Program Memory; Memory Test - EXIDY FIRE ONE Instruction Manual

5.
Press
both
START
buttons
at
once and then the
FIRE button
to go to
the next self test.
PROGRAM MEMORY
1.
The
fourth
test automatically
does
a
checksum
comparison
on each program
in
ROM
or PROM.
2.
The screen
displays
a
map
of the daughter
PC
board with good PROMs shown
as green bars and bad
ones
shown
as
red bars.
The locations
of
PROMs
as displayed
on the screen
map correspond
to
their
location
on the daughter
PC board when
it
is in an upright, readable position.
3.
Press
the FIRE
button
to go
to
the next self
test
.
COLOR
(RAM) MEMORY TEST
1.
The fifth
test automatically
fills the screen
with
colorful patterns
that
do not have meaning.
The
patterns display
for less than
a
minute while
the color memory
is tested.
2.
After
the color memory
is
tested
the
patterns
are
removed from
the screen
and
a
PC
mother board
map
appears. the
locations
of RAMs
as displayed
on
the screen correspond
to
their location
on the PC
mother
board
when
it is in
an
upright, readable
position.
Good
memory
chips are
shown
as
green
bars and bad ones are red
.
3. Press
the FIRE
button
to go to the next self
test.
MAIN RAM TEST
1.
The
sixth
test also fills the
screen with black
and white patterns
that
do
not have meaning.
The
patterns display
for about three
minutes.
2.
After
the RAM
is
fully tested
a
mother
PC
board
map
appears
on the screen.
The locations
of
RAMs
as displayed
on
the screen correspond
to
their
locations
on the mother
PC board when
it is in an
upright,
readable position.
Good RAMs are shown
^s
green bars and bad ones are red
.
3.
Press
the FIRE button
to go to
the next self
test
.