F2A55-M LK2 User's Manual
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... SPDIF_OUTCOM1USBPW5-8 USB78 AAFP AMD® A55 SATA3G_1 SATA3G_2 SPEAKER CLRTC USB56 32Mb BIOS SATA3G_3 SATA3G_4 F_PANEL ASUS F2A55-M LK2 Series motherboard User Guide 2 x Serial ATA 3.0 Gb/s cables 1 x I/O Shield User Guide Support DVD • F2A55-M LK2 Series motherboards include F2A55-M LK2 PLUS and F2A55-M LK2 models. xi Package contents Check your retailer. • The illustrated items above items is damaged...
... SPDIF_OUTCOM1USBPW5-8 USB78 AAFP AMD® A55 SATA3G_1 SATA3G_2 SPEAKER CLRTC USB56 32Mb BIOS SATA3G_3 SATA3G_4 F_PANEL ASUS F2A55-M LK2 Series motherboard User Guide 2 x Serial ATA 3.0 Gb/s cables 1 x I/O Shield User Guide Support DVD • F2A55-M LK2 Series motherboards include F2A55-M LK2 PLUS and F2A55-M LK2 models. xi Package contents Check your retailer. • The illustrated items above items is damaged...
F2A55-M LK2 User's Manual
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... capacitors for durability, improved lifespan, and enhanced thermal capacity. AMD® A55 FCH chipset AMD® A55 FCH is designed to support up to 5GT/s. ASUS F2A55-M LK2 Series 1-1 Gigabit LAN solution The onboard LAN controller is enhanced with AMD® Radeon™ HD 7000 series graphics. It is a highly integrated Gb LAN...
... capacitors for durability, improved lifespan, and enhanced thermal capacity. AMD® A55 FCH chipset AMD® A55 FCH is designed to support up to 5GT/s. ASUS F2A55-M LK2 Series 1-1 Gigabit LAN solution The onboard LAN controller is enhanced with AMD® Radeon™ HD 7000 series graphics. It is a highly integrated Gb LAN...
F2A55-M LK2 User's Manual
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...update the BIOS without using a bootable floppy disk or an OS-based utility. It allows you to energy consumptions. ASUS CrashFree BIOS 3 ASUS CrashFree BIOS 3 allows you to configure the overclocking settings, adjust the frequencies and related voltages, remotely control the ...ready, and ErP requires products to meet certain energy efficiency requirements in line with ASUS vision of the product and thus mitigate environmental impacts. ASUS F2A55-M LK2 Series 1-3 ASUS Fan Xpert ASUS Fan Xpert intelligently allows you to a quiet and cool computing environment. eliminates the ...
...update the BIOS without using a bootable floppy disk or an OS-based utility. It allows you to energy consumptions. ASUS CrashFree BIOS 3 ASUS CrashFree BIOS 3 allows you to configure the overclocking settings, adjust the frequencies and related voltages, remotely control the ...ready, and ErP requires products to meet certain energy efficiency requirements in line with ASUS vision of the product and thus mitigate environmental impacts. ASUS F2A55-M LK2 Series 1-3 ASUS Fan Xpert ASUS Fan Xpert intelligently allows you to a quiet and cool computing environment. eliminates the ...
F2A55-M LK2 User's Manual
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Doing so can damage the motherboard. Place this side towards the rear of the chassis as indicated in the image below. 1.3.2 Screw holes Place six screws into the chassis in the correct orientation. F2A55-M LK2 PLUS ASUS F2A55-M LK2 Series 1-5 1.3 Motherboard overview 1.3.1 Placement direction When installing the motherboard, ensure that you place it into the holes indicated by circles to secure the motherboard to the rear part of the chassis. DO NOT overtighten the screws! The edge with external ports goes to the chassis.
Doing so can damage the motherboard. Place this side towards the rear of the chassis as indicated in the image below. 1.3.2 Screw holes Place six screws into the chassis in the correct orientation. F2A55-M LK2 PLUS ASUS F2A55-M LK2 Series 1-5 1.3 Motherboard overview 1.3.1 Placement direction When installing the motherboard, ensure that you place it into the holes indicated by circles to secure the motherboard to the rear part of the chassis. DO NOT overtighten the screws! The edge with external ports goes to the chassis.
F2A55-M LK2 User's Manual
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... Processing Unit (APU) This motherboard comes with an FM2 socket designed for the FM2 socket. The APU fits in only one correct orientation. F2A55-M LK2 PLUS F2A55-M LK2 PLUS CPU socket FM2 ASUS F2A55-M LK2 Series 1-7 Keyboard power (3-pin KBPWR) 2. CPU fan connector (4-pin CPU_FAN) 5. Clear RTC RAM (3-pin CLRTC) 8. AMD FM2 socket 4. DDR3 DIMM slots 6. Digital...
