F2A55-M LK2 User's Manual
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Contents Safety information...vi About this guide...vii F2A55-M LK2 Series specifications summary ix Package contents...xi 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 ...
Contents Safety information...vi About this guide...vii F2A55-M LK2 Series specifications summary ix Package contents...xi 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 ...
F2A55-M LK2 User's Manual
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... next page) ix F2A55-M LK2 Series specifications summary APU Chipset Memory Graphics Expansion slots Storage / RAID LAN Audio USB AMD Socket FM2 A-series/Athlon™ Series Processors AMD® Turbo Core Technology 3.0 support Microsoft® DirectX® 11 support • Refer to www.asus.com for the discrete...8111F PCIe Gigabit LAN controller Realtek® ALC887-VD 8-channel High Definition Audio CODEC • Use a chassis with 16GB or above DIMMs. ASUS will update the memory QVL once the DIMMs are using a Windows® 32-bit operating system. AMD® A55 FCH (Hudson D2)...
... next page) ix F2A55-M LK2 Series specifications summary APU Chipset Memory Graphics Expansion slots Storage / RAID LAN Audio USB AMD Socket FM2 A-series/Athlon™ Series Processors AMD® Turbo Core Technology 3.0 support Microsoft® DirectX® 11 support • Refer to www.asus.com for the discrete...8111F PCIe Gigabit LAN controller Realtek® ALC887-VD 8-channel High Definition Audio CODEC • Use a chassis with 16GB or above DIMMs. ASUS will update the memory QVL once the DIMMs are using a Windows® 32-bit operating system. AMD® A55 FCH (Hudson D2)...
F2A55-M LK2 User's Manual
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... Series specifications summary ASUS unique features Special features Back Panel I/O ports 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...
... Series specifications summary ASUS unique features Special features Back Panel I/O ports 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...
F2A55-M LK2 User's Manual
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... AUDIO CHA_FAN F2A55-M LK2 PLUS RTL 8111F PCIEX16 PCIEX1_1 Lithium Cell CMOS Power ALC887 Super I/O PCI1 SB_PWR 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...
... AUDIO CHA_FAN F2A55-M LK2 PLUS RTL 8111F PCIEX16 PCIEX1_1 Lithium Cell CMOS Power ALC887 Super I/O PCI1 SB_PWR 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...
F2A55-M LK2 User's Manual
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..., energy-efficient design 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. AMD...will be no more confusion of DDR3 1866 / 1600 / 1333 / 1066 MHz to boost the system's performance, and to 5GT/s. ASUS F2A55-M LK2 Series 1-1 This revolutionary APU (Accelerated Processing Unit) combines processing power and advanced DirectX 11 graphics in , Line-out, and Mic jacks....
..., energy-efficient design 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. AMD...will be no more confusion of DDR3 1866 / 1600 / 1333 / 1066 MHz to boost the system's performance, and to 5GT/s. ASUS F2A55-M LK2 Series 1-1 This revolutionary APU (Accelerated Processing Unit) combines processing power and advanced DirectX 11 graphics in , Line-out, and Mic jacks....
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... the system, and the BIOS automatically restores the CPU parameters to overclocking failure. C.P.R. (CPU Parameter Recall) The BIOS C.P.R. ASUS F2A55-M LK2 Series 1-3 ErP ready The motherboard is in regards to energy consumptions. It allows you to launch and operate these utilities simultaneously. ...;s Energy-related Products (ErP) ready, and ErP requires products to meet certain energy efficiency requirements in line with ASUS vision of creating environment-friendly and energyefficient products through product design and innovation to reduce carbon footprint of the product ...
... the system, and the BIOS automatically restores the CPU parameters to overclocking failure. C.P.R. (CPU Parameter Recall) The BIOS C.P.R. ASUS F2A55-M LK2 Series 1-3 ErP ready The motherboard is in regards to energy consumptions. It allows you to launch and operate these utilities simultaneously. ...;s Energy-related Products (ErP) ready, and ErP requires products to meet certain energy efficiency requirements in line with ASUS vision of creating environment-friendly and energyefficient products through product design and innovation to reduce carbon footprint of the product ...
