Asus F1A55-M LX PLUS User Manual Page 1

MotherboardF1A55-M LX Series • F1A55-M LX • F1A55-M LX PLUS

xF1A55-M LX Series specications summaryUSB AMD® A55 FCH southbridge: - 12 x USB 2.0 ports (6 ports at the mid-board, 6 ports at the back panel)AS

xiF1A55-M LX Series specications summaryInternal I/O connectors / buttons / switches3 x USB 2.0 connectors support additional 6 USB 2.0 ports 1 x S/P

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1.2 Package contentsCheck your motherboard package for the following items.Motherboard ASUS F1A55-M LX Series motherboardCables 2 x Serial ATA 3.0G

AMD® A55 (Hudson D2) FCH ChipsetAMD® A55 FCH (Hudson D2) is designed to support up to 5GT/s interface and PCI Express 2.0 x 16 (at x4 speed) graphics.

AI Suite IIWith its fast user-friendly interface, ASUS AI Suite II consolidates all the exclusive ASUS features into one simple to use software packag

1.4 Before you proceedTake note of the following precautions before you install motherboard components or change any motherboard settings.• Unplug t

F1A55-M LX PLUS1.5 Motherboard overview1.5.1 Placement directionWhen installing the motherboard, ensure that you place it into the chassis in the co

1.5.3 Motherboard layout1.5.4 Layout contentsConnectors/Jumpers/Slots/LED Page Connectors/Jumpers/Slots/LED Page1. Keyboard power (3-pin KBPWR) 1

1.6 Accelerated Processing Unit (APU)This motherboard comes with an FM1 socket designed for AMD® A- & E2- series accelerated processors with AMD®

iiCopyright © 2011 ASUSTeK Computer Inc. All Rights Reserved.No part of this manual, including the products and software described in it, may be repro

5. When the APU is in place, push down the socket lever to secure the APU. The lever clicks on the side tab to indicate that it is locked.6. Install

1.6.2 Installing the heatsink and fanEnsure that you use only AMD-certied heatsink and fan assembly.To install the CPU heatsink and fan:1. Place th

3. Align the other end of the retention bracket to the retention module base. A clicking sound denotes that the retention bracket is in place.Ensure

• 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

DDR3-2133(O.C.)MHz capabilityVendors Part No. Size SS/DS Chip Brand Chip NO. Timing VoltageDIMM socket support (Optional)A* B*KINGSTON KHX2133C9AD3T1K

Vendors Part No. SizeSS/DSChip BrandChip NO. Timing VoltageDIMM socket support (Optional)A* B*G.SKILL F3-12800CL9D-4GBECO(XMP) 4GB(2 x 2GB) DS - - 9-9

Vendors Part No. SizeSS/DSChip Brand Chip NO. Timing VoltageDIMM socket support (Optional)A* B*G.SKILL F3-10666CL7T-3GBPK(XMP) 3GB(3 x 1GB) SS - - 7-7

DDR3-1066MHz capabilityVendors Part No. Size SS/DS Chip Brand Chip NO. Timing VoltageDIMM socket support (Optional)A* B*Crucial CT12864BA1067.8FF 1GB

1.7.3 Installing a DIMMUnplug the power supply before adding or removing DIMMs or other system components. Failure to do so can cause severe damage t

1.8 Expansion slotsIn the future, you may need to install expansion cards. The following sub-sections describe the slots and the expansion cards that

iiiContentsNotices ... viSafety information ...

1.9 Jumpers Clear RTC RAM (CLRTC)This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time

2. Keyboard power (3-pin KBPWR)This jumper allows you to enable or disable the keyboard wake-up feature. When you set this jumper to pins 2–3 (+5VSB)

1.10 Connectors1.10.1 Rear panel ports1. PS/2 Keyboard/Mouse Combo port (purple/green). This port is for a PS/2 keyboard or PS/2 mouse.2. Parallel

7. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are for USB 2.0/1.1 devices.8. USB 2.0 ports 3 and 4. These two 4-pin Un

2. Speaker connector (4-pin SPEAKER)This 4-pin connector is for the chassis-mounted system warning speaker. The speaker allows you to hear system bee

4. Serial ATA 3.0 Gb/s connectors (7-pin SATA3G_1~6)These connectors are for the Serial ATA 3.0 Gb/s signal cables for Serial ATA hard disk drives an

5. System panel connector (10-1 pin F_PANEL)This connector supports several chassis-mounted functions.• System power LED (2-pin PLED)This 2-pin conn

6. Digital audio connector (4-1 pin SPDIF_OUT)This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port.Ensure that the audio

8. USB 2.0 connectors (10-1 pin USB78, USB910, USB1112)These connectors are for USB 2.0 ports. Connect the USB module cable to any of these connector

1.11 Software support1.11.1 Installing an operating systemThis motherboard supports Windows® XP / Vista / 7 Operating Systems (OS). Always install t

ivContents1.11 Software support ... 1-271.11.1 Installing an operating system .

