vInternal PCI/IDE
This option is used to set the ports of onboard IDE.
vIDE Primary/ Secondary Master/Slave PIO
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.
vPrimary/Secondary Master/Slave UltraDM
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.
vIDE DMA transfer access
This option is used to enable or disable IDE DMA transfer access.
vIDE Burst Mode
This option is used to enable or disable IDE burst mode.
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Chapter 3
SIS OnChip IDE Device Menu
BIOS Description