American Megatrends, Inc.
2.5.1
CPU Configuration
The items in this menu show the CPU-related information that the BIOS automatically
detects.
The items shown in submenu may be different due to the CPU you installed.
Intel Adaptive Thermal Monitor [Enabled]
[Enabled]
[Disabled]
Enables the overheated CPU to throttle its clock speed to cool down.
Disables the CPU thermal monitor function.
Active Processor Cores [All]
Allows you to choose the number of CPU cores to activate in each processor package.
Configuration options: [All] [1] [2] [3]
Limit CPUID Maximum [Disabled]
[Enabled]Allows legacy operating systems to boot even without support for CPUs
with extended CPUID functions.
[Disabled]
Disables this function.
2-16
Chapter 2: BIOS information
Execute Disable Bit [Enabled]
[Enabled]
[Disabled]
Enables the No-Execution Page Protection Technology.
Forces the XD feature flag to always return to zero (0).
Intel® Virtualization Technology [Disabled]
[Enabled]
Allows a hardware platform to run multiple operating systems separately
and simultaneously, enabling one system to virtually function as several
systems.
Disables this function.
[Disabled]
Hardware Prefetcher [Enabled]
[Enabled]
Allows a hardware platform to run multiple operating systems separately
and simultaneously, enabling one system to virtually function as several
systems.
Disables this function.
[Disabled]
Adjacent Cache Line Prefetch [Enabled]
[Enabled]
[Disabled]
Allows a hardware platform to perform adjacent cache line prefetching.
Disables this function.
CPU Power Management Configuration
CPU Ratio [Auto]
Allows you to set the ratio between the CPU Core Clock and the BCLK Frequency. Use <+> and
<-> keys to adjust the ratio. The valid value ranges vary according to your CPU model.
Enhanced Intel SpeedStep Technology [Enabled]
Allows you to enable or disable the Enhanced Intel® SpeedStep Technology (EIST).
[Disabled] The CPU runs at its default speed.
[Enabled]
The operating system controls the CPU speed.
Turbo Mode [Enabled]
This item allows you to enable or disable the Intel® Turbo Mode Technology.
[Enabled]
Allows processor cores to run faster than marked frequency in specific condition.
[Disabled]
Disables this function.
CPU C1E [Auto]
Enables or disables the C1E support function. This item should be enabled in order to enable the
Enhanced Halt State. Configuration options: [Auto] [Enabled] [Disabled]
CPU C3 Report [Auto]
Allows you to disable or enable the CPU C3 report to OS. Configuration options: [Auto] [Enabled]
[Disabled]
CPU C6 Report [Auto]
Allows you to disable or enable the CPU C6 report to OS. Configuration options: [Auto] [Enabled]
[Disabled]
2.5.2
PCH Configuration
High Precision Timer [Enabled]
Allows you to enable or disable the High Precision Event Timer.
Configuration options: [Enabled] [Disabled]
ASUS P8B75-M LX
2-17
Intel® Rapid Start Technology [Disabled]
Allows you to enable or disable the Intel(R) Rapid Start Technology.
Configuration options: [Enabled] [Disabled]
The following three items appear only when you set the Intel(R) Rapid Start Technology
to [Enabled].
Entry on S3 RTC Wake [Enabled]
Allows you to enable or disable the iFFS invocation upon S3 RTC wake. Configuration options:
[Enabled] [Disabled]
Entry After [10 Minutes]
This item appears only when you set the Entry on S3 RTC Wake to [Enabled] and allows you to
set the RTC wake timer at S3 entry. Configuration options: [Immediately] [1 minute] [2 minute] [5
minute] [10 minute] [15 minute] [30 minute] [1 hour] [2 hours]
Active Page Threshold Support [Disbaled]
Allows you to enable or disable the Active Page Threshold Support. Configuration options:
[Enabled] [Disabled]
Active Memory Threshold [x]
This item appears only when you set the Active Page Threshold Support to [Enabled] and allows
you to set the Active Memory Threshold. When the partition size is larger than the Active Page
Threshold size, the system will try to support the Intel(R) Rapid Start Technology. When the item is
set to zero, the system automatically checks whether the partition size is enough at S3 entry. Key in
the desired value using the numeric keypad.