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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. The edge with external ports goes to the rear part of the chassis. Doing so can damage the motherboard. F2A55-M LK2 PLUS ASUS F2A55-M LK2 Series 1-5 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 chassis.
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. The edge with external ports goes to the rear part of the chassis. Doing so can damage the motherboard. F2A55-M LK2 PLUS ASUS F2A55-M LK2 Series 1-5 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 chassis.
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The package contents vary from models. The layout illustrations in this user guide are for F2A55-M LK2 PLUS only. 1 KBMS 2 3 4 5 17.3cm(6.8in) ATX12V DIGI +VRM CPU_FAN DDR3 DIMM_A1...F2A55-M LK2 PLUS RTL 8111F PCIEX16 PCIEX1_1 Lithium Cell CMOS Power SATA3G_1 AMD® A55 SATA3G_2 6 ALC887 Super I/O PCI1 32Mb BIOS SB_PWR SPDIF_OUTCOM1USBPW5-8 USB78 SPEAKER CLRTC USB56 SATA3G_3 SATA3G_4 7 AAFP F_PANEL 15 14 13 12 11 1 10 98 7 1-6 Chapter 1: Product introduction 1.3.3 Motherboard layout F2A55-M LK2 Series motherboards include F2A55-M LK2 PLUS and F2A55-M LK2...
The package contents vary from models. The layout illustrations in this user guide are for F2A55-M LK2 PLUS only. 1 KBMS 2 3 4 5 17.3cm(6.8in) ATX12V DIGI +VRM CPU_FAN DDR3 DIMM_A1...F2A55-M LK2 PLUS RTL 8111F PCIEX16 PCIEX1_1 Lithium Cell CMOS Power SATA3G_1 AMD® A55 SATA3G_2 6 ALC887 Super I/O PCI1 32Mb BIOS SB_PWR SPDIF_OUTCOM1USBPW5-8 USB78 SPEAKER CLRTC USB56 SATA3G_3 SATA3G_4 7 AAFP F_PANEL 15 14 13 12 11 1 10 98 7 1-6 Chapter 1: Product introduction 1.3.3 Motherboard layout F2A55-M LK2 Series motherboards include F2A55-M LK2 PLUS and F2A55-M LK2...
F2A55-M LK2 User's Manual
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... with an FM2 socket designed for the FM2 socket. Ensure that you use a APU designed for AMD® A-series accelerated processors with AMD® Radeon™ HD 7000 series graphics. F2A55-M LK2 PLUS F2A55-M LK2 PLUS CPU socket FM2 ASUS F2A55-M LK2 Series 1-7 CPU fan connector (4-pin CPU_FAN) 5. Clear RTC RAM (3-pin CLRTC) 8. Standby power LED (SB_PWR) 15. System panel...
... with an FM2 socket designed for the FM2 socket. Ensure that you use a APU designed for AMD® A-series accelerated processors with AMD® Radeon™ HD 7000 series graphics. F2A55-M LK2 PLUS F2A55-M LK2 PLUS CPU socket FM2 ASUS F2A55-M LK2 Series 1-7 CPU fan connector (4-pin CPU_FAN) 5. Clear RTC RAM (3-pin CLRTC) 8. Standby power LED (SB_PWR) 15. System panel...
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To install the APU heatsink and fan assembly 1 2 3 4 5 ASUS F2A55-M LK2 Series 1-9 1.4.2 APU heatsink and fan assembly installation Apply the Thermal Interface Material to the APU heatsink and APU before you install the heatsink and fan if necessary.
To install the APU heatsink and fan assembly 1 2 3 4 5 ASUS F2A55-M LK2 Series 1-9 1.4.2 APU heatsink and fan assembly installation Apply the Thermal Interface Material to the APU heatsink and APU before you install the heatsink and fan if necessary.
