Asus F2A55-M LK2 Series User Manual

Asus F2A55-M LK2 Series User Manual

F2a55-m lk2 user's manual
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F2A55-M LK2 Series
• F2A55-M LK2
• F2A55-M LK2 PLUS

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Summary of Contents for Asus F2A55-M LK2 Series

  • Page 1 F2A55-M LK2 Series • F2A55-M LK2 • F2A55-M LK2 PLUS...
  • Page 2 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.
  • Page 3: Table Of Contents

    Contents Safety information ...................... vi About this guide ......................vii F2A55-M LK2 Series specifications summary ............ix Package contents ....................... xi Product introduction Special features .................... 1-1 1.1.1 Product highlights ................1-1 1.1.2 ASUS DIGI+ VRM ................1-2 1.1.3 ASUS Exclusive Features ............... 1-2 Before you proceed ..................
  • Page 4 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 BIOS setup program ..................2-6 Main menu ....................2-10 2.3.1 System Language [English] ............
  • Page 5 2.7.10 Boot Option Priorities ..............2-29 2.7.11 Boot Override ................2-29 Tools menu ....................2-30 2.8.1 ASUS EZ Flash 2 Utility ..............2-30 2.8.2 ASUS SPD Information ..............2-30 2.8.3 ASUS O.C. Profile ................. 2-30 Exit menu ....................2-31 Appendices Notices ........................
  • Page 6: Safety Information

    Safety information Electrical safety • To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system. • When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device.
  • Page 7: About This Guide

    Refer to the following sources for additional information and for product and software updates. ASUS websites The ASUS website provides updated information on ASUS hardware and software products. Refer to the ASUS contact information. Optional documentation Your product package may include optional documentation, such as warranty flyers, that may have been added by your dealer.
  • Page 8: Conventions Used In This Guide

    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 .
  • Page 9: F2A55-M Lk2 Series Specifications Summary

    Supports AMD Memory Profile (AMP) memory • The maximum 32GB memory capacity can be supported with 16GB or above DIMMs. ASUS will update the memory QVL once the DIMMs are available in the market. • Refer to www.asus.com for the latest Memory QVL (Qualified Vendors List).
  • Page 10 ASUS Fan Xpert ASUS CrashFree BIOS 3 ASUS EZ Flash 2 ASUS MyLogo 2™ Special features 100% All high quality conductive polymer (F2A55-M LK2 PLUS only) Back Panel I/O 1 x PS/2 mouse port (green) ports 1 x PS/2 keyboard port (purple)
  • Page 11: Package Contents

    1 x I/O Shield User Guide Support DVD • F2A55-M LK2 Series motherboards include F2A55-M LK2 PLUS and F2A55-M LK2 models. The package contents vary from models. • If any of the above items is damaged or missing, contact your retailer.
  • Page 13: Product Introduction

    The onboard LAN controller is a highly integrated Gb LAN controller. It is enhanced with an ACPI management function to provide efficient power management for advanced operating systems. 100% All High-quality Conductive Polymer Capacitors (F2A55-M LK2 PLUS only) This motherboard uses all high-quality conductive polymer capacitors for durability, improved lifespan, and enhanced thermal capacity.
  • Page 14: Asus Digi+ Vrm

    Engineered and tested to assure unmitigated performance, ASUS A55 boards with DIGI+ VRM remain efficient and accurate, for reliable application in every scenario.
  • Page 15: Asus Mylogo2

    ASUS EZ Flash 2 ASUS EZ Flash 2 is a user-friendly utility that allows you to update the BIOS without using a bootable floppy disk or an OS-based utility. ASUS MyLogo2™...
  • Page 16: Before You Proceed

    The illustration below shows the location of the onboard LED. SB_PWR F2A55-M LK2 PLUS Standby Power Powered Off F2A55-M LK2 PLUS Onboard LED Chapter 1: Product introduction...
  • Page 17: Motherboard Overview

    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. F2A55-M LK2 PLUS ASUS F2A55-M LK2 Series...
  • Page 18: Motherboard Layout

    1.3.3 Motherboard layout F2A55-M LK2 Series motherboards include F2A55-M LK2 PLUS and F2A55-M LK2 models. The package contents vary from models. The layout illustrations in this user guide are for F2A55-M LK2 PLUS only. 17.3cm(6.8in) KBMS ATX12V CPU_FAN DIGI +VRM...
  • Page 19: Layout Contents

    Ensure that you use a APU designed for the FM2 socket. The APU fits in only one correct orientation. DO NOT force the APU into the socket to prevent bending the pins and damaging the APU! F2A55-M LK2 PLUS F2A55-M LK2 PLUS CPU socket FM2 ASUS F2A55-M LK2 Series...
  • Page 20: Apu Installation

    1.4.1 APU installation Chapter 1: Product introduction...
  • Page 21: Apu Heatsink And Fan Assembly Installation

    1.4.2 APU heatsink and fan assembly installation Apply the Thermal Interface Material to the APU heatsink and APU before you install the heatsink and fan if necessary. To install the APU heatsink and fan assembly ASUS F2A55-M LK2 Series...
  • Page 22 To uninstall the APU heatsink and fan assembly Chapter 1: Product introduction 1-10...
  • Page 23: System Memory

    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 F2A55-M LK2 PLUS Channel B DIMM_B1 F2A55-M LK2 PLUS 240-pin DDR3 DIMM sockets ASUS F2A55-M LK2 Series 1-11...
  • Page 24: Memory Configurations

    • The maximum 32GB memory capacity can be supported with 16GB or above DIMMs. ASUS will update the memory QVL once the DIMMs are available in the market. • 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.
  • Page 25 BFR PBC Apacer AM5D5908 Apacer 78.B1GE3.9L10C • • KZZC DEQSCK KINGSTON KHX1600C10D3B1K2/16G 16GB(8GB x 2) DS 1.5V • • KINGSTON KHX16C9K2/16 16GB(8GB x 2) DS 1.5V • • N2CB4G8 Elixir M2X8G64CB8HB5N-DG(XMP) Elixir 1213 • • BOBN-DG ASUS F2A55-M LK2 Series 1-13...
  • Page 26 DDR3 1333 MHz capability DIMM socket support Vendors Part No. Size Chip Brand Chip NO. Timing Voltage (Optional) 1 DIMM 2 DIMMs A-DATA AD3U1333C2G9 A-DATA 3CCD-1509HNA1126L - • • A-DATA AM2U139C2P1 ADATA 3CCD-1509A EL1127T - • • A-DATA AX3U1333C2G9-BP • •...
  • Page 27 1 DIMM: Supports one module inserted into any slot as Single-channel memory configuration. • 2 DIMMs: Supports two modules inserted into both the blue slots as one pair of Dual- channel memory configuration. Visit the ASUS website at www.asus.com for the latest QVL. ASUS F2A55-M LK2 Series 1-15...
  • Page 28: Installing A Dimm

    1.5.3 Installing a DIMM To remove a DIMM Chapter 1: Product introduction 1-16...
  • Page 29: Expansion Slots

    This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express specifications. 1.6.5 PCI Express x16 slot This motherboard supports one PCI Express x16 graphics card that complies with the PCI Express specifications. ASUS F2A55-M LK2 Series 1-17...
  • Page 30: Irq Assignments For This Motherboard

    IRQ assignments for this motherboard PCIEx16_1 – – shared – – – – – PCIEx1_1 shared – – – – – – – PCI1 slot – – – – shared – – – Realtek LAN controller – shared – – –...
  • Page 31: Jumpers

    Normal Clear RTC (Default) F2A55-M LK2 PLUS Clear RTC RAM To erase the RTC RAM: Turn OFF the computer and unplug the power cord. 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.
  • Page 32 F2A55-M LK2 PLUS +5VSB (Default) F2A55-M LK2 PLUS USB Device Wake Up • The USB device wake-up feature requires a power supply that can provide 500mA on the +5VSB lead for each USB port; otherwise, the system would not power up.
  • Page 33: Connectors

