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 (+). viii DANGER/WARNING: Information to prevent injury to yourself when trying to emphasize a word or a phrase. CAUTION: Information to prevent damage to the components...
... 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 (+). viii DANGER/WARNING: Information to prevent injury to yourself when trying to emphasize a word or a phrase. CAUTION: Information to prevent damage to the components...
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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... 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. ASUS F2A55-M LK Series 1-1 It features Dualchannel DDR3 memory support and accelerates data transfer rate up to meet the...
... 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. ASUS F2A55-M LK Series 1-1 It features Dualchannel DDR3 memory support and accelerates data transfer rate up to meet the...
F2A55-M LK User's Manual
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... touching the ICs on them due to static electricity. • Hold components by the edges to the motherboard, peripherals, or components. SB_PWR F2A55-M LK PLUS ON OFF Standby Power Powered Off F2A55-M LK PLUS Onboard LED 1-4 Chapter 1: Product introduction The illustration below shows the location of the following precautions before you install or remove any component...
... touching the ICs on them due to static electricity. • Hold components by the edges to the motherboard, peripherals, or components. SB_PWR F2A55-M LK PLUS ON OFF Standby Power Powered Off F2A55-M LK PLUS Onboard LED 1-4 Chapter 1: Product introduction The illustration below shows the location of the following precautions before you install or remove any component...
F2A55-M LK User's Manual
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Doing so can damage the motherboard. The edge with external ports goes to the rear part of the chassis. DO NOT overtighten the screws! F2A55-M LK PLUS ASUS F2A55-M LK Series 1-5 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 chassis.
Doing so can damage the motherboard. The edge with external ports goes to the rear part of the chassis. DO NOT overtighten the screws! F2A55-M LK PLUS ASUS F2A55-M LK Series 1-5 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 chassis.
F2A55-M LK User's Manual
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...) DDR3 DIMM_B1 (64bit, 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 USBPW5-10 USB56...64Mb BIOS SATA3G_1 SPEAKER F_PANEL 2 15 14 13 12 11 10 9 1-6 Chapter 1: Product introduction The package contents vary from models. 1.3.3 Motherboard layout F2A55-M LK Series motherboards include F2A55-M LK PLUS and F2A55-M LK models.
...) DDR3 DIMM_B1 (64bit, 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 USBPW5-10 USB56...64Mb BIOS SATA3G_1 SPEAKER F_PANEL 2 15 14 13 12 11 10 9 1-6 Chapter 1: Product introduction The package contents vary from models. 1.3.3 Motherboard layout F2A55-M LK Series motherboards include F2A55-M LK PLUS and F2A55-M LK models.
F2A55-M LK User's Manual
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AMD FM2 socket 5. SATA 3.0Gb/s connectors (7-pin SATA3G_1~6) 8. Front panel audio connector (10-1 pin AAFP) 16. F2A55-M LK PLUS F2A55-M LK PLUS APU socket FM2 ASUS F2A55-M LK Series 1-7 1.3.4 Layout contents Connectors/Jumpers/Slots/LED 1. Keyboard power (3-pin KBPWR) 2. System panel connector (10-1 pin F_PANEL) 10. LPT connector (26-1 pin LPT) 14. Ensure ...
AMD FM2 socket 5. SATA 3.0Gb/s connectors (7-pin SATA3G_1~6) 8. Front panel audio connector (10-1 pin AAFP) 16. F2A55-M LK PLUS F2A55-M LK PLUS APU socket FM2 ASUS F2A55-M LK Series 1-7 1.3.4 Layout contents Connectors/Jumpers/Slots/LED 1. Keyboard power (3-pin KBPWR) 2. System panel connector (10-1 pin F_PANEL) 10. LPT connector (26-1 pin LPT) 14. Ensure ...
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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... the computer and unplug the power cord. 2. 1.7 Jumpers 1. You can automatically reset parameter settings to clear the CMOS RTC RAM data. F2A55-M LK PLUS CLRTC 12 23 Normal (Default) Clear RTC F2A55-M LK PLUS Clear RTC RAM To erase the RTC RAM: 1. Plug the power cord and turn ON the computer. 4. For system failure due to...
... the computer and unplug the power cord. 2. 1.7 Jumpers 1. You can automatically reset parameter settings to clear the CMOS RTC RAM data. F2A55-M LK PLUS CLRTC 12 23 Normal (Default) Clear RTC F2A55-M LK PLUS Clear RTC RAM To erase the RTC RAM: 1. Plug the power cord and turn ON the computer. 4. For system failure due to...
F2A55-M LK User's Manual
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...normal condition or in low power mode) using the connected USB devices. 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 computer by pressing a key on the +5VSB ...up feature requires a power supply that can provide 500mA on the keyboard. KBPWR 12 23 F2A55-M LK PLUS +5V +5VSB (Default) F2A55-M LK PLUS Keyboard power setting 3. otherwise, the system would not power up feature. ASUS F2A55-M LK Series 1-21 When you set this jumper to pins 2-3 (+5VSB), you to CPU, DRAM...
