F2A55-M LK2 User's Manual
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... Internal I/O connectors / buttons / switches BIOS Support DVD Form factor ASUS DIGI+ VRM ASUS 3+2 Phase Power Design Network iControl ASUS EPU ASUS AI Suite II ASUS UEFI BIOS EZ Mode ASUS Anti-Surge Protection ASUS Fan Xpert ASUS CrashFree BIOS 3 ASUS EZ Flash 2 ASUS MyLogo 2™ 100% All high quality conductive polymer (F2A55-M LK2 PLUS only) 1 x PS/2 mouse port (green) 1 x PS/2 keyboard port (purple...
... Internal I/O connectors / buttons / switches BIOS Support DVD Form factor ASUS DIGI+ VRM ASUS 3+2 Phase Power Design Network iControl ASUS EPU ASUS AI Suite II ASUS UEFI BIOS EZ Mode ASUS Anti-Surge Protection ASUS Fan Xpert ASUS CrashFree BIOS 3 ASUS EZ Flash 2 ASUS MyLogo 2™ 100% All high quality conductive polymer (F2A55-M LK2 PLUS only) 1 x PS/2 mouse port (green) 1 x PS/2 keyboard port (purple...
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 The package contents vary from models. • If any of the above items is...
... 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 The package contents vary from models. • If any of the above items is...
F2A55-M LK2 User's Manual
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...inappropriate connection, which means there will be no more confusion of Line-in one small, energy-efficient design to 5GT/s. ASUS F2A55-M LK2 Series 1-1 Product introduction 1 1.1 Special features 1.1.1 Product highlights AMD® A-series accelerated processors with AMD® Radeon...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....
...inappropriate connection, which means there will be no more confusion of Line-in one small, energy-efficient design to 5GT/s. ASUS F2A55-M LK2 Series 1-1 Product introduction 1 1.1 Special features 1.1.1 Product highlights AMD® A-series accelerated processors with AMD® Radeon...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....
F2A55-M LK2 User's Manual
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1.3 Motherboard overview 1.3.1 Placement direction When installing the motherboard, ensure that you place it into the chassis in the image below. 1.3.2 Screw holes Place six screws into the holes indicated by circles to secure the motherboard to the rear part of the chassis. Place this side towards the rear of the chassis as indicated in the correct orientation. Doing so can damage the motherboard. F2A55-M LK2 PLUS ASUS F2A55-M LK2 Series 1-5 The edge with external ports goes to the chassis. DO NOT overtighten the screws!
1.3 Motherboard overview 1.3.1 Placement direction When installing the motherboard, ensure that you place it into the chassis in the image below. 1.3.2 Screw holes Place six screws into the holes indicated by circles to secure the motherboard to the rear part of the chassis. Place this side towards the rear of the chassis as indicated in the correct orientation. Doing so can damage the motherboard. F2A55-M LK2 PLUS ASUS F2A55-M LK2 Series 1-5 The edge with external ports goes to the chassis. DO NOT overtighten the screws!
F2A55-M LK2 User's Manual
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... use a APU designed for AMD® A-series accelerated processors with AMD® Radeon™ HD 7000 series graphics. 1.3.4 Layout contents Connectors/Jumpers/Slots/LED 1. F2A55-M LK2 PLUS F2A55-M LK2 PLUS CPU socket FM2 ASUS F2A55-M LK2 Series 1-7 Digital audio connector (4-1 pin SPDIF_OUT) 13. DDR3 DIMM slots 6. Chassis fan connector (3-pin CHA_FAN) 16. Keyboard power (3-pin KBPWR) 2. ATX power connectors...
... use a APU designed for AMD® A-series accelerated processors with AMD® Radeon™ HD 7000 series graphics. 1.3.4 Layout contents Connectors/Jumpers/Slots/LED 1. F2A55-M LK2 PLUS F2A55-M LK2 PLUS CPU socket FM2 ASUS F2A55-M LK2 Series 1-7 Digital audio connector (4-1 pin SPDIF_OUT) 13. DDR3 DIMM slots 6. Chassis fan connector (3-pin CHA_FAN) 16. Keyboard power (3-pin KBPWR) 2. ATX power connectors...