    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 F2A55-M LK2 Series 1-21...
  • Page 34: Internal Connectors

    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 CPU_FAN connector support the ASUS Fan Xpert feature. Chapter 1: Product introduction 1-22...
  • Page 35 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. ASUS F2A55-M LK2 Series 1-23...
  • Page 36 SATA3G_3 SATA3G_4 F2A55-M LK2 PLUS F2A55-M LK2 PLUS SATA 3.0Gb/s connectors • These connectors are set to AHCI mode by default. If you intend to create a Serial ATA RAID set using these connectors, set the type of the SATA connectors in the BIOS to [RAID].
  • Page 37: System Panel Connector

    PIN 1 F2A55-M LK2 PLUS HD_LED RESET F2A55-M LK2 PLUS 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.
  • Page 38: Digital Audio Connector

    F2A55-M LK2 PLUS HD-audio-compliant Legacy AC’97 pin definition compliant definition F2A55-M LK2 PLUS Front panel audio connector • We recommend that you connect a high-definition front panel audio module to this connector to avail of the motherboard high-definition audio capability. •...
  • Page 39 COM1 PIN 1 F2A55-M LK2 PLUS F2A55-M LK2 PLUS Serial port (COM1) connector The COM module is purchased separately. ASUS F2A55-M LK2 Series 1-27...
  • Page 40: Software Support

    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 into the optical drive.
  • Page 41: Bios Information

    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. ®...
  • Page 42: Asus Ez Flash 2

    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.
  • Page 43: Asus Crashfree Bios 3 Utility

    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.
  • Page 44: Asus Bios Updater

    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.
  • Page 45: Updating The Bios File

    At the FreeDOS prompt, type bupdater /pc /g and press <Enter>. D:\>bupdater /pc /g The BIOS Updater screen appears as below. ASUSTek BIOS Updater for DOS V1.30 Current ROM Update ROM BOARD: F2A55-M LK2 PLUS BOARD: Unknown VER: 0201 VER: Unknown...
  • Page 46: Bios Setup Program

    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. ASUS F2A55-M LK2 Series...
  • Page 47 Advanced Mode Power Saving mode Loads optimized default Selects the Advanced mode functions Normal mode ASUS Optimal mode Selects the boot Selects the boot device priority device priority Displays the system properties of the selected mode on the right hand side Displays the Advanced mode menus •...
  • Page 48: 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...
  • Page 49: Menu Items

    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.
  • Page 50: Main Menu

    RAM to clear the BIOS password. See section 1.7 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 ASUS F2A55-M LK2 Series...
  • Page 51: Administrator Password

    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: Select the Administrator Password item and press <Enter>.
  • Page 52: Ai Tweaker Menu

    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: 2-12 ASUS F2A55-M LK2 Series...
  • Page 53: Ai Overclock Tuner [Auto]

    Target CPU Speed : xxxxMHz Displays the current CPU speed. Target DRAM Speed : xxxxMHz Displays the current DRAM speed. 2.4.1 Ai Overclock Tuner [Auto] Allows you to select the CPU overclocking options to achieve the desired CPU internal frequency. Select any of these preset overclocking configuration options: [Auto] Loads the optimal settings for the system.
  • Page 54: Dram Timing Control

    • SB 1.1V Voltage items are labeled in a different color, indicating the risk levels of high voltage settings. • The system may need a better cooling system to work properly under high voltage settings. 2-14 ASUS F2A55-M LK2 Series...
  • Page 55: Digi+ Vrm

    Reducing phase number under light system loading to increase VRM efficiency. [Standard] Proceeds phase control depending on the CPU loading. [Optimized] Loads the ASUS optimized phase tuning profile. [Extreme] Proceeds the full phase mode. [Manual Adjustment] Allows manual adjustment.
  • Page 56 CPU Power Duty Control [T.Probe] [T.Probe] Maintains the VRM thermal balance. [Extreme] Maintains the VRM current balance. Do not remove the thermal module while changing the DIGI+VRM related parameters. The thermal conditions should be monitored. 2-16 ASUS F2A55-M LK2 Series...
  • Page 57: Advanced Menu

