Asus P7H55-M LX/USB3 User’s Manual

0 (0)

Motherboard

P7H55-M LX/USB3

E6154

First Edition V1

November 2010

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, modied or altered, unless

such repair, modication 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),

EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY

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SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR

INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE,

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Offer to Provide Source Code of Certain Software

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and under the Lesser General Public License Version (“LGPL”). The GPL and LGPL licensed code in this

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You may obtain the complete corresponding source code (as dened in the GPL) for the GPL Software,

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etc to this email address).

iii

Contents

Notices .......................................................................................................... v

Safety information ...................................................................................... vi

About this guide ......................................................................................... vi

P7H55-M LX/USB3 specications summary .......................................... viii

Chapter 1 Product introduction

1.1 Before you proceed ..................................................................... 1-1

1.2 Motherboard overview ................................................................. 1-2

1.2.1 Motherboard layout ......................................................... 1-2

1.2.2 Layout contents ............................................................... 1-2

1.3 Central Processing Unit (CPU) ................................................... 1-3

1.4 System memory ........................................................................... 1-3

1.4.1 Overview ......................................................................... 1-3

1.4.2 Memory congurations .................................................... 1-4

1.5 Expansion slots ............................................................................ 1-6

1.5.1 Installing an expansion card ........................................... 1-6

1.5.2 Conguring an expansion card ....................................... 1-6

1.5.3 PCI slots .......................................................................... 1-6

1.5.4 PCI Express x4 slot ......................................................... 1-6

1.5.5 PCI Express x16 slot ....................................................... 1-6

1.6 Jumpers ........................................................................................ 1-7

1.7 Connectors ................................................................................... 1-8

1.7.1 Rear panel ports ............................................................. 1-8

1.7.2 Internal connectors ......................................................... 1-9

1.8 Software support ........................................................................ 1-15

1.8.1 Installing an operating system ...................................... 1-15

1.8.2 Support DVD information .............................................. 1-15

Chapter 2 BIOS information

2.1 Managing and updating your BIOS ............................................ 2-1

2.1.1 ASUS Update .................................................................. 2-1

2.1.2 ASUS EZ Flash 2 ............................................................ 2-2

2.1.3 ASUS BIOS Updater ....................................................... 2-3

2.1.4 ASUS CrashFree BIOS 3 ................................................ 2-6

Contents

2.2 BIOS setup program .................................................................... 2-7

2.3 Main menu .................................................................................... 2-8

2.3.1 System Time ................................................................... 2-8

2.3.2 System Date ................................................................... 2-8

2.3.3 Language [English] ......................................................... 2-8

2.3.4 SATA 1-6 ............................................................................................2-8

2.3.5 Storage Conguration ..................................................... 2-9

2.3.6 System Information ....................................................... 2-10

2.4 Advanced menu ......................................................................... 2-10

2.4.1 CPU Conguration .........................................................2-11

2.4.2 Chipset .......................................................................... 2-13

2.4.3 Onboard Devices Conguration .................................... 2-13

2.4.4 USB Conguration ........................................................ 2-14

2.4.5 PCI PnP ........................................................................ 2-14

2.4.6 Intel VT-d Conguration ................................................ 2-15

2.5 Power menu ................................................................................ 2-15

2.5.1 Suspend Mode [Auto] ................................................... 2-15

2.5.2 ACPI 2.0 Support [Enabled] .......................................... 2-15

2.5.3 ACPI APIC Support [Enabled] ....................................... 2-15

2.5.4 Anti Surge Support [Disabled] ....................................... 2-15

2.5.5 APM Conguration ........................................................ 2-16

2.5.6 Hardware Monitor ......................................................... 2-16

2.6 Boot menu .................................................................................. 2-17

2.6.1 Boot Device Priority ...................................................... 2-17

2.6.2 Boot Settings Conguration .......................................... 2-17

2.6.3 Security ......................................................................... 2-18

2.7 Tools menu ................................................................................. 2-19

2.7.1 AI NET 2........................................................................ 2-19

2.7.2 ASUS EZ Flash 2 .......................................................... 2-19

2.7.3 IO Level up [Disabled] ................................................... 2-19

2.8 Exit menu .................................................................................... 2-20

P7H55-M LX/USB3 motherboard installation notices .......................... 2-21

Intel

LGA1156 processor and chipset combination instruction ... 2-21

Memory conguration ................................................................... 2-21

Congurations for the PCI Express x16 slots ............................... 2-21

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 modications 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.

