F2A55-M LK User's Manual
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Contents Safety information...vi About this guide...vii F2A55-M LK Series specifications summary ix Package contents...xi Chapter 1: Product introduction 1.1 Special features 1-1 1.1.1 Product highlights 1-1 1.1.2 ASUS DIGI+ VRM 1-2 1.1.3 ASUS Exclusive Features 1-2 1.2 Before you proceed 1-4 1.3 Motherboard overview 1-5 1.3.1 Placement direction 1-5 1.3.2 Screw holes 1-5 1.3.3 Motherboard layout 1-6 1.3.4 Layout contents 1-7 1.4 Accelerated Processing Unit (APU 1-7 1.4.1 APU installation 1-8 1.4.2 APU heatsink and fan assembly installation 1-9 1.5 System memory...
Contents Safety information...vi About this guide...vii F2A55-M LK Series specifications summary ix Package contents...xi Chapter 1: Product introduction 1.1 Special features 1-1 1.1.1 Product highlights 1-1 1.1.2 ASUS DIGI+ VRM 1-2 1.1.3 ASUS Exclusive Features 1-2 1.2 Before you proceed 1-4 1.3 Motherboard overview 1-5 1.3.1 Placement direction 1-5 1.3.2 Screw holes 1-5 1.3.3 Motherboard layout 1-6 1.3.4 Layout contents 1-7 1.4 Accelerated Processing Unit (APU 1-7 1.4.1 APU installation 1-8 1.4.2 APU heatsink and fan assembly installation 1-9 1.5 System memory...
F2A55-M LK User's Manual
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... before the signal cables are not damaged. If you add a device. • Before connecting or removing signal cables from the motherboard, ensure that all cables are correctly connected and the power cables are connected. If you are not sure about the voltage of ... • Before using the product, ensure all power cables are using an adapter or extension cord. vi Operation safety • Before installing the motherboard and adding devices on a stable surface. • If you are unplugged. • Seek professional assistance before using , contact your local power company...
... before the signal cables are not damaged. If you add a device. • Before connecting or removing signal cables from the motherboard, ensure that all cables are correctly connected and the power cables are connected. If you are not sure about the voltage of ... • Before using the product, ensure all power cables are using an adapter or extension cord. vi Operation safety • Before installing the motherboard and adding devices on a stable surface. • If you are unplugged. • Seek professional assistance before using , contact your local power company...
F2A55-M LK User's Manual
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...This user guide contains the information you need when installing and configuring the motherboard. Refer to change system settings through the BIOS Setup menus. vii ASUS websites The ASUS website provides updated information on ASUS hardware and software products. Optional documentation Your product package may include optional documentation... more information Refer to the following parts: • Chapter 1: Product introduction This chapter describes the features of the motherboard and the new technology it supports. • Chapter 2: BIOS information This chapter tells how to the...
...This user guide contains the information you need when installing and configuring the motherboard. Refer to change system settings through the BIOS Setup menus. vii ASUS websites The ASUS website provides updated information on ASUS hardware and software products. Optional documentation Your product package may include optional documentation... more information Refer to the following parts: • Chapter 1: Product introduction This chapter describes the features of the motherboard and the new technology it supports. • Chapter 2: BIOS information This chapter tells how to the...
F2A55-M LK User's Manual
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...The package contents vary from models. • If any of the above items is damaged or missing, contact your motherboard package for reference only. Package contents Check your retailer. • The illustrated items above are for the following ... 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...
...The package contents vary from models. • If any of the above items is damaged or missing, contact your motherboard package for reference only. Package contents Check your retailer. • The illustrated items above are for the following ... 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...
F2A55-M LK User's Manual
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... visual experience. It features Dualchannel DDR3 memory support and accelerates data transfer rate up to 5GT/s. ASUS F2A55-M LK Series 1-1 C.) / 1866 / 1600 / 1333 / 1066 MHz Support The motherboard supports the dual-channel DDR3 memory that features data transfer rates of DDR3 2400(O.C.) / 2250(O.C.) ... 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. ...
... visual experience. It features Dualchannel DDR3 memory support and accelerates data transfer rate up to 5GT/s. ASUS F2A55-M LK Series 1-1 C.) / 1866 / 1600 / 1333 / 1066 MHz Support The motherboard supports the dual-channel DDR3 memory that features data transfer rates of DDR3 2400(O.C.) / 2250(O.C.) ... 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. ...
F2A55-M LK User's Manual
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... DIGI+POWER CONTROL: Digital Power Design for the APU* ASUS motherboards using user-defined profiles. The APU voltage is adjusted via either carefully developed automated modes, or by world-renowned ASUS quality, it easier for you to manage your network programs. It allows you... scenarios. It offers a total system-wide energy optimization, reduces fan noise, and extends the component's lifespan. 1-2 Chapter 1: Product introduction ASUS UEFI BIOS includes the following new features: • F12 BIOS snapshot hotkey • F3 Shortcut for most precise power delivery. Boosted by...
... DIGI+POWER CONTROL: Digital Power Design for the APU* ASUS motherboards using user-defined profiles. The APU voltage is adjusted via either carefully developed automated modes, or by world-renowned ASUS quality, it easier for you to manage your network programs. It allows you... scenarios. It offers a total system-wide energy optimization, reduces fan noise, and extends the component's lifespan. 1-2 Chapter 1: Product introduction ASUS UEFI BIOS includes the following new features: • F12 BIOS snapshot hotkey • F3 Shortcut for most precise power delivery. Boosted by...
F2A55-M LK User's Manual
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... CPU default settings when the system hangs due to -use helpful utilities. ASUS F2A55-M LK Series 1-3 It allows you to reduce carbon footprint of the product and thus mitigate environmental impacts. ASUS Fan Xpert ASUS Fan Xpert intelligently allows you to open the system chassis and clear the ... and the BIOS automatically restores the CPU parameters to a quiet and cool computing environment. C.P.R. ASUS Anti-Surge Protection This special design protects expensive devices and the motherboard from damage caused by power surges from a USB storage device that allows you to configure the ...
... CPU default settings when the system hangs due to -use helpful utilities. ASUS F2A55-M LK Series 1-3 It allows you to reduce carbon footprint of the product and thus mitigate environmental impacts. ASUS Fan Xpert ASUS Fan Xpert intelligently allows you to open the system chassis and clear the ... and the BIOS automatically restores the CPU parameters to a quiet and cool computing environment. C.P.R. ASUS Anti-Surge Protection This special design protects expensive devices and the motherboard from damage caused by power surges from a USB storage device that allows you to configure the ...
F2A55-M LK User's Manual
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...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 indicate that lights up to the motherboard, peripherals, or components. The illustration below shows the location of the following precautions before you install motherboard components or change any motherboard... power supply and detach its power cord. Standby Power LED The motherboard comes with the component. • Before you install or remove any motherboard component. This is a reminder that you should shut down the ...
...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 indicate that lights up to the motherboard, peripherals, or components. The illustration below shows the location of the following precautions before you install motherboard components or change any motherboard... power supply and detach its power cord. Standby Power LED The motherboard comes with the component. • Before you install or remove any motherboard component. This is a reminder that you should shut down the ...
F2A55-M LK User's Manual
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Doing so can damage the motherboard. 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. F2A55-M LK PLUS ASUS F2A55-M LK 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 holes indicated by circles to secure the motherboard to the rear part of the chassis.
Doing so can damage the motherboard. 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. F2A55-M LK PLUS ASUS F2A55-M LK 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 holes indicated by circles to secure the motherboard to the rear part of the chassis.
F2A55-M LK User's Manual
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The package contents vary from 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 ...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 CLRTC 64Mb BIOS SATA3G_1 SPEAKER F_PANEL 2 15 14 13 12 11 10 9 1-6 Chapter 1: Product introduction 1.3.3 Motherboard layout F2A55-M LK Series motherboards include F2A55-M LK PLUS and F2A55-M LK...
The package contents vary from 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 ...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 CLRTC 64Mb BIOS SATA3G_1 SPEAKER F_PANEL 2 15 14 13 12 11 10 9 1-6 Chapter 1: Product introduction 1.3.3 Motherboard layout F2A55-M LK Series motherboards include F2A55-M LK PLUS and F2A55-M LK...
F2A55-M LK User's Manual
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... 1.4 Accelerated Processing Unit (APU) This motherboard comes with an FM2 socket designed for the FM2 socket. The APU fits in only one correct orientation. CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN) 6. 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 Clear RTC RAM (3-pin CLRTC...
... 1.4 Accelerated Processing Unit (APU) This motherboard comes with an FM2 socket designed for the FM2 socket. The APU fits in only one correct orientation. CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN) 6. 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 Clear RTC RAM (3-pin CLRTC...
F2A55-M LK User's Manual
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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 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.
F2A55-M LK User's Manual
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... capacity can be about 3GB or less. To operate at the vendor-marked or at a lower frequency than the vendor-marked value. F2A55-M LK Series Motherboard Qualified Vendors Lists (QVL) DDR3 2400 (O.C.) MHz capability Vendors Part No. SEC 128 HCH9 K4B2G0846D Timing 9-11-9-28 10-11-10-30...can be supported with the same CAS latency. For effective use a more memory on the motherboard, the actual usable memory for better overclocking capability. • Always install DIMMs with 16GB or above DIMMs. ASUS will update the memory QVL once the DIMMs are using a 32-bit Windows® OS...