... Processing Unit (APU) This motherboard comes with an FM2 socket designed for the FM2 socket. The APU fits in only one correct orientation. F2A55-M LK2 PLUS F2A55-M LK2 PLUS CPU socket FM2 ASUS F2A55-M LK2 Series 1-7 Keyboard power (3-pin KBPWR) 2. CPU fan connector (4-pin CPU_FAN) 5. Clear RTC RAM (3-pin CLRTC) 8. AMD FM2 socket 4. DDR3 DIMM slots 6. Digital...
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To install the APU heatsink and fan assembly 1 2 3 4 5 ASUS F2A55-M LK2 Series 1-9 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 1 2 3 4 5 ASUS F2A55-M LK2 Series 1-9 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.
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1.5 System memory 1.5.1 Overview This motherboard comes with less power consumption. DDR3 modules are developed for better performance with two 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. The figure illustrates the location of the DDR3 DIMM sockets: DIMM_A1 DIMM_B1 F2A55-M LK2 PLUS Channel Channel A Channel B F2A55-M LK2 PLUS 240-pin DDR3 DIMM sockets Sockets DIMM_A1 DIMM_B1 ASUS F2A55-M LK2 Series 1-11
1.5 System memory 1.5.1 Overview This motherboard comes with less power consumption. DDR3 modules are developed for better performance with two 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. The figure illustrates the location of the DDR3 DIMM sockets: DIMM_A1 DIMM_B1 F2A55-M LK2 PLUS Channel Channel A Channel B F2A55-M LK2 PLUS 240-pin DDR3 DIMM sockets Sockets DIMM_A1 DIMM_B1 ASUS F2A55-M LK2 Series 1-11
F2A55-M LK2 User's Manual
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... KINGSTON KVR1066D3N7/1G(low profile) 1GB SS KINGSTON KVR1066D3N7/4G 4GB DS Micron ELPIDA ELPIDA Hynix 9GF22D9KPT 7 J1108EDSE-DJ-F - Visit the ASUS website at www.asus.com for the latest QVL. ASUS F2A55-M LK2 Series 1-15 Double-sided DIMM support: • 1 DIMM: Supports one module inserted into any slot as Single-channel memory configuration. •...
... KINGSTON KVR1066D3N7/1G(low profile) 1GB SS KINGSTON KVR1066D3N7/4G 4GB DS Micron ELPIDA ELPIDA Hynix 9GF22D9KPT 7 J1108EDSE-DJ-F - Visit the ASUS website at www.asus.com for the latest QVL. ASUS F2A55-M LK2 Series 1-15 Double-sided DIMM support: • 1 DIMM: Supports one module inserted into any slot as Single-channel memory configuration. •...
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... PCI Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express specifications. Failure to do not need to the card. 3. ASUS F2A55-M LK2 Series 1-17 The following sub‑sections describe the slots and the expansion cards that complies with the PCI Express specifications. 1.6.5 PCI Express x16 slot...
... PCI Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express specifications. Failure to do not need to the card. 3. ASUS F2A55-M LK2 Series 1-17 The following sub‑sections describe the slots and the expansion cards that complies with the PCI Express specifications. 1.6.5 PCI Express x16 slot...
F2A55-M LK2 User's Manual
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... clearing the RTC RAM, never remove the cap on pins 2-3 for about 5~10 seconds, then move the jumper again to pins 1-2. 3. F2A55-M LK2 PLUS CLRTC 12 23 Normal (Default) Clear RTC F2A55-M LK2 PLUS Clear RTC RAM To erase the RTC RAM: 1. After clearing the CMOS, reinstall the battery. • You do not help... Real Time Clock (RTC) RAM in CMOS, which include system setup information such as system passwords. Turn OFF the computer and unplug the power cord. 2. ASUS F2A55-M LK2 Series 1-19
... clearing the RTC RAM, never remove the cap on pins 2-3 for about 5~10 seconds, then move the jumper again to pins 1-2. 3. F2A55-M LK2 PLUS CLRTC 12 23 Normal (Default) Clear RTC F2A55-M LK2 PLUS Clear RTC RAM To erase the RTC RAM: 1. After clearing the CMOS, reinstall the battery. • You do not help... Real Time Clock (RTC) RAM in CMOS, which include system setup information such as system passwords. Turn OFF the computer and unplug the power cord. 2. ASUS F2A55-M LK2 Series 1-19
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...). In the 4, 6, and 8-channel configurations, the function of the audio ports in the front panel to the tape, CD, DVD player, or other audio sources. 4. ASUS F2A55-M LK2 Series 1-21 LAN port LED indications Activity/Link LED Status Description OFF No link ORANGE Linked BLINKING Data activity Speed LED Status Description OFF 10Mbps...