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DDR3 modules are developed for better performance with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. A DDR3 module has the same physical dimensions as a DDR2 DIMM but is notched differently to prevent installation on a DDR2 DIMM socket. 1.5 System memory 1.5.1 Overview This motherboard comes with less power consumption. 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
DDR3 modules are developed for better performance with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. A DDR3 module has the same physical dimensions as a DDR2 DIMM but is notched differently to prevent installation on a DDR2 DIMM socket. 1.5 System memory 1.5.1 Overview This motherboard comes with less power consumption. 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
F2A55-M LK2 User's Manual
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... memory modules from the blue slots for better overclocking capability. • Always install DIMMs with the same CAS latency. Check with 16GB or above DIMMs. ASUS will update the memory QVL once the DIMMs are using a 32-bit Windows® OS. - Use a 64-bit Windows® OS if you want to... the OS can be supported with the retailer to get the correct memory modules. • Due to support a full memory load (2 DIMMs) or overclocking condition. F2A55-M LK2 Series Motherboard Qualified Vendors Lists (QVL) DDR3 1866 MHz capability Vendors Part No.
... memory modules from the blue slots for better overclocking capability. • Always install DIMMs with the same CAS latency. Check with 16GB or above DIMMs. ASUS will update the memory QVL once the DIMMs are using a 32-bit Windows® OS. - Use a 64-bit Windows® OS if you want to... the OS can be supported with the retailer to get the correct memory modules. • Due to support a full memory load (2 DIMMs) or overclocking condition. F2A55-M LK2 Series Motherboard Qualified Vendors Lists (QVL) DDR3 1866 MHz capability Vendors Part No.
F2A55-M LK2 User's Manual
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... any slot as Single-channel memory configuration. • 2 DIMMs: Supports two modules inserted into both the blue slots as one pair of Dualchannel memory configuration. ASUS F2A55-M LK2 Series 1-15 DDR3 1066 MHz capability Vendors Part No. J1108BFSE-DJ-F 7 H5TQ2G83AFR 7 1.35V(low voltage) 1.5V 1.5V DIMM socket support (Optional) 1 DIMM 2 DIMMs •... DS KINGSTON KVR1066D3N7/1G(low profile) 1GB SS KINGSTON KVR1066D3N7/4G 4GB DS Micron ELPIDA ELPIDA Hynix 9GF22D9KPT 7 J1108EDSE-DJ-F - Visit the ASUS website at www.asus.com for the latest QVL. Single-sided DS -
... any slot as Single-channel memory configuration. • 2 DIMMs: Supports two modules inserted into both the blue slots as one pair of Dualchannel memory configuration. ASUS F2A55-M LK2 Series 1-15 DDR3 1066 MHz capability Vendors Part No. J1108BFSE-DJ-F 7 H5TQ2G83AFR 7 1.35V(low voltage) 1.5V 1.5V DIMM socket support (Optional) 1 DIMM 2 DIMMs •... DS KINGSTON KVR1066D3N7/1G(low profile) 1GB SS KINGSTON KVR1066D3N7/4G 4GB DS Micron ELPIDA ELPIDA Hynix 9GF22D9KPT 7 J1108EDSE-DJ-F - Visit the ASUS website at www.asus.com for the latest QVL. Single-sided DS -
F2A55-M LK2 User's Manual
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... slots, ensure that the drivers support "Share IRQ" or that the cards do so may need IRQ assignments. Keep the screw for the expansion card. ASUS F2A55-M LK2 Series 1-17 1.6 Expansion slots In the future, you intend to use . 4. The following sub‑sections describe the slots and the expansion cards that you may...
... slots, ensure that the drivers support "Share IRQ" or that the cards do so may need IRQ assignments. Keep the screw for the expansion card. ASUS F2A55-M LK2 Series 1-17 1.6 Expansion slots In the future, you intend to use . 4. The following sub‑sections describe the slots and the expansion cards that you may...
F2A55-M LK2 User's Manual
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You can automatically reset parameter settings to overclocking. F2A55-M LK2 PLUS CLRTC 12 23 Normal (Default) Clear RTC F2A55-M LK2 PLUS Clear RTC RAM To erase the RTC RAM: 1. ASUS F2A55-M LK2 Series 1-19 Keep the cap on CLRTC jumper default position. Removing the cap will cause system boot failure! • If the steps above do not need ...
