Asus F2A55-M LK, F2A55-M LK PLUS 1.8.2Internal connectors

6.USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are for USB 2.0/1.1 devices.

7.USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports are for USB 2.0/1.1 devices.

8.Video Graphics Adapter (VGA) port. This 15-pin port is for a VGA monitor or other VGA-compatible devices.

9.DVI-D port. This port is for any DVI-D compatible device. DVI-D can’t be converted to output RGB Signal to CRT and isn’t compatible with DVI-I.

10.PS/2 Keyboard port (purple). This port is for a PS/2 keyboard.

1.8.2Internal connectors

1.CPU and chassis fan connectors (4-pin CPU_FAN, and 3-pin CHA_FAN)

Connect the fan cables to the fan connectors on the motherboard, ensuring that the black wire of each cable matches the ground pin of the connector.

CPU_FAN

GND

CPU FAN PWR

CPU FAN IN

CPU FAN PWM

CHA_FAN

F2A55-M LK PLUS

Rotation +12V GND

F2A55-M LK PLUS Fan connectors

DO NOT forget to connect the fan cables to the fan connectors. Insufficient air flow inside the system may damage the motherboard components. These are not jumpers! DO NOT place jumper caps on the fan connectors.

•The CPU_FAN connector supports a CPU fan of maximum 2A (24 W) fan power.

•Only the CPU_FAN connector support the ASUS Fan Xpert feature.

ASUS F2A55-M LK Series

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Contents

Page Page Contents Page Page Electrical safety Operation safety How this guide is organized Where to find more information Conventions used in this guide Typography F2A55-MLK Series specifications summary Page Package contents Page 1.1.1Product highlights 1.1.2ASUS DIGI+ VRM 1.1.3ASUS Exclusive Features Page 1.2Before you proceed 1.3.1Placement direction 1.3.2Screw holes 1.3.3Motherboard layout 1.3.4Layout contents 1.4.1APU installation 1.4.2APU heatsink and fan assembly installation Page 1.5.1Overview 1.5.2Memory configurations Page Page Page Page 1.5.3Installing a DIMM 1.6.1Installing an expansion card 1.6.2Configuring an expansion card 1.6.3PCI slot 1.6.4PCI Express x1 slot 1.6.5PCI Express x16 slot Page 1.7Jumpers Page 1.8.1Rear panel ports 1.8.2Internal connectors Page Page Page Page Page 1.9.1Installing an operating system 1.9.2Support DVD information Page 2.1.1ASUS Update utility 2.1.2ASUS EZ Flash 2.1.3ASUS CrashFree BIOS 3 utility 2.1.4ASUS BIOS Updater Page BIOS menu screen Page Page Page 2.3.1System Language [English] 2.3.2System Date [Day xx/xx/xxxx] 2.3.3System Time [xx:xx:xx] 2.3.4Security Page 2.4Ai Tweaker menu 2.4.1Ai Overclock Tuner [Auto] 2.4.2Memory Frequency [Auto] 2.4.3APU Multiplier [Auto] 2.4.4NB Frequency [Auto] 2.4.5EPU Power Saving Mode [Disabled] 2.4.6GPU Boost [Auto] 2.4.7OC Tuner 2.4.8DRAM Timing Control 2.4.9CPU Voltage [Offset Mode] 2.4.10DRAM Voltage [Auto] 2.4.11SB 1.1V Voltage [Auto] 2.4.121.1VSB Voltage [Auto] 2.4.13APU1.2V Voltage [Auto] 2.4.14VDDA Voltage [Auto] Page 2.5.1CPU Configuration 2.5.2SATA Configuration 2.5.3USB Configuration 2.5.4NB Configuration 2.5.5Onboard Devices Configuration Page 2.5.6APM 2.5.7Network Stack 2.6.1CPU Temperature / MB Temperature [xxxºC/xxxºF] 2.6.2CPU / Chassis fan Speed [xxxx RPM] or [Ignore] / [N/A] 2.6.3CPU Q-FanControl [Enabled] 2.6.4CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage 2.6.5Anti Surge Support [Enabled] 2.7.1Bootup NumLock State [On] 2.7.2Full Screen Logo [Enabled] 2.7.3Fast Boot [Enabled] 2.7.4Post Delay Time [3 sec] 2.7.5Wait for ‘F1’ If Error [Enabled] 2.7.6Option ROM Messages [Force BIOS] 2.7.7Next boot after AC Power Loss [Normal Boot] 2.7.8CSM Parameters 2.7.9Security Boot parameters Page 2.7.10Setup Mode [EZ Mode] 2.7.11Boot Option Priorities 2.7.12Boot Override 2.8.1ASUS EZ Flash 2 Utility 2.8.2ASUS SPD Information 2.8.3ASUS O.C. Profile 2.9Exit menu Page Federal Communications Commission Statement IC: Canadian Compliance Statement Canadian Department of Communications Statement VCCI: Japan Compliance Statement VCCI Class B Statement KC: Korea Warning Statement REACH ASUSTeK COMPUTER INC ASUS COMPUTER INTERNATIONAL (America) ASUS COMPUTER GmbH (Germany and Austria)