...). In the 4, 6, and 8-channel configurations, the function of the audio ports in the front panel to the tape, CD, DVD player, or other audio sources. 4. ASUS F2A55-M LK2 Series 1-21 LAN port LED indications Activity/Link LED Status Description OFF No link ORANGE Linked BLINKING Data activity Speed LED Status Description OFF 10Mbps...
F2A55-M LK2 User's Manual
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...power output when configuring a system with 20-pin and 4-pin power plugs, ensure that the 20-pin power plug can provide at http://support.asus. The system may become unstable or may not boot up if the power is inadequate. • DO NOT forget to use a PSU ...DC F2A55-M LK2 PLUS GND GND +3 Volts +12 Volts +12 Volts +5V Standby Power OK GND PIN 1 +5 Volts GND +5 Volts GND +3 Volts +3 Volts PIN 1 GND +5 Volts +5 Volts +5 Volts -5 Volts GND GND GND PSON# GND -12 Volts +3 Volts F2A55-M LK2 PLUS ATX power connectors • We recommend that you are for details. ASUS F2A55-M LK2 Series...
...power output when configuring a system with 20-pin and 4-pin power plugs, ensure that the 20-pin power plug can provide at http://support.asus. The system may become unstable or may not boot up if the power is inadequate. • DO NOT forget to use a PSU ...DC F2A55-M LK2 PLUS GND GND +3 Volts +12 Volts +12 Volts +5V Standby Power OK GND PIN 1 +5 Volts GND +5 Volts GND +3 Volts +3 Volts PIN 1 GND +5 Volts +5 Volts +5 Volts -5 Volts GND GND GND PSON# GND -12 Volts +3 Volts F2A55-M LK2 PLUS ATX power connectors • We recommend that you are for details. ASUS F2A55-M LK2 Series...
F2A55-M LK2 User's Manual
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... power LED cable to this connector. Connect the HDD Activity LED cable to this connector. SPEAKER F2A55-M LK2 PLUS PIN 1 F2A55-M LK2 PLUS Speaker Out Connector +5V GND GND Speaker Out ASUS F2A55-M LK2 Series 1-25 System panel connector (10-1 pin PANEL) This connector supports several chassis-mounted functions....Reset button (2-pin RESET) This 2-pin connector is for the HDD Activity LED. F_PANEL PWR LED PWR BTN 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 chassis-mounted reset button...
... power LED cable to this connector. Connect the HDD Activity LED cable to this connector. SPEAKER F2A55-M LK2 PLUS PIN 1 F2A55-M LK2 PLUS Speaker Out Connector +5V GND GND Speaker Out ASUS F2A55-M LK2 Series 1-25 System panel connector (10-1 pin PANEL) This connector supports several chassis-mounted functions....Reset button (2-pin RESET) This 2-pin connector is for the HDD Activity LED. F_PANEL PWR LED PWR BTN 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 chassis-mounted reset button...
F2A55-M LK2 User's Manual
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... damage the motherboard! USB78 USB56 USB+5V USB_P6USB_P6+ GND NC USB+5V USB_P8USB_P8+ GND NC F2A55-M LK2 PLUS PIN 1 PIN 1 USB+5V USB_P5USB_P5+ GND USB+5V USB_P7USB_P7+ GND F2A55-M LK2 PLUS USB2.0 connectors Never connect a 1394 cable to a slot opening at the back of these...F2A55-M LK2 PLUS F2A55-M LK2 PLUS Serial port (COM1) connector The COM module is for USB 2.0 ports. Connect the USB module cable to any of the system chassis. These USB connectors comply with USB 2.0 specification that supports up to a slot opening at the back of the system chassis. ASUS F2A55-M LK2...
... damage the motherboard! USB78 USB56 USB+5V USB_P6USB_P6+ GND NC USB+5V USB_P8USB_P8+ GND NC F2A55-M LK2 PLUS PIN 1 PIN 1 USB+5V USB_P5USB_P5+ GND USB+5V USB_P7USB_P7+ GND F2A55-M LK2 PLUS USB2.0 connectors Never connect a 1394 cable to a slot opening at the back of these...F2A55-M LK2 PLUS F2A55-M LK2 PLUS Serial port (COM1) connector The COM module is for USB 2.0 ports. Connect the USB module cable to any of the system chassis. These USB connectors comply with USB 2.0 specification that supports up to a slot opening at the back of the system chassis. ASUS F2A55-M LK2...