You can automatically reset parameter settings to overclocking. F2A55-M LK2 PLUS CLRTC 12 23 Normal (Default) Clear RTC F2A55-M LK2 PLUS Clear RTC RAM To erase the RTC RAM: 1. ASUS F2A55-M LK2 Series 1-19 Keep the cap on CLRTC jumper default position. Removing the cap will cause system boot failure! • If the steps above do not need ...
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... to support an 8-channel audio output. LAN (RJ-45) port. Line In port (light blue). This port connects to a headphone or a speaker. Microphone port (pink). ASUS F2A55-M LK2 Series 1-21 This port is for the function of this port becomes Front Speaker Out. 5. This port connects to the tape, CD, DVD player, or other...
... to support an 8-channel audio output. LAN (RJ-45) port. Line In port (light blue). This port connects to a headphone or a speaker. Microphone port (pink). ASUS F2A55-M LK2 Series 1-21 This port is for the function of this port becomes Front Speaker Out. 5. This port connects to the tape, CD, DVD player, or other...
F2A55-M LK2 User's Manual
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.... ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) These connectors are for your system, refer to install additional devices. ATX12V EATXPWR +12V DC +12V DC F2A55-M LK2 PLUS GND GND +3 Volts +12 Volts +12 Volts +5V Standby Power OK GND PIN 1 +5 Volts GND +5 Volts GND +3 Volts +3 Volts PIN 1 ... Power Supply Wattage Calculator at least 15 A on +12 V and that the PSU has a minimum power rating of 300W power rating. ASUS F2A55-M LK2 Series 1-23 com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for details. This PSU type has 24-pin and 4-pin power plugs. • If ...
.... ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) These connectors are for your system, refer to install additional devices. ATX12V EATXPWR +12V DC +12V DC F2A55-M LK2 PLUS GND GND +3 Volts +12 Volts +12 Volts +5V Standby Power OK GND PIN 1 +5 Volts GND +5 Volts GND +3 Volts +3 Volts PIN 1 ... Power Supply Wattage Calculator at least 15 A on +12 V and that the PSU has a minimum power rating of 300W power rating. ASUS F2A55-M LK2 Series 1-23 com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for details. This PSU type has 24-pin and 4-pin power plugs. • If ...
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... power LED cable to hear system beeps and warnings. The IDE LED lights up when you to this connector. 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 Speaker connector (4-pin SPEAKER) The 4-pin connector is for the chassis-mounted system warning speaker. The system power...
... power LED cable to hear system beeps and warnings. The IDE LED lights up when you to this connector. 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 Speaker connector (4-pin SPEAKER) The 4-pin connector is for the chassis-mounted system warning speaker. The system power...
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...connectors Never connect a 1394 cable to 480Mbps connection speed. The USB 2.0 module is purchased separately. Doing so will damage the motherboard! ASUS F2A55-M LK2 Series 1-27 USB 2.0 connectors (10-1 pin USB56, USB78) These connectors are for a serial (COM) port. Connect the serial port... with USB 2.0 specification that supports up to the USB connectors. COM1 CTS DSR DTR RXD RI PIN 1 RTS GND TXD DCD F2A55-M LK2 PLUS F2A55-M LK2 PLUS Serial port (COM1) connector The COM module is purchased separately. 9. Serial port connector (10-1 pin COM) This connector is...
...connectors Never connect a 1394 cable to 480Mbps connection speed. The USB 2.0 module is purchased separately. Doing so will damage the motherboard! ASUS F2A55-M LK2 Series 1-27 USB 2.0 connectors (10-1 pin USB56, USB78) These connectors are for a serial (COM) port. Connect the serial port... with USB 2.0 specification that supports up to the USB connectors. COM1 CTS DSR DTR RXD RI PIN 1 RTS GND TXD DCD F2A55-M LK2 PLUS F2A55-M LK2 PLUS Serial port (COM1) connector The COM module is purchased separately. 9. Serial port connector (10-1 pin COM) This connector is...