FINAL
TRIM
SIZE
:
7.0
in
x
8.5
in
1
Graphics
Supported
graphics
upgrades
for
the
Mo
dels
747i/50
and
747i/100
are
as
follo
ws:
HP
A2269A:
Adds
dual
CRX-accelerated
color
graphic
b oard,
including
SGC
CRX
card,
and
t
w
o
19-in.
1280
X
1024
color
monitors.
HP
98768A:
CRX-accelerated
color
graphics
and
a
19-in.
1280
X
1024
color
monitor.
HP
A2262A:
Adds
dual
CRX-accelerated
color
graphic
b oard,
with
no
monitor.
HP
A2270A:
CRX-24
color
graphics
and
a
19-in.
1280
X
1024
color
monitor.
HP
A1439A:
CRX-24
color
graphics,
with
no
monitor.
SGC
graphics
option
op erate
concurren
tly
with
on-b oard
graphics.
The
Mo
dels
747i/50
and
747i/100
function
as
single
w
orkstations,
accepting
user
input
from
single
k
eyb oards,
but
deliv
ering
graphics
output
to
as
man
y
as
three
monitors.
The
Mo
dels
747i/50
and
747i/100
ha
v
e
only
one
SGC
in
terface.
Upgrade
pro ducts
may
not
b e
used
concurren
tly
.
The
745i/100
or
747i/100
systems
and
upgrades
are
congured
for
a
70
Hz
refresh
rate
monitor.
The
so
c
k
et-installed
75.0000
Mhz
crystal
for
the
fast
refresh
rate
display
is
iden
tied
as
P
art
Num
b er
18130940.
The
corresp onding
STI
R
OM
is
iden
tied
as
P
art
Num
b er
18185347.
Switches
for
Changing
Graphics
Formats
Note
that
b oth
on-b oard
graphics
and
CRX
upgrades
may
b e
used
concurren
tly
in
the
Mo
dels
747i/50
and
747i/99.
On
the
system
b oard,
four
switches
near
the
edge
are
used
to
congure
the
graphics
circuit
for
dieren
t
situations.
These
switches
ar
e
appr
opriately
set
for
your
monitor
as
shipp
e
d
fr
om
the
factory.
Ho
w
ev
er,
if
y
ou
should
c
ho ose
to
upgrade
y
our
system
with
a
dieren
t
HP
monitor,
the
follo wing
information
will
help
in
conguring
the
system
to
comm
unicate
appropriate
resolution
and
scan-rate.
1-6
Product
Description
DRAFT
2/5/97
11:31