Biostar M7TDB User Manual page 54

Chapter 2
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.
IDE HDD Block Mode
Block mode is also called block transfer, multiple commands, or
multiple sector read/ write. If your 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 number of block read/ write per
sector the drive can support.
The Choices: Enabled (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)
AC97 Audio/ Modem
This item allows you to decide to enable/ disable to support AC97 Audio/Modem.
The Choices: Auto (default), Disabled.
Enable USB Keyboard Support.
Disable USB Keyboard Support.
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BIOS Setup