CHAINTECH ES-676M Guide de l'utilisateur télécharger pdf (Page 8)

Chapter 3

Video RAM Cacheable

Enabling this function will allows caching of the video RAM, resulting in better system

performance. However, if any programs write to this memory area, a system error may

occur.

VGA Share Memory Size

This feature sets the size of shared memory for VGA graphic data.

FB Address Conversion

Available options: Disable/Enable.

FB Page Close Prediction

Available options: Disable/Enable.

Flash BIOS Protection

The motherboard manufacturer developed BIOS protection technology that protects the

System BIOS from accidental corruption by unauthorized users or computer viruses.

When enabled, the BIOS data cannot be changed when attempting to update BIOS with

the FLASH utility. When disabled, the BIOS data can be updated by using the FLASH

utility.

3-4 Integrated Peripherals

This section provides information on setting peripheral devices. By choosing the

Integrated Peripherals option from the CMOS Setup Utility menu (Figure 3-1), the screen

below is displayed. This sample screen contains the manufacturer's default values for the

motherboard.

VIA OnChip IDE Device:

Press [Enter] to enter the sub-menu, which contains the following items for advanced

control:

1. OnChip IDE Channel 0/1

You can set this to disable the OnChip IDE controller if you are going to add a higher

performance IDE board

IDE Prefetch Mode

Enabling this function will enhance the system efficiency.

Primary/Secondary Master/Slave PIO

The four IDE PIO (programmed Input/Output) fields let you set a PIO mode (0-4) for

each IDE device that the internal PCI IDE interface supports. Modes 0 through 4 provide

successively increased performance. In Auto mode, the system automatically determines

the best mode for each device.

4. Primary/Secondary Master/Slave UDMA

Ultra DMA implementation is possible only if your IDE device supports it and your

operating environment contains a DMA driver. If both your hard drive and software

support Ultra DMA, select [Auto] to enable BIOS support.

VIA OnChip PCI Device

This section provides information for setting onboard device. By choosing the Integrated

Peripherals option from the CMOS Setup Utility menu (Figure 3-5), the screen below is

displayed. This sample screen contains the manufacturer's default values for the

motherboard

Chapter 3

Press [Enter] to enter the sub-menu, which contains the following items for advanced

control:

1. VIA AC97 Audio

This feature allows you to enable/disable the onboard AC97 audio function.

2. VIA OnChip LAN

This feature allows you to enable/disable the onboard LAN function.

Onboard Lan Boot ROM

Decide whether too invoke the boot ROM of the onboard LAN chip.

Super IO Device

This section provides information on setting Super I/O device. By choosing the

Integrated Peripherals option from the CMOS Setup Utility menu (Figure 3-5), the screen

below is displayed. This sample screen contains the manufacturer's default values for the

motherboard.

Press [Enter] to enter the sub-menu, which contains the following items for advanced

control:

1. Onboard FDC Controller

Select Enabled if your system has a floppy disk controller (FDC) installed on the system

board and you wish to use it. If you install an add-in FDC or the system has no floppy

drive, select Disabled in this field.

Onboard Serial Port 1/2

Select an address and corresponding interrupt for the first and second serial ports.

Available options are [3F8/IRQ4], [2E8/IRQ3], [3E8/IRQ4], [2F8/IRQ3],

[

Disabled

], and [

Auto

3. UART Mode Select

This function allows you to select an operating mode for the second serial port.

(Normal RS-232C serial port / IRDA / SCR / ASKIR 0.57-MB/sec infrared port)

4. UR2 Duplex Mode

Available options: [Half] and [Full].

5. Onboard Parallel Port

Select a logical LPT port address and corresponding interrupt for the physical parallel

port.

6. Parallel Port Mode

Select an operating mode for the onboard parallel (printer) port. Select SPP unless you

are certain your hardware and software support one of the other available modes.

7. ECP Mode Use DMA

This item automatically specifies a DMA channel 1 or 3 for the parallel port when it is

set to [EPP] or [ECP+EPP] mode.

8. Game Port Address

This item disables or assigns the address of the Game port. Available options are

[Disable], [201] and [209].

Midi Port Address

This item disables or assigns the address of the Midi port. Available options are

[Disable], [300] and [330].

10.

Midi Port IRQ

This item specifies an IRQ for the Midi port. Available options are [5] and [10].

Init Display First

This function allows users to choose AGP or PCI slot to initialize display.

OnChip USB Controller/USB 2.0 Support

Enable the on-board Universal Serial Bus (USB V1.1 or V2.0) controller if you want to

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CHAINTECH ES-676M Guide de l'utilisateur Page 8

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