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4 onboard devices configuration, 5 pcipnp, 6 usb configuration – Asus M4A78-HTPC/RC User Manual

Page 61: Onboard devices configuration -15, Pcipnp -15, Usb configuration -15

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Chapter 2: BIOS setup

2-15

CPU Spread Spectrum [Enabled]

Set to [Disabled] to enhance FSB overclocking ability or [Enabled] for EMI control.

Configuration options: [Disabled] [Enabled]

PCIE Spread Spectrum [Enabled]

Set to [Disabled] to enhance PCIE overclocking ability or [Enabled] for EMI control.

Configuration options: [Disabled] [Enabled]

2.4.4

Onboard Devices Configuration

HD Audio Controller [Enabled]

Allows you to enable or disable the HD Audio controller.

Configuration options: [Disabled] [Enabled]

Front Panel Select [HD Audio]

Allows you to set the front panel audio connector (AAFP) mode to legacy AC’97 or high-

definition audio depending on the audio standard that the front panel audio module supports.

Configuration options: [AC97] [HD Audio]

RCA Audio [Disabled]

Allows you to enable or disable the RCA audio output controller under Windows

®

Vista™ OS.

Under Windows

®

XP, RCA audio output is always set to [Disabled].

Configuration options: [Disabled] [Enabled]

Onboard LAN Controller [Enabled]

Allows you to enable or disable the onboard LAN. Configuration options: [Enabled] [Disabled]

Onboard LAN Boot ROM [Disabled]

Allows you to enable or disable the onboard LAN Boot ROM.

Configuration options: [Disabled] [Enabled]

2.4.5

PCIPnP

The PCI PnP menu items allow you to change the advanced settings for PCI/PnP devices.

Plug And Play O/S [No]

When set to [No], BIOS configures all the devices in the system. When 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]

2.4.6

USB Configuration

The items in this menu allows you to change the USB-related features. Select an item then

press 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 [Enable]

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

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