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.

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.

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 qualied 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 qualied service

technician or your retailer.

About this guide

This user guide contains the information you need when installing and conguring 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.

NOTE: Tips and additional information to help you complete a task.

IMPORTANT: Instructions that you MUST follow to 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

P7H55-M LX/USB3 specications summary

(continued on the next page)

CPU LGA1156 socket for Intel

Core™ i7/ Core™ i5/ Core™ i3/

Pentium

processors

Supports Intel

next generation 32nm multi-core CPU

* Refer to www.asus.com for Intel

CPU support list.

Chipset Intel

H55 Express Chipset

Memory Dual-channel memory architecture

2 x DIMM, max. 8GB, DDR3 1333/1066 MHz, non-ECC, un-

buffered memory

* Refer to www.asus.com for the latest Memory QVL (Qualied

Vendors Lists).

* 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.

Expansion slots 1 x PCIe 2.0 x16 slot

1 x PCIe 2.0 x4 slot

2 x PCI slots

VGA output Multi-VGA output support: DVI-D and RGB ports

- Supports Microsoft

DirectX 10

- DVI-D with Max. resolution: 1920 x 1200 @60Hz

- D-Sub with Max. resolution: 2048 x 1536 @75Hz

Storage

Intel

H55 Express Chipset:

- 6 x Serial ATA 3.0 Gb/s connectors

LAN

Realtek

8111E Gigabit LAN PCIe controller

Audio VIA

VT1708S 8-channel* High Denition Audio CODEC

* Use a chassis with HD audio module in the front panel to

support an 8-channel audio output.

USB 2 x USB 3.0/2.0 ports (blue, at the back panel)

10 x USB 2.0/1.1 ports (8 ports at the mid-board, 2 ports at the

back panel)

ASUS unique

features

ASUS Anti-Surge

ASUS GPU Boost

ASUS EZ DIY

- ASUS AI NET 2

- ASUS CrashFree BIOS 3

- ASUS EZ Flash 2

- ASUS MyLogo 2

- Multi-language BIOS

P7H55-M LX/ USB3 specications summary

* Specications are subject to change without notice.

Rear panel ports 1 x PS/2 Mouse port

1 x PS/2 Keyboard port

1 x D-Sub port

1 x DVI-D port

1 x LAN (RJ-45) port

2 x USB 2.0/1.1 ports

2 x USB 3.0/2.0 ports (blue)

3 x Audio jacks

Internal connectors 4 x USB 2.0/1.1 connectors support additional 8 USB 2.0/1.1 ports

6 x SATA connectors

1 x 24-pin EATX power connector

1 x 4-pin ATX 12V power connector

1 x CPU fan connector

1 x Chassis fan connector

1 x Front panel audio connector

1 x System panel connector

1 x S/PDIF Out connector

1 x COM connector

1 x Speaker connector

BIOS features 64 Mb Flash ROM, AMI BIOS, PnP, DMI v2.0, WfM 2.0, SM BIOS

v2.5, ACPI v2.0a

Manageability

WOL, PXE, PME Wake up, WOR by Ring

Accessories 2 x Serial ATA cables

1 x I/O shield

1 x User Manual

1 x Support DVD

Support DVD Drivers

ASUS Utilities

ASUS Update

Anti-virus software (OEM version)

Form factor

uATX form factor: 9.6 in x 7.8 in (24.4 cm x 19.8 cm)

Chapter 1 Product introduction

Thank you for buying an ASUS

P7H55-M LX/USB3 motherboard!

