Understanding
the
LEDs
On
the
fron
t
of
the
system
unit
is
a
b ezel
do or.
When
the
do or
is
closed,
v
e
LEDs
can
b e
viewed
through
small
\windows".
Beside
eac
h
windo
w
is
a
sym
b ol
indicating
the
meaning
asso
ciated
with
the
activity
of
eac
h
LED.
T
able
2-1.
LED
Symbols
and
Their
Meanings
Symb ol
LED
Activit
y
Meaning
On/O
P
o
w
er
on/p
o
w
er
o
Flashing
T
ransmitting
to
LAN
Flashing
Receiving
from
LAN
Flashing
Disk
activity
Slow
ash
System
\heartb eat"
Note
If
the
\heartb
eat"
LED
remains
o
or
on
for
a
long
p erio
d
of
time,
it
may
mean
that
y
ou
system
is
\h
ung"
(incapable
of
further
pro cessing).
See
Chapter
6
for
suggestions
on
ho
w
to
deal
with
this
condition.
2-6
Y
our
HP
Apollo
9000
Model
720/730
W
orkstation
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 ...