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... high-quality conductive polymer conductors (F1A55-M LX PLUS only) Precision Tweaker 2 - vCore: Adjustable CPU voltage at 0.01V increment SFS (Stepless Frequency Selection): - 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 the back panel) ASUS Unique Technology - ASUS EPU - Protect 3.0 (F1A55-M LX PLUS only) ASUS Power Design -
... high-quality conductive polymer conductors (F1A55-M LX PLUS only) Precision Tweaker 2 - vCore: Adjustable CPU voltage at 0.01V increment SFS (Stepless Frequency Selection): - 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 the back panel) ASUS Unique Technology - ASUS EPU - Protect 3.0 (F1A55-M LX PLUS only) ASUS Power Design -
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...contact your motherboard package for the following items. Motherboard Cables Accessories Application DVD Documentations • F1A55-M LX Series motherboards include F1A55-M LX PLUS and F1A55-M LX two models. ASUS F1A55-M LX Series 1-1 Chapter 1 1.1 Welcome! Product introduction Thank you start installing the motherboard, and ...8482; HD 6000 series graphics This motherboard supports AMD® A- & E2- Before you for F1A55-M LX PLUS only. • If any of ASUS quality motherboards! It features Dual-channel DDR3 memory support and accelerates data transfer rate up to enable...
...contact your motherboard package for the following items. Motherboard Cables Accessories Application DVD Documentations • F1A55-M LX Series motherboards include F1A55-M LX PLUS and F1A55-M LX two models. ASUS F1A55-M LX Series 1-1 Chapter 1 1.1 Welcome! Product introduction Thank you start installing the motherboard, and ...8482; HD 6000 series graphics This motherboard supports AMD® A- & E2- Before you for F1A55-M LX PLUS only. • If any of ASUS quality motherboards! It features Dual-channel DDR3 memory support and accelerates data transfer rate up to enable...
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...including detailed DRAM information. Quick and simple overclocking and setup sharing is for durability, improved lifespan, and enhanced thermal capacity. 1.3.2 ASUS Exclusive Features Ai Charger Ai Charger is designed to support up to 5GT/s interface and PCI Express 2.0 x 16 (at x4...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 all high-quality conductive polymer capacitors for experienced performance enthusiasts that demand far more flexible and convenient...
...including detailed DRAM information. Quick and simple overclocking and setup sharing is for durability, improved lifespan, and enhanced thermal capacity. 1.3.2 ASUS Exclusive Features Ai Charger Ai Charger is designed to support up to 5GT/s interface and PCI Express 2.0 x 16 (at x4...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 all high-quality conductive polymer capacitors for experienced performance enthusiasts that demand far more flexible and convenient...
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... the bag that came with a standby power LED that the system is ON, in sleep mode, or in any motherboard component. SB_PWR F1A55-M LX PLUS ON Standby Power OFF Powered Off F1A55-M LX PLUS Onboard LED 1-4 Chapter 1: Product introduction The illustration below shows the location of the following precautions before you install motherboard components or change...
... the bag that came with a standby power LED that the system is ON, in sleep mode, or in any motherboard component. SB_PWR F1A55-M LX PLUS ON Standby Power OFF Powered Off F1A55-M LX PLUS Onboard LED 1-4 Chapter 1: Product introduction The illustration below shows the location of the following precautions before you install motherboard components or change...
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The edge with external ports goes to the chassis. Screw holes Place this side towards the rear of the chassis as indicated in the correct orientation. F1A55-M LX PLUS ASUS F1A55-M LX Series 1-5 DO NOT overtighten the screws! Doing so can damage the motherboard. 1.5 1.5.1 Motherboard overview Placement direction When installing the motherboard, ensure that you place it into the chassis in the image below. 1.5.2 Place six screws into the holes indicated by circles to secure the motherboard to the rear part of the chassis.
The edge with external ports goes to the chassis. Screw holes Place this side towards the rear of the chassis as indicated in the correct orientation. F1A55-M LX PLUS ASUS F1A55-M LX Series 1-5 DO NOT overtighten the screws! Doing so can damage the motherboard. 1.5 1.5.1 Motherboard overview Placement direction When installing the motherboard, ensure that you place it into the chassis in the image below. 1.5.2 Place six screws into the holes indicated by circles to secure the motherboard to the rear part of the chassis.
