|
Software
Installation
47
System
must
be
restart
then
complete
the
installation.
5
4
LAN
Utility
&
Driver
Step
1:
To
install
the
LAN
driver,
insert
the
CD
ROM
into
the
CD
ROM
device,
and
enter
DRIVER>LAN>RTL8111C.
If
your
system
is
not
equipped
with
a
CD
ROM
device,
copy
the
LAN
driver
from
the
CD
ROM
to
CF.
Step
2:
Execute
setup.exe
file.
5
5
Watchdog
Timer
This
section
describes
how
to
use
the
Watchdog
Timer,
including
disabled,
enabled,
and
trigger
functions.
The
JetBox
is
equipped
with
a
programmable
time
‐
out
period
watchdog
timer.
You
can
use
your
own
program
to
Enabled
the
watchdog
timer.
Once
you
have
enabled
the
watchdog
timer,
the
program
should
trigger
the
I/O
every
time
before
the
timer
times
out.
If
your
program
fails
to
trigger
or
disable
this
timer
before
it
times
out,
e.g.
because
of
a
system
hang
‐
up,
it
will
generate
a
reset
signal
to
reset
the
system.
The
time
‐
out
period
can
be
programmed
to
be
set
from
1
to
255
seconds
or
minutes.
Watchdog
Timer
Setting
The
watchdog
timer
is
a
circuit
that
may
be
used
from
your
program
software
to
detect
system
crashes
or
hang
‐
ups.
The
watchdog
timer
is
automatically
disabled