F2A55-M LK2 User's Manual
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DDR3 modules are developed for better performance with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. 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. A DDR3 module has the same physical dimensions as a DDR2 DIMM but is notched differently to prevent installation on a DDR2 DIMM socket.
DDR3 modules are developed for better performance with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. 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. A DDR3 module has the same physical dimensions as a DDR2 DIMM but is notched differently to prevent installation on a DDR2 DIMM socket.
F2A55-M LK2 User's Manual
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F2A55-M LK2 PLUS CLRTC 12 23 Normal (Default) Clear RTC F2A55-M LK2 PLUS Clear RTC RAM To erase the RTC RAM: 1. Move the jumper cap from pins 1-2 (default) to overclocking, use the CPU Parameter Recall (C.P.R) feature. Plug the ... CMOS, reinstall the battery. • You do not help, remove the onboard battery and move the cap back to clear the CMOS RTC RAM data. ASUS F2A55-M LK2 Series 1-19 You can automatically reset parameter settings to overclocking. The onboard button cell battery powers the RAM data in CMOS. 1.7 Jumpers 1. Hold down and...
F2A55-M LK2 PLUS CLRTC 12 23 Normal (Default) Clear RTC F2A55-M LK2 PLUS Clear RTC RAM To erase the RTC RAM: 1. Move the jumper cap from pins 1-2 (default) to overclocking, use the CPU Parameter Recall (C.P.R) feature. Plug the ... CMOS, reinstall the battery. • You do not help, remove the onboard battery and move the cap back to clear the CMOS RTC RAM data. ASUS F2A55-M LK2 Series 1-19 You can automatically reset parameter settings to overclocking. The onboard button cell battery powers the RAM data in CMOS. 1.7 Jumpers 1. Hold down and...
F2A55-M LK2 User's Manual
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...; The CPU_FAN connector supports a CPU fan of the connector. USB 2.0 ports 1 and 2. CPU_FAN CPU FAN PWM CPU FAN IN CPU FAN PWR GND F2A55-M LK2 PLUS CHA_FAN Rotation +12V GND F2A55-M LK2 PLUS Fan connectors DO NOT forget to connect the fan cables to the fan connectors. 6. These two 4-pin Universal Serial Bus (USB) ports are..., ensuring that the black wire of each cable matches the ground pin of maximum 2A (24 W) fan power. • Only the CPU_FAN connector support the ASUS Fan Xpert feature. 1-22 Chapter 1: Product introduction
...; The CPU_FAN connector supports a CPU fan of the connector. USB 2.0 ports 1 and 2. CPU_FAN CPU FAN PWM CPU FAN IN CPU FAN PWR GND F2A55-M LK2 PLUS CHA_FAN Rotation +12V GND F2A55-M LK2 PLUS Fan connectors DO NOT forget to connect the fan cables to the fan connectors. 6. These two 4-pin Universal Serial Bus (USB) ports are..., ensuring that the black wire of each cable matches the ground pin of maximum 2A (24 W) fan power. • Only the CPU_FAN connector support the ASUS Fan Xpert feature. 1-22 Chapter 1: Product introduction
F2A55-M LK2 User's Manual
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... 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 uncertain about the minimum power supply requirement for your system, refer to the Recommended Power Supply... may not boot up . • We recommend that the 20-pin power plug can provide at http://support.asus. The plugs from the power supply are for details. ASUS F2A55-M LK2 Series 1-23 2. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) These connectors are designed to use a...
... 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 uncertain about the minimum power supply requirement for your system, refer to the Recommended Power Supply... may not boot up . • We recommend that the 20-pin power plug can provide at http://support.asus. The plugs from the power supply are for details. ASUS F2A55-M LK2 Series 1-23 2. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) These connectors are designed to use a...
