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PC 815
3
User
’
s Manual
Phoeni
x
-Award
B
I
OS
Utility
39
3.7
Advanced
Chipset
Features
This
section
contains
completely
optimized
chipset
’s
features
on
the
board
that
you
are
strongly
recommended
to
leave
all
items
on
this
page
at
their
default
values
unless
you
are
very
familiar
with
the
technical
specifications
of
your
system
hardware.
System
BIOS
Cacheable
Selecting
Enabled
allows
caching
of
the
system
BIOS
ROM
at
F0000h-FFFFFh,
resulting
in
better
system
performance.
However,
if
any
program
writes
to
this
memory
area,
a
system
error
may
result.
The
default
value
is
“Disabled”.
Memory
Hole
At
15M-16M
You
can
reserve
this
area
of
system
memory
for
ISA
adapter
ROM.
When
this
area
is
reserved,
it
cannot
be
cached.
The
user
information
of
peripherals
that
need
to
use
this
area
of
system
memory
usually
discusses
their
memory
requirements.