F2A55-M LK User's Manual
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... means that you must press the enclosed key. + + Example: means that you must press two or more keys simultaneously, the key names are linked with a plus sign (+). Keys enclosed in this manual. Used to complete a task. DANGER/WARNING: Information to prevent injury to yourself when trying to emphasize a word or a phrase...
... means that you must press the enclosed key. + + Example: means that you must press two or more keys simultaneously, the key names are linked with a plus sign (+). Keys enclosed in this manual. Used to complete a task. DANGER/WARNING: Information to prevent injury to yourself when trying to emphasize a word or a phrase...
F2A55-M LK User's Manual
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... / 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 featuring friendly graphics user interface ASUS TurboV 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 LK PLUS only) 1 x PS/2 mouse port (green) 1 x PS...
... / 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 featuring friendly graphics user interface ASUS TurboV 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 LK PLUS only) 1 x PS/2 mouse port (green) 1 x PS...
F2A55-M LK User's Manual
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...(9.6in) VGA USB34 LAN_USB12 COM CHA_FAN AUDIO RTL 8111F Super I/O F2A55-M LK PLUS PCIEX16 PCIEX1_1 Lithium Cell CMOS Power PCIEX1_2 AMD® A55 SB_PWR SATA3G_4 SATA3G_3 SATA3G_2 ALC 887 SPDIF_OUT AAFP PCI1 LPT USB910 USB78 USBPW5-10 USB56 CLRTC 64Mb BIOS SATA3G_1 SPEAKER F_PANEL ASUS F2A55-M LK Series motherboard User Guide 2 x Serial ATA 3.0 Gb/s cables 1 x I/O Shield...
...(9.6in) VGA USB34 LAN_USB12 COM CHA_FAN AUDIO RTL 8111F Super I/O F2A55-M LK PLUS PCIEX16 PCIEX1_1 Lithium Cell CMOS Power PCIEX1_2 AMD® A55 SB_PWR SATA3G_4 SATA3G_3 SATA3G_2 ALC 887 SPDIF_OUT AAFP PCI1 LPT USB910 USB78 USBPW5-10 USB56 CLRTC 64Mb BIOS SATA3G_1 SPEAKER F_PANEL ASUS F2A55-M LK Series motherboard User Guide 2 x Serial ATA 3.0 Gb/s cables 1 x I/O Shield...
F2A55-M LK User's Manual
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Dual-Channel DDR3 2400(O.C.) / 2250(O.C.) / 2200(O.C.) / 2133(O.C.) / 2000(O. ASUS F2A55-M LK Series 1-1 This revolutionary APU (Accelerated Processing Unit) combines processing power and advanced DirectX 11 graphics in one small, energy...accelerated processor with an ACPI management function to provide efficient power management for advanced operating systems. 100% All High-quality Conductive Polymer Capacitors (F2A55-M LK PLUS only) This motherboard uses all high-quality conductive polymer capacitors for durability, improved lifespan, and enhanced thermal capacity. AMD® A55 FCH...
Dual-Channel DDR3 2400(O.C.) / 2250(O.C.) / 2200(O.C.) / 2133(O.C.) / 2000(O. ASUS F2A55-M LK Series 1-1 This revolutionary APU (Accelerated Processing Unit) combines processing power and advanced DirectX 11 graphics in one small, energy...accelerated processor with an ACPI management function to provide efficient power management for advanced operating systems. 100% All High-quality Conductive Polymer Capacitors (F2A55-M LK PLUS only) This motherboard uses all high-quality conductive polymer capacitors for durability, improved lifespan, and enhanced thermal capacity. AMD® A55 FCH...
F2A55-M LK User's Manual
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... with the component. • Before you should shut down the system and unplug the power cable before touching any motherboard component. SB_PWR F2A55-M LK PLUS ON OFF Standby Power Powered Off F2A55-M LK PLUS Onboard LED 1-4 Chapter 1: Product introduction Failure to do so may cause severe damage to avoid touching the ICs on them. • Whenever...
... with the component. • Before you should shut down the system and unplug the power cable before touching any motherboard component. SB_PWR F2A55-M LK PLUS ON OFF Standby Power Powered Off F2A55-M LK PLUS Onboard LED 1-4 Chapter 1: Product introduction Failure to do so may cause severe damage to avoid touching the ICs on them. • Whenever...
