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x
-A
w
ard
B
I
OS
U
t
ilit
y
45
PC817 User
’
2
s
Manua
l
Mas
t
er/Slave
PIO
items
on
the
menu.
¤
I
DE
Master/Slave
PIO
The
f
our
I
DE
PIO
(Programmed
I
nput/Ou
t
put)
f
ields
le
t
you
se
t
a
PIO
mode
(0-4)
f
or
each
of
the
f
our
IDE
devices
t
hat
the
onboard
I
DE
interface
supports
.
Modes
0
t
o
4
provide
successively
increased
performance.
I
n
Auto
mode
,
the
system
automatically
determines
t
he
best
mode
f
or
each
device.
¤
I
DE
Master/Slave
UDMA
Select
the
mode
of
operation
for
the
I
DE
drive.
Ultra
DMA-
33/66/100/133
implementation
is
possible
only
if
your
I
DE
hard
drive
supports
it
and
the
operating
environment
includes
a
DMA
driver
. If
your
hard
drive
and
your
sys
t
em
so
ft
ware
both
support
Ultra
DMA-33/66/100/133,
selec
t
Auto
to
enable
UDMA
mode
by
BIOS.
¤
SATA
Mode
There
are
t
hese
options
f
or
you
to
set
up
SATA
mode:
I
DE,
RA
I
D
or
AHCI
.
NOTE
ICH8DO
supports
AHCI
under
Microsof
t
Windows
VISTA
and
Microsof
t
Windows
XP.
I
CH8
only
supports
AHCI
under
Microso
ft
Windows
VISTA.
¤
LEGACY
Mode
Support
Legacy
mode
support
allows
devices
t
o
function
in
an
operating
environmen
t
that
is
not
USB-aware.
Press
<Esc>
to
return
t
o
t
he
Integrated
Peripherals
page.