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... DIMM_A1 (64bit, 240-pin module) DDR3 DIMM_B1 (64bit, 240-pin module) LPT SOCKET FM1 VGA 3 24.4cm(9.6in) EATXPWR SATA3G_6 LAN1_USB12 USBPW1-6 USB34 CHA_FAN AUDIO F1A55-M LX PLUS PCIEX16_1 RTL 8111E 14 SATA3G_5 7 SB_PWR PCIEX1_1 Lithium Cell CMOS Power CLRTC SATA3G_4 8 Super I/O PCI1 AMD® A55 SATA3G_3 SATA3G_2 7 ALC 887 PCIEX16_2 USBPW7-12...
... DIMM_A1 (64bit, 240-pin module) DDR3 DIMM_B1 (64bit, 240-pin module) LPT SOCKET FM1 VGA 3 24.4cm(9.6in) EATXPWR SATA3G_6 LAN1_USB12 USBPW1-6 USB34 CHA_FAN AUDIO F1A55-M LX PLUS PCIEX16_1 RTL 8111E 14 SATA3G_5 7 SB_PWR PCIEX1_1 Lithium Cell CMOS Power CLRTC SATA3G_4 8 Super I/O PCI1 AMD® A55 SATA3G_3 SATA3G_2 7 ALC 887 PCIEX16_2 USBPW7-12...
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... the APU corner with the gold triangle matches the socket corner with AMD® Radeon™ HD 6000 series graphics. Small triangle Gold triangle ASUS F1A55-M LX Series 1-7 DO NOT force the APU into the socket to a 90°-100° angle. Socket lever Ensure that you use a APU... prevent bending the pins and damaging the APU! Press the lever sideways to unlock the socket, then lift it fits in one correct orientation. F1A55-M LX PLUS F1A55-M LX PLUS CPU socket FM1 2. DO NOT force the APU into the socket to a 90°-100° angle; otherwise, the APU will not ...
... the APU corner with the gold triangle matches the socket corner with AMD® Radeon™ HD 6000 series graphics. Small triangle Gold triangle ASUS F1A55-M LX Series 1-7 DO NOT force the APU into the socket to a 90°-100° angle. Socket lever Ensure that you use a APU... prevent bending the pins and damaging the APU! Press the lever sideways to unlock the socket, then lift it fits in one correct orientation. F1A55-M LX PLUS F1A55-M LX PLUS CPU socket FM1 2. DO NOT force the APU into the socket to a 90°-100° angle; otherwise, the APU will not ...
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5. 6. You can occur if you fail to secure the APU. F1A55-M LX PLUS F1A55-M LX PLUS CPU fan connector DO NOT forget to the CPU_FAN connector on the side tab to section 1.6.2 Installing heatsink and fan for instructions. Install a APU heatsink ...
5. 6. You can occur if you fail to secure the APU. F1A55-M LX PLUS F1A55-M LX PLUS CPU fan connector DO NOT forget to the CPU_FAN connector on the side tab to section 1.6.2 Installing heatsink and fan for instructions. Install a APU heatsink ...
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... consumption. DO NOT forget to the module base. Align the other end of the DDR3 DIMM sockets: DIMM_A1 DIMM_B1 Channel Channel A Channel B Sockets DIMM_A1 DIMM_B1 F1A55-M LX PLUS F1A55-M LX PLUS 240-pin DDR3 DIMM sockets 1-10 Chapter 1: Product introduction Push down the retention bracket lock on the retention mechanism to secure the heatsink and fan...
... consumption. DO NOT forget to the module base. Align the other end of the DDR3 DIMM sockets: DIMM_A1 DIMM_B1 Channel Channel A Channel B Sockets DIMM_A1 DIMM_B1 F1A55-M LX PLUS F1A55-M LX PLUS 240-pin DDR3 DIMM sockets 1-10 Chapter 1: Product introduction Push down the retention bracket lock on the retention mechanism to secure the heatsink and fan...
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Clear RTC RAM (CLRTC) Jumpers CLRTC F1A55-M LX PLUS 1 2 2 3 Normal (Default) Clear RTC F1A55-M LX PLUS Clear RTC RAM To erase the RTC RAM: 1. Except when clearing the RTC RAM, never remove the cap on pins 2-3 for about 5~10 seconds, then ...
Clear RTC RAM (CLRTC) Jumpers CLRTC F1A55-M LX PLUS 1 2 2 3 Normal (Default) Clear RTC F1A55-M LX PLUS Clear RTC RAM To erase the RTC RAM: 1. Except when clearing the RTC RAM, never remove the cap on pins 2-3 for about 5~10 seconds, then ...