Intel® Smart Connect Technology [Disabled]
ISCT Configuration [Disabled]
Allows you to enable or disable the ISCT configuration. Configuration options: [Enabled] [Disabled]
2.5.3
SATA Configuration
While entering Setup, the BIOS automatically detects the presence of SATA devices. The
SATA Port items show Empty if no SATA device is installed to the corresponding SATA port.
SATA Mode Selection [IDE]
Allows you to set the SATA configuration.
[IDE]Set to [IDE] when you want to use the Serial ATA hard disk drives as
Parallel ATA physical storage devices.
[AHCI]Set to [AHCI] when you want the SATA hard disk drives to use the AHCI
(Advanced Host Controller Interface). 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.
S.M.A.R.T. Status Check [Enabled]
S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) is a monitor system. When
read/write of your hard disk errors occur, this feature allows the hard disk to report warning
messages during the POST. Configuration options: [Enabled] [Disabled]
Hot Plug [Disabled]
This item only appears when you set the SATA Mode Selection item to [AHCI] and allows you
to enable or disable the hot-plug support for each SATA port. Configuration options: [Enabled]
[Disabled]
2-18
Chapter 2: BIOS information
2.5.4
System Agent Configuration
Memory Remap Feature [Enabled]
[Enabled]
[Disabled]
Allow you to enable remapping the memory above 4GB.
Disables this function.
Graphics Configuration
Primary Display [Auto]
Allows you to decide which graphics controller to use as the primary boot device. Configuration
options: [Auto] [iGPU] [PCIE] [PCI]
iGPU Memory [64M]
Allows you to select the amount of system memory allocated to DVMT 5.0 used by the iGPU.
Configuration options: [32M] [64M] [96M] [128M] ~ [416M] [448M] [480M] [512M] [1024M]
Render Standby [Enabled]
Allows you to enable the Intel Graphics Render Standby support to reduce the iGPU power use
when idle. Configuration options: [Disabled] [Enabled]
iGPU Multi-Monitor [Disabled]
Allows you to enable or disable the iGPU Multi-Monitor. For Lucid Virtu Universal MVP function
support, set this item to [Enabled] to empower both the integrated and discrete graphic cards. The
iGPU shared memory size will be fixed at 64MB. Configuration options: [Disabled] [Enabled]
NB PCIe Configuration
Allows you to configure the NB PCI Express settings.
PCIEX16_1 Link Speed [Auto]
Allows you to configure the PCIE x16_1 speed. Configuration options: [Auto] [Gen1] [Gen2]
2.5.5
AMT Configuration
The items in this menu allow you to change the Intel® Active Management Technology (AMT)
feature.
Intel AMT [Enabled]
Allow you to enable or disable the Intel® Active Management Technology (AMT) in the BIOS
extension. Configuration options: [Enabled] [Disabled]
•iAMT H/W is always enabled. This option just controls the BIOS extension execution. If
enabled, this requires additional firmware in the SPI device.
• The following two items become configurable only when you set the Intel AMT item to
[Enabled].
Invoke MEBx [Disabled]
This item become configurable only when the previous item is set to [Enabled] and allows
you to enable or disable this function. Configuration options: [Enabled] [Disabled]
Un-Configure ME [Disabled]
Sets this item to [Disabled] to unconfigure AMT/ME without using a password or set it to
[Enabled] to use a password. Configuration options: [Enabled] [Disabled]
ASUS P8B75-M LX
2-19
WatchDog [Disabled]
When set to [Enabled], the WatchDog Timer will monitor the time taken for each task
performed by a software or hardware. Configuration options: [Enabled] [Disabled]
The following two items become configurable only when you set the WatchDog Timer item
to [Enabled].
OS Timer [0]
Use the <+> and <-> keys to adjust the value or key in a number directly.