F2A55-M LK User's Manual
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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. 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. F2A55-M LK PLUS ASUS F2A55-M LK Series 1-5 The edge with external ports goes to the chassis. Doing so can damage the motherboard. DO NOT overtighten the screws!
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. 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. F2A55-M LK PLUS ASUS F2A55-M LK Series 1-5 The edge with external ports goes to the chassis. Doing so can damage the motherboard. DO NOT overtighten the screws!
F2A55-M LK User's Manual
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1.3.3 Motherboard layout F2A55-M LK Series motherboards include F2A55-M LK PLUS and F2A55-M LK models. The layout illustrations in this user guide are for F2A55-M LK PLUS only. 12 3 45 6 20.8cm(8.2in) KBMS ATX12V DIGI +VRM CPU_FAN DVI KBPWR USBPW1-4 SOCKET FM2 DDR3 DIMM_A1..., 240-pin module) EATXPWR SATA3G_5 SATA3G_6 24.4cm(9.6in) VGA 3 USB34 16 COM LAN_USB12 CHA_FAN 7 AUDIO 5 RTL 8111F Super I/O F2A55-M LK PLUS PCIEX16 PCIEX1_1 Lithium Cell CMOS Power PCIEX1_2 SB_PWR 8 AMD® A55 SATA3G_4 SATA3G_3 SATA3G_2 7 ALC 887 SPDIF_OUT AAFP PCI1 LPT USB910 USB78 ...
1.3.3 Motherboard layout F2A55-M LK Series motherboards include F2A55-M LK PLUS and F2A55-M LK models. The layout illustrations in this user guide are for F2A55-M LK PLUS only. 12 3 45 6 20.8cm(8.2in) KBMS ATX12V DIGI +VRM CPU_FAN DVI KBPWR USBPW1-4 SOCKET FM2 DDR3 DIMM_A1..., 240-pin module) EATXPWR SATA3G_5 SATA3G_6 24.4cm(9.6in) VGA 3 USB34 16 COM LAN_USB12 CHA_FAN 7 AUDIO 5 RTL 8111F Super I/O F2A55-M LK PLUS PCIEX16 PCIEX1_1 Lithium Cell CMOS Power PCIEX1_2 SB_PWR 8 AMD® A55 SATA3G_4 SATA3G_3 SATA3G_2 7 ALC 887 SPDIF_OUT AAFP PCI1 LPT USB910 USB78 ...
F2A55-M LK User's Manual
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... 1-4 1-26 1-26 1-20 1-28 1-25 1-27 1-27 1-28 1.4 Accelerated Processing Unit (APU) This motherboard comes with an FM2 socket designed for the FM2 socket. F2A55-M LK PLUS F2A55-M LK PLUS APU socket FM2 ASUS F2A55-M LK Series 1-7 SATA 3.0Gb/s connectors (7-pin SATA3G_1~6) 8. LPT connector (26-1 pin LPT) 14. CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN) 6. DO...
... 1-4 1-26 1-26 1-20 1-28 1-25 1-27 1-27 1-28 1.4 Accelerated Processing Unit (APU) This motherboard comes with an FM2 socket designed for the FM2 socket. F2A55-M LK PLUS F2A55-M LK PLUS APU socket FM2 ASUS F2A55-M LK Series 1-7 SATA 3.0Gb/s connectors (7-pin SATA3G_1~6) 8. LPT connector (26-1 pin LPT) 14. CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN) 6. DO...
F2A55-M LK 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. 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. The figure illustrates the location of the DDR3 DIMM sockets: DIMM_A1 DIMM_B1 F2A55-M LK PLUS Channel Channel A Channel B F2A55-M LK PLUS 240-pin DDR3 DIMM sockets Sockets DIMM_A1 DIMM_B1 ASUS F2A55-M LK Series 1-11
DDR3 modules are developed for better performance with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. 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. The figure illustrates the location of the DDR3 DIMM sockets: DIMM_A1 DIMM_B1 F2A55-M LK PLUS Channel Channel A Channel B F2A55-M LK PLUS 240-pin DDR3 DIMM sockets Sockets DIMM_A1 DIMM_B1 ASUS F2A55-M LK Series 1-11
F2A55-M LK User's Manual
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... key during the boot process and enter BIOS setup to pins 1-2. 3. The onboard button cell battery powers the RAM data in CMOS. F2A55-M LK PLUS CLRTC 12 23 Normal (Default) Clear RTC F2A55-M LK PLUS Clear RTC RAM To erase the RTC RAM: 1. Turn OFF the computer and unplug the power cord. 2. After clearing the CMOS...
