Asus P5G41T-M LX3 User Manual
P5G41T-M LX3
Motherboard
E6280
First Edition V1
December 2010
Copyright © 2010 ASUSTeK Computer Inc. All Rights Reserved.
No part of this manual, including the products and software described in it, may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any
means, except documentation kept by the purchaser for backup purposes, without the express written
permission of ASUSTeK Computer Inc. (“ASUS”).
Product warranty or service will not be extended if: (1) the product is repaired, modied or altered, unless
such repair, modication of alteration is authorized in writing by ASUS; or (2) the serial number of the
product is defaced or missing.
ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF
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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),
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DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.
SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR
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Offer to Provide Source Code of Certain Software
This product may contain copyrighted software that is licensed under the General Public License (“GPL”)
and under the Lesser General Public License Version (“LGPL”). The GPL and LGPL licensed code in this
product is distributed without any warranty. Copies of these licenses are included in this product.
You may obtain the complete corresponding source code (as dened in the GPL) for the GPL Software,
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including the GPL Software and/or LGPL Software, which will be no earlier than December 1, 2011, either
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or
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Legal Compliance Dept.
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Beitou, Taipei 112
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In your request please provide the name, model number and version, as stated in the About Box of the
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The source code will be distributed WITHOUT ANY WARRANTY and licensed under the same license as
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product and describing the problem (please do NOT send large attachments such as source code archives
etc to this email address).
ii
Contents
Notices ......................................................................................................... vi
Safety information ..................................................................................... vii
About this guide ........................................................................................ vii
P5G41T-M LX3 specications summary ................................................... ix
