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Asus F2A55MCSM 2.5.3USB Configuration, 2.5.4NB Configuration, 2.5.5Onboard Devices Configuration

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2.5.3USB Configuration

The items in this menu allow you to change the USB-related features.

The USB Devices item shows the auto-detected values. If no USB device is detected, the item shows None.

Legacy USB Support [Enabled]

[Enabled]	Enables the support for USB devices on legacy operating systems (OS).
[Disabled]	The USB devices can be used only for the BIOS setup program.
[Auto]	Allows the system to detect the presence of USB devices at startup. If
	detected, the USB controller legacy mode is enabled. If no USB device is
	detected, the legacy USB support is disabled.

Legacy USB3.0 Support [Enabled]

This item appears only when you set the previous item to [Auto] or [Enabled].

[Enabled]	Enables the support for USB 3.0 devices on legacy operating systems
	(OS).
[Disabled]	Disables the function.

EHCI Hand-off [Disabled]

[Enabled]	Enables the support for operating systems without an EHCI hand‑off
	feature.
[Disabled]	Disables the function.

2.5.4NB Configuration

IGFX Multi-Monitor [Disabled]

Enables or disables the Internal Graphics Device Multi-Monitor support for add-on VGA devices. And the memory size of Internal Graphics Device will keep memory reserved. Configuration options: [Disabled] [Enabled]

Primary Video Device [PCIE / PCI Video]

Selects the primary display device. Configuration options: [IGFX Video] [PCIE / PCI Video]

Integrated Graphics [Auto]

Enables the integrated graphics controller. Configuration options: [Auto] [Force]

UMA Frame Buffer Size [Auto]

This item appears only when you set the previous item to [Force] and allows you to set the UMA Frame Buffer Size. Configuration options: [Auto] [32M] [64M] [128M] [256M] ~ [2G]

2.5.5Onboard Devices Configuration

HD Audio Device [Enabled]

[Enabled]	Enables the High Definition Audio Controller.
[Disabled]	Disables the controller.

2-20	Chapter 2: Getting started

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-Mspecifications summary Page Page Package contents 1.1.1Product highlights 1.1.2DIGI+VRM 1.1.3Innovative ASUS features 1.1.4ASUS Quiet Thermal Solution 1.1.5ASUS EZ DIY 1.2Before you proceed 1.3.1Placement direction 1.3.2Screw holes 1.3.3Motherboard layout 1.3.4Layout contents 1.4.1Installing the APU 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 1.5.4Removing 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 slots 1.7Jumpers 1.8.1Rear panel connectors Page 1.8.2Internal connectors Page Page Page Page Page 1.9Onboard switches 1.10Onboard LEDs Page 1.11.1Installing an operating system 1.11.2Support DVD information 2.1.1ASUS Update utility 2.1.2ASUS EZ Flash 2.1.3ASUS CrashFree BIOS 3 utility 2.1.4ASUS BIOS Updater Page 2.2BIOS setup program BIOS menu screen 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 Page 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 2.5.6APM 2.5.7Network Stack 2.6.2CPU / PWR / Chassis Fan Speed [xxxx RPM] or [Ignore] / [N/A] 2.6.3CPU Q-FanControl [Enabled] 2.6.4CHA_FAN Q-FanControl [Enabled] 2.6.5CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage 2.6.6Anti Surge Support [Enabled] 2.7Boot menu 2.7.1Bootup NumLock State [On] 2.7.2Full Screen Logo [Enabled] 2.7.3Fast Boot [Enabled] 2.7.4Post Logo Delay Time [3 sec] 2.7.5Wait for ‘F1’ If Error [Enabled] 2.7.7Next boot after AC Power Loss [Normal Boot] 2.7.8CSM Parameters 2.7.9Security Boot parameters 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 ASUS Recycling/Takeback Services ASUSTeK COMPUTER INC ASUS COMPUTER INTERNATIONAL (America) ASUS COMPUTER GmbH (Germany and Austria)