... key during the boot process and enter BIOS setup to pins 1-2. 3. The onboard button cell battery powers the RAM data in CMOS. F2A55-M LK PLUS CLRTC 12 23 Normal (Default) Clear RTC F2A55-M LK PLUS Clear RTC RAM To erase the RTC RAM: 1. Turn OFF the computer and unplug the power cord. 2. After clearing the CMOS...
F2A55-M LK User's Manual
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...modes (no power to enable or disable the keyboard wake-up the computer by pressing a key on the keyboard. ASUS F2A55-M LK Series 1-21 KBPWR 12 23 F2A55-M LK PLUS +5V +5VSB (Default) F2A55-M LK PLUS Keyboard power setting 3. When you set this jumper to pins 2-3 (+5VSB), you to CPU, DRAM in slow...500mA on the +5VSB lead, and a corresponding setting in sleep mode. USBPW1-4 12 23 +5V +5VSB (Default) F2A55-M LK PLUS USBPW5-10 12 23 +5V +5VSB (Default) F2A55-M LK PLUS USB device wake-up • The USB device wake-up . • The total current consumed must NOT exceed the...
...modes (no power to enable or disable the keyboard wake-up the computer by pressing a key on the keyboard. ASUS F2A55-M LK Series 1-21 KBPWR 12 23 F2A55-M LK PLUS +5V +5VSB (Default) F2A55-M LK PLUS Keyboard power setting 3. When you set this jumper to pins 2-3 (+5VSB), you to CPU, DRAM in slow...500mA on the +5VSB lead, and a corresponding setting in sleep mode. USBPW1-4 12 23 +5V +5VSB (Default) F2A55-M LK PLUS USBPW5-10 12 23 +5V +5VSB (Default) F2A55-M LK PLUS USB device wake-up • The USB device wake-up . • The total current consumed must NOT exceed the...
F2A55-M LK User's Manual
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... for USB 2.0/1.1 devices. 7. ASUS F2A55-M LK Series 1-23 These two 4-pin Universal Serial Bus (USB) ports are for a VGA monitor or other VGA-compatible devices. 9. PS/2 Keyboard port (purple). USB 2.0 ports 3 and 4. DVI-D port. CPU_FAN CPU FAN PWM CPU FAN IN CPU FAN PWR GND F2A55-M LK PLUS CHA_FAN Rotation +12V GND F2A55-M LK PLUS Fan connectors DO NOT..., 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. 6.
... for USB 2.0/1.1 devices. 7. ASUS F2A55-M LK Series 1-23 These two 4-pin Universal Serial Bus (USB) ports are for a VGA monitor or other VGA-compatible devices. 9. PS/2 Keyboard port (purple). USB 2.0 ports 3 and 4. DVI-D port. CPU_FAN CPU FAN PWM CPU FAN IN CPU FAN PWR GND F2A55-M LK PLUS CHA_FAN Rotation +12V GND F2A55-M LK PLUS Fan connectors DO NOT..., 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. 6.
F2A55-M LK User's Manual
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...8226; DO NOT forget to connect the 4-pin ATX +12V power plug. ATX12V EATXPWR GND GND F2A55-M LK PLUS +3 Volts PIN 1 +12 Volts +12 Volts +5V Standby Power OK +12V DC +12V DC GND +5 ...Volts GND +5 Volts GND +3 Volts +3 Volts PIN 1 F2A55-M LK PLUS ATX power connectors GND +5 Volts +5 Volts +5 Volts -5 Volts GND GND GND PSON# GND -12 Volts +3 ...and 4-pin power plugs, ensure that the 20-pin power plug can provide at http://support.asus. The plugs from the power supply are uncertain about the minimum power supply requirement for your ...
