F1A55-M LK R2.0 User's Manual
Page 2
... Computer Inc. SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT...
... Computer Inc. SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT...
F1A55-M LK R2.0 User's Manual
Page 4
... 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 2.2 BIOS setup program 2-6 2.3 Main menu 2-10 2.3.1 System Language [English 2-10 2.3.2 System Date [Day xx/xx/xxxx 2-10 2.3.3 System Time [xx:xx:xx 2-10 2.3.4 Security 2-10 2.4 Ai Tweaker menu 2-12 2.4.1 Ai Overclock Tuner [Auto 2-13 2.4.2 Memory Frequency [Auto 2-13 2.4.3 APU Multiplier [Auto 2-13 2.4.4 EPU Power Saving Mode [Disabled 2-13 2.4.5 OC Tuner 2-13 2.4.6 DRAM Timing Control 2-14 2.4.7 DIGI+ VRM 2-14 2.4.8 CPU Voltage...
... 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 2.2 BIOS setup program 2-6 2.3 Main menu 2-10 2.3.1 System Language [English 2-10 2.3.2 System Date [Day xx/xx/xxxx 2-10 2.3.3 System Time [xx:xx:xx 2-10 2.3.4 Security 2-10 2.4 Ai Tweaker menu 2-12 2.4.1 Ai Overclock Tuner [Auto 2-13 2.4.2 Memory Frequency [Auto 2-13 2.4.3 APU Multiplier [Auto 2-13 2.4.4 EPU Power Saving Mode [Disabled 2-13 2.4.5 OC Tuner 2-13 2.4.6 DRAM Timing Control 2-14 2.4.7 DIGI+ VRM 2-14 2.4.8 CPU Voltage...
F1A55-M LK R2.0 User's Manual
Page 9
... friendly graphics user interface - F1A55-M LK R2.0 specifications summary ASUS unique features Back panel I/O ports Internal I /O shield 1 x User Manual 1 x Support DVD Drivers ASUS utilities ASUS Update Anti-Virus software (OEM version) uATX form factor: 8.9 in x 7.3 in use - ASUS EZ Flash 2 - ASUS Fan Xpert - ASUS MyLogo 2™ * The Network iControl feature does not support Windows® XP/Vista operating systems. 1 x PS/2 Mouse port (green) 1 x PS/2 Keyboard port (purple) 1 x DVI-D port 1 x D-Sub output port 1 x LAN (RJ-45) port 4 x USB 2.0/1.1 ports 3 x Audio...
... friendly graphics user interface - F1A55-M LK R2.0 specifications summary ASUS unique features Back panel I/O ports Internal I /O shield 1 x User Manual 1 x Support DVD Drivers ASUS utilities ASUS Update Anti-Virus software (OEM version) uATX form factor: 8.9 in x 7.3 in use - ASUS EZ Flash 2 - ASUS Fan Xpert - ASUS MyLogo 2™ * The Network iControl feature does not support Windows® XP/Vista operating systems. 1 x PS/2 Mouse port (green) 1 x PS/2 Keyboard port (purple) 1 x DVI-D port 1 x D-Sub output port 1 x LAN (RJ-45) port 4 x USB 2.0/1.1 ports 3 x Audio...
F1A55-M LK R2.0 User's Manual
Page 12
The CPU voltage and VRM frequency are plugged into the world's first real-time PC power saving chip through the AI Suite II utility. AMD® A55 (Hudson D2) FCH Chipset AMD® A55 FCH (Hudson D2) is designed to support up to 5GT/s interface and PCI Express 2.0 x 16 (at x4 speed) graphics. 1.3.2 8-channel high definition audio The onboard 8-channel HD audio (High Definition Audio, previously codenamed Azalia) CODEC enables high-quality 192KHz/24-bit audio output and...
The CPU voltage and VRM frequency are plugged into the world's first real-time PC power saving chip through the AI Suite II utility. AMD® A55 (Hudson D2) FCH Chipset AMD® A55 FCH (Hudson D2) is designed to support up to 5GT/s interface and PCI Express 2.0 x 16 (at x4 speed) graphics. 1.3.2 8-channel high definition audio The onboard 8-channel HD audio (High Definition Audio, previously codenamed Azalia) CODEC enables high-quality 192KHz/24-bit audio output and...