Before you start installing the motherboard, and hardware devices on it, check the items in

your motherboard package. Refer to page ix for the list of accessories.

If any of the items is damaged or missing, contact your retailer.

1.1 Before you proceed

Take note of the following precautions before you install motherboard components or change

any motherboard settings.

• Unplug the power cord from the wall socket before touching any component.

• Before handling components, use a grounded wrist strap or touch a safely grounded

object or a metal object, such as the power supply case, to avoid damaging them due to

static electricity

• Hold components by the edges to avoid touching the ICs on them.

• Whenever you uninstall any component, place it on a grounded antistatic pad or in the

bag that came with the component.

• Before you install or remove any component, switch off the ATX power supply and

detach its power cord. Failure to do so may cause severe damage to the motherboard,

peripherals, or components.

Onboard LED

This 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.

P7H55-M LX/USB3

SB_PWR

Standby Power Powered Off

OFF

P7H55-M LX/USB3 Onboard LED

Chapter 1: Product introduction1-1

1.2 Motherboard overview

1.2.1 Motherboard layout

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.

Ensure that you install the motherboard into the chassis in the correct orientation. The edge

with external ports goes to the rear part of the chassis.

1.2.2 Layout contents

Place this side towards

the rear of the chassis.

P7H55-M LX/USB3

PCIEX16

PCI1

PCI2

PCIEX4_1

USB1112 USB910 USB78 USB56

SPEAKER

CLRTC

AAFP

ATX12V

EATXPWR

CPU_FAN

CHA_FAN

Lithium Cell

CMOS Power

Super

I/O

AUDIO

ICS

9LRS954

VIA

VT1708S

RTL

8111E

EPU

KBMS

64Mb

BIOS

SB_PWR

SPDIF_OUT

19.8cm(7.8in)

24.4cm(9.6in)

LGA1156

Intel

H55

DDR3 DIMM_A1 (64bit, 240-pin module)

DDR3 DIMM_B1 (64bit, 240-pin module)

LAN1_USB12

USB34

SATA3G_5 SATA3G_3

SATA3G_2

SATA3G_1

SATA3G_6 SATA3G_4

VGA DVI

F_PANEL

COM

ASM

1442

Asmedia

1042

321 4 1

9 8 7 61213 11 10

Connectors/Jumpers/Slots/LED Page Connectors/Jumpers/Slots/LED Page

CPU and Chassis fan connectors (4-pin CPU_FAN,

3-pin CHA_FAN)

1-11 8. Speaker connector (4-pin SPEAKER) 1-13

ATX power connectors (24-pin EATXPWR, 4-pin

ATX12V)

1-12 9.

USB connectors (10-1 pin USB56, USB78,

USB910, USB1112)

1-9

3. Intel

CPU socket 10. Digital audio connector (4-1 pin SPDIF_OUT) 1-10

4. DDR3 DIMM sockets 1-3 11. Serial port connectors (10-1 pin COM1) 1-14

5. Serial ATA connectors (7-pin SATA1-6) 1-10 12. Front panel audio connector (10-1 pin AAFP) 1-13

6. Clear RTC RAM (3-pin CLRTC) 1-7 13. Onboard LED (SB_PWR) 1-1

7. System panel connector (10-1 pin F_PANEL) 1-11

1-2ASUS P7H55-M LX/USB3

1.3 Central Processing Unit (CPU)

This motherboard comes with a surface mount LGA1156 socket designed for the

Intel

Core™ i7 / Core™ i5 / Core™ i3 / Pentium

processors.

1.4 System memory

1.4.1 Overview

This motherboard comes with two Double Data Rate 3 (DDR3) Dual Inline Memory Module

(DIMM) sockets.