Chapter 1: Product introduction
1.1 Welcome! ...................................................................................... 1-1
1.2 Package contents .........................................................................
1.3 Special features ............................................................................
1.3.1 Product highlights ...........................................................
1.3.2 Innovative ASUS features ...............................................
1.4 Before you proceed .....................................................................
1.5 Motherboard overview .................................................................
1.5.1 Placement direction ........................................................
1.5.2 Screw holes ....................................................................
1.5.3 Motherboard layout .........................................................
1.5.4 Layout contents ...............................................................
1.6 Central Processing Unit (CPU) ...................................................
1.6.1 Installing the CPU ...........................................................
1.6.2 Installing the CPU heatsink and fan ..............................
1.6.3 Uninstalling the CPU heatsink and fan ..........................
1.7 System memory .........................................................................
1.7.1 Overview .......................................................................
1.7.2 Memory congurations ..................................................
1.7.3 Installing a DIMM ..........................................................
1.7.4 Removing a DIMM ........................................................
1.8 Expansion slots ..........................................................................
1.8.1 Installing an expansion card .........................................
1.8.2 Conguring an expansion card .....................................
1.8.3 PCI slot .........................................................................
1.8.4 PCI Express x1 slots .....................................................
1.8.5 PCI Express x16 slot .....................................................
1.9 Jumpers ......................................................................................
1.10 Connectors .................................................................................
1.10.1 Rear panel connectors ..................................................
1.10.2 Internal connectors .......................................................
1-1
1-1
1-1
1-2
1-4
1-5
1-5
1-5
1-6
1-6
1-7
1-7
1-10
1-11
1-12
1-12
1-13
1-15
1-15
1-16
1-16
1-16
1-16
1-16
1-16
1-17
1-19
1-19
1-20
iii
Contents
1.11 Software support ........................................................................ 1-25
1.11.1 Installing an operating system ......................................
1.11.2 Support DVD information ..............................................
Chapter 2: BIOS information
2.1 Managing and updating your BIOS ............................................ 2-1
2.1.1 ASUS Update utility ........................................................
2.1.2 ASUS EZ Flash 2 ............................................................
2.1.3 ASUS CrashFree BIOS ...................................................
2.2 BIOS setup program ....................................................................
2.2.1 BIOS menu screen ..........................................................
2.2.2 Menu bar .........................................................................
2.2.3 Navigation keys ...............................................................
2.2.4 Menu items .....................................................................
2.2.5 Submenu items ...............................................................
2.2.6 Conguration elds .........................................................
2.2.7 Pop-up window ...............................................................
2.2.8 Scroll bar .........................................................................
2.2.9 General help ...................................................................
2.3 Main menu ....................................................................................
2.3.1 System Time ...................................................................
2.3.2 System Date ...................................................................
2.3.3 SATA1~4 .........................................................................
2.3.4 Storage Conguration .....................................................
2.3.5 System Information .........................................................
2.4 Advanced menu ...........................................................................
2.4.1 JumperFree Conguration ..............................................
2.4.2 CPU Conguration .........................................................
2.4.3 Chipset ..........................................................................
2.4.4 Onboard Devices Conguration ....................................
2.4.5 USB Conguration ........................................................
2.4.6 PCI PnP ........................................................................
2.5 Power menu ................................................................................
2.5.1 Suspend Mode ..............................................................
2.5.2 ACPI 2.0 Support .........................................................
2.5.3 ACPI APIC Support .......................................................
1-25
1-25
2-1
2-2
2-3
2-4
2-5
2-5
2-6
2-6
2-6
2-6
2-6
2-6
2-6
2-7
2-7
2-7
2-7
2-8
2-9
2-9
2-9
2-11
2-12
2-13
2-14
2-15
2-15
2-15
2-15
2-15
iv
Contents
2.5.4 APM Conguration ........................................................ 2-16
2.5.6 Hardware Monitor .........................................................
2.6 Boot menu ..................................................................................
2.6.1 Boot Device Priority ......................................................
2.6.2 Boot Settings Conguration ..........................................
2.6.3 Security .........................................................................
2.7 Tools menu .................................................................................
ASUS EZ Flash 2 ......................................................................... 2-20
2.8 Exit menu ....................................................................................
2-16
2-17
2-17
2-17
2-18
2-20
2-21
v
Notices
Federal Communications Commission Statement
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions:
• This device may not cause harmful interference, and
• This device must accept any interference received including interference that may cause
undesired operation.
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with manufacturer’s instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not occur
in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user
is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment to an outlet on a circuit different from that to which the receiver is
connected.
• Consult the dealer or an experienced radio/TV technician for help.
The use of shielded cables for connection of the monitor to the graphics card is required
to assure compliance with FCC regulations. Changes or modications to this unit not
expressly approved by the party responsible for compliance could void the user’s authority
to operate this equipment.
Canadian Department of Communications Statement
This digital apparatus does not exceed the Class B limits for radio noise emissions from
digital apparatus set out in the Radio Interference Regulations of the Canadian Department
of Communications.
This class B digital apparatus complies with Canadian ICES-003.
REACH
Complying with the REACH (Registration, Evaluation, Authorisation, and Restriction of
Chemicals) regulatory framework, we published the chemical substances in our products at
ASUS REACH website at http://csr.asus.com/english/REACH.htm.
DO NOT throw the motherboard in municipal waste. This product has been designed to
enable proper reuse of parts and recycling. This symbol of the crossed out wheeled bin
indicates that the product (electrical and electronic equipment) should not be placed in
municipal waste. Check local regulations for disposal of electronic products.
DO NOT throw the mercury-containing button cell battery in municipal waste. This symbol
of the crossed out wheeled bin indicates that the battery should not be placed in municipal
waste.
vi
Safety information
Electrical safety
• To prevent 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 x it by yourself. Contact a qualied service
technician or your retailer.
Operation safety
•
Before installing the motherboard and adding devices on it, carefully read all the manuals
that came with the package.
•
Before using the product, ensure 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 qualied service
technician or your retailer.
About this guide
This user guide contains the information you need when installing and conguring the
motherboard.
How this guide is organized
This guide contains the following parts:
•
Chapter 1: Product introduction
This chapter describes the features of the motherboard and the new technology it
supports.
• Chapter 2: BIOS information
This chapter tells how to change system settings through the BIOS Setup menus.
Detailed descriptions of the BIOS parameters are also provided.
vii
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 nd more information
Refer to the following sources for additional information and for product and software
updates.
