Chapter 3
29
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.
Figure 3-5 Integrated Peripherals Screen
VIA OnChip IDE Device:
Press [Enter] to enter the sub-menu, which contains the following items for advanced
control:
1.
On-Chip Primary IDE Channel 0/1:
You can set this to disable the On Chip IDE controller if you are going to add an
extra higher performance IDE board.
2.
IDE Prefetch Mode:
The onboard IDE drive interfaces support s prefetching, for faster drive accesses. Set
to [
Disabled
] if this primary or secondary.
3.
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.
Chapter 3
30
VIA OnChip PCI Device:
This section provides information for setting onboard device. Enter this option by
choosing the Integrated Peripherals option from the CMOS Setup Utility menu
(Figure 3-5). Press [Enter] to enter the sub-menu, which contains the following items
for advanced control:
1.
VIA AC97 Audio:
This feature allows you to disable the on-board AC97 audio function.
2.
VIA MC97 Modem:
This item allows you to disable the chipset’s feature to support MC97 Modem.
3.
VIA OnChip LAN
This feature allows you to enable the OnChip LAN function.
4.
Onboard Lan Boot ROM
This feature allows you to boot up the system through a LAN function.
Super IO Device:
This section provides information on setting Super I/O device. Enter this option by
choosing the Integrated Peripherals option from the CMOS Setup Utility menu
(Figure 3-5). 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.
2.
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.
Available options are [
Normal
], [
IRDA
], [
ASKIR
] and [
SCR
].
4.
UR2 Duplex Mode:
This function allows you to configure your UART Mode transfer speed. Available
options are [
Normal
] and [
Half
].
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
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