Protecting
Y
our
Programs
and
Data
Y
our
programs
and
data
are
of
great
v
alue,
and
y
ou
should
ha
v
e
pro cedures
in
place
to
make
p erio
dic
copies
of
them
on
other
media,
suc
h
as
D
A
T
tap
e.
Suc
h
a
cop
y
of
y
our
le
system
is
called
a
bac
kup.
There
are
t
w
o
kinds
of
bac
kups:
Disk
image
A
sp ecial
tap
e
con
taining
an
exact
bit-for-bit
cop
y
of
y
our
disk(s).
In
the
ev
en
t
of
a
le
system
failure
that
prev
en
ts
y
ou
from
b o oting
or
logging
in
to
y
our
w
orkstation,
y
ou
can
b o ot
the
secondary
loader
from
the
image
tap
e
and
cop
y
the
sa
v
ed
disk
image
to
y
our
disk.
A
disk
image
of
y
our
preinstalled
soft
w
are
w
as
deliv
ered
on
the
supp ort
tap
e
that
came
with
y
our
w
orkstation.
It
is
in
tended
to
b e
used
only
if
y
our
system
fails
to
op erate
when
y
ou
rst
turn
it
on.
F
or
instructions
on
its
use,
see
\T
roublesho oting
the
Up date
Pro
cess".
Y
ou
can
also
make
y
our
o
wn
disk
images.
See
\Creating
a
Disk
Image"
for
instructions.
Bac
kup
tap e
A
tap
e
that
con
tains
copies
of
some
or
all
of
the
les
on
y
our
w
orkstation.
The
bac
kup
tap
e
diers
from
the
disk
image
in
three
w
a
ys:
A
bac
kup
tap
e
need
not
con
tain
all
the
les
on
y
our
system,
and
les
may
b e
copied
to
or
from
it
one
at
a
time.
This
is
not
p ossible
with
a
disk
image.
It
is
a
m
uc
h
more
exible
to
ol
for
maintaining
the
securit
y
of
y
our
data.
A
bac
kup
tap
e
is
made
with
the
fbackup
utility
,
and
it
is
restored
with
the
frecover
utilit y
.
A
disk
image
is
made
with
the
dd
command
(see
\Creating
a
Disk
Image"),
and
it
is
restored
to
disk
with
a
sp ecial
pro cedure
describ ed
in
\Reco
v
ering
a
Disk
from
an
Image
Cop
y
Made
with
dd "
in
Chapter
6.
Y
ou
cannot
b o ot
y
our
system
from
a
bac
kup
tap
e.
Y
ou
can
start
y
our
system
only
from
a
b o otable
image
on
a
disk
or
on
Putting
New
Applications
on
Y
our
W
orkstation
4-19
Summary of Contents for Model 720 - Workstation
Page 2: ......
Page 3: ...1 January 1991 Edition 1 January 1991 Edition 1 1 1 ...
Page 8: ......
Page 13: ...Figure 2 3 System Unit Switch Locations Your HP Apollo 9000 Model 720 730 Workstation 2 5 ...
Page 15: ...Figure 2 4 LED Windows Your HP Apollo 9000 Model 720 730 Workstation 2 7 ...
Page 60: ......
Page 117: ...Figure 5 1 Core I O Card Removal Expanding Your Workstation and Replacing Its Parts 5 7 ...
Page 119: ...Figure 5 2 Processor Card Removal Expanding Your Workstation and Replacing Its Parts 5 9 ...
Page 121: ...Figure 5 3 SIMM Card Removal Expanding Your Workstation and Replacing Its Parts 5 11 ...
Page 123: ...Figure 5 4 Internal Disk Removal Expanding Your Workstation and Replacing Its Parts 5 13 ...
Page 129: ...Figure 5 7 VSC Interface Card Removal Expanding Your Workstation and Replacing Its Parts 5 19 ...
Page 131: ...Figure 5 9 Power Supply Removal Expanding Your Workstation and Replacing Its Parts 5 21 ...
Page 132: ......
Page 157: ...Troubleshooting 6 25 ...