BIOS Timer [0]
Use the <+> and <-> keys to adjust the value or key in a number directly.
2.5.6
USB Configuration
The items in this menu allow you to change the USB-related features.
The USB Devices item shows the auto-detected values. If no USB device is detected, the
item shows None.
Legacy USB Support [Enabled]
[Enabled]
[Disabled]
[Auto]
Enables the support for USB devices on legacy operating systems (OS).
The USB devices can be used only for the BIOS setup program.
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.
Legacy USB3.0 Support [Enabled]
This item appears only when you set the Legacy USB Support item to [Enabled].
[Enabled]
Enables the support for USB 3.0 devices on legacy operating systems
(OS).
[Disabled]
Disables the function.
Intel xHCI Mode [Enabled]
Allows you to select an operation mode for the Intel xHCI controller. Configuration options:
[Smart Auto] [Auto] [Enabled] [Disabled]
EHCI Hand-off [Disabled]
[Enabled]
[Disabled]
2-20
Enables the support for operating systems without an EHCI hand‑off
feature.
Disables the function.
Chapter 2: BIOS information
2.5.7
Onboard Devices Configuration
HD Audio Controller [Enabled]
[Enabled]
[Disabled]
Enables the High Definition Audio Controller.
Disables the controller.
The following item appears only when you set the HD Audio Controller item to [Enabled].
Front Panel Type [HD]
Allows you to set the front panel audio connector (AAFP) mode to legacy AC’97 or highdefinition audio depending on the audio standard that the front panel audio module supports.
[HD]
Sets the front panel audio connector (AAFP) mode to high definition audio.
[AC97]
Sets the front panel audio connector (AAFP) mode to legacy AC’97
Realtek LAN Controller [Enabled]
[Enabled]
[Disabled]
Enables the Realtek LAN controller.
Disables the controller.
Realtek PXE OPROM [Disabled]
This item appears only when you set the previous item to [Enabled] and allows you to
enable or disable the PXE OptionRom of the Realtek LAN controller. Configuration options:
[Enabled] [Disabled]
Serial Port Configuration
The sub-items in this menu allow you to set the serial port configuration.
Serial Port [Enabled]
Allows you to enable or disable the serial port (COM). Configuration options: [Enabled] [Disabled]
Change Settings [IO=3F8h; IRQ=4]
This item appears only when you set the previous item to [Enabled] and allows you to select the
Serial Port base address. Configuration options: [IO=3F8h; IRQ=4] [IO=2F8h; IRQ=3] [IO=3E8h;
IRQ=4] [IO=2E8h; IRQ=3]
Parallel Port Configuration
The sub-items in this menu allow you to set the parallel port configuration.
Parallel Port [Enabled]
Allows you to enable or disable the parallel port (LPT/LPTE).
Configuration options: [Enabled] [Disabled]
The following two items appear only when you set the previous item to [Enabled].
Change Settings [Auto]
Allows you to select an optimal setting for Super I/O devices. Configuration options: [Auto]
[IO=378h; IRQ=5;] [IO=378h; IRQ=5,6,7,9,10,11,12;] [IO=278h; IRQ=5,6,7,9,10,11,12;] [IO=3BCh;
IRQ=5,6,7,9,10,11,12;]
Device Mode [STD Printer Mode]
Allows you to select the Printer Port mode. Configuration options: [STD Printer Mode] [SPP Mode]
[EPP-1.9 and SPP Mode] [EPP-1.7 and SPP Mode] [ECP Mode] [ECP and EPP 1.9 Mode] [ECP
and EPP 1.7 Mode]
ASUS P8B75-M LX
2-21
2.5.8
APM
Restore AC Power Loss [Power Off]
[Power On]
[Power Off]
[Last State]
The system goes into on state after an AC power loss.
The system goes into off state after an AC power loss.
The system goes into either off or on state, whatever the system state was
before the AC power loss.
Power On By PS/2 Keyboard [Disabled]
[Disabled]
[Space Bar]
[Ctrl-Esc]
[Power Key]
Disables the Power On by a PS/2 keyboard.