A DDR3 module has the same physical dimensions as a DDR3 DIMM but is notched

differently to prevent installation on a DDR3 DIMM socket. DDR3 modules are developed

for better performance with less power consumption. The gure illustrates the location of the

DDR3 DIMM sockets:

P7H55-M LX/USB3

P7H55-M LX/USB3 240-pin DDR3 DIMM sockets

DIMM_A1

DIMM_B1

Ensure that all power cables are unplugged 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

LGA1156 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.

Chapter 1: Product introduction1-3

1.4.2 Memory congurations

You may install 512MB, 1GB, 2GB, and 4GB 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 conguration. Any excess

memory from the higher-sized channel is then mapped for single-channel operation.

• Always install DIMMs with the same CAS latency. For optimum compatibility, it is

recommended that you obtain memory modules from the same vendor.

• Due to the memory address limitation on the 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 either of the

following:

- Use a maximum of 3GB system memory if you are using a 32-bit Windows

OS.

- Use a 64-bit Windows

OS if you want to install 4GB or more memory on the

motherboard.

• This motherboard does not support DIMMs made up of 256 megabits (Mb) chips or less.

P7H55-M LX/USB3 Series Motherboard Qualied Vendors List (QVL)

DDR3-1333MHz capability

Vendor Part No. Size

SS/

Chip Brand Chip No.

Timing

DIMM

(BIOS)

Voltage

DIMM

Support

A* B*

A-Data AD31333G002GMU 2GB DS - - 8-8-8-24 1.65-1.85V • •

Apacer 78.A1GC6.9L1 2GB DS APACER AM5D5808DEWSBG - - • •

CORSAIR CM3X1024-1333C9 1GB SS - - 9-9-9-24 1.60V • •

CORSAIR TR3X3G1333C9 3GB(3 x 1GB) SS - - 9-9-9-24 1.50V • •

Crucial CT12864BA1339.8FF 1GB SS Micron 9FF22D9KPT 9 - • •

Crucial BL25664BN1337.16FF (XMP) 6GB(3 x 2GB) DS - - 7-7-7-24 1.65V • •

ELPIDA EBJ10UE8EDF0-DJ-F 1GB SS ELPIDA J1108EDSE-DJ-F - 1.35V(low

voltage)

• •

G.SKILL F3-10600CL8D-2GBHK(XMP) 1GB SS G.SKILL - - - • •

G.SKILL F3-10600CL9D-2GBNQ 1GB DS G.SKILL - - - • •

G.SKILL F3-10600CL8D-4GBHK(XMP) 4GB(2 x 2GB) DS - - 8-8-8-21 1.5-1.6V • •

G.SKILL F3-10666CL7D-8GBRH(XMP) 8GB(2 x 4GB) DS - - 7-7-7-21 1.5V • •

GEIL GG34GB1333C9DC 4GB(2 x 2GB) DS GEIL GL1L128M88BA12N 9-9-9-24 1.3V(low

voltage)

• •

GEIL GV34GB1333C9DC 4GB(2 x 2GB) DS - - 9-9-9-24 1.5V • •

Hynix HMT112U6TFR8A-H9 1GB SS HYNIX H5TC1G83TFRH9A - 1.35V(low

voltage)

