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Asus M5A78LMUSB3 2.4.5PCIPnP, 2.4.6USB Configuration, Plug and Play O/S [No], USB Functions [Enabled], Legacy USB Support [Auto], USB 2.0 Controller [Enabled]

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2.4.5PCIPnP

The PCI PnP menu items allow you to change the advanced settings for PCI/PnP devices. The menu includes setting IRQ and DMA channel resources for either PCI/PnP or legacy ISA devices, and setting the memory size block for legacy ISA devices.

Take caution when changing the settings of the PCI PnP menu items. Incorrect field values can cause the system to malfunction.

Plug and Play O/S [No]

When this item is set to [No], BIOS configures all the devices in the system. When this item is set to [Yes] and if you install a Plug and Play operating system, the operating system configures the Plug and Play devices not required for boot. Configuration options: [No] [Yes]

2.4.6USB Configuration

The items in this menu allows you to change the USB-related features. Select an item then press <Enter> to display the configuration options.

The Module Version and USB Devices Enabled items show the auto-detected values. If no USB device is detected, the item shows None.

USB Functions [Enabled]

Allows you to enable or disable the USB functions. Configuration options: [Disabled] [Enabled]

USB 2.0 Controller [Enabled]

Enables or disables USB 2.0 Controllers. Configuration options: [Disabled] [Enabled]

Legacy USB Support [Auto]

Allows you to enable or disable support for Legacy USB storage devices, including USB flash drives and USB hard drives. Setting to 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. Configuration options: [Disabled] [Enabled] [Auto]

USB 2.0 Controller Mode [HiSpeed]

Allows you to configure the USB 2.0 controller in HiSpeed (480Mbps) or Full Speed (12Mbps). Configuration options: [FullSpeed] [HiSpeed]

The following items only appear when a USB storage device is plugged in.

USB Mass Storage Device Configuration

USB Mass Storage Reset Delay [20 Sec]

Sets the maximum time that the BIOS waits for the USB storage device to initialize. Configuration options: [10 Sec] [20 Sec] [30 Sec] [40 Sec]

Emulation Type [Auto]

Allows you to set the emulation type. Configuration options: [Auto] [Floppy] [Forced FDD] [Hard Disk] [CDROM]

2-16	Chapter 2: BIOS information

Contents

Page Page Chapter 1: Product introduction Chapter 2: BIOS information Page Federal Communications Commission Statement Canadian Department of Communications Statement ASUS Recycling/Takeback Services REACH Electrical safety Operation safety How this guide is organized Conventions used in this guide Where to find more information Typography CPU Chipset System bus Memory Graphics USB Back panel I/O ports Support DVD Form factor 1.3.1Product highlights AMD® Cool ‘n’ Quiet Technology HyperTransport™ 3.0 support Dual-ChannelDDR3 2000(O.C.) support USB 3.0 support Gigabit LAN solution 1.3.2Innovative ASUS features C.P.R. (CPU Parameter Recall) ErP ready Onboard LED M5A78L-M/USB3Onboard LED 1.5.1Placement direction 1.5.2Screw holes 1.5.3Motherboard layout 1.5.4Layout contents 1.6.1Installing the CPU M5A78L-M/USB3CPU fan connector 1.6.2Installing the heatsink and fan 1.7.1Overview 1.7.2Memory configurations DDR3-1866(O.C.)MHzcapability DDR3-1600(O.C.)MHzcapability DDR3-1333MHzcapability Page DDR3-1066MHzcapability 1.7.3Installing a DIMM 1.7.4Removing a DIMM 1.8.1Installing an expansion card 1.8.2Configuring an expansion card 1.8.3PCI slots 1.8.4PCI Express x1 slot 1.8.5PCI Express x16 slot 1.Clear RTC RAM (CLRTC) M5A78L-M/USB3Clear RTC RAM <Del 1.10.1Rear panel ports Audio 2, 4, 6, or 8-channelconfiguration USB 2.0 ports 1 and USB 3.0 ports 3 and DVI port HDMI port 1.10.2Internal connectors 3.ATX power connectors (24-pinEATXPWR, 4-pinATX12V) M5A78L-M/USB3ATX power connectors 4.Serial ATA connectors (7-pinSATA3G_1~6) M5A78L-M/USB3SATA 3.0Gb/s connectors 5.System panel connector (20-8pin PANEL) M5A78L-M/USB3System panel connector •System power LED (2-pinPLED) •Hard disk drive activity LED (2-pinIDE_LED) •System warning speaker (4-pinSPEAKER) 6.USB connectors (10-1pin USB78, USB910, USB1112) M5A78L-M/USB3USB2.0 connectors 7.Digital audio connector (4-1pin SPDIF_OUT) M5A78L-M/USB3Digital audio connector 8.CPU and chassis fan connectors (4-pinCPU_FAN and 3-pinCHA_FAN) M5A78L-M/USB3Fan connectors 9.Serial port connector (10-1pin COM1) M5A78L-M/USB3Serial port (COM1) connector 1.11.1Installing an operating system 1.11.2Support DVD information 2.1.1ASUS Update 2.1.2ASUS EZ Flash 2.1.3ASUS CrashFree BIOS Entering BIOS Setup at startup <Delete Entering BIOS Setup after POST <Ctrl <Alt 2.2.1BIOS menu screen 2.2.2Menu bar 2.2.3Navigation keys 2.2.4Menu items 2.2.5Submenu items 2.2.6Configuration fields 2.2.7Pop-upwindow 2.2.8Scroll bar 2.3.1System Time [xx:xx:xx] 2.3.2System Date [Day xx/xx/xxxx] 2.3.3SATA3G_1/2/3/4/5/6 2.3.4SATA Configuration 2.3.5System Information 2.4.1JumperFree Configuration PCIE Overclocking [Auto] CPU Ratio [Auto] CPU/NB Frequency [Auto] CPU Over Voltage [Auto] VDDNB Over Voltage [Auto] DRAM Timing Configuration Memory Over Voltage [Auto] 2.4.2CPU Configuration 2.4.3Chipset 2.4.4Onboard Devices Configuration 2.4.5PCIPnP 2.4.6USB Configuration 2.5.1Suspend Mode [Auto] 2.5.2ACPI 2.0 Support [Enabled] 2.5.3ACPI APIC Support [Enabled] 2.5.4APM Configuration 2.5.5HW Monitor Configuration 2.5.6Anti Surge Support [Enabled] 2.6.1Boot Device Priority 2.6.2 Boot Settings Configuration 2.6.3Security Change User Password 1.Select the Change User Password item and press <Enter Clear User Password Password Check [Setup] [Setup] 2.7.1ASUS EZ Flash 2.7.2ASUS O.C. Profile Exit & Save Changes Exit & Discard Changes Discard Changes Load Setup Defaults <F5 Exit & Save Changes Page ASUSTeK COMPUTER INC Technical Support ASUS COMPUTER INTERNATIONAL (America) ASUS COMPUTER GmbH (Germany and Austria) DECLARATION OF CONFORMITY EC Declaration of Conformity