Intel SBC-776 - Manual (Page 70)

Chapter 3 Award BIOS Setup 61
Integrated Peripherals
On-Chip Primary PCI IDE
The system chipset contains a PCI IDE interface with support for
two IDE channels. Select Enabled to activate the primary and/or
secondary IDE interface. Select Disabled to deactivate this
interface, if you install a primary and/or secondary add-in IDE
interface.
On-Chip Secondary PCI IDE
The chipset contains a PCI IDE interface with support for two IDE
channels. Select Enabled to activate the secondary IDE interface.
Select Disabled to deactivate this interface.
The choices: Enable, Disable
IDE Primary/Secondary Master/Slave PIO
The four IDE PIO (Programmable Input/Output) fields let you set a
PIO mode (0-1) for each of the four 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, Mode 0, Mode 1, Mode 2, Mode 3, Mode 4.