
BIOS Setup
4-13
4-5. Integrated
Peripherals
In this menu, you can change the onboard I/O device, I/O port address and other hardware
settings.
Figure 4-7. Integrated Peripherals Menu Screen
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
.
#
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.
User’s Manual
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