IBM 8688 ユーザーズマニュアル
Ethernet
controller
troubleshooting
chart
Use
the
following
troubleshooting
chart
to
find
solutions
to
10/100/1000
Mbps
Ethernet
controller
problems
that
have
definite
symptoms.
Ethernet
controller
problems
FRU/actions
The
server
stops
running
when
loading
device
drivers.
Check
the
following:
v
Make
sure
that
you
are
using
the
most
recent
device
driver
available
from
the
World
Wide
Web.
v
Reseat
or
replace
the
adapter.
Ethernet
link
status
LED
does
not
work.
Check
the
following:
v
Make
sure
that
the
hub
is
turned
on.
v
Check
all
connections
at
the
Ethernet
controller
and
at
the
hub.
v
Use
another
port
on
the
hub.
v
If
the
hub
does
not
support
auto-negotiation,
manually
configure
the
Ethernet
controller
to
match
the
hub.
v
If
you
manually
configured
the
Duplex
mode,
make
sure
that
you
also
manually
configure
the
speed.
v
Reseat
or
replace
the
adapter.
The
Ethernet
transmit/receive
activity
LED
does
not
work.
Check
the
following:
v
Make
sure
that
you
have
loaded
the
network
device
drivers.
v
The
network
might
be
idle.
Try
sending
data
from
this
server.
Data
is
incorrect
or
sporadic.
Check
the
following:
v
Make
sure
that
you
are
using
Category
5
or
higher
cabling
when
operating
the
server
at
100
Mbps
or
at
1000
Mbps.
v
Make
sure
that
the
cables
do
not
run
close
to
noise-inducing
sources
like
fluorescent
lights.
Ethernet
controller
messages
The
integrated
Ethernet
controller
might
display
messages
from
certain
device
drivers.
The
latest
information
available
concerning
these
messages
will
be
made
available
at
the
IBM
Support
Web
site
at
76
IBM
xSeries
450
Type
8688:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide