12
System
BIOS
Configuration
DX-6900
DX-6900
System
BlOS Configuration
13
Advanced
Setup
External
&
lnternal
Cache
Memory
Due
to
frequent
update
of
system
BIOs,
the
actual
options
available
in
your
system
board
BIOS
setups
may
vary
comparing
with
this
manual.
If
technicaly
necessary,
we
would
provide
a
special
insert
for
instruction
for
the difference
in
regard
to
any changes of the
BlOS
setup option.
These options allows
user
to enable or disable the on-board (External) and the on-
chip(Internal) cache
memories
(SRAM)
when special peripheral or software implemented
indicate
such
requirement. System over
all
speed
will
slow down considerably
if
these options
are
disabled.
Typematic
Rate
Programming
By
enabling
this
option,
the
user
can
select the
rate
at
which
a
keystroke
is
repeated
by
acjusting
options
"Typematic
Rate
Delay"
and
"Typematic
Rate".
Password
Checking
This
option
allow
a
password
be
set
up
so
that
a
password
wil
be
needed
to
enter
the
CMOS
Setup
or
to
boot the
system
including
entering
CMOS
Setup.
After
this
option
is
enabled, you
must
use
the
PASSWORD
icon
in
the security group to setup your password.
If
in
any case the password
is
lost or forgotten, the jumper
JP
1 Clear
CMOS
can
be used to
clear the configuration.
WARNING
-"JP 1"
will
clear and reset ALL and
EVERY
configuration parameters. Make
sure
you
know what you are doing or
ask
someone who do to
help
you.
Typematic Rate Delay & Typematic
Rate
When a
key
is
pressed and
held
down, the character appears
on
the screen and after a delay
set
by
the
"Typematic
Rate
Delay",
it
keeps
on
repeating
at
a
rate
set
by
the
"Typematic
Rate
value.
Usually,
these
options
are
adjusted
for
Network,
OS/2
or
other
similar
type
of
operating
system
when keyboard reaction become comparatively slow.
By
using
these options,
the
typematic
rate
can
be
adjusted
to
suit
individual
preference.
Virus
Warning
System
Keyboard
When keyboard
is
installed,
POST
routine
test keyboard, otherwise,
it
does not.
This
function,
If
enabled,
will
detects boot sector
viruses
and
warning
will
be
given
when a
program
attempted to
dhange
boot sector information.
Primary
Display
Video
&Adapter
ROM
Shadows
Select the
primary
display.
If
you
chose
"Not
Install",
the
system
will
ignore the
primary
display
while doing the
POST
test.
Video
and/r
adapters
ROM
shadowing
is
a
proaedure
in
which
BIOS
codes
from
peripheral(s)
adapter(s)
ROM
when present
are
copied
from
slower
ROM
to
faster
RAM.
The
BIOS
are
then
executed
from
the
faster
RAM.
Each
option
allows
for
a segment
of
16
KB
to
be
shadowed
from
ROM
to
RAM.
If
one
of
these
options
is
enabled,
and
there
is
BIOS present
in
that particular
16
KB
segment, the BlOS
will
be shadowed.
Extended BIOS
RAM
Area
The
AMI
BIOS
Setup
features
one
user-definable
hard
disk
type.
Nomally,
the
data
for
these
disk
types
are
stored at the
0:300
in
the
lower
system
RAM.
IDE
Block
Mode
If
a problem occurs
with
software
like
Netware
or
OS/2
or
similar
that
uses
lower
system
RAM,
this
data
can
be
loaded
at
the
upper
limit
of
the
DOS
shell(640K).
If
the
option
is
set
to
DOS
1K,
the
DOS
memory
is
shortened
to
639KB,
and
the
top
1KB
is
used
for
the
IDE
HDD
block
mode
transfer
allows
data
to
be
transferred
to
and
from
the
IDE
hard
dive
in
multiple sectors
at
a
time.
Most new
hard
drive and HD controller support
this
function, be
sure to check
with
the
hard
drive
and
hard
drive controller
manufacturers
before
using
this
option.
hard
disk
type storage.
Floppy
Drive
Seek
at
Boot
You
may
set
this
option
to
"Disabled"
to
allow
a
last
boot
and
to
reduce
the
possibility
of
damage
to
the
drives
heads.
IDE
LBA
Mode
and
IDE
32
Bit
Mode
These
2
options,
if
enabled
with
the
use
of
the
on-board
IDE
controler,
would
enhance
you
disk
sub-system
performance.
Most
new
hard
drives
should
support
these
functions,
be
sure
to
check with the
hard
drive
manufacturer
before
using
these options.
System
Boot
Up
Sequence
Video
Shadow
Before
Video
Init
The
system
may
be set to seek the operating
system
during power up either rom the
HopPy
drive
A:
or
from
the
hard
drive
C:
by
using
this
option.
Enabling
this
option
may
speed
up
the
boot
up
process
due
to
the
graphic
nature
of
the
WinBIOS.
This
option
may
be
disabled
if
video
problem
is
encountered
and
it
should
not
have any impact
on
the
system
pertormance alter boot-up.
