Asus F2A55 2.5.6APM

SPDIF Out Type [SPDIF]

[SPDIF]	Sets to [SPDIF] for SPDIF audio output.
[HDMI]	Sets to [HDMI] for HDMI audio output.

Realtek LAN Controller [Enabled]

[Enabled]	Enables the Realtek LAN controller.
[Disabled]	Disables the controller.

Realtek PXE OPROM [Disabled]

This item appears only when you set the Realtek LAN Controller item to [Enabled] and allows you to enable or disable the Rom Help of the Realtek LAN controller. Configuration options: [Enabled] [Disabled]

Asmedia USB 3.0 Controller [Enabled]

[Enabled]	Enables the onboard USB 3.0 controller.
[Disabled]	Disables the controller.

Asmedia USB 3.0 Battery Charging Support [Enabled]

This item appears only when the Asmedia USB 3.0 Controller item is set to [Enabled].

[Enabled]	Enables the Asmedia USB 3.0 battery charging function.
[Disabled]	Disables this function.

Serial Port Configuration

The sub-items in this menu allow you to set the serial port configuration.

Serial Port [Enabled]

Allows you to enable or disable the serial port (COM). Configuration options: [Enabled] [Disabled]

Change Settings [Auto]

Allows you to select the Serial Port base address. Configuration options: [Auto] [IO=3F8h; IRQ=4] [IO=2F8h; IRQ=3] [IO=3E8h; IRQ=4] [IO=2E8h; IRQ=3]

2.5.6APM

Restore AC Power Loss [Power Off]

[Power On]	The system goes into on state after an AC power loss.
[Power Off]	The system goes into off state after an AC power loss.
[Last State]	The system goes into either off or on state, whatever the system state was
	before the AC power loss.

Power On By PS/2 Keyboard [Disabled]

[Disabled]	Disables the Power On by a PS/2 keyboard.
[Space Bar]	Sets the Space Bar on the PS/2 keyboard to turn on the system.
[Ctrl-Esc]	Sets the Ctrl+Esc key on the PS/2 keyboard to turn on the system.
[Power Key]	Sets Power key on the PS/2 keyboard to turn on the system. This feature
	requires an ATX power supply that provides at least 1A on the +5VSB lead.

2-20	ASUS F2A55

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 specifications summary Page Page Package contents 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 Page Page 1.5.3Installing a DIMM 1.6.1Installing an expansion card 1.6.2Configuring an expansion card 1.6.3PCI slots 1.6.4PCI Express x1 slots 1.6.5PCI Express x16 slots Page 1.7Jumpers 1.8.1Rear panel ports Page 1.8.2Internal connectors Page Page Page Page Page 1.9Onboard switch 1.10Onboard LEDs 1.11.1Installing an operating system 1.11.2Support 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] 2.4.6OC Tuner 2.4.7DRAM Timing Control 2.4.8CPU Voltage [Offset Mode] 2.4.9DRAM Voltage [Auto] 2.4.10SB 1.1V Voltage [Auto] 2.4.12APU1.2V Voltage [Auto] 2.4.13VDDA Voltage [Auto] 2.4.14DIGI+ VRM Page 2.5.1CPU Configuration 2.5.2SATA Configuration 2.5.3USB Configuration 2.5.4NB Configuration 2.5.5Onboard Devices Configuration 2.5.6APM 2.5.7Network Stack 2.6Monitor menu 2.6.1CPU Temperature / MB Temperature [xxxºC/xxxºF] 2.6.2CPU_FAN / CHA_FAN Speed [xxxx RPM] or [Ignore] / [N/A] 2.6.3CPU_FAN Q-FanControl [Enabled] 2.6.4CHA_FAN1/2 Q-FanControl [Disabled] 2.6.5CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage 2.6.6Anti 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)