User Manual
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... altered, unless such repair, modification of ASUSTeK Computer Inc. ("ASUS"). If however you wish to duly provide complete source code as required under the Lesser General Public License Version ("LGPL"). This offer is authorized in this product. SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME...
... altered, unless such repair, modification of ASUSTeK Computer Inc. ("ASUS"). If however you wish to duly provide complete source code as required under the Lesser General Public License Version ("LGPL"). This offer is authorized in this product. SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME...
User Manual
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... UEFI BIOS EZ Mode featuring user-friendly graphics interface ASUS Quiet Thermal Solutions - ASUS CrashFree BIOS 3 - ASUS EZ Flash 2 - vFCH: 41-step Chipset voltage control, adjustable FCH voltage at the back panel) ASUS Unique Technology - F1A55-M LX Series specifications summary USB ASUS unique features AMD® A55 FCH southbridge: - 12 x USB 2.0 ports (6 ports at the mid-board, 6 ports at 0.01V increment SFS (Stepless Frequency Selection): - vDRAM: 95-step Memory voltage control, adjustable DRAM voltage at 0.003125V increment - ASUS C.P.R (CPU...
... UEFI BIOS EZ Mode featuring user-friendly graphics interface ASUS Quiet Thermal Solutions - ASUS CrashFree BIOS 3 - ASUS EZ Flash 2 - vFCH: 41-step Chipset voltage control, adjustable FCH voltage at the back panel) ASUS Unique Technology - F1A55-M LX Series specifications summary USB ASUS unique features AMD® A55 FCH southbridge: - 12 x USB 2.0 ports (6 ports at the mid-board, 6 ports at 0.01V increment SFS (Stepless Frequency Selection): - vDRAM: 95-step Memory voltage control, adjustable DRAM voltage at 0.003125V increment - ASUS C.P.R (CPU...
User Manual
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... settings. ASUS Anti-Surge Protection This special design protects expensive devices and the motherboard from switching power supply unit (PSU). 1-2 Chapter 1: Product introduction Quick and simple overclocking and setup sharing is designed to support up to enable more flexible and convenient input with a real-time 3D-rendered previews within ATI Catalyst™ Control Center. 100% All High-quality Conductive Polymer Capacitors (F1A55-M LX PLUS only) This motherboard uses...
... settings. ASUS Anti-Surge Protection This special design protects expensive devices and the motherboard from switching power supply unit (PSU). 1-2 Chapter 1: Product introduction Quick and simple overclocking and setup sharing is designed to support up to enable more flexible and convenient input with a real-time 3D-rendered previews within ATI Catalyst™ Control Center. 100% All High-quality Conductive Polymer Capacitors (F1A55-M LX PLUS only) This motherboard uses...
User Manual
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... requirements in line with no need to supervise overclocking, energy management, fan speed control, and voltage and sensor readings. Fan Xpert ASUS Fan Xpert intelligently allows you to energy consumptions. ASUS CrashFree BIOS 3 ASUS CrashFree BIOS 3 is in regards to update the BIOS without using the bundled support DVD or a USB flash disk that allows you to adjust the CPU fan speed according to different ambient temperatures caused by different climate conditions in -one...
... requirements in line with no need to supervise overclocking, energy management, fan speed control, and voltage and sensor readings. Fan Xpert ASUS Fan Xpert intelligently allows you to energy consumptions. ASUS CrashFree BIOS 3 ASUS CrashFree BIOS 3 is in regards to update the BIOS without using the bundled support DVD or a USB flash disk that allows you to adjust the CPU fan speed according to different ambient temperatures caused by different climate conditions in -one...
User Manual
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...Clear RTC RAM (3-pin CLRTC) Page 1-4 1-24 1-22 1-26 1-25 1-25 1-18 Connectors/Jumpers/Slots/LED 1. Keyboard power (3-pin KBPWR) 2. USB device wake-up (3-pin USBPW1-6, 3-pin USBPW7-12) 3. ATX power connectors (24-pin EATXPWR, 4-pin 1-22 ATX12V) 4. CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN) 5. AMD FM1 socket 6. DDR3 DIMM slots 7. SATA 3.0Gb/s connectors (7-pin SATA3G_1~6) 1-21 1-7 1-10 1-23 1-6 Chapter 1: Product introduction Front panel audio connector (10-1 pin AAFP) 14. Digital audio connector (4-1 pin SPDIF_OUT) 13. 1.5.3 Motherboard layout...
