User`s manual

NA-821 Series Network Appliance User’s Manual
Phoenix-Award BIOS Utility
42
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 OnChip IDE Device
Scroll to this item and press <Enter> to view the sub menu OnChip
IDE Device.
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 IDE HDD Block Mode
Block mode is also called block transfer, multiple commands,
or multiple sectors 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
read/writes per sector the drive can support.
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 On-Chip Primary/Secondary PCI IDE
The integrated peripheral controller contains an IDE interface
with support for two IDE channels. Select Enabled to activate
each channel separately. The default value is “Enabled”.
NOTE Choosing Disabled for these options will
automatically remove the IDE Primary Master/
Slave PIO and/or IDE Secondary Master/Slave
PIO items on the menu.
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 IDE 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 to 4 provide