...8226; DO NOT forget to connect the 4-pin ATX +12V power plug. ATX12V EATXPWR GND GND F2A55-M LK PLUS +3 Volts PIN 1 +12 Volts +12 Volts +5V Standby Power OK +12V DC +12V DC GND +5 ...Volts GND +5 Volts GND +3 Volts +3 Volts PIN 1 F2A55-M LK PLUS ATX power connectors GND +5 Volts +5 Volts +5 Volts -5 Volts GND GND GND PSON# GND -12 Volts +3 ...and 4-pin power plugs, ensure that the 20-pin power plug can provide at http://support.asus. The plugs from the power supply are uncertain about the minimum power supply requirement for your ...
F2A55-M LK User's Manual
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...RSATA_TXP5 GND GND RSATA_RXP3 RSATA_RXN3 GND RSATA_TXN3 RSATA_TXP3 GND SATA3G_2 GND RSATA_RXP2 RSATA_RXN2 GND RSATA_TXN2 RSATA_TXP2 GND F2A55-M LK PLUS SATA3G_1 GND RSATA_RXP1 RSATA_RXN1 GND RSATA_TXN1 RSATA_TXP1 GND F2A55-M LK PLUS SATA 3.0Gb/s connectors • These connectors are for the Serial ATA 3.0 Gb/s signal cables...AFD ERR# INIT# SLIN# GND GND GND GND GND GND GND GND F2A55-M LK PLUS LPT PIN 1 STB# PD0 PD1 PD2 PD3 PD4 PD5 PD6 PD7 ACK# BUSY PE SLCT F2A55-M LK PLUS LPT connector ASUS F2A55-M LK Series 1-25 Serial ATA 3.0 Gb/s connectors (7-pin SATA3G 1~6) These connectors ...
...RSATA_TXP5 GND GND RSATA_RXP3 RSATA_RXN3 GND RSATA_TXN3 RSATA_TXP3 GND SATA3G_2 GND RSATA_RXP2 RSATA_RXN2 GND RSATA_TXN2 RSATA_TXP2 GND F2A55-M LK PLUS SATA3G_1 GND RSATA_RXP1 RSATA_RXN1 GND RSATA_TXN1 RSATA_TXP1 GND F2A55-M LK PLUS SATA 3.0Gb/s connectors • These connectors are for the Serial ATA 3.0 Gb/s signal cables...AFD ERR# INIT# SLIN# GND GND GND GND GND GND GND GND F2A55-M LK PLUS LPT PIN 1 STB# PD0 PD1 PD2 PD3 PD4 PD5 PD6 PD7 ACK# BUSY PE SLCT F2A55-M LK PLUS LPT connector ASUS F2A55-M LK Series 1-25 Serial ATA 3.0 Gb/s connectors (7-pin SATA3G 1~6) These connectors ...
F2A55-M LK User's Manual
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System panel connector (10-1 pin PANEL) This connector supports several chassis-mounted functions. Ground Reset F2A55-M LK PLUS PIN 1 +HDLED RESET F2A55-M LK PLUS System panel connector • System power LED (2-pin PLED) This 2-pin connector is for the system power LED. ...mounted system warning speaker. Connect the chassis power LED cable to hear system beeps and warnings. +5V GND GND Speaker Out SPEAKER F2A55-M LK PLUS PIN 1 F2A55-M LK PLUS Speaker out connector 1-26 Chapter 1: Product introduction The speaker allows you turn on the system power, and blinks when the system...
System panel connector (10-1 pin PANEL) This connector supports several chassis-mounted functions. Ground Reset F2A55-M LK PLUS PIN 1 +HDLED RESET F2A55-M LK PLUS System panel connector • System power LED (2-pin PLED) This 2-pin connector is for the system power LED. ...mounted system warning speaker. Connect the chassis power LED cable to hear system beeps and warnings. +5V GND GND Speaker Out SPEAKER F2A55-M LK PLUS PIN 1 F2A55-M LK PLUS Speaker out connector 1-26 Chapter 1: Product introduction The speaker allows you turn on the system power, and blinks when the system...
