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PC 6170 User’s
Manual
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
”
.
Video BIOS Cacheable
This item
allows
you to change the
Video BIOS location from ROM
to
RAM. Video Shadow will increase the video speed.
Video RAM Cacheable
Selecting Enabled
allows
caching
of the
video BIOS ROM
at
C0000h to
C7FFFh, resulting in better video 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. The default value is
“
Disabled
”
.
Delayed Transaction
The
chipset has an embedded
32-bit posted write buffer
to
support
delay
transactions
cycles.
Select
Enabled
to
support
compliance
with
PCI
specification
version
2.1.
The
options
available
are
Enabled
and
Disabled.
AGP
Aperture Size (MB)
The field sets
aperture size
of the
graphics.
The aperture is
a portion
of
the PCI
memory address range
dedicated
for graphics memory
address
space. Host cycles that hit the aperture range are
forwarded to the AGP
without any translation. The options available are 4M, 8M, 16M, 32M,
64M,
128M and 256M.
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SBC83810 BIOS Setup