Sets the Space Bar on the PS/2 keyboard to turn on the system.
Sets the Ctrl+Esc key on the PS/2 keyboard to turn on the system.
Sets Power key on the PS/2 keyboard to turn on the system. This feature
requires an ATX power supply that provides at least 1A on the +5VSB lead.
Power On By PCIE/PCI [Disabled]
[Disabled]Disables the PCIE/PCI devices to generate a wake event.
[Enabled]Enables the PCIE/PCI devices to generate a wake event.
Power On By Ring [Disabled]
[Disabled]Disables Ring to generate a wake event.
[Enabled]Enables Ring to generate a wake event.
Power On By RTC [Disabled]
[Disabled]
[Enabled]
2.5.9
Disables RTC to generate a wake event.
When set to [Enabled], the items RTC Alarm Date (Days) and Hour/
Minute/Second will become user-configurable with set values.
Network Stack
Network Stack [Disable Link]
This item allows user to disable or enable the UEFI network stack. Configuration options:
[Disable Link] [Enable]
The following two items appear only when you set the previous item to [Enabled].
Ipv4 PXE Support [Enabled]
This item allows user to disable or enable the Ipv4 PXE Boot support. Configuration options:
[Disable Link] [Enable]
Ipv6 PXE Support [Enabled]
This item allows user to disable or enable the Ipv6 PXE Boot support. Configuration options:
[Disable Link] [Enable]
2-22
Chapter 2: BIOS information
2.6
Monitor menu
The Monitor menu displays the system temperature/power status, and allows you to change
the fan settings.
EFI BIOS Utility - Advanced Mode
Main
Ai Tweaker
Exit
Advanced
Monitor
CPU Temperature
+45ºC / +113ºF
MB Temperature
+34ºC / +93ºF
CPU Fan Speed
Boot
Tool
CPU Temperature
3325 RPM
Chassis Fan 1 Speed
N/A
CPU Q-Fan Control
Enabled
CPU Fan Speed Low Limit
200 RPM
CPU Fan Profile
Standard
Chassis Q-Fan Control
Enabled
Chassis Fan Speed Low Limit
600 RPM
Chassis Fan Profile
Standard
CPU Voltage
+1.184 V
3.3V Voltage
+3.312 V
5V Voltage
+5.080 V
12V Voltage
+12.192 V
→←: Select Screen
↑↓: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Shortcut
F5: Optimized Defaults
F6: ASUS Ratio Boost
F10: Save ESC: Exit
F12: Print Screen
Version 2.10.1208. Copyright (C) 2012 American Megatrends, Inc.
Scroll down to display the following items:
Anti Surge Support
Enabled
Version 2.10.1208. Copyright (C) 2012 American Megatrends, Inc.
ASUS P8B75-M LX
2-23
2.6.1
CPU Temperature / MB Temperature [xxxºC/xxxºF]
The onboard hardware monitor automatically detects and displays the CPU and motherboard
temperatures. Select Ignore if you do not wish to display the detected temperatures.
2.6.2CPU / Chassis Fan Speed [xxxx RPM] or [Ignore] / [N/A]
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 Ignore if you do not wish to display the detected speed.
2.6.3
[Disabled]
[Enabled]
CPU Q-Fan Control [Enabled]
Disables the CPU Q-Fan control feature.
Enables the CPU Q-Fan control feature.
CPU Fan Speed Low Limit [200 RPM]
This item appears only when you enable the CPU Q-Fan Control feature and allows you to
disable or set the CPU fan warning speed.
Configuration options: [Ignore] [100 RPM] [200 RPM] [300 RPM] [400 RPM] [500 RPM]
CPU Fan Profile [Standard]
This item appears only when you enable the CPU Q-Fan Control feature and allows you to set the
appropriate performance level of the CPU fan.
[Standard]Sets to [Standard] to make the CPU fan automatically adjust depending on the CPU
temperature.
[Silent]Sets to [Silent] to minimize the fan speed for quiet CPU fan operation.
[Turbo]
Sets to [Turbo] to achieve maximum CPU fan speed.
[Manual]
Sets to [Manual] to assign detailed fan speed control parameters.
The following four items appear only when you set CPU Fan Profile to [Manual].
CPU Upper Temperature [70]
Use the <+> and <-> keys to adjust the upper limit of the CPU temperature. The values range
from 20ºC to 75ºC.
CPU Fan Max. Duty Cycle(%) [100]
Use the <+> and <-> keys to adjust the maximum CPU fan duty cycle. The values range from
20% to 100%. When the CPU temperature reaches the upper limit, the CPU fan will operate at
the maximum duty cycle.
CPU Lower Temperature [20]
Use the <+> and <-> keys to adjust the lower limit of the CPU temperature. The values range
from 20ºC to 75ºC.
CPU Fan Min. Duty Cycle(%) [20]
Use the <+> and <-> keys to adjust the minimum CPU fan duty cycle. The values range from 0%
to 100%. When the CPU temperature is under 40ºC, the CPU fan will operate at the minimum
duty cycle.
2-24
Chapter 2: BIOS information
2.6.4
[Disabled]
[Enabled]
Chassis Q-Fan Control [Enabled]
Disables the Chassis Q-Fan control feature.
Enables the Chassis Q-Fan control feature.
Chassis Fan Speed Low Limit [600 RPM]
This item appears only when you enable the Chassis Q-Fan Control feature and allows you
to disable or set the chassis fan warning speed.
Configuration options: [Ignore] [200 RPM] [300 RPM] [400 RPM] [500 RPM] [600 RPM]
Chassis Fan Profile [Standard]
This item appears only when you enable the Chassis Q-Fan Control feature and allows you to set
the appropriate performance level of the chassis fan.
[Standard]Sets to [Standard] to make the chassis fan automatically adjust depending on the
chassis temperature.
[Silent]Sets to [Silent] to minimize the fan speed for quiet chassis fan operation.
[Turbo]
Sets to [Turbo] to achieve maximum chassis fan speed.
[Manual]
Sets to [Manual] to assign detailed fan speed control parameters.
The following four items appear only when you set Chassis Fan Profile to [Manual].
Chassis Upper Temperature [70]
Use the <+> and <-> keys to adjust the upper limit of the chassis temperature. The values range
from 40ºC to 90ºC.
Chassis Fan Max. Duty Cycle(%) [100]
Use the <+> and <-> keys to adjust the maximum chassis fan duty cycle. The values range
from 60% to 100%. When the chassis temperature reaches the upper limit, the chassis fan will
operate at the maximum duty cycle.
Chassis Lower Temperature [40]
Displays the lower limit of the chassis temperature.
CPU Fan Min. Duty Cycle(%) [60]
Use the <+> and <-> keys to adjust the minimum chassis fan duty cycle. The values range from
60% to 100%. When the chassis temperature is under 40ºC, the chassis fan will operate at the
minimum duty cycle.
2.6.5
CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage
2.6.6
Anti Surge Support [Enabled]
The onboard hardware monitor automatically detects the voltage output through the onboard
voltage regulators. Select Ignore if you do not want to detect this item.
This item allows you to enable or disable the Anti Surge function.
Configuration options: [Disabled] [Enabled]
ASUS P8B75-M LX
2-25
2.7
Boot menu
The Boot menu items allow you to change the system boot options.
UEFI BIOS Utility - Advanced Mode
Ai Tweaker
Main
Exit
Advanced
Bootup NumLock State
Full Screen Logo
Wait For ‘F1’ If Error
Option ROM Messages
Monitor
On
Boot
Tool
Select the keyboard NumLock state
Enabled
Enabled
Force BIOS
Setup Mode
EZ Mode
UEFI/Legacy Boot
Enabled both...