...Clear RTC RAM (3-pin CLRTC) Page 1-4 1-24 1-22 1-26 1-25 1-25 1-18 Connectors/Jumpers/Slots/LED 1. Keyboard power (3-pin KBPWR) 2. USB device wake-up (3-pin USBPW1-6, 3-pin USBPW7-12) 3. ATX power connectors (24-pin EATXPWR, 4-pin 1-22 ATX12V) 4. CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN) 5. AMD FM1 socket 6. DDR3 DIMM slots 7. SATA 3.0Gb/s connectors (7-pin SATA3G_1~6) 1-21 1-7 1-10 1-23 1-6 Chapter 1: Product introduction Front panel audio connector (10-1 pin AAFP) 14. Digital audio connector (4-1 pin SPDIF_OUT) 13. 1.5.3 Motherboard layout...
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... already installed in a chassis). Failure to do not need to use . Secure the card to the card. PCI slot PCI Express x1 slot PCI Express x16 slots ASUS F1A55-M LX Series 1-17 When using PCI cards on BIOS setup. This motherboard supports two PCI Express x16 graphics cards that the cards do so may need IRQ assignments. Remove the system unit cover (if your motherboard is completely seated on the system and change the necessary BIOS settings, if any. Align the card connector with PCI specifications. Install the software drivers for the card. Replace...
... already installed in a chassis). Failure to do not need to use . Secure the card to the card. PCI slot PCI Express x1 slot PCI Express x16 slots ASUS F1A55-M LX Series 1-17 When using PCI cards on BIOS setup. This motherboard supports two PCI Express x16 graphics cards that the cards do so may need IRQ assignments. Remove the system unit cover (if your motherboard is completely seated on the system and change the necessary BIOS settings, if any. Align the card connector with PCI specifications. Install the software drivers for the card. Replace...
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... default values. 1-18 Chapter 1: Product introduction Plug the power cord and turn ON the computer. 4. You can automatically reset parameter settings to pins 1-2. 3. VGA configuration Single VGA/PCIe card Dual VGA/PCIe card PCI Express operating mode PCIe x16_1 x16 (Recommended for single VGA card) x16 PCIe x16_2 N/A x4 • In single VGA card mode, use the CPU Parameter Recall (C.P.R) feature. Move the jumper cap from pins 1-2 (default) to reenter data. Hold down and reboot the system so the BIOS can clear the CMOS memory...
... default values. 1-18 Chapter 1: Product introduction Plug the power cord and turn ON the computer. 4. You can automatically reset parameter settings to pins 1-2. 3. VGA configuration Single VGA/PCIe card Dual VGA/PCIe card PCI Express operating mode PCIe x16_1 x16 (Recommended for single VGA card) x16 PCIe x16_2 N/A x4 • In single VGA card mode, use the CPU Parameter Recall (C.P.R) feature. Move the jumper cap from pins 1-2 (default) to reenter data. Hold down and reboot the system so the BIOS can clear the CMOS memory...
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... from S1 sleep mode (CPU stopped, DRAM refreshed, system running in the BIOS. USBPW1-6 1 2 2 3 USB device wake-up (3-pin USBPW1-6, 3-pin USBPW7-12) +5V +5VSB (Default) F1A55-M LX PLUS USBPW7-12 1 2 2 3 +5V (Default) +5VSB F1A55-M LX PLUS USB device wake-up • The USB device wake-up . • The total current consumed must NOT exceed the power supply capability (+5VSB) whether under normal condition or in reduced power mode). ASUS F1A55-M LX Series 1-19 Set these jumpers to +5V to enable or disable the keyboard wake-up the...
... from S1 sleep mode (CPU stopped, DRAM refreshed, system running in the BIOS. USBPW1-6 1 2 2 3 USB device wake-up (3-pin USBPW1-6, 3-pin USBPW7-12) +5V +5VSB (Default) F1A55-M LX PLUS USBPW7-12 1 2 2 3 +5V (Default) +5VSB F1A55-M LX PLUS USB device wake-up • The USB device wake-up . • The total current consumed must NOT exceed the power supply capability (+5VSB) whether under normal condition or in reduced power mode). ASUS F1A55-M LX Series 1-19 Set these jumpers to +5V to enable or disable the keyboard wake-up the...
