Chapter 3 BIOS Description
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IDE 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 best or select a PIO mode from 0-4.
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IDE Primary/Secondary Master/Slave UDMA
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.
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On-chip Secondary PCI IDE
Use this item to enable or disable the Secondary PCI IDE channel that is
integrated on the motherboard.
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On-Chip Serial ATA
This option is used to set the On-chip Serial ATA function. When it is set to
Disabled, the function will be disabled; when it is set to Auto, the BIOS will
enable the function automatically; with it set to Combined Mode, four HDDs at
most will be supported; with it set to Enhanced Mode, six HDDs at most will be
supported (for those under Windows 2000 and Windows XP only); with it set to S-
ATA Only, only the S-ATA HDD can be used.
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Serial ATA Port 0/1 Mode
This option is used to set the Serial ATA Port 0/1 Mode
—
with it set to Primary
Master/Slave, the Primary IDE cannot be used, supporting the IDE/SATA boot;
with it set at Secondary Master/Slave, the Secondary IDE is inapplicable,
supporting the IDE/SATA boot; with it set at Primary/Secondary Master, the
SATA HDD can act as the primary or secondary drive in such case when the
SATA Only is selected; with it set at SATA 0/1 Master, it is used to select the
SATA HDD port when the SATA Enhanced Mode is selected.
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