PCI ROM Priority
Legacy ROM
Boot Option Priorities
Boot Option #1
SATA: xxxxxxx
Boot Option #2
SATA: xxxxxxx
Boot Override
> SATA: xxxxxxxxxxxx
> Hard Drive BBS Priorities
> CD/DVD ROM Drive BBS Priorities
→←: Select Screen
↑↓: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Shortcut
F5: Optimized Defaults
F6: ASUS Ratio Boost
F10: Save ESC: Exit
F12: Print Screen
Version 2.10.1208. Copyright (C) 2012 American Megatrends, Inc.
2.7.1
Bootup NumLock State [On]
2.7.2
Full Screen Logo [Enabled]
[On]
[Off]
[Enabled]
[Disabled]
Sets the power-on state of the NumLock to [On].
Sets the power-on state of the NumLock to [Off].
Enables the full screen logo display feature.
Disables the full screen logo display feature.
Set this item to [Enabled] to use the ASUS MyLogo 2™ feature.
Post Report [5 sec]
This item appears only when the Full Screen Logo item is set to [Disabled] and allows you to
set the waiting time for the system to display the post report. Configuration options: [1 sec] [2
sec] [3 sec] [4 sec] [5 sec] [6 sec] [7 sec] [8 sec] [9 sec] [10 sec] [Until Press ESC]
2.7.3
Wait for ‘F1’ If Error [Enabled]
When this item is set to [Enabled], the system waits for the F1 key to be pressed when error
occurs. Configuration options: [Disabled] [Enabled]
2-26
Chapter 2: BIOS information
2.7.4
Option ROM Messages [Force BIOS]
2.7.5
Setup Mode [EZ Mode]
2.7.6
UEFI/Legacy Boot [Enabled both UEFI and Legacy]
2.7.7
PCI ROM Priority [Legacy ROM]
2.7.8
Boot Option Priorities
[Force BIOS]
The third-party ROM messages will be forced to display during the boot
sequence.
[Keep Current] The third-party ROM messages will be displayed only if the third-party
manufacturer had set the add-on device to do so.
[Advanced Mode] Sets Advanced Mode as the default screen for entering the BIOS setup
program.
[EZ Mode]
Sets EZ Mode as the default screen for entering the BIOS setup program.
[Enable both UEFI and Legacy] Enables both UEFI and Legacy boot.
[Disable UEFI] Enables the Legacy boot, and disables the UEFI boot.
[Disable Legacy] Enables the UEFI booth, and disables the Legacy boot.
[Legacy ROM]
Launch Legacy ROM
[EFI Compatibe ROM] Launch UEFI Compatible ROM
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.
• To select the boot device during system startup, press <F8> when ASUS Logo appears.
• To access Windows OS in Safe Mode, press <F8> after POST.
2.7.9
Boot Override
These items displays the available devices. The number of device items that appears on
the screen depends on the number of devices installed in the system. Click an item to start
booting from the selected device.
ASUS P8B75-M LX
2-27
2.8
Tools menu
The Tools menu items allow you to configure options for special functions. Select an item
then press <Enter> to display the submenu.
UEFI BIOS Utility - Advanced Mode
Ai Tweaker
Main
Advanced
Exit
Monitor
Boot
Tool
Be used to update BIOS
> ASUS EZ Flash 2 Utility
> ASUS O.C. Profile
> ASUS SPD Information
2.8.1
ASUS EZ Flash 2 Utility
Allows you to run ASUS EZ Flash 2. Press [Enter] to launch the ASUS EZ Flash 2 screen.
For more details, see section 2.1.2 ASUS EZ Flash 2.
2.8.2
ASUS O.C. Profile
This item allows you to store or load multiple BIOS settings.
The Setup Profile Status items show Not Installed if no profile is created.
Label
Allows you to input the label of the setup profile.
Save to Profile
Allows you to save the current BIOS settings to the BIOS Flash, and create a profile. Key in a
profile number from one to eight, press <Enter>, and then select Yes.
Load from Profile
Allows you to load the previous BIOS settings saved in the BIOS Flash. Key in the profile
number that saved your CMOS settings, press <Enter>, and then select Yes.
• 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.