1. ASUS websites
The ASUS website provides updated information on ASUS hardware and software
products. Refer to the ASUS contact information.
2. Optional documentation
Your product package may include optional documentation, such as warranty yers,
that may have been added by your dealer. These documents are not part of the
standard package.
Typography
Bold text Indicates a menu or an item to select.
Italics
Used to emphasize a word or a phrase.
<Key> Keys enclosed in the less-than and greater-than sign means
that you must press the enclosed key.
Example: <Enter> means that you must press the Enter or
Return key.
<Key1>+<Key2>+<Key3> If you must press two or more keys simultaneously, the key
names are linked with a plus sign (+).
Example: <Ctrl>+<Alt>+<D>
viii
P5G41T-M LX3 specications summary
CPU LGA775 socket for Intel® Core™2 Quad / Core™2 Extreme
Chipset Northbridge: Intel® G41
Front Side Bus 1333/1066 MHz
Memory Dual channel memory architecture
Graphics Integrated Intel® GMA X4500 GPU
Expansion slots 1 x PCIe x16 slot
Storage 4 x Serial ATA 3Gb/s ports
LAN PCIe Gigabit LAN
Audio ALC887 High Denition Audio 8-channel CODEC
USB Supports up to 8 USB 2.0/1.1 ports (4 ports at mid-board,
ASUS exclusive
overclocking
features
/ Core™2 Duo / Pentium® dual-core / Celeron® dual-core /
Celeron® processors
Compatible with Intel® 05B/05A/06 processors
Supports Intel® 45nm multi-core CPU
* Refer to www.asus.com for Intel® CPU support list.
Southbridge: Intel® ICH7
- 2 x 240-pin DIMM sockets support unbuffered non-ECC
1333(O.C.)/1066 MHz DDR3 memory modules
- Supports up to 8GB system memory
* Refer to www.asus.com for the latest Memory QVL (Qualied
Vendors Lists).
** When you install a total memory of 4GB 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.
Maximum shared memory of 256MB
Supports RGB with max. resolution of 2048 x 1536 (@ 75Hz)
Supports Microsoft® DirectX® 10
2 x PCIe x1 slots
1 x PCI slot
* Use the chassis with HD audio module in the front panel to
support 8-channel audio output.
Supports S/PDIF Out interface
4 ports at the back panel)
SFS (Stepless Frequency Selection):
- FSB tuning from 200MHz to 800MHz at 1MHz increment
Overclocking Protection:
- ASUS C.P.R. (CPU Parameter Recall)
(continued on the next page)
ix
P5G41T-M LX3 specications summary
ASUS unique
features
Back panel I/O ports 1 x PS/2 keyboard port
Internal connectors 2 x USB 2.0/1.1 connectors support additional
BIOS 8Mb Flash ROM, AMI BIOS, PnP, DMI 2.0, WfM 2.0, ACPI 2.0a,
Manageability WOL, PXE, WOR by Ring, PME Wake up
Accessories 2 x Serial ATA 3.0Gb/s cables
Support DVD Drivers
Form factor uATX form factor: 9.6 in x 7.4 in (24.4 cm x 18.8 cm)
ASUS CrashFree BIOS 3
ASUS Q-Fan
ASUS EZ Flash 2
ASUS MyLogo 2
ASUS Turbo Key
ASUS EPU-L
1 x PS/2 mouse port
1 x COM port
1 x VGA port
1 x LAN (RJ-45) port
4 x USB 2.0/1.1 ports
3 x audio jacks
4 USB 2.0/1.1 ports
4 x Serial ATA 3.0Gb/s connectors
1 x Front panel audio connector
1 x System panel connector
1 x S/PDIF Out connector
1 x Internal speaker connector
1 x CPU fan connector
1 x Chassis fan connector
1 x 24-pin EATX power connector
1 x 4-pin ATX 12V power connector
SM BIOS 2.6
1 x I/O shield
1 x User Manual
ASUS utilities
ASUS Update
Anti-Virus software (OEM version)
* Specications are subject to change without notice.
