IBM 8671 User Manual - Page 23

Operator, information, panel

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PCI-X slot attention LED: This green LED flashes approximately once per second when it is on. This LED is visible from the rear of the server and from inside the server. The meaning of the attention LED is defined by your operating system. For an illustration showing this LED on the system board, see the Option Installation Guide on the IBM xSeries Documentation CD. For additional information, see the "LEDs for Active PCI slots" in the Hardware Maintenance Manual and Troubleshooting Guide on the IBM xSeries Documentation CD. NMI button: The Non-Maskable Interrupt (NMI) button is for service use only. DC power LED: This green LED provides status information about the power supply. During typical operation, both the ac and dc power LEDs are on. For any other combination of LEDs, see the Hardware Maintenance Manual and Troubleshooting Guide on the IBM xSeries Documentation CD. AC power LED: This green LED provides status information about the power supply. During typical operation, both the ac and dc power LEDs are on. For any other combination of LEDs, see the Hardware Maintenance Manual and Troubleshooting Guide on the IBM xSeries Documentation CD. Operator information panel The following illustration shows the status LEDs on the operator information panel on the front of the server. Power-on POST- Hard disk drive Information LED complete LED activity LED LED OK /TX 1 RX Ethernet transmit/ receive activity LED Systemerror LED Important: If the power-on LED is off, it does not mean there is no electrical current present in the server. The LED might be burned out. To remove all electrical current from the server, you must unplug the server power cords from the electrical outlets or from the uninterruptible power device. Power-on LED: When this green LED is on, power is present in the server. When this LED flashes, the server is in Standby mode (the system operating system is turned off and ac current is present). When this LED is off, the power subsystem, the ac power, or an LED has failed. POST-complete LED: This green LED is on when POST is completed without any errors. Hard disk drive activity LED: This green LED flickers when there is activity on a hard disk drive. Information LED: When this amber LED is on, the server power supplies are nonredundant, or some other noncritical event has occurred. The event is recorded in the Error log. See "Choices available from the Configuration/Setup main menu" on page 16 for instructions for viewing the Error log. Check the diagnostic LED panel for more detailed information (see the Hardware Maintenance Manual and Troubleshooting Guide on the IBM xSeries Documentation CD). Chapter 1. Introducing the IBM xSeries 235 Type 8671 server 11

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PCI-X
slot
attention
LED:
This
green
LED
flashes
approximately
once
per
second
when
it
is
on.
This
LED
is
visible
from
the
rear
of
the
server
and
from
inside
the
server.
The
meaning
of
the
attention
LED
is
defined
by
your
operating
system.
For
an
illustration
showing
this
LED
on
the
system
board,
see
the
Option
Installation
Guide
on
the
IBM
xSeries
Documentation
CD.
For
additional
information,
see
the
“LEDs
for
Active
PCI
slots”
in
the
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
on
the
IBM
xSeries
Documentation
CD.
NMI
button:
The
Non-Maskable
Interrupt
(NMI)
button
is
for
service
use
only.
DC
power
LED:
This
green
LED
provides
status
information
about
the
power
supply.
During
typical
operation,
both
the
ac
and
dc
power
LEDs
are
on.
For
any
other
combination
of
LEDs,
see
the
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
on
the
IBM
xSeries
Documentation
CD.
AC
power
LED:
This
green
LED
provides
status
information
about
the
power
supply.
During
typical
operation,
both
the
ac
and
dc
power
LEDs
are
on.
For
any
other
combination
of
LEDs,
see
the
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
on
the
IBM
xSeries
Documentation
CD.
Operator
information
panel
The
following
illustration
shows
the
status
LEDs
on
the
operator
information
panel
on
the
front
of
the
server.
TX
RX
OK
1
Power-on
LED
POST-
complete LED
Hard disk drive
activity LED
Information
LED
System-
error LED
Ethernet transmit/
receive activity LED
/
Important:
If
the
power-on
LED
is
off,
it
does
not
mean
there
is
no
electrical
current
present
in
the
server.
The
LED
might
be
burned
out.
To
remove
all
electrical
current
from
the
server,
you
must
unplug
the
server
power
cords
from
the
electrical
outlets
or
from
the
uninterruptible
power
device.
Power-on
LED:
When
this
green
LED
is
on,
power
is
present
in
the
server.
When
this
LED
flashes,
the
server
is
in
Standby
mode
(the
system
operating
system
is
turned
off
and
ac
current
is
present).
When
this
LED
is
off,
the
power
subsystem,
the
ac
power,
or
an
LED
has
failed.
POST-complete
LED:
This
green
LED
is
on
when
POST
is
completed
without
any
errors.
Hard
disk
drive
activity
LED:
This
green
LED
flickers
when
there
is
activity
on
a
hard
disk
drive.
Information
LED:
When
this
amber
LED
is
on,
the
server
power
supplies
are
nonredundant,
or
some
other
noncritical
event
has
occurred.
The
event
is
recorded
in
the
Error
log.
See
“Choices
available
from
the
Configuration/Setup
main
menu”
on
page
16
for
instructions
for
viewing
the
Error
log.
Check
the
diagnostic
LED
panel
for
more
detailed
information
(see
the
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
on
the
IBM
xSeries
Documentation
CD).
Chapter
1.
Introducing
the
IBM
xSeries
235
Type
8671
server
11