2.8.3
ASUS SPD Information
DIMM Slot # [Slot 1]
Displays the Serial Presence Detect (SPD) information of the DIMM module installed on the
selected slot. Configuration options: [DIMM_A1] [DIMM_B1]
2-28
Chapter 2: BIOS information
2.9
Exit menu
The Exit menu items allow you to load the optimal default values for the BIOS items, and
save or discard your changes to the BIOS items. You can access the EZ Mode from the Exit
menu.
Exit
Load Optimized Defaults
Save Changes & Reset
Discard Changes & Exit
ASUS EZ Mode
Launch EFI Shell from filesystem device
Load Optimized 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 Yes to load the default values.
Save Changes & Reset
Once you are finished making your selections, choose this option from the Exit menu to
ensure the values you selected are saved. When you select this option or if you press <F10>,
a confirmation window appears. Select Yes to save changes and exit.
Discard Changes & Exit
This option allows you to exit the Setup program without saving your changes. When you
select this option or if you press <Esc>, a confirmation window appears. Select Yes to
discard changes and exit.
ASUS EZ Mode
This option allows you to enter the EZ Mode screen.
Launch EFI Shell from filesystem device
This option allows you to attempt to launch the EFI Shell application (shellx64.efi) from one of
the available devices that have a filesystem.
ASUS P8B75-M LX
2-29
2-30
Chapter 2: BIOS information
Appendices
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.
•
This device must accept any interference received including interference that may cause
undesired operation.
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with manufacturer’s instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not occur
in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user
is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
•
Increase the separation between the equipment and receiver.
•
Connect the equipment to an outlet on a circuit different from that to which the receiver is
connected.
•
Consult the dealer or an experienced radio/TV technician for help.
The use of shielded cables for connection of the monitor to the graphics card is required
to assure compliance with FCC regulations. Changes or modifications to this unit not
expressly approved by the party responsible for compliance could void the user’s authority
to operate this equipment.
IC: Canadian Compliance Statement
Complies with the Canadian ICES-003 Class B specifications. This device complies with RSS
210 of Industry Canada. This Class B device meets all the requirements of the Canadian
interference-causing equipment regulations.
This device complies with Industry Canada license exempt RSS standard(s). Operation is
subject to the following two conditions: (1) this device may not cause interference, and (2)
this device must accept any interference, including interference that may cause undesired
operation of the device.
Cut appareil numérique de la Classe B est conforme à la norme NMB-003 du Canada.
Cet appareil numérique de la Classe B respecte toutes les exigences du Règlement sur le
matériel brouilleur du Canada.
Cet appareil est conforme aux normes CNR exemptes de licence d’Industrie Canada. Le
fonctionnement est soumis aux deux conditions suivantes :
(1) cet appareil ne doit pas provoquer d’interférences et
(2) cet appareil doit accepter toute interférence, y compris celles susceptibles de provoquer
un fonctionnement non souhaité de l’appareil.
ASUS P8B75-M LX
A-1
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.
VCCI: Japan Compliance Statement
VCCI Class B Statement
KC: Korea Warning Statement
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.
ASUS Recycling/Takeback Services
ASUS recycling and takeback programs come from our commitment to the highest standards for
protecting our environment. We believe in providing solutions for you to be able to responsibly
recycle our products, batteries, other components as well as the packaging materials. Please
go to �http://csr.asus.com/english/Takeback.htm for the detailed recycling information in different
regions.
A-2
Appendices
ASUS contact information
ASUSTeK COMPUTER INC.