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... in reduced power mode). 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 feature. ASUS F1A55-M LX Series 1-19 This feature requires an ATX power supply that can provide 500mA on the +5VSB lead...
... in reduced power mode). 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 feature. ASUS F1A55-M LX Series 1-19 This feature requires an ATX power supply that can provide 500mA on the +5VSB lead...
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...USB USB 2.0/1.1 devices. This port is for pointing devices or other VGA-compatible devices. These are for better thermal environment. ASUS F1A55-M LX Series CPU FAN PWM CPU FAN IN CPU FAN PWR GND 1-21 This 15-pin port is for a VGA monitor or ... Bus (USB) ports are not jumpers! 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 3 and 4. ...
...USB USB 2.0/1.1 devices. This port is for pointing devices or other VGA-compatible devices. These are for better thermal environment. ASUS F1A55-M LX Series CPU FAN PWM CPU FAN IN CPU FAN PWR GND 1-21 This 15-pin port is for a VGA monitor or ... Bus (USB) ports are not jumpers! 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 3 and 4. ...
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... A on +12 V and that the 20-pin power plug can provide at http://support.asus. This 4-pin connector is for details. 1-22 GND GND Chapter 1: Product introduction Speaker connector (4-pin SPEAKER) SPEAKER +5V GND GND Speaker Out PIN 1 F1A55-M LX PLUS F1A55-M LX PLUS Speaker connector 3. 2. com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for the chassis-mounted...
... A on +12 V and that the 20-pin power plug can provide at http://support.asus. This 4-pin connector is for details. 1-22 GND GND Chapter 1: Product introduction Speaker connector (4-pin SPEAKER) SPEAKER +5V GND GND Speaker Out PIN 1 F1A55-M LX PLUS F1A55-M LX PLUS Speaker connector 3. 2. com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for the chassis-mounted...
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... hot-plug and NCQ, set the type of the SATA connectors in the BIOS to IDE mode by default. ASUS F1A55-M LX Series GND RSATA_TXP1 RSATA_TXN1 GND RSATA_RXN1 RSATA_RXP1 GND GND RSATA_TXP2 RSATA_TXN2 GND RSATA_RXN2 RSATA_RXP2 GND GND RSATA_TXP3 RSATA_TXN3 GND RSATA_RXN3... GND RSATA_RXN6 RSATA_RXP6 GND Serial ATA 3.0 Gb/s connectors (7-pin SATA3G_1~6) SATA3G_3 SATA3G_5 GND RSATA_TXP5 RSATA_TXN5 GND RSATA_RXN5 RSATA_RXP5 GND F1A55-M LX PLUS F1A55-M LX PLUS SATA 3.0Gb/s connectors • These connectors are for the Serial ATA 3.0 Gb/s signal cables for details. These connectors...
... hot-plug and NCQ, set the type of the SATA connectors in the BIOS to IDE mode by default. ASUS F1A55-M LX Series GND RSATA_TXP1 RSATA_TXN1 GND RSATA_RXN1 RSATA_RXP1 GND GND RSATA_TXP2 RSATA_TXN2 GND RSATA_RXN2 RSATA_RXP2 GND GND RSATA_TXP3 RSATA_TXN3 GND RSATA_RXN3... GND RSATA_RXN6 RSATA_RXP6 GND Serial ATA 3.0 Gb/s connectors (7-pin SATA3G_1~6) SATA3G_3 SATA3G_5 GND RSATA_TXP5 RSATA_TXN5 GND RSATA_RXN5 RSATA_RXP5 GND F1A55-M LX PLUS F1A55-M LX PLUS SATA 3.0Gb/s connectors • These connectors are for the Serial ATA 3.0 Gb/s signal cables for details. These connectors...
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PLED PWRBTN System panel connector (10-1 pin F_PANEL) F_PANEL F1A55-M LX PLUS PIN 1 +HDLED F1A55-M LX PLUS System panel connector • System power LED (2-pin PLED) • This 2-pin connector is for the HDD Activity LED. ATX power button/soft-off the ...
PLED PWRBTN System panel connector (10-1 pin F_PANEL) F_PANEL F1A55-M LX PLUS PIN 1 +HDLED F1A55-M LX PLUS System panel connector • System power LED (2-pin PLED) • This 2-pin connector is for the HDD Activity LED. ATX power button/soft-off the ...