Chapter 1: Product introduction1-28

Chapter 2: BIOS information 2-1Chapter 2BIOS informationSave a copy of the original motherboard BIOS le to a USB ash disk in case you need to restor

2-2 ASUS F1A55-M LX SeriesThe ASUS Update utility is capable of updating itself through the Internet. Always update the utility to avail all its featu

Chapter 2: BIOS information 2-3DO NOT shut down or reset the system while updating the BIOS! Doing so can cause system boot failure!2.1.3 ASUS CrashF

2-4 ASUS F1A55-M LX SeriesWelcome to FreeDOS (http://www.freedos.org)!C:\>d:D:\>3. When the Make Disk menu appears, select the FreeDOS command

Chapter 2: BIOS information 2-52. The BIOS Updater backup screen appears indicating the BIOS backup process. When BIOS backup is done, press any key

2-6 ASUS F1A55-M LX SeriesUpdating the BIOS leTo update the BIOS le using BIOS Updater1. At the FreeDOS prompt, type bupdater /pc /g and press <

Chapter 2: BIOS information 2-7Using the power button, reset button, or the <Ctrl>+<Alt>+<Del> keys to force reset from a running op

2-8 ASUS F1A55-M LX SeriesBIOS menu screenThe BIOS setup program can be used under two modes: EZ Mode and Advanced Mode. You can change modes from the

Chapter 2: BIOS information 2-9Advanced ModeThe Advanced Mode provides advanced options for experienced end-users to congure the BIOS settings. The 

vContents2.5.5 Onboard Devices Conguration ... 2-192.5.6 APM ...

2-10 ASUS F1A55-M LX SeriesMenu itemsThe highlighted item on the menu bar displays the specic items for that menu. For example, selecting Main shows

Chapter 2: BIOS information 2-112.3 Main menuThe Main menu screen appears when you enter the Advanced Mode of the BIOS Setup program. The Main menu p

2-12 ASUS F1A55-M LX SeriesAdministrator PasswordIf you have set an administrator password, we recommend that you enter the administrator password for

Chapter 2: BIOS information 2-132.4 Ai Tweaker menuThe Ai Tweaker menu items allow you to congure overclocking-related items.Be cautious when changi

2-14 ASUS F1A55-M LX Series2.4.1 Ai Overclock Tuner [Auto]Allows you to select the CPU overclocking options to achieve the desired CPU internal frequ

Chapter 2: BIOS information 2-152.4.5 DRAM Timing ControlThe sub-items in this menu allow you to set the DRAM timing control features. Use the <+&

2-16 ASUS F1A55-M LX Series2.4.10 APU1.2V Voltage [Auto]Allows you to set the APU (Accelerated Processor Unit) 1.2V voltage. The values range from 1.

Chapter 2: BIOS information 2-17Be cautious when changing the settings of the Advanced menu items. Incorrect eld values can cause the system to malfu

2-18 ASUS F1A55-M LX SeriesAMD PowerNow function [Enabled]Enables or disables the AMD PowerNow function. Conguration options: [Enabled] [Disabled]SVM

Chapter 2: BIOS information 2-192.5.3 USB CongurationThe items in this menu allow you to change the USB-related features.The USB Devices item shows

viNoticesFederal Communications Commission StatementThis device complies with Part 15 of the FCC Rules. Operation is subject to the following two cond

2-20 ASUS F1A55-M LX SeriesSPDIF Out Type [SPDIF][SPDIF] Sets to [SPDIF] for SPDIF audio output.[HDMI] Sets to [HDMI] for HDMI audio output.Realtek

Chapter 2: BIOS information 2-21Power On By PS/2 Keyboard [Disabled][Disabled] Disables the Power On by a PS/2 keyboard.[Space Bar] Sets the Space B

2-22 ASUS F1A55-M LX Series2.6.1 CPU Temperature / MB Temperature [xxx�C/xxx�F][xxx�C/xxx�F]The onboard hardware monitor automatically detects and di

Chapter 2: BIOS information 2-23CPU Fan Profile [Standard]This item appears only when you enable the CPU Q-Fan Control feature and allows you to set t

2-24 ASUS F1A55-M LX Series2.7 Boot menuThe Boot menu items allow you to change the system boot options.2.7.1 Bootup NumLock State [On][On] Sets th

Chapter 2: BIOS information 2-252.7.4 Option ROM Messages [Force BIOS][Force BIOS] The third-party ROM messages will be forced to display during the

2-26 ASUS F1A55-M LX Series2.8 Tools menuThe Tools menu items allow you to congure options for special functions. Select an item then press <Ente

Chapter 2: BIOS information 2-272.9 Exit menuThe Exit menu items allow you to load the optimal default values for the BIOS items, and save or discard

2-28 ASUS F1A55-M LX Series

ASUS contact informationASUSTeK COMPUTER INC.Address 15 Li-Te Road, Peitou, Taipei, Taiwan 11259Telephone +886-2-2894-3447Fax +886-2

viiDO NOT throw the motherboard in municipal waste. This product has been designed to enable proper reuse of parts and recycling. This symbol of the c

EC Declaration of Conformity We, the undersigned, Manufacturer: ASUSTek COMPUTER INC. Address, City: No. 150, LI-TE RD., PEITOU, TAIPEI 112, TAIWAN R.

viiiConventions used in this guideTo ensure that you perform certain tasks properly, take note of the following symbols used throughout this manual.

ixF1A55-M LX Series specications summary(continued on the next page)APU AMD® A- & E2- series accelerated processors with AMD® Radeon™ HD 600