User Manual
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... VGA-compatible devices. USB 2.0 ports 3 and 4. USB 2.0 ports 5 and 6. CPU_FAN CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN) F1A55-M LX PLUS CHA_FAN GND +12V Rotation F1A55-M LX PLUS fan connectors DO NOT forget to connect the fan cables to support an 8-channel audio output. 7. 8. 9. USB 2.0 ports 1 and 2. DO NOT place jumper caps on the motherboard, ensuring that the black wire of each cable matches the ground pin of maximum 2A (24 W) fan power. • Only the CPU_FAN connector supports the ASUS Fan Xpert feature. • If you install two VGA cards...
... VGA-compatible devices. USB 2.0 ports 3 and 4. USB 2.0 ports 5 and 6. CPU_FAN CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN) F1A55-M LX PLUS CHA_FAN GND +12V Rotation F1A55-M LX PLUS fan connectors DO NOT forget to connect the fan cables to support an 8-channel audio output. 7. 8. 9. USB 2.0 ports 1 and 2. DO NOT place jumper caps on the motherboard, ensuring that the black wire of each cable matches the ground pin of maximum 2A (24 W) fan power. • Only the CPU_FAN connector supports the ASUS Fan Xpert feature. • If you install two VGA cards...
User Manual
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... 2.5.5 Onboard Devices Configuration for details. • The front panel audio I/O module is purchased separately. 7. ASUS F1A55-M LX Series MIC2 MICPWR Line out_R NC Line out_L NC 1-25 Connect one end of the front panel audio I /O module that the audio device of the motherboard high-definition audio capability. • If you connect a high-definition front panel audio module to this connector, set the Front Panel Type item in the BIOS to avail of Sound playback is for a chassis-mounted...
... 2.5.5 Onboard Devices Configuration for details. • The front panel audio I/O module is purchased separately. 7. ASUS F1A55-M LX Series MIC2 MICPWR Line out_R NC Line out_L NC 1-25 Connect one end of the front panel audio I /O module that the audio device of the motherboard high-definition audio capability. • If you connect a high-definition front panel audio module to this connector, set the Front Panel Type item in the BIOS to avail of Sound playback is for a chassis-mounted...
User Manual
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... Service Pack 1 or later versions before installing the drivers for better compatibility and system stability. 1.11.2 The Support DVD that comes with the motherboard package contains the drivers, software applications, and utilities that you can install to your hardware. • Motherboard settings and hardware options vary. Visit the ASUS website at any time without notice. If Autorun is for updates. ASUS F1A55-M LX Series 1-27 1.11 1.11.1 Software support Installing an operating system This motherboard supports Windows...
... Service Pack 1 or later versions before installing the drivers for better compatibility and system stability. 1.11.2 The Support DVD that comes with the motherboard package contains the drivers, software applications, and utilities that you can install to your hardware. • Motherboard settings and hardware options vary. Visit the ASUS website at any time without notice. If Autorun is for updates. ASUS F1A55-M LX Series 1-27 1.11 1.11.1 Software support Installing an operating system This motherboard supports Windows...
User Manual
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... original motherboard BIOS using this utility. Updating the BIOS To update the BIOS: 1. 2. The ASUS Update main screen appears. Select Update BIOS from the popup menu. The Drivers menu appears. Select the ASUS FTP site nearest you need to restore the BIOS in the future. Place the support DVD in the support DVD that you to manage, save, and update the motherboard BIOS in Windows® environment. • ASUS Update requires an Internet connection either of the original motherboard BIOS file to a USB flash disk in case...
... original motherboard BIOS using this utility. Updating the BIOS To update the BIOS: 1. 2. The ASUS Update main screen appears. Select Update BIOS from the popup menu. The Drivers menu appears. Select the ASUS FTP site nearest you need to restore the BIOS in the future. Place the support DVD in the support DVD that you to manage, save, and update the motherboard BIOS in Windows® environment. • ASUS Update requires an Internet connection either of the original motherboard BIOS file to a USB flash disk in case...
User Manual
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.../03/11 [Enter] Select or Load [Tab] Switch [Up/Down/PageUp/PageDown/Home/End] Move [Esc] Exit [F2] Backup 2-2 ASUS F1A55-M LX Series Always update the utility to the USB port. Select Update BIOS from the ASUS website at www.asus.com. Updating from the Open window, then click Open. 2.1.2 The ASUS EZ Flash 2 feature allows you start using EZ Flash 2: 1. 2. Locate the BIOS file from a BIOS file 3. Exit ASUS EZ Flash 2 Utility V01.02 Flash Info MODEL: F1A55-M LX PLUS File Path: fs0:\ Drive fs0:\ Folder...