F1A55-M LK R2.0 User's Manual
Page 13
.... ASUS F1A55-M LK R2.0 1-3 Network iControl With a one -step setup and an intuitive network bandwidth control center. It also natively supports fully-utilized hard drives larger than 2.2TB in a specific time period to avoid network clogging and long-waits on /off button, the software currently in use is set as top priority over all other network programs, dominating the network bandwidth with difficult POST situations. Auto PPPoE network connection gives a one -click on downloads. 1.3.3 UEFI BIOS Easy...
.... ASUS F1A55-M LK R2.0 1-3 Network iControl With a one -step setup and an intuitive network bandwidth control center. It also natively supports fully-utilized hard drives larger than 2.2TB in a specific time period to avoid network clogging and long-waits on /off button, the software currently in use is set as top priority over all other network programs, dominating the network bandwidth with difficult POST situations. Auto PPPoE network connection gives a one -click on downloads. 1.3.3 UEFI BIOS Easy...
F1A55-M LK R2.0 User's Manual
Page 17
...(8.9in) VGA KBPWR 4 USB34 USBPW1-4 LAN_USB12 Super I/O CHA_FAN AUDIO F1A55-M LK R2.0 7 PCIEX16 Atheros 8161 PCIEX1_1 Lithium Cell CMOS Power ALC 887 AAFP AMD® SATA3G_2 A55 PCI1 7 USBPW5-8 COM1 CLRTC USB78 SB_PWR USB56 64Mb F_PANEL SATA3G_1 BIOS SPEAKER 14 13 2 12 11 10 98 1.5.4 Layout contents Connectors/Jumpers/Slots/LED 1. Keyboard power (3-pin KBPWR) 2. USB device wake-up (3-pin USBPW1-4, 3-pin USBPW5-8) 3. CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN) 4. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) 5. AMD FM1 socket 6. DDR3...
...(8.9in) VGA KBPWR 4 USB34 USBPW1-4 LAN_USB12 Super I/O CHA_FAN AUDIO F1A55-M LK R2.0 7 PCIEX16 Atheros 8161 PCIEX1_1 Lithium Cell CMOS Power ALC 887 AAFP AMD® SATA3G_2 A55 PCI1 7 USBPW5-8 COM1 CLRTC USB78 SB_PWR USB56 64Mb F_PANEL SATA3G_1 BIOS SPEAKER 14 13 2 12 11 10 98 1.5.4 Layout contents Connectors/Jumpers/Slots/LED 1. Keyboard power (3-pin KBPWR) 2. USB device wake-up (3-pin USBPW1-4, 3-pin USBPW5-8) 3. CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN) 4. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) 5. AMD FM1 socket 6. DDR3...
F1A55-M LK R2.0 User's Manual
Page 22
... for the dual-channel configuration. F1A55-M LK R2.0 Motherboard Qualified Vendors Lists (QVL) DDR3-1866 MHz capability Vendors Part No. Voltage 1.65V 1.65V 1.50V 1.5V 1.65V 1.65V DIMM socket support (Optional) A* B* • • • • • • • • • • • • 1-12 Chapter 1: Product introduction DS DS DS SS DS - Under the default state, some memory modules for overclocking may install varying memory sizes in the...
... for the dual-channel configuration. F1A55-M LK R2.0 Motherboard Qualified Vendors Lists (QVL) DDR3-1866 MHz capability Vendors Part No. Voltage 1.65V 1.65V 1.50V 1.5V 1.65V 1.65V DIMM socket support (Optional) A* B* • • • • • • • • • • • • 1-12 Chapter 1: Product introduction DS DS DS SS DS - Under the default state, some memory modules for overclocking may install varying memory sizes in the...
F1A55-M LK R2.0 User's Manual
Page 27
...adjusting the software settings. 1. Turn on BIOS setup. 2. Otherwise, conflicts will arise between the two PCI groups, making the system unstable and the card inoperable. 1.8.3 PCI slot The PCI slot supports cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. 1.8.4 PCI Express x1 slot This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express specifications. 1.8.5 PCI Express x16 slot This motherboard supports PCI Express x16 graphics cards that they support. ASUS F1A55-M LK R2.0 1-17...
...adjusting the software settings. 1. Turn on BIOS setup. 2. Otherwise, conflicts will arise between the two PCI groups, making the system unstable and the card inoperable. 1.8.3 PCI slot The PCI slot supports cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. 1.8.4 PCI Express x1 slot This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express specifications. 1.8.5 PCI Express x16 slot This motherboard supports PCI Express x16 graphics cards that they support. ASUS F1A55-M LK R2.0 1-17...
F1A55-M LK R2.0 User's Manual
Page 29
... power mode) using the connected USB devices. This feature requires an ATX power supply that can wake up the computer by pressing a key on the keyboard. Set to +5VSB to wake up feature requires a power supply that can supply at least 1A on the +5VSB lead for each USB port; USBPW1-4 12 23 +5V +5VSB (Default) F1A55-M LK R2.0 USBPW5-8 12 23 +5V +5VSB (Default) F1A55-M LK R2.0 USB device wake-up • The USB device wake-up from S1 sleep mode (CPU stopped, DRAM...
... power mode) using the connected USB devices. This feature requires an ATX power supply that can wake up the computer by pressing a key on the keyboard. Set to +5VSB to wake up feature requires a power supply that can supply at least 1A on the +5VSB lead for each USB port; USBPW1-4 12 23 +5V +5VSB (Default) F1A55-M LK R2.0 USBPW5-8 12 23 +5V +5VSB (Default) F1A55-M LK R2.0 USB device wake-up • The USB device wake-up from S1 sleep mode (CPU stopped, DRAM...
F1A55-M LK R2.0 User's Manual
Page 31
...VGA monitor or other VGA-compatible devices. 9. CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN) Connect the fan cables to the fan connectors on the fan connectors. • The CPU_FAN connector supports a CPU fan of the connector. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are for USB USB 2.0/1.1 devices. 8. These two 4-pin Universal Serial Bus (USB) ports are not jumpers! This 15-pin port is for a PS/2 keyboard. 1.10.2 Internal connectors 1. PS/2 Keyboard port (purple). USB 2.0 ports 3 and 4. 6. DVI-D port. ASUS F1A55...
...VGA monitor or other VGA-compatible devices. 9. CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN) Connect the fan cables to the fan connectors on the fan connectors. • The CPU_FAN connector supports a CPU fan of the connector. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are for USB USB 2.0/1.1 devices. 8. These two 4-pin Universal Serial Bus (USB) ports are not jumpers! This 15-pin port is for a PS/2 keyboard. 1.10.2 Internal connectors 1. PS/2 Keyboard port (purple). USB 2.0 ports 3 and 4. 6. DVI-D port. ASUS F1A55...
F1A55-M LK R2.0 User's Manual
Page 37
... Software support 1.11.1 Installing an operating system This motherboard supports Windows® XP / Vista / 7 Operating Systems (OS). The following screen is enabled in your computer, the DVD automatically displays the Specials screen. Click Drivers, Utilities, Make Disk, Manual, and Contact tabs to change at www.asus.com for reference only. Click an icon to display Support DVD/ motherboard information Click an item to locate the file ASSETUP.EXE from the BIN folder. Always install...
... Software support 1.11.1 Installing an operating system This motherboard supports Windows® XP / Vista / 7 Operating Systems (OS). The following screen is enabled in your computer, the DVD automatically displays the Specials screen. Click Drivers, Utilities, Make Disk, Manual, and Contact tabs to change at www.asus.com for reference only. Click an icon to display Support DVD/ motherboard information Click an item to locate the file ASSETUP.EXE from the BIN folder. Always install...
F1A55-M LK R2.0 User's Manual
Page 39
... motherboard BIOS file to a USB flash disk in case you update the 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. • ASUS Update requires an Internet connection either through a network or an Internet Service Provider (ISP). • This utility is available in the support DVD that you to avoid network traffic, then click Next. Copy the original motherboard BIOS using this utility. Follow the onscreen instructions...
... motherboard BIOS file to a USB flash disk in case you update the 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. • ASUS Update requires an Internet connection either through a network or an Internet Service Provider (ISP). • This utility is available in the support DVD that you to avoid network traffic, then click Next. Copy the original motherboard BIOS using this utility. Follow the onscreen instructions...
F1A55-M LK R2.0 User's Manual
Page 41
... allows you to enter BIOS Setup to load default BIOS values. Doing so can restore a corrupted BIOS file using this utility, rename the BIOS file in the removable device into F1A55MLK.CAP. • The BIOS file in the support DVD may not be the latest version. Insert the support DVD to the optical drive or the USB flash drive that contains the BIOS file to find the USB flash disk that contains the updated BIOS file. • Before using the motherboard support DVD or a USB flash drive that contains the...