...normal condition or in low power mode) using the connected USB devices. 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 computer by pressing a key on the +5VSB ...up feature requires a power supply that can provide 500mA on the keyboard. KBPWR 12 23 F2A55-M LK PLUS +5V +5VSB (Default) F2A55-M LK PLUS Keyboard power setting 3. otherwise, the system would not power up feature. ASUS F2A55-M LK Series 1-21 When you set this jumper to pins 2-3 (+5VSB), you to CPU, DRAM...
F2A55-M LK User's Manual
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.... 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 forget to connect the fan cables to CRT and isn't compatible with DVI-I. 10. ASUS F2A55-M LK Series 1-23 These are not jumpers! 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 support the ASUS Fan Xpert feature. ...
.... 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 forget to connect the fan cables to CRT and isn't compatible with DVI-I. 10. ASUS F2A55-M LK Series 1-23 These are not jumpers! 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 support the ASUS Fan Xpert feature. ...
F2A55-M LK User's Manual
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...8209;compliant power supply unit (PSU) with 20-pin and 4-pin power plugs, ensure that the 20-pin power plug can provide at http://support.asus. 2. This PSU type has 24-pin and 4-pin power plugs. • If you are uncertain about the minimum power supply requirement for your ... fit these connectors in only one orientation. Find the proper orientation and push down firmly until the connectors completely fit. 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 ...
...8209;compliant power supply unit (PSU) with 20-pin and 4-pin power plugs, ensure that the 20-pin power plug can provide at http://support.asus. 2. This PSU type has 24-pin and 4-pin power plugs. • If you are uncertain about the minimum power supply requirement for your ... fit these connectors in only one orientation. Find the proper orientation and push down firmly until the connectors completely fit. 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 ...
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 ... 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 LPT standardizes as a printer. The Serial ATA RAID feature is...
...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 ... 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 LPT standardizes as a printer. The Serial ATA RAID feature is...
F2A55-M LK User's Manual
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...8226; Hard disk drive activity LED (2-pin +IDELED) This 2-pin connector is for system reboot without turning off the system power. 6. 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 chassis-mounted system warning speaker. The IDE LED ... PLED+ PLEDPWR GND HD_LED+ HD_LED- Connect the HDD Activity 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
...8226; Hard disk drive activity LED (2-pin +IDELED) This 2-pin connector is for system reboot without turning off the system power. 6. 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 chassis-mounted system warning speaker. The IDE LED ... PLED+ PLEDPWR GND HD_LED+ HD_LED- Connect the HDD Activity 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
F2A55-M LK User's Manual
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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 cable to this connector, set the Front Panel Type item in ... this connector. ASUS F2A55-M LK Series 1-27 Front panel audio connector (10-1 pin AAFP) This connector is purchased separately. AGND NC SENSE1_RETUR SENSE2_RETUR AGND NC NC NC AAFP PIN 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...
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 cable to this connector, set the Front Panel Type item in ... this connector. ASUS F2A55-M LK Series 1-27 Front panel audio connector (10-1 pin AAFP) This connector is purchased separately. AGND NC SENSE1_RETUR SENSE2_RETUR AGND NC NC NC AAFP PIN 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...
F2A55-M LK User's Manual
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... 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. Serial port connector (10-1 pin COM) This connector ...the USB connectors. The USB 2.0 module is for USB 2.0 ports. 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. 1-28 Chapter 1: Product introduction 9. USB 2.0 connectors (10-1 pin USB56,...
... 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. Serial port connector (10-1 pin COM) This connector ...the USB connectors. The USB 2.0 module is for USB 2.0 ports. 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. 1-28 Chapter 1: Product introduction 9. USB 2.0 connectors (10-1 pin USB56,...
F2A55-M LK User's Manual
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... failure! Turn on the system. 2. The utility automatically checks the devices for F2A55-M LK PLUS). • The BIOS file in the support DVD may not be the latest... file in the removable device into F2A55MLK.CAP (for F2A55-M LK) or F2A55MKP.CAP (for the BIOS file. Download the latest BIOS file from the ASUS website at www.asus.com. DO NOT shut down or reset the system ...updating the BIOS! Chapter 2: BIOS information 2-3 When found, the utility reads the BIOS file and enters ASUS EZ Flash 2 utility automatically. 4. Insert the support DVD to the optical drive or the USB flash ...
... failure! Turn on the system. 2. The utility automatically checks the devices for F2A55-M LK PLUS). • The BIOS file in the support DVD may not be the latest... file in the removable device into F2A55MLK.CAP (for F2A55-M LK) or F2A55MKP.CAP (for the BIOS file. Download the latest BIOS file from the ASUS website at www.asus.com. DO NOT shut down or reset the system ...updating the BIOS! Chapter 2: BIOS information 2-3 When found, the utility reads the BIOS file and enters ASUS EZ Flash 2 utility automatically. 4. Insert the support DVD to the optical drive or the USB flash ...
F2A55-M LK User's Manual
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... Updater 1. Select the Load Optimized Defaults item under the Exit menu. D:\>bupdater /pc /g 2. Refer 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...
... Updater 1. Select the Load Optimized Defaults item under the Exit menu. D:\>bupdater /pc /g 2. Refer 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...