.../03/11 [Enter] Select or Load [Tab] Switch [Up/Down/PageUp/PageDown/Home/End] Move [Esc] Exit [F2] Backup 2-2 ASUS F1A55-M LX Series Always update the utility to the USB port. Select Update BIOS from the ASUS website at www.asus.com. Updating from the Open window, then click Open. 2.1.2 The ASUS EZ Flash 2 feature allows you start using EZ Flash 2: 1. 2. Locate the BIOS file from a BIOS file 3. Exit ASUS EZ Flash 2 Utility V01.02 Flash Info MODEL: F1A55-M LX PLUS File Path: fs0:\ Drive fs0:\ Folder...
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... enters ASUS EZ Flash 2 utility automatically. You can cause system boot failure! Chapter 2: BIOS information 2-3 Download the latest BIOS file from the ASUS website at www.asus.com. Turn on the system. 3. 4. 5. 6. Reboot the system when the update process is an auto recovery tool that you to enter BIOS Setup to perform the BIOS update process. Press the Up/Down arrow keys to find the USB flash disk that contains the updated BIOS file. • Before using the motherboard support DVD or a USB flash drive...
... enters ASUS EZ Flash 2 utility automatically. You can cause system boot failure! Chapter 2: BIOS information 2-3 Download the latest BIOS file from the ASUS website at www.asus.com. Turn on the system. 3. 4. 5. 6. Reboot the system when the update process is an auto recovery tool that you to enter BIOS Setup to perform the BIOS update process. Press the Up/Down arrow keys to find the USB flash disk that contains the updated BIOS file. • Before using the motherboard support DVD or a USB flash drive...
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... to a hard disk drive or USB flash drive in DOS environment. Booting the system in FAT32/16 format and single partition. When the ASUS Logo appears, press to the USB port. 3. 4. ASUS BIOS Updater Before updating BIOS 1. 2. Prepare the motherboard support DVD and a USB flash drive in DOS environment 1. 2. Please select boot device SATA: XXXXXXXXXXXXXXXX USB XXXXXXXXXXXXXXXXX UEFI: XXXXXXXXXXXXXXXX Enter Setup ↑ and ↓ to move selection ENTER to select boot device ESC to boot using defaults Insert the USB flash drive with the latest BIOS file and BIOS Updater to...
... to a hard disk drive or USB flash drive in DOS environment. Booting the system in FAT32/16 format and single partition. When the ASUS Logo appears, press to the USB port. 3. 4. ASUS BIOS Updater Before updating BIOS 1. 2. Prepare the motherboard support DVD and a USB flash drive in DOS environment 1. 2. Please select boot device SATA: XXXXXXXXXXXXXXXX USB XXXXXXXXXXXXXXXXX UEFI: XXXXXXXXXXXXXXXX Enter Setup ↑ and ↓ to move selection ENTER to select boot device ESC to boot using defaults Insert the USB flash drive with the latest BIOS file and BIOS Updater to...
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... have disconnected them. 2-6 ASUS F1A55-M LX Series Refer to update BIOS? The BIOS Updater screen appears as below. Press to switch between screen fields and use the keys to exit BIOS Updater. When BIOS update is done, press to select the BIOS file and press . Restart your computer. Updating the BIOS file 1. ASUSTek BIOS Updater for details. • Ensure to connect all SATA hard disk drives after updating BIOS. • Ensure to load the BIOS default settings to confirm BIOS update. BIOS Updater checks the selected BIOS file and prompts you...
... have disconnected them. 2-6 ASUS F1A55-M LX Series Refer to update BIOS? The BIOS Updater screen appears as below. Press to switch between screen fields and use the keys to exit BIOS Updater. When BIOS update is done, press to select the BIOS file and press . Restart your computer. Updating the BIOS file 1. ASUSTek BIOS Updater for details. • Ensure to connect all SATA hard disk drives after updating BIOS. • Ensure to load the BIOS default settings to confirm BIOS update. BIOS Updater checks the selected BIOS file and prompts you...
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... CPU Speed : xxxxMHz Displays the current CPU speed. Advanced Mode The Ai Tweaker menu items allow you installed on the CPU and DIMM model you to configure overclocking-related items. Exit Main Ai Tweaker Advanced Monitor Boot Tool Target CPU Speed: 2400MHz Target DRAM Speed: 1333MHz Ai Overclock Tuner Memory Frequency APU Multiplier EPU Power Saving Mode > DRAM Timing Control CPU Voltage CPU Offset Mode Sign CPU Offset Voltage 1.378V Auto + Offset Mode + Auto Disabled Auto Auto [X.M.P.] When XMP is enabled BCLK frequency, CPU ratio and memory parameters will be auto...
