Справочник Пользователя для IBM Type 7977
Light
path
diagnostics
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
RAID
NMI
SP BUS
FAN
POWER
SUPPLY
SUPPLY
PCI
BUS
BUS
2
1
CONFIG
TEMP
REMIND
SEE INSIDE COVER FOR MORE SERVICE INFORMATION
Press
the
remind
button
on
the
light
path
diagnostics
panel
to
acknowledge
that
an
error
has
occurred
but
indicate
that
you
will
not
take
immediate
action.
When
you
press
the
remind
button,
the
system-error
LED
flashes
every
2
seconds
until
the
error
is
corrected.
If
another
error
occurs,
the
system-error
LED
stops
flashing
and
is
lit
again.
For
more
information
about
light
path
diagnostics,
see
the
Problem
Determination
and
Service
Guide
on
the
IBM
System
x
Documentation
CD.
Diagnosing
problems
using
light
path
diagnostics
LEDs
in
three
locations
on
the
server
are
available
to
help
you
diagnose
problems
that
might
occur
during
installation.
Use
them
in
the
following
order:
1.
LEDs
on
the
front
of
the
server:
Look
at
the
front
of
the
server.
If
a
system
error
has
occurred,
the
system-error
LED
on
the
front
of
the
server
is
lit.
2.
LEDs
on
the
left-side
cover:
There
are
13
LEDs
and
a
system
service
label
on
the
left-side
cover.
Note
the
lit
LEDs
and
follow
the
instructions
on
the
system
service
label.
3.
LEDs
on
the
system
board:
To
identify
the
component
that
is
causing
the
error,
note
the
lit
LED
next
to
the
component.
90
IBM
System
x3500
Type
7977:
Installation
Guide