The updatexpress program, Server controls, leds, and power, Front view – IBM 4190 User Manual
Page 22: Update xpress, Program, Server, Controls, Leds, Power, Front
The
UpdateXpress
program
The
UpdateXpress
program
is
available
for
most
System
x
servers
and
optional
devices.
It
detects
supported
and
installed
device
drivers
and
firmware
in
the
server
and
installs
available
updates.
You
can
download
the
UpdateXpress
program
from
the
Web
at
no
additional
cost,
or
you
can
purchase
it
on
a
CD.
To
download
the
program
or
purchase
the
CD,
go
to
Additional
information
about
UpdateXpress
is
available
from
the
System
x
and
xSeries
Tools
Center
at
Server
controls,
LEDs,
and
power
This
section
describes
the
controls
and
light-emitting
diodes
(LEDs)
and
how
to
turn
the
server
on
and
off.
Note:
The
illustrations
in
this
document
show
the
3.5-inch
hard
disk
drive
models,
unless
specifically
indicated
otherwise.
Front
view
The
following
illustration
shows
the
controls,
light-emitting
diodes
(LEDs),
and
connectors
on
the
front
of
the
server.
Power-on LED
Power-control button
Reset button
Hard disk drive activity LED
Locator LED
System-error LED
USB 1 connector
USB 2 connector
CD-eject button
CD drive activity LED
Power-on
LED:
When
this
LED
is
lit
and
not
flashing,
it
indicates
that
the
server
is
turned
on.
When
this
LED
is
flashing,
it
indicates
that
the
server
is
turned
off
and
still
connected
to
an
ac
power
source.
When
this
LED
is
off,
it
indicates
that
ac
power
is
not
present,
or
the
power
supply
or
the
LED
itself
has
failed.
Note:
If
this
LED
is
off,
it
does
not
mean
that
there
is
no
electrical
power
in
the
server.
The
LED
might
be
burned
out.
To
remove
all
electrical
power
from
the
server,
you
must
disconnect
the
power
cord
from
the
electrical
outlet.
Power-control
button:
Press
this
button
to
turn
the
server
on
and
off
manually.
A
power-control-button
shield
comes
installed
around
the
button
to
prevent
the
server
from
being
turned
off
accidentally.
You
can
remove
this
disk-shaped
shield
if
you
prefer.
Reset
button:
Press
this
button
to
reset
the
server
and
run
the
power-on
self-test
(POST).
You
might
have
to
use
a
pen
or
the
end
of
a
straightened
paper
clip
to
press
the
button.
Hard
disk
drive
activity
LED:
When
this
LED
is
flashing,
it
indicates
that
a
hard
disk
drive
is
in
use.
8
IBM
System
x3250
M2
Types
4190
and
4194:
User’s
Guide