... capacity can be about 3GB or less. To operate at the vendor-marked or at a lower frequency than the vendor-marked value. F2A55-M LK Series Motherboard Qualified Vendors Lists (QVL) DDR3 2400 (O.C.) MHz capability Vendors Part No. SEC 128 HCH9 K4B2G0846D Timing 9-11-9-28 10-11-10-30...can be supported with the same CAS latency. For effective use a more memory on the motherboard, the actual usable memory for better overclocking capability. • Always install DIMMs with 16GB or above DIMMs. ASUS will update the memory QVL once the DIMMs are using a 32-bit Windows® OS...
F2A55-M LK User's Manual
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...cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. 1.6.4 PCI Express x1 slot This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express specifications. 1-18 Chapter 1: Product introduction Unplug... shared slots, ensure that the drivers support "Share IRQ" or that complies with the PCI Express specifications. 1.6.5 PCI Express x16 slot This motherboard supports one PCI Express x16 graphics card that the cards do so may need IRQ assignments. Turn on BIOS setup. 2. See Chapter 2...
...cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. 1.6.4 PCI Express x1 slot This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express specifications. 1-18 Chapter 1: Product introduction Unplug... shared slots, ensure that the drivers support "Share IRQ" or that complies with the PCI Express specifications. 1.6.5 PCI Express x16 slot This motherboard supports one PCI Express x16 graphics card that the cards do so may need IRQ assignments. Turn on BIOS setup. 2. See Chapter 2...
F2A55-M LK User's Manual
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shared - - - - - - HD audio shared - - - - - - - shared - - - - - PCIEx1_2 - SATA controller - - - ASUS F2A55-M LK Series 1-19 shared - - - - - - Onboard USB2.0 controller - - shared - - - OnChip IGP - shared - - - - - PCI1 slot - - - - shared - - - - IRQ assignments for this motherboard A B C D E F G H PCIEx16_1 - - PCIEx1_1 shared - - - - - - - Realtek LAN controller - shared - - - - - -
shared - - - - - - HD audio shared - - - - - - - shared - - - - - PCIEx1_2 - SATA controller - - - ASUS F2A55-M LK Series 1-19 shared - - - - - - Onboard USB2.0 controller - - shared - - - OnChip IGP - shared - - - - - PCI1 slot - - - - shared - - - - IRQ assignments for this motherboard A B C D E F G H PCIEx16_1 - - PCIEx1_1 shared - - - - - - - Realtek LAN controller - shared - - - - - -
F2A55-M LK User's Manual
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... port. This port is for any DVI-D compatible device. 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. This port ...or other VGA-compatible devices. 9. This 15-pin port is for USB 2.0/1.1 devices. 8. Insufficient air flow inside the system may damage the motherboard components. ASUS F2A55-M LK Series 1-23 PS/2 Keyboard port (purple). 6. DVI-D can't be converted to output RGB Signal to the fan connectors. DO NOT place ...
... port. This port is for any DVI-D compatible device. 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. This port ...or other VGA-compatible devices. 9. This 15-pin port is for USB 2.0/1.1 devices. 8. Insufficient air flow inside the system may damage the motherboard components. ASUS F2A55-M LK Series 1-23 PS/2 Keyboard port (purple). 6. DVI-D can't be converted to output RGB Signal to the fan connectors. DO NOT place ...
F2A55-M LK User's Manual
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... 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 you connect a high-definition front panel audio ... ASUS F2A55-M LK Series 1-27 Connect one end of the motherboard high-definition audio capability. • If you want to connect a high definition front panel audio module to this connector, set the Front Panel Type item in the BIOS to this connector. F2A55-M LK PLUS SPDIF_OUT F2A55-M LK PLUS Digital...
... 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 you connect a high-definition front panel audio ... ASUS F2A55-M LK Series 1-27 Connect one end of the motherboard high-definition audio capability. • If you want to connect a high definition front panel audio module to this connector, set the Front Panel Type item in the BIOS to this connector. F2A55-M LK PLUS SPDIF_OUT F2A55-M LK PLUS Digital...
F2A55-M LK User's Manual
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... 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. 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. USB 2.0 connectors... cable to any of these connectors, then install the module to a slot opening at the back of the system chassis. Doing so will damage the motherboard!
... 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. 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. USB 2.0 connectors... cable to any of these connectors, then install the module to a slot opening at the back of the system chassis. Doing so will damage the motherboard!
F2A55-M LK User's Manual
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... Service Pack 1 or later versions before installing the drivers for better compatibility and system stability. • BIOS and drivers updates are subject to avail all motherboard features. ASUS F2A55-M LK Series 1-29 Refer to your computer, browse the contents of the Support DVD are required to support Windows® 8. 1.9.2 Support DVD information The Support...
... Service Pack 1 or later versions before installing the drivers for better compatibility and system stability. • BIOS and drivers updates are subject to avail all motherboard features. ASUS F2A55-M LK Series 1-29 Refer to your computer, browse the contents of the Support DVD are required to support Windows® 8. 1.9.2 Support DVD information The Support...