F2A55-M LK2 User's Manual
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... button (2-pin RESET) This 2-pin connector is for the chassis-mounted system warning speaker. 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 The speaker allows you turn on the system power, and blinks when the system is...is for the chassis-mounted reset button for the system power LED. Ground Reset 4. 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 HDD Activity LED. PLED+ ...
... button (2-pin RESET) This 2-pin connector is for the chassis-mounted system warning speaker. 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 The speaker allows you turn on the system power, and blinks when the system is...is for the chassis-mounted reset button for the system power LED. Ground Reset 4. 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 HDD Activity LED. PLED+ ...
F2A55-M LK2 User's Manual
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... the motherboard! ASUS F2A55-M LK2 Series 1-27 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 480Mbps connection speed. COM1 CTS DSR DTR RXD RI PIN 1 RTS GND TXD DCD F2A55-M LK2 PLUS F2A55-M LK2 PLUS Serial port (COM1...
... the motherboard! ASUS F2A55-M LK2 Series 1-27 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 480Mbps connection speed. COM1 CTS DSR DTR RXD RI PIN 1 RTS GND TXD DCD F2A55-M LK2 PLUS F2A55-M LK2 PLUS Serial port (COM1...
F2A55-M LK2 User's Manual
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... Before using this utility, rename the BIOS file in the removable device into F2A5MLK2.CAP (for F2A55-M LK2) or F2A5MK2P.CAP (for the BIOS file. The utility automatically checks the devices for F2A55-M LK2 PLUS). • The BIOS file in the support DVD may not be the latest version. The ...system requires you to enter BIOS Setup to restore the BIOS file when it fails or gets corrupted during the updating process. 2.1.3 ASUS CrashFree BIOS 3 utility The ASUS CrashFree BIOS ...
... Before using this utility, rename the BIOS file in the removable device into F2A5MLK2.CAP (for F2A55-M LK2) or F2A5MK2P.CAP (for the BIOS file. The utility automatically checks the devices for F2A55-M LK2 PLUS). • The BIOS file in the support DVD may not be the latest version. The ...system requires you to enter BIOS Setup to restore the BIOS file when it fails or gets corrupted during the updating process. 2.1.3 ASUS CrashFree BIOS 3 utility The ASUS CrashFree BIOS ...
F2A55-M LK2 User's Manual
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...Part 2 Section 2. 1077(a) Responsible Party Name: Asus Computer International Address: 800 Corporate Way, Fremont, CA 94539. TAIWAN ASUS COMPUTER GmbH HARKORT STR. 21-23, 40880 RATINGEN GERMANY Product name : Motherboard Model name : F2A55-M LK2 PLUS, F2A55-M LK2 conform with part 15 of the FCC Rules. Representative..., and (2) this device must accept any interference received, including interference that the product Product Name :Motherboard Model Number :F2A55-M LK2 PLUS, F2A55-M LK2 Conforms to the following apparatus: ASUSTeK COMPUTER INC. 4F, No. 150, LI-TE Rd., PEITOU, TAIPEI 112,...
...Part 2 Section 2. 1077(a) Responsible Party Name: Asus Computer International Address: 800 Corporate Way, Fremont, CA 94539. TAIWAN ASUS COMPUTER GmbH HARKORT STR. 21-23, 40880 RATINGEN GERMANY Product name : Motherboard Model name : F2A55-M LK2 PLUS, F2A55-M LK2 conform with part 15 of the FCC Rules. Representative..., and (2) this device must accept any interference received, including interference that the product Product Name :Motherboard Model Number :F2A55-M LK2 PLUS, F2A55-M LK2 Conforms to the following apparatus: ASUSTeK COMPUTER INC. 4F, No. 150, LI-TE Rd., PEITOU, TAIPEI 112,...