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Phoeni
x
-A
w
ard
B
I
OS
U
t
ilit
y
41
PC817 User
’
2
s
Manua
l
3.7
Advanced
Chipset
Features
This
section
contains
completely
optimized
chipset’s
f
eatures
on
the
board
t
hat
you
are
strongly
recommended
t
o
leave
all
items
on
t
his
page
a
t
their
default
values
unless
you
are
very
f
amiliar
with
t
he
t
echnical
specifications
of
your
sys
t
em
hardware
.
a
System
BIOS
Cacheable
Selecting
Enabled
allows
caching
of
the
sys
t
em
BIOS
ROM
at
F0000h-FFFFFh,
resulting
in
better
system
performance
.
However,
if
any
program
writes
t
o
t
his
memory
area,
a
system
error
may
result.
The
default
value
is
“Disabled”
.
a
Memory
Hole
At
15M-16M
You
can
reserve
t
his
area
of
system
memory
for
ISA
adapter
ROM.
When
t
his
area
is
reserved,
it
cannot
be
cached.
The
user information
of
peripherals
t
hat
need
to
use
t
his
area
of
system memory
usually
discusses
their
memory
requirements
.