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Chapter 2
IDE Primary / Secondary Master / Slave PIO
The IDE PIO (Programmed Input / Output) fields let you set a PIO
mode (0-4) for each of the 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.
The Choices: Auto (default), Mode0, Mode1, Mode2, Mode3, Mode4.
IDE Primary / Secondary Master / Slave UDMA
Ultra DMA / 33 implementation is possible only if your IDE hard drive
supports. Mode 0 through 4 provide successively increased
performance. In Auto mode, the system automatically determines the
best mode for each device.
The Choices: Auto (default), Disabled.
USB Controller
Select Enabled if your system contains a Universal Serial Bus (USB) controller
and you have USB peripherals.
The Choices: Enabled (default), Disabled.
USB Keyboard Support
The default value is Disabled.
Enabled
Disabled (default)
Init Display First
This item allows you to decide to active whether PCI Slot or on-chip VGA first.
The Choices: AGP (default), PCI Solt.
AC97 Audio/ Modem
This item allows you to decide to enable/ disable to support AC97 Audio/Modem.
The Choices: Auto (default), Disabled.
IDE HDD Block Mode
Block mode is also called block transfer, multiple commands, or multiple sector
read/ write. If you IDE hard drive supports block mode (most new drives do),
select Enabled for automatic detection of the optimal number of block mode
(most new drives do), select Enabled for automatic detection of the optimal
Enable USB Keyboard Support.
Disable USB Keyboard Support.
2-16
BIOS Setup
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