PC 815
3
User
’
sManual
Phoeni
x
-Award
B
I
OS
Utility 43
Master/Slave
PIO
items
on
the
menu.
IDE
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
successively
increased
performance.
In
Auto
mode,
the
system
automatically
determines
the
best
mode
for
each
device.
IDE
Master/Slave
UDMA
Select
the
mode
of
operation
for
the
IDE
drive.
Ultra
DMA-
33/66/100/133
implementation
is
possible
only
if
your
IDE
hard
drive
supports
it
and
the
operating
environment
includes
a
DMA
driver.
If
your
hard
drive
and
your
system
software
both
support
Ultra
DMA-33/66/100/133,
select
Auto
to
enable
UDMA
mode
by
BIOS.
SATA
Mode
There
are
these
options
for
you
to
set
up
SATA
mode:
IDE,
RAID
or
AHCI.
NOTE
ICH8DO
supports
AHCI
under
Microsoft
Windows
VISTA
and
Microsoft
Windows
XP.
ICH8
only
supports
AHCI
under
Microsoft
Windows
VISTA.
LEGACY
Mode
Support
Legacy
mode
support
allows
devices
to
function
in
an
operating
environment
that
is
not
USB-aware.
Press
<Esc>
to
return
to
the
Integrated
Peripherals
page.