Foxconn 661M03 - Manual (Page 56)

Chapter 3 BIOS Description
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661M03 Series User Manual
Internal PCI/IDE (Default: Both)
This option is used to set the ports of onboard IDE. The available setting
values are: Disabled, Primary, Secondary and Both.
IDE Primary/ Secondary Master/Slave PIO (Default: Auto)
These four items let you assign which kind of PIO (Programmed Input/Output)
is used by IDE devices. Choose Auto to let the system auto detect which PIO
mode is the best or select a PIO mode from 0-4.
Primary/Secondary Master/Slave UltraDMA (Default: Auto)
UltraDMA technology provides faster access to IDE devices. If you install a
device that supports UltraDMA, change the appropriate item on this list to
Auto. The available setting values are: Disabled and Auto.
IDE DMA transfer access (Default: Enabled)
This option is used to enable or disable IDE DMA transfer access.
IDE Burst Mode (Default: Enabled)
This option is used to enable or disable IDE burst mode.
SIS OnChip IDE Device Menu
Audio Access Interface (Default: EDB Bus)
This option is used to set audio Access Interface. The available setting values
are: PCI Bus and EDB Bus.