Address
Telephone Fax E-mail
Web site
Technical Support
Telephone Online support
15 Li-Te Road, Peitou, Taipei, Taiwan 11259
+886-2-2894-3447
+886-2-2890-7798
info@asus.com.tw
www.asus.com.tw
+86-21-38429911
support.asus.com
ASUS COMPUTER INTERNATIONAL (America)
Address
Telephone
Fax
Web site
Technical Support
Telephone Support fax
Online support
800 Corporate Way, Fremont, CA 94539, USA
+1-812-282-3777
+1-510-608-4555
usa.asus.com
+1-812-282-2787
+1-812-284-0883
support.asus.com
ASUS COMPUTER GmbH (Germany and Austria)
Address
Fax
Web site
Online contact
Technical Support
Telephone
Support Fax
Online support
Harkort Str. 21-23, D-40880 Ratingen, Germany
+49-2102-959911
www.asus.de
www.asus.de/sales
+49-1805-010923*
+49-2102-9599-11
support.asus.com
* EUR 0.14/minute from a German fixed landline; EUR 0.42/minute from a mobile phone.
ASUS P8B75-M LX
A-3
A-4
Appendices
(510)739-3777/(510)608-4555
800 Corporate Way, Fremont, CA 94539.
Asus Computer International
Date :
Signature :
Representative Person’s Name :
Apr. 25, 2012
Steve Chang / President
This device complies with part 15 of the FCC Rules. Operation is subject to
the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
Supplementary Information:
FCC Part 15, Subpart C, Intentional Radiators
FCC Part 15, Subpart E, Intentional Radiators
FCC Part 15, Subpart B, Unintentional Radiators
Model Number : P8B75-M LX
Conforms to the following specifications:
Product Name : Motherboard
hereby declares that the product
Phone/Fax No:
Address:
Responsible Party Name:
Per FCC Part 2 Section 2. 1077(a)
DECLARATION OF CONFORMITY
Ver. 110101
Manufacturer:
HARKORT STR. 21-23, 40880 RATINGEN
Address, City:
EN 60065:2002 / A12:2011
EN 60065:2002+A1:2006+A11:2008
EN 301 489-1 V1.8.1(2008-04)
EN 301 489-3 V1.4.1(2002-08)
EN 301 489-4 V1.3.1(2002-08)
EN 301 489-7 V1.3.1(2005-11)
EN 301 489-9 V1.4.1(2007-11)
EN 301 489-17 V2.1.1(2009-05)
EN 301 489-24 V1.4.1(2007-09)
EN 302 326-2 V1.2.2(2007-06)
EN 302 326-3 V1.3.1(2007-09)
EN 301 357-2 V1.3.1(2006-05)
EN 302 623 V1.1.1(2009-01)
EN 55024:2010
EN 61000-3-3:2008
EN 55020:2007
Signature : __________
Position : CEO
Name :
Jerry Shen
(EC conformity marking)
EN 62301:2005
Regulation (EC) No. 278/2009
Declaration Date: Apr. 25, 2012
Year to begin affixing CE marking:2012
CE marking
EN 62301:2005
Regulation (EC) No. 642/2009
EN 62301:2005
Regulation (EC) No. 1275/2008
2009/125/EC-ErP Directive
EN 60950-1 / A12:2011
EN 60950-1 / A11:2009
2006/95/EC-LVD Directive
EN 300 328 V1.7.1(2006-10)
EN 300 440-1 V1.4.1(2008-05)
EN 300 440-2 V1.2.1(2008-03)
EN 301 511 V9.0.2(2003-03)
EN 301 908-1 V3.2.1(2007-05)
EN 301 908-2 V3.2.1(2007-05)
EN 301 893 V1.4.1(2005-03)
EN 302 544-2 V1.1.1(2009-01)
EN 50360:2001
EN 50371:2002
EN 50385:2002
1999/5/EC-R &TTE Directive
EN 55022:2010
EN 61000-3-2:2006+ A1:2009+ A2:2009
EN 55013:2001+A1:2003+A2:2006
Model name :
conform with the essential requirements of the following directives:
2004/108/EC-EMC Directive
Motherboard
P8B75-M LX
Product name :
declare the following apparatus:
Ver. 111121
ASUS COMPUTER GmbH
Authorized representative in Europe:
GERMANY
TAIWAN
Country:
Country:
No. 150, LI-TE RD., PEITOU, TAIPEI 112, TAIWAN R.O.C.
Address, City:
ASUSTek COMPUTER INC.
EC Declaration of Conformity
We, the undersigned,