    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. 2.5.1 CPU Configuration The items in this menu show the CPU-related information that the BIOS automatically detects.
  • Page 58: Sata Configuration

    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] 2-18 ASUS F2A55-M LK2 Series...
  • Page 59: Usb Configuration

    2.5.3 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. USB Device Enable [Enabled] [Enabled] Enables available USB devices. [Disabled] Disables available USB devices.
  • Page 60: Onboard Devices Configuration

    Allows you to enable or disable the serial port (COM). Configuration options: [Enabled] [Disabled] Change Settings [Auto] Allows you to select the Serial Port base address. Configuration options: [Auto] [IO=3F8h; IRQ=4] [IO=2F8h; IRQ=3] [IO=3E8h; IRQ=4] [IO=2E8h; IRQ=3] 2-20 ASUS F2A55-M LK2 Series...
  • Page 61: Apm

    2.5.6 Restore AC Power Loss [Power Off] [Power On] The system goes into on state after an AC power loss. [Power Off] The system goes into off state after an AC power loss. [Last State] The system goes into either off or on state, whatever the system state was before the AC power loss.
  • Page 62: Network Stack

    Ipv6 PXE Support [Enabled] This item appears only when you set the Network Stack item to [Enabled]. When this item is disabled, the IPV6 PXE boot option will not be created. Configuration options: [Disable Link] [Enabled] 2-22 ASUS F2A55-M LK2 Series...
  • Page 63: Monitor Menu

    Monitor menu The Monitor menu displays the system temperature/power status, and allows you to change the fan settings. 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. 2.6.2 CPU / Chassis fan Speed [xxxx RPM] or [Ignore] / [N/A]...
  • Page 64: Cpu Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage

    Select Ignore if you do not want to detect this item. 2.6.5 Anti Surge Support [Auto] This item allows you to enable or disable the Anti Surge function. Configuration options: [Auto] [Disabled] [Enabled] 2-24 ASUS F2A55-M LK2 Series...
  • Page 65: Boot Menu

    Boot menu The Boot menu items allow you to change the system boot options. Scroll down to display the following items: Chapter 2: BIOS information 2-25...
  • Page 66: Fast Boot [Enabled]

    [Disabled] 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.
  • Page 67: Post Delay Time [3 Sec]

    2.7.3 Post Delay Time [3 sec] Allows you to set the POST Report wait time. This configuration only functions in Normal Boot mode. Configuration options: [0 sec] [1 sec] [2 sec] [3 sec] [4 sec] [5 sec] [6 sec] [7 sec] [8 sec] [9 sec] [10 sec] 2.7.4 Bootup NumLock State [On]...
  • Page 68: Secure Boot

    Configuration options: [Yes] [No] KEK Management (KEK) Load KEK from File Configuration options: [OK] Copy KEK to File Configuration options: [OK] Delete the KEK Configuration options: [Yes] [No] Append KEK from File Configuration options: [OK] 2-28 ASUS F2A55-M LK2 Series...
  • Page 69: Boot Option Priorities

    • 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.
  • Page 70: Tools Menu

    <Enter> to display the submenu. 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...
  • Page 71: Exit Menu

    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 UEFI Shell application (shellx64.efi) from one...
  • Page 72 2-32 ASUS F2A55-M LK2 Series...
  • Page 73: Appendices

    : (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 F2A55-M LK2 Series...
  • Page 74: Canadian Department Of Communications Statement

    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.
  • Page 75: Asus Contact Information

    +1-812-282-3777 +1-510-608-4555 Web site usa.asus.com Technical Support Telephone +1-812-282-2787 Support fax +1-812-284-0883 Online support support.asus.com ASUS COMPUTER GmbH (Germany and Austria) Address Harkort Str. 21-23, D-40880 Ratingen, Germany +49-2102-959911 Web site www.asus.de Online contact www.asus.de/sales Technical Support Telephone +49-1805-010923* Support Fax...
  • Page 76 Appendices...

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