x
Chapter 1
Product introduction
1.1 Welcome!
Thank you for buying an ASUS® P5G41T-M LX3 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 P5G41T-M LX3 motherboard
Cables 2 x Serial ATA 3.0Gb/s cables
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
Intel® Core™2 Extreme / Core™2 Quad / Core™2 Duo CPU
ASUS P5G41T-M LX3 1-1
support
This motherboard supports Intel® LGA775 Core™ 2 Extreme / Core™
2 Quad/ Core™ 2 Duo processors, which are excellent for multitasking,
multimedia, and enthusiastic gamers with 1333/1066 MHz FSB. This
motherboard also supports Intel® CPUs in the 45nm manufacturing
process.
Intel® G41 Chipset
The Intel® G41 Express Chipset is designed to support dual-channel
DDR3 1333 (overclocking)/1066 architecture, 1333/1066 Front Side Bus
(FSB), PCIe 1.1, and mutli-core CPUs. It especially includes Intel® Fast
memory bandwidth and reduces the latency of the memory accesses.
Dual channel DDR3 1333 (O.C.)/1066 MHz support
This motherboard supports DDR3 memory that features data transfer
rates of 1333 (O.C.)/1066 MHz providing great performance for 3D
graphics and other memory-demanding applications.
Serial ATA 3Gb/s technology
This motherboard supports hard drives based on the Serial ATA (SATA)
3Gb/s storage specications, delivering enhanced scalability and
doubling the bus bandwidth for high-speed data saving and retrieval.
Gigabit LAN solution
The onboard LAN controller is a highly integrated Gb LAN controller. It is
enhanced with an ACPI management function to provide efcient power
management for advanced operating systems.
1.3.2 Innovative ASUS features
ASUS EPU
ASUS EPU (Energy Processing Unit) provides total system power
management by detecting the current PC loading and intelligently
moderating power in real-time. It automatically provides the most
appropriate power usage to save power and money.
Turbo Key
ASUS Turbo Key allows you to turn the PC power button into
an overclocking button. After you easy setup, Turbo Key boosts
performances without interrupting ongoing work or games, simply through
pressing the button.
ASUS Q-FAN
ASUS Q-FAN technology intelligently and automatically adjusts CPU fan
speed according to system load and temperature, enabling users to work
in distraction-free environment with minimal noise.
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.
1-2 Chapter 1: Product introduction
ASUS CrashFree BIOS 3
ASUS CrashFree BIOS 3 is an auto-recovery tool that allows you to
restore a corrupted BIOS le using the bundled support DVD or USB
ash disk that contains the latest BIOS le.
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 efciency
requirements in regards to energy consumptions. This is in line with
ASUS vision of creating environment-friendly and energy-efcient
products through product design and innovation to reduce carbon
footprint of the product and thus mitigate environmental impacts.
ASUS P5G41T-M LX3 1-3
1.4 Before you proceed
SB_PWR
ON
Standby Power Powered Off
OFF
P5G41T-M LX3
P5G41T-M LX3 Onboard LED
Take note of the following precautions before you install motherboard components or change
any motherboard settings.
• Unplug the power cord from the wall socket before touching any component.
• Before handling components, use a grounded wrist strap or touch a safely grounded
object or a metal object, such as the power supply case, to avoid damaging them due to
static electricity.
• Hold components by the edges to avoid touching the ICs on them.
• Whenever you uninstall any component, place it on a grounded antistatic pad or in the
bag that came with the component.
• Before you install or remove any component, ensure that the ATX power supply is
switched off or the power cord is detached from the power supply. Failure to do so may
cause severe damage to the motherboard, peripherals, or components.
Onboard LED
The motherboard comes with a standby power LED that lights up to indicate that the system
is ON, in sleep mode, or in soft-off mode. This is a reminder that you must shut down
the system and unplug the power cable before removing or plugging in any motherboard
component. The illustration below shows the location of the onboard LED.
1-4 Chapter 1: Product introduction
1.5 Motherboard overview
P5G41T-M LX3
Before you install the motherboard, study the conguration of your chassis to ensure that the
motherboard ts 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
When installing the motherboard, ensure that you place it into the chassis in the correct
orientation. The edge with external ports goes to the rear part of the chassis as indicated in
the image below.