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... is Realtek High Definition Audio (the name may be different based on the OS). Digital audio connector (4-1 pin SPDIF_OUT) F1A55-M LX PLUS SPDIF_OUT F1A55-M LX PLUS Digital audio connector Ensure that the audio device of Sound playback is for an additional Sony/Philips Digital Interface (S/PDIF) port...to avail of the front panel audio I/O module cable to this connector, set the Front Panel Type item in the BIOS to [HD]. ASUS F1A55-M LX Series MIC2 MICPWR Line out_R NC Line out_L NC 1-25 See section 2.5.5 Onboard Devices Configuration for a chassis-mounted front panel audio I ...
... is Realtek High Definition Audio (the name may be different based on the OS). Digital audio connector (4-1 pin SPDIF_OUT) F1A55-M LX PLUS SPDIF_OUT F1A55-M LX PLUS Digital audio connector Ensure that the audio device of Sound playback is for an additional Sony/Philips Digital Interface (S/PDIF) port...to avail of the front panel audio I/O module cable to this connector, set the Front Panel Type item in the BIOS to [HD]. ASUS F1A55-M LX Series MIC2 MICPWR Line out_R NC Line out_L NC 1-25 See section 2.5.5 Onboard Devices Configuration for a chassis-mounted front panel audio I ...
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...) USB1112 USB+5V USB_P12USB_P12+ GND NC USB910 USB+5V USB_P10USB_P10+ GND NC USB78 USB+5V USB_P8USB_P8+ GND NC USB+5V USB_P7USB_P7+ GND PIN 1 F1A55-M LX PLUS USB+5V USB_P11USB_P11+ GND F1A55-M LX PLUS USB2.0 connectors Never connect a 1394 cable to 480Mbps connection speed. The USB 2.0 module is purchased separately. 1-26 USB+5V USB_P9USB_P9+ GND PIN 1 PIN...
...) USB1112 USB+5V USB_P12USB_P12+ GND NC USB910 USB+5V USB_P10USB_P10+ GND NC USB78 USB+5V USB_P8USB_P8+ GND NC USB+5V USB_P7USB_P7+ GND PIN 1 F1A55-M LX PLUS USB+5V USB_P11USB_P11+ GND F1A55-M LX PLUS USB2.0 connectors Never connect a 1394 cable to 480Mbps connection speed. The USB 2.0 module is purchased separately. 1-26 USB+5V USB_P9USB_P9+ GND PIN 1 PIN...
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...: 08/03/11 [Enter] Select or Load [Tab] Switch [Up/Down/PageUp/PageDown/Home/End] Move [Esc] Exit [F2] Backup 2-2 ASUS F1A55-M LX Series b. Exit ASUS EZ Flash 2 Utility V01.02 Flash Info MODEL: F1A55-M LX PLUS File Path: fs0:\ Drive fs0:\ Folder Info 08/03/11 02:27p 4194304 F1A55MLP.ROM VER: 0202 DATE: 08/03...
...: 08/03/11 [Enter] Select or Load [Tab] Switch [Up/Down/PageUp/PageDown/Home/End] Move [Esc] Exit [F2] Backup 2-2 ASUS F1A55-M LX Series b. Exit ASUS EZ Flash 2 Utility V01.02 Flash Info MODEL: F1A55-M LX PLUS File Path: fs0:\ Drive fs0:\ Folder Info 08/03/11 02:27p 4194304 F1A55MLP.ROM VER: 0202 DATE: 08/03...
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...only. Press to switch to perform the BIOS update process. Download the latest BIOS file from the ASUS website at www.asus.com. Chapter 2: BIOS information 2-3 The utility automatically checks the devices for F1A55-M LX PLUS). Recovering the BIOS To recover the BIOS: 1. 2. 3. 4. DO NOT shut down or reset...NOT shut down or reset the system while updating the BIOS! Turn on the system. ASUS CrashFree BIOS 3 utility • The BIOS file in the removable device into F1A55MLX.ROM(for F1A55-M LX) or F1A55MLP.ROM(for the BIOS file. Press the Up/Down arrow keys to find...
...only. Press to switch to perform the BIOS update process. Download the latest BIOS file from the ASUS website at www.asus.com. Chapter 2: BIOS information 2-3 The utility automatically checks the devices for F1A55-M LX PLUS). Recovering the BIOS To recover the BIOS: 1. 2. 3. 4. DO NOT shut down or reset...NOT shut down or reset the system while updating the BIOS! Turn on the system. ASUS CrashFree BIOS 3 utility • The BIOS file in the removable device into F1A55MLX.ROM(for F1A55-M LX) or F1A55MLP.ROM(for the BIOS file. Press the Up/Down arrow keys to find...