... allows you to enter BIOS Setup to load default BIOS values. Doing so can restore a corrupted BIOS file using this utility, rename the BIOS file in the removable device into F1A55MLK.CAP. • The BIOS file in the support DVD may not be the latest version. Insert the support DVD to the optical drive or the USB flash drive that contains the BIOS file to find the USB flash disk that contains the updated BIOS file. • Before using the motherboard support DVD or a USB flash drive that contains the...
F1A55-M LK R2.0 User's Manual
Page 42
... the motherboard support DVD and a USB flash drive in DOS environment 1. Please select boot device: SATA: XXXXXXXXXXXXXXXX USB XXXXXXXXXXXXXXXXX UEFI: XXXXXXXXXXXXXXXX Enter Setup ↑ and ↓ to move selection ENTER to select boot device ESC to FreeDOS (http://www.freedos.org)! 2.1.4 ASUS BIOS Updater The ASUS BIOS Updater allows you can use as the boot device. This utility also allows you to copy the current BIOS file that you to Drive D (USB flash drive). Turn off the computer and disconnect all SATA hard disk drives (optional). The succeeding utility screens...
... the motherboard support DVD and a USB flash drive in DOS environment 1. Please select boot device: SATA: XXXXXXXXXXXXXXXX USB XXXXXXXXXXXXXXXXX UEFI: XXXXXXXXXXXXXXXX Enter Setup ↑ and ↓ to move selection ENTER to select boot device ESC to FreeDOS (http://www.freedos.org)! 2.1.4 ASUS BIOS Updater The ASUS BIOS Updater allows you can use as the boot device. This utility also allows you to copy the current BIOS file that you to Drive D (USB flash drive). Turn off the computer and disconnect all SATA hard disk drives (optional). The succeeding utility screens...
F1A55-M LK R2.0 User's Manual
Page 44
... after changing any BIOS setting, try to clear the CMOS and reset the motherboard to enter BIOS Setup using the BIOS Setup program. The BIOS screens include navigation keys and brief online help to turn the system off then back on. Select the Load Optimized Defaults item under the Exit Menu. See section 2.9 Exit Menu. • If the system fails to boot after POST: • Press ++ simultaneously. • Press the reset button on the system chassis...
... after changing any BIOS setting, try to clear the CMOS and reset the motherboard to enter BIOS Setup using the BIOS Setup program. The BIOS screens include navigation keys and brief online help to turn the system off then back on. Select the Load Optimized Defaults item under the Exit Menu. See section 2.9 Exit Menu. • If the system fails to boot after POST: • Press ++ simultaneously. • Press the reset button on the system chassis...
F1A55-M LK R2.0 User's Manual
Page 46
... the detailed configurations. Advanced Mode Exit Main Back Ai Tweaker Advanced Advanced\ Onboard Devices Configuration > Monitor HD Audio Device Enabled Front Panel Type HD Atheros Lan Enabled Atheros Rom Disabled > Serial Port Configuration Atheros Rom Disabled Enabled Boot Atheros Rom HELP Tool →←: Select Screen ↑↓: Select Item Enter: Select +/-: Change Opt. Advanced Mode The Advanced Mode provides advanced options for special functions For selecting the exit options and loading default settings 2-8 ASUS F1A55-M LK R2.0 Copyright...
... the detailed configurations. Advanced Mode Exit Main Back Ai Tweaker Advanced Advanced\ Onboard Devices Configuration > Monitor HD Audio Device Enabled Front Panel Type HD Atheros Lan Enabled Atheros Rom Disabled > Serial Port Configuration Atheros Rom Disabled Enabled Boot Atheros Rom HELP Tool →←: Select Screen ↑↓: Select Item Enter: Select +/-: Change Opt. Advanced Mode The Advanced Mode provides advanced options for special functions For selecting the exit options and loading default settings 2-8 ASUS F1A55-M LK R2.0 Copyright...
F1A55-M LK R2.0 User's Manual
Page 50
... 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: DRAM Voltage 1.500V Auto APU Spread Spectrum Auto Version 2.10.1208. EFI BIOS Utility - Advanced Mode Exit Main Ai Tweaker Advanced Monitor Target CPU Speed: 2400MHz Target DRAM Speed: 1333MHz Ai Overclock Tuner Auto Memory Frequency Auto APU Multiplier Auto EPU Power Saving Mode Disabled > OC Tuner > DRAM Timing Control...