1.5.2 Screw holes
Place 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
ASUS P5G41T-M LX3 1-5
1.5.3 Motherboard layout
P5G41T-M LX3
PCIEX16
PCIEX1_2
PCIEX1_1
PCI1
USB56 USB78
F_PANEL
AAFP
ICS
9LRS954
ATX12V
EATXPWR
CPU_FAN
Intel
®
G41
Lithium Cell
CMOS Power
Super
I/O
AUDIO
ALC887
ATHEROS
8151
RTL
8103EL
KBMS
8Mb
BIOS
SB_PWR
CLRTC
SPEAKER
SPDIF_OUT
USBPW1-4
USBPW5-8
KBPWR
18.8cm(7.4in)
24.4cm(9.6in)
LGA775
Intel
®
ICH7
DDR3 DIMM_A1 (64bit, 240-pin module)
DDR3 DIMM_B1 (64bit, 240-pin module)
VGA
COM1
LAN1_USB12
USB34
SATA1 SATA2
SATA3
SATA4
CHA_FAN
251 653 4
2
7
7911121314 3 10 8
1.5.4 Layout contents
Connectors/Jumpers/Slots/LED Page Connectors/Jumpers/Slots/LED Page
1-6 Chapter 1: Product introduction
1. Keyboard power (3-pin KBPWR) 1-18 8. System panel connector (10-1 pin F_PANEL) 1-24
2. ATX power connectors (24-pin EATXPWR,
4-pin ATX12V)
3. USB device wake-up (3-pin USBPW1-4, 3-pin
USBPW5-8)
4. Intel LGA775 CPU socket 1-7 11. Clear RTC RAM (3-pin CLRTC) 1-17
5. CPU and chassis fan connectors
(4-pin CPU_FAN, 3-pin CHA_FAN)
6. DDR3 DIMM slots 1-12 13. Speaker connector (4-pin SPEAKER) 1-24
7. Serial ATA connectors (7-pin SATA1-4) 1-22 14. Front panel audio connector (10-1 pin AAFP) 1-20
1-21 9. USB connectors (10-1 pin USB56, USB78) 1-22
1-18 10. Standby power LED (SB_PWR) 1-4
1-23 12. Digital audio connector (4-1 pin SPDIF_OUT) 1-23
1.6 Central Processing Unit (CPU)
P5G41T-M LX3
P5G41T-M LX3 CPU socket 775
The motherboard comes with a surface mount LGA775 socket designed for the Intel®
Core™2 Extreme / Core™2 Quad / Core™2 Duo / Pentium® dual-core / Celeron® dual-core /
Celeron® processors
• Unplug all power cables before installing the CPU.
• Connect the CPU fan cable to the CPU_FAN connector and chassis fan cable to the
CHA_FAN connector to ensure system stability.
• 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
LGA775 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.
The motherboard supports Intel® LGA775 processors with the Intel® Enhanced Intel
SpeedStep® Technology (EIST) and Hyper-Threading Technology.
1.6.1 Installing the CPU
To install a CPU:
1. Locate the CPU socket on the motherboard.
Before installing the CPU, ensure that the cam box is facing towards you and the load lever
is on your left.
ASUS P5G41T-M LX3 1-7
2. Press the load lever with your thumb
(A), then move it to the left (B) until it is
released from the retention tab.
To prevent damage to the socket
pins, do not remove the PnP cap
unless you are installing a CPU.
Retention tab
A
B
Load lever
3. Lift the load lever in the direction of the
arrow to a 135º angle.
4. Lift the load plate with your thumb and
forenger to a 100º angle (4A), then
push the PnP cap from the load plate
window to remove (4B).
5. Position the CPU over the socket,
ensuring that the gold triangle is on the
bottom-left corner of the socket then t
the socket alignment key into the CPU
notch.
PnP cap
Load plate
4B
4A
3
CPU notch
Gold
triangle
mark
Alignment key
1-8 Chapter 1: Product introduction
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