F2A55-M LK User's Manual
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...panel audio I/O module cable to this connector, set the Front Panel Type item in the BIOS to this connector. ASUS F2A55-M LK Series 1-27 F2A55-M LK PLUS SPDIF_OUT F2A55-M LK PLUS Digital audio connector The S/PDIF module is for a chassis-mounted front panel audio I /O module is for an ... 1 MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L F2A55-M LK PLUS HD-audio-compliant Legacy AC'97 pin definition compliant definition F2A55-M LK PLUS Front panel audio connector • We recommend that supports either High Definition Audio or AC`97 ...
...panel audio I/O module cable to this connector, set the Front Panel Type item in the BIOS to this connector. ASUS F2A55-M LK Series 1-27 F2A55-M LK PLUS SPDIF_OUT F2A55-M LK PLUS Digital audio connector The S/PDIF module is for a chassis-mounted front panel audio I /O module is for an ... 1 MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L F2A55-M LK PLUS HD-audio-compliant Legacy AC'97 pin definition compliant definition F2A55-M LK PLUS Front panel audio connector • We recommend that supports either High Definition Audio or AC`97 ...
F2A55-M LK User's Manual
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...+ GND NC USB+5V USB_P8USB_P8+ GND NC USB+5V USB_P6USB_P6+ GND NC USB+5V USB_P9USB_P9+ GND USB+5V USB_P7USB_P7+ GND USB+5V USB_P5USB_P5+ GND F2A55-M LK PLUS PIN 1 PIN 1 PIN 1 F2A55-M LK PLUS USB2.0 connectors Never connect a 1394 cable to 480Mbps connection speed. These USB connectors comply with USB 2.0 specification that supports up to the USB..., then install the module to a slot opening at the back of the system chassis. COM RXD DTR DSR CTS PIN 1 DCD TXD GND RTS RI F2A55-M LK PLUS F2A55-M LK PLUS Serial port (COM) connector The COM module is purchased separately. 10. 9.
...+ GND NC USB+5V USB_P8USB_P8+ GND NC USB+5V USB_P6USB_P6+ GND NC USB+5V USB_P9USB_P9+ GND USB+5V USB_P7USB_P7+ GND USB+5V USB_P5USB_P5+ GND F2A55-M LK PLUS PIN 1 PIN 1 PIN 1 F2A55-M LK PLUS USB2.0 connectors Never connect a 1394 cable to 480Mbps connection speed. These USB connectors comply with USB 2.0 specification that supports up to the USB..., then install the module to a slot opening at the back of the system chassis. COM RXD DTR DSR CTS PIN 1 DCD TXD GND RTS RI F2A55-M LK PLUS F2A55-M LK PLUS Serial port (COM) connector The COM module is purchased separately. 10. 9.
F2A55-M LK User's Manual
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...information 2-3 Download the latest BIOS file from the ASUS website at www.asus.com. To ensure system compatibility and stability, we recommend that contains the BIOS file to the USB port. 3. The utility automatically checks the devices for F2A55-M LK PLUS). • The BIOS file in the support DVD... may not be the latest version. DO NOT shut down or reset the system while updating the BIOS! When found, the utility reads the BIOS file and enters ASUS EZ Flash 2 utility automatically...
...information 2-3 Download the latest BIOS file from the ASUS website at www.asus.com. To ensure system compatibility and stability, we recommend that contains the BIOS file to the USB port. 3. The utility automatically checks the devices for F2A55-M LK PLUS). • The BIOS file in the support DVD... may not be the latest version. DO NOT shut down or reset the system while updating the BIOS! When found, the utility reads the BIOS file and enters ASUS EZ Flash 2 utility automatically...
F2A55-M LK User's Manual
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... hard disk drives after updating BIOS. • Ensure to load the BIOS default settings to section 2.9 Exit menu for DOS V1.30 Current ROM BOARD: F2A55-M LK PLUS VER: 0301 DATE: 07/13/2012 Update ROM BOARD: Unknown VER: Unknown DATE: Unknown PATH: A:\ A: F2A55MKP.CAP 8390656 2012-07-13 17:30:48 Note...
... hard disk drives after updating BIOS. • Ensure to load the BIOS default settings to section 2.9 Exit menu for DOS V1.30 Current ROM BOARD: F2A55-M LK PLUS VER: 0301 DATE: 07/13/2012 Update ROM BOARD: Unknown VER: Unknown DATE: Unknown PATH: A:\ A: F2A55MKP.CAP 8390656 2012-07-13 17:30:48 Note...