... 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: DRAM Voltage 1.500V Auto APU Spread Spectrum Auto Version 2.10.1208. EFI BIOS Utility - Advanced Mode Exit Main Ai Tweaker Advanced Monitor Target CPU Speed: 2400MHz Target DRAM Speed: 1333MHz Ai Overclock Tuner Auto Memory Frequency Auto APU Multiplier Auto EPU Power Saving Mode Disabled > OC Tuner > DRAM Timing Control...
F1A55-M LK R2.0 User's Manual
Page 54
... you installed. Configuration options: [Disabled] [Enabled] 2-16 ASUS F1A55-M LK R2.0 Configuration options: [Disabled] [Auto] AMD PowerNow function [Enabled] Enables or disables the AMD PowerNow function. Configuration options: [Disabled] [Enabled] C-state Pmin [Enabled] When this menu show the CPU-related information that the BIOS automatically detects. Advanced Mode Exit Main Ai Tweaker > CPU Configuration > SATA Configuration > USB Configuration > NB Configuration > Onboard Devices Configuration > APM > Network Stack Advanced Monitor Boot Tool CPU Configuration Parameters...
... you installed. Configuration options: [Disabled] [Enabled] 2-16 ASUS F1A55-M LK R2.0 Configuration options: [Disabled] [Auto] AMD PowerNow function [Enabled] Enables or disables the AMD PowerNow function. Configuration options: [Disabled] [Enabled] C-state Pmin [Enabled] When this menu show the CPU-related information that the BIOS automatically detects. Advanced Mode Exit Main Ai Tweaker > CPU Configuration > SATA Configuration > USB Configuration > NB Configuration > Onboard Devices Configuration > APM > Network Stack Advanced Monitor Boot Tool CPU Configuration Parameters...
F1A55-M LK R2.0 User's Manual
Page 55
... hard disk errors occur, this menu allow you to set to the corresponding SATA port. 2.5.2 SATA Configuration While entering Setup, the BIOS automatically detects the presence of USB devices at startup. When read/write of commands. OnChip SATA Channel [Enabled] Enables or disables onboard channel SATA port. If detected, the USB controller legacy mode is installed to [RAID]. [Disabled] Disables this function. [Legacy ROM] Select this option when using legacy operating systems. [UEFI DRIVER] Select this option when using UEFI operating systems. S.M.A.R.T. Board SATA...
... hard disk errors occur, this menu allow you to set to the corresponding SATA port. 2.5.2 SATA Configuration While entering Setup, the BIOS automatically detects the presence of USB devices at startup. When read/write of commands. OnChip SATA Channel [Enabled] Enables or disables onboard channel SATA port. If detected, the USB controller legacy mode is installed to [RAID]. [Disabled] Disables this function. [Legacy ROM] Select this option when using legacy operating systems. [UEFI DRIVER] Select this option when using UEFI operating systems. S.M.A.R.T. Board SATA...
F1A55-M LK R2.0 User's Manual
Page 56
... the front panel audio connector (AAFP) mode to high definition audio. [AC97] Sets the front panel audio connector (AAFP) mode to enable or disable the Rom Help of Internal Graphics Device will keep memory reserved. Configuration options: [Auto] [Force] 2.5.5 Onboard Devices Configuration HD Audio Device [Enabled] [Enabled] Enables the High Definition Audio Controller. [Disabled] Disables the controller. Configuration options: [Disabled] [Enabled] Primary Video Device [PCIE / PCI Video] Selects the primary display device. Configuration options: [Enabled] [Disabled] Serial Port...
... the front panel audio connector (AAFP) mode to high definition audio. [AC97] Sets the front panel audio connector (AAFP) mode to enable or disable the Rom Help of Internal Graphics Device will keep memory reserved. Configuration options: [Auto] [Force] 2.5.5 Onboard Devices Configuration HD Audio Device [Enabled] [Enabled] Enables the High Definition Audio Controller. [Disabled] Disables the controller. Configuration options: [Disabled] [Enabled] Primary Video Device [PCIE / PCI Video] Selects the primary display device. Configuration options: [Enabled] [Disabled] Serial Port...