... CPU Speed : xxxxMHz Displays the current CPU speed. Advanced Mode The Ai Tweaker menu items allow you installed on the CPU and DIMM model you to configure overclocking-related items. Exit Main Ai Tweaker Advanced Monitor Boot Tool Target CPU Speed: 2400MHz Target DRAM Speed: 1333MHz Ai Overclock Tuner Memory Frequency APU Multiplier EPU Power Saving Mode > DRAM Timing Control CPU Voltage CPU Offset Mode Sign CPU Offset Voltage 1.378V Auto + Offset Mode + Auto Disabled Auto Auto [X.M.P.] When XMP is enabled BCLK frequency, CPU ratio and memory parameters will be auto...
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... detects. Advanced Mode Exit Main Ai Tweaker Advanced Monitor Boot Tool > CPU Configuration > SATA Configuration > USB Configuration > NB Configuration > Onboard Devices Configuration > APM CPU Configuration Parameters →←: Select Screen ↑↓: Select Item Enter: Select +/-: Change Opt. EFI BIOS Utility - C6 Mode [Auto] Enables or disables C6 mode. CPU Configuration Limit CPUID Maximum [Disabled] [Enabled] Allows legacy operating systems to malfunction. Configuration options: [Auto] [Enabled] [Disabled] CPB Mode [Auto] Disables the CPB...
... detects. Advanced Mode Exit Main Ai Tweaker Advanced Monitor Boot Tool > CPU Configuration > SATA Configuration > USB Configuration > NB Configuration > Onboard Devices Configuration > APM CPU Configuration Parameters →←: Select Screen ↑↓: Select Item Enter: Select +/-: Change Opt. EFI BIOS Utility - C6 Mode [Auto] Enables or disables C6 mode. CPU Configuration Limit CPUID Maximum [Disabled] [Enabled] Allows legacy operating systems to malfunction. Configuration options: [Auto] [Enabled] [Disabled] CPB Mode [Auto] Disables the CPB...
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... options: [Enabled] [Disabled] 2-18 ASUS F1A55-M LX Series Configuration options: [Enabled] [Disabled] Enables or disables CPU virtualization. Configuration options: [Disabled] [Enabled] C-state Pmin [Enabled] When this option when using legacy operating systems. [UEFI DRIVER] Select this item is set to [RAID] or [AHCI]. Port 6 [AHCI] or [RAID] This item only appears when the previous item is set to [Enabled], the system's processor operates at the lowest power and operating state (C-state). Configuration options: [AHCI] / [RAID], [IDE] Board SATA RAID ROM [Legacy...
... options: [Enabled] [Disabled] 2-18 ASUS F1A55-M LX Series Configuration options: [Enabled] [Disabled] Enables or disables CPU virtualization. Configuration options: [Disabled] [Enabled] C-state Pmin [Enabled] When this option when using legacy operating systems. [UEFI DRIVER] Select this item is set to [RAID] or [AHCI]. Port 6 [AHCI] or [RAID] This item only appears when the previous item is set to [Enabled], the system's processor operates at the lowest power and operating state (C-state). Configuration options: [AHCI] / [RAID], [IDE] Board SATA RAID ROM [Legacy...
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...[384M] 2.5.5 [Enabled] [Disabled] Onboard Devices Configuration Enables the High Definition Audio Controller. Chapter 2: BIOS information 2-19 Allows the system to detect the presence of Internal Graphics Device will keep memory reserved. If detected, the USB controller legacy mode is disabled. Configuration options: [Auto] [Force] UMA Frame Buffer Size [Auto] This item appears only when you set the previous item to [Enabled]. HD Audio Device [Enabled] The following two items appear only when you set the front panel audio connector (AAFP) mode to legacy AC'97...
...[384M] 2.5.5 [Enabled] [Disabled] Onboard Devices Configuration Enables the High Definition Audio Controller. Chapter 2: BIOS information 2-19 Allows the system to detect the presence of Internal Graphics Device will keep memory reserved. If detected, the USB controller legacy mode is disabled. Configuration options: [Auto] [Force] UMA Frame Buffer Size [Auto] This item appears only when you set the previous item to [Enabled]. HD Audio Device [Enabled] The following two items appear only when you set the front panel audio connector (AAFP) mode to legacy AC'97...