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OnChip IDE Channel 0/1
The chipset contains a PCI IDE interface with support for two IDE channels. To activate the
primary IDE interface select Enabled. If you want to disable the onboard IDE 1 and/or 2,
then select Disabled and this interface will be deactivated.
IDE Prefetch Mode
The onboard IDE drive interfaces supports IDE pre-fetching for faster drive access. If you
install a primary and/or secondary add-in IDE interface which does not support pre-fetching
set this field to Disabled.
Primary/Secondary, Master/Slave PIO
The four IDE PIO (Programmed Input/Output) fields let you set a PIO mode (0-4) for each of
the four IDE devices that the onboard IDE interface supports. Modes 0 through 4 provide
successively increased performance. In Auto mode, the system automatically determines the
best mode for each device.
Primary/Secondary, Master/Slave UDMA
Ultra DMA/66 implementation is possible only if your IDE hard drive supports it and the
operating environment includes a DMA driver (Windows 98 OSR2 or a third-party IDE bus
master driver). If your hard drive and your system software both support Ultra DMA/66,
select Auto to enable BIOS support
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3.6.2. VIA OnChip PCI Device
When you select this field the screen on the next page will appear:
CMOS Setup Utility - Copyright (C) 1984 - 2001 Award Software
VIA OnChip PCI Device
Item Help
Menu Level
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VIA-3058 AC97 Audio
[Auto]
VIA-3068 MC97 Modem
[Auto]
VIA-3058 AC97 Audio
If you want to enable the on-chip audio capabilities of your system you need use the default
setting “Auto”. If you install an add on sound card you must disable this field.
VIA-3068 MC97 Modem
This chipset can support MC97 Modem. This field allows you to decide whether you want
this support or not. If you select “Auto” the BIOS will automatically detect the AC97. If you
select “Disabled” the Bios will not detect any support for the AC97 audio/modem.
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BIOS Management
