IBM x3500 User Guide - Page 30

System-board, external, connectors, Light, diagnostics, panel - cpu

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System-board external connectors The following illustration shows the external input/output connectors and the NMI switch on the system board. Mouse Keyboard Serial 1 (COM 1) LPT VGA USB 4 RJ45 USB 3 RJ45 NMI Serial 2 (COM 2) Light path diagnostics panel The following illustration shows the remind button and the LEDs on the light path diagnostics panel. The light path diagnostics panel is inside the server under the left-side cover and the error LEDs are also visible through the left-side cover. 1 POWER SUPPLY 2 CONFIG TEMP REMIND MEMORY DASD/ RAID FAN CPU S_ERR VRM PCI BUS SP BUS NMI SEE INSIDE COVER FOR MORE SERVICE INFORMATION Use the remind button on the light path diagnostic panel to acknowledge that an error has occurred without taking further action. When you push the remind button, the system error LED will flash every 2 seconds until the error is fixed. If another error occurs, the system error LED will then stop flashing and return to a solid on state. For more information about light path diagnostics, see the Problem Determination and Service Guide on the IBM System x Documentation CD. The following table lists the light path diagnostics LEDs, the problems that they indicate, and actions to solve the problems. 16 IBM System x3500 Type 7977: User's Guide

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System-board
external
connectors
The
following
illustration
shows
the
external
input/output
connectors
and
the
NMI
switch
on
the
system
board.
Mouse
Keyboard
Serial 1
(COM 1)
VGA
LPT
Serial 2
(COM 2)
USB 4
RJ45
RJ45
NMI
USB 3
Light
path
diagnostics
panel
The
following
illustration
shows
the
remind
button
and
the
LEDs
on
the
light
path
diagnostics
panel.
The
light
path
diagnostics
panel
is
inside
the
server
under
the
left-side
cover
and
the
error
LEDs
are
also
visible
through
the
left-side
cover.
CPU
VRM
S_ERR
MEMORY
DASD/
RAID
NMI
SP BUS
FAN
POWER
SUPPLY
PCI
BUS
2
1
CONFIG
TEMP
REMIND
SEE INSIDE COVER FOR MORE SERVICE INFORMATION
Use
the
remind
button
on
the
light
path
diagnostic
panel
to
acknowledge
that
an
error
has
occurred
without
taking
further
action.
When
you
push
the
remind
button,
the
system
error
LED
will
flash
every
2
seconds
until
the
error
is
fixed.
If
another
error
occurs,
the
system
error
LED
will
then
stop
flashing
and
return
to
a
solid
on
state.
For
more
information
about
light
path
diagnostics,
see
the
Problem
Determination
and
Service
Guide
on
the
IBM
System
x
Documentation
CD.
The
following
table
lists
the
light
path
diagnostics
LEDs,
the
problems
that
they
indicate,
and
actions
to
solve
the
problems.
16
IBM
System
x3500
Type
7977:
User’s
Guide