IBM 847691U Hardware Maintenance Manual - Page 204

The Ethernet Activity light, Mbps or 100 Mbps.

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Symptom The Ethernet Activity light does not come on. Data is incorrect or sporadic. The Ethernet controller or adapter stopped working when another adapter was added to the server. The Ethernet controller or adapter stopped working without apparent cause. FRU/Action 1. Make sure the network device drivers are loaded. 2. Check all connections. 3. Try sending data from this workstation. 4. Use another Ethernet adapter (see "Installing or removing ISA and PCI adapters" on page 62). 5. Use another port on the hub. 6. Make sure that the hub port is configured for the correct speed (10 Mbps or 100 Mbps). 7. If duplex mode was forced, make sure a speed of 10 Mbps or 100 Mbps was forced. 8. If you manually configured the duplex mode, make sure that you also manually configured the speed. 9. System Board 1. Make sure that you are using Category 5 cabling when operating the server at either 10 Mbps or 100 Mbps. 1. Make sure that the cable is connected to the Ethernet adapter. 2. Make sure that the PCI system BIOS is current. 3. Reseat the adapter. 4. System Board 1. Reseat the adapter. 2. Try a different connector at the hub or switch. 3. The network device driver files might be missing or corrupted; 4. System Board 196 Netfinity Server HMM

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Symptom
FRU/Action
The Ethernet