F2A55-M LK2 User's Manual
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... of the BIOS setup program. c. b. Insert the USB flash disk that contains the latest BIOS file to prevent system boot failure! 2-2 ASUS F2A55-M LK2 Series Enter the Advanced Mode of updating itself through the Internet. Press to switch to avail all its features. Always update the utility to ...start using EZ Flash 2: 1. From the FTP site, select the BIOS version that contains the latest BIOS, and then press . 5. Select the ASUS FTP site nearest you to find the BIOS file, and then press to download then click Next. Updating from a BIOS file a. Updating from the...
... of the BIOS setup program. c. b. Insert the USB flash disk that contains the latest BIOS file to prevent system boot failure! 2-2 ASUS F2A55-M LK2 Series Enter the Advanced Mode of updating itself through the Internet. Press to switch to avail all its features. Always update the utility to ...start using EZ Flash 2: 1. From the FTP site, select the BIOS version that contains the latest BIOS, and then press . 5. Select the ASUS FTP site nearest you to find the BIOS file, and then press to download then click Next. Updating from a BIOS file a. Updating from the...
F2A55-M LK2 User's Manual
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... latest BIOS file and BIOS Updater from Drive C (optical drive) to FreeDOS (http://www.freedos.org)! Boot your computer. C:\>d: D:\> 2-4 ASUS F2A55-M LK2 Series Do not save them on a single partition. 2. Turn off the computer and disconnect all SATA hard disk drives (optional). This utility also...16 on the USB flash drive. Prepare the motherboard support DVD and a USB flash drive formatted using defaults 3. 2.1.4 ASUS BIOS Updater The ASUS BIOS Updater allows you to show the BIOS Boot Device Select Menu. NTFS is not supported under DOS environment. The succeeding...
... latest BIOS file and BIOS Updater from Drive C (optical drive) to FreeDOS (http://www.freedos.org)! Boot your computer. C:\>d: D:\> 2-4 ASUS F2A55-M LK2 Series Do not save them on a single partition. 2. Turn off the computer and disconnect all SATA hard disk drives (optional). This utility also...16 on the USB flash drive. Prepare the motherboard support DVD and a USB flash drive formatted using defaults 3. 2.1.4 ASUS BIOS Updater The ASUS BIOS Updater allows you to show the BIOS Boot Device Select Menu. NTFS is not supported under DOS environment. The succeeding...
F2A55-M LK2 User's Manual
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... Advanced Mode. The BIOS screens include navigation keys and brief online help to ensure optimum performance. If you in the EZ Mode/Advanced Mode screen. 2-6 ASUS F2A55-M LK2 Series Do this motherboard apply for reference purposes only, and may not exactly match what you see on your screen. • Ensure that a USB mouse...
... Advanced Mode. The BIOS screens include navigation keys and brief online help to ensure optimum performance. If you in the EZ Mode/Advanced Mode screen. 2-6 ASUS F2A55-M LK2 Series Do this motherboard apply for reference purposes only, and may not exactly match what you see on your screen. • Ensure that a USB mouse...
F2A55-M LK2 User's Manual
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To access the EZ Mode, click Exit, then select ASUS EZ Mode. Back button Menu items Menu bar Configuration fields General help Submenu item Pop-up window Navigation keys Menu bar The menu bar on .... The figure below shows an example of the screen has the following sections for special functions For selecting the exit options and loading default settings 2-8 ASUS F2A55-M LK2 Series
To access the EZ Mode, click Exit, then select ASUS EZ Mode. Back button Menu items Menu bar Configuration fields General help Submenu item Pop-up window Navigation keys Menu bar The menu bar on .... The figure below shows an example of the screen has the following sections for special functions For selecting the exit options and loading default settings 2-8 ASUS F2A55-M LK2 Series
F2A55-M LK2 User's Manual
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... Administrator or User Password items on how to clear the BIOS password. See section 1.7 Jumpers for information on top of the screen show Installed. 2-10 ASUS F2A55-M LK2 Series 2.3 Main menu The Main menu screen appears when you enter the Advanced Mode of the basic system information, and allows you to set a password...
... Administrator or User Password items on how to clear the BIOS password. See section 1.7 Jumpers for information on top of the screen show Installed. 2-10 ASUS F2A55-M LK2 Series 2.3 Main menu The Main menu screen appears when you enter the Advanced Mode of the basic system information, and allows you to set a password...
F2A55-M LK2 User's Manual
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The configuration options for this section vary depending on the CPU and DIMM model 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 display the following items: 2-12 ASUS F2A55-M LK2 Series Scroll down to malfunction. 2.4 Ai Tweaker menu The Ai Tweaker menu items allow you installed on the motherboard.
The configuration options for this section vary depending on the CPU and DIMM model 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 display the following items: 2-12 ASUS F2A55-M LK2 Series Scroll down to malfunction. 2.4 Ai Tweaker menu The Ai Tweaker menu items allow you installed on the motherboard.