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BIOS Setup
4-5. Integrated Peripherals
In this menu, you can change the onboard I/O device, I/O port address and other hardware
settings.
Onboard IDE-1 Controller:
The onboard IDE 1 controller can be set as Enabled or Disabled. The default setting is
Enabled. The integrated peripheral controller contains an IDE interface with support for two
IDE channels. If you choose Disabled, it will effect the settings of four items not available.
For example, if you disabled the Onboard IDE-1 Controller, you will also disable the
Master/Slave Drive PIO Mode and Master/Slave Drive Ultra DMA.
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Master/Slave Drive PIO Mode
Six options are available: Auto $ Mode 0 $ Mode 1 $ Mode 2 $ Mode 3 $ Mode 4. The
five IDE PIO (Programmed Input/Output) items 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 (default setting), the system automatically
determines the best mode for each device.
#
Master/Slave Drive Ultra DMA
Two options are available: Auto and Disabled. The default setting is Auto. Ultra DMA is a
DMA data transfer protocol that utilizes ATA commands and the ATA bus to allow DMA
commands to transfer data at a maximum burst rate of 100 MB/sec.
Figure 4-7. Integrated Peripherals Menu Screen
4-13
User's Manual
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