• •

KINGMAX FLFE85F-B8KL9 2GB DS KINGMAX KKB8FNWBFGNX-26A - - • •

KINGMAX FLFF65F-C8KM9-NEES 4GB DS KINGMAX KFC8FNMXF-BXX-15A - - • •

Kingston KVR1333D3N9/2G 2GB DS ELPIDA J1108BDSE-DJ-F 9 1.5V • •

Kingston KHX1333C9D3UK2/4GX(XMP) 4GB(2 x 2GB) DS - - 9 XMP 1.25V • •

Micron MT8JTF12864AZ-1G4F1 1GB SS Micron 9FF22D9KPT 9 - • •

OCZ OCZ3F13334GK 4GB(2 x 2GB) DS - - 9-9-9-20 1.7V • •

OCZ OCZ3G1333LV6GK 6GB(3 x 2GB) DS - - 9-9-9-20 1.65V • •

PSC AL8F8G73D-DG1 2GB DS PSC A3P1GF3DGF928M9B05 8-8-8-24 1.5V • •

SAMSUNG M378B2873FHS-CH9 1GB SS SAMSUNG K4B1G0846F - - • •

SAMSUNG M378B5673FH0-CH9 2GB DS SAMSUNG K4B1G0846F - - • •

Super Talent W1333UX6GM 6GB(3x 2GB) DS Micron 0BF27D9KPT 9-9-9-24 1.5V • •

1-4ASUS P7H55-M LX/USB3

SS - Single-sided / DS - Double - sided

DIMM support:

• A*: Supports one module inserted into any slot as Single-channel memory conguration.

• B*: Supports one pair of modules inserted into both the slots as one pair of Dual-channel

memory conguration.

Visit the ASUS website at www.asus.com for the latest QVL.

DDR3-1066MHz capability

Vendor Part No. Size SS/DS Chip Brand Chip No.

Timing

DIMM

(BIOS)

Voltage

DIMM

Support

A* B*

Crucial CT12864BA1067.8FF 1GB SS Micron 9GF22D9KPT 7 - • •

Crucial CT25664BA1067.16FF 2GB DS Micron 9HF22D9KPT 7 - • •

ELPIDA EBJ10UE8EDF0-AE-F 1GB SS ELPIDA J1108EDSE-DJ-F - 1.35V(low

voltage)

• •

ELPIDA EBJ21UE8EDF0-AE-F 2GB DS ELPIDA J1108EDSE-DJ-F - 1.35V(low

voltage)

• •

KINGSTON KVR1066D3N7/1G 1GB SS KTC D1288JPNDPLD9U 7 1.5V • •

KINGSTON KVR1066D3N7/2G 2GB DS ELPIDA J1108BDSE-DJ-F 7 1.5V • •

KINGSTON KVR1066D3N7/4G 4GB DS Hynix H5TQ2G83AFR 7 1.5V • •

Micron MT8JTF12864AZ-1G1F1 1GB SS Micron 9GF22D9KPT 7 - • •

Micron MT16JTF25664AZ-1G1F1 2GB DS Micron 9HF22D9KPT 7 - • •

OCZ OCZ3G1066LV4GK 4GB(2 x 2GB) DS Micron 9BF27D9KPV 7-7-7-20 1.65V • •

SAMSUNG M378B2873EH1-CF8 1GB SS Samsung SEC 901 HCF8

K4B1G0846E

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SAMSUNG M378B5273BH1-CF8 4GB DS SAMSUNG 846 K4B2G0846B-HCF8 - - • •

Chapter 1: Product introduction1-5

1.5 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.

1.5.1 Installing an expansion card

To install an expansion card:

1. Before installing the expansion card, read the documentation that comes with it and

make the necessary hardware settings for the card.

2. Remove the chassis cover (if your motherboard is already installed in a chassis).

3. Remove the bracket opposite the slot that you intend to use.

4. Align the card connector with the slot and press rmly until the card is completely

seated on the slot.

5. Secure the card to the chassis with the screw.

6. Replace the chassis cover.

When using PCI cards on shared slots, ensure that the drivers support “Share IRQ” or that

the cards do not need IRQ assignments; otherwise, conicts will arise between the two PCI

groups, making the system unstable and the card inoperable.

1.5.3 PCI slots

The PCI slots support cards such as LAN cards, SCSI cards, USB cards, and other cards

that comply with the PCI specications.

1.5.4 PCI Express x4 slot

This motherboard supports PCI Express x4 network cards, SCSI cards and other cards that

comply with the PCI Express specications.

1.5.5 PCI Express x16 slot

This motherboard supports PCI Express x16 graphics cards that comply with the PCI

Express specications.

1.5.2 Conguring an expansion card

After installing the expansion card, congure 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.

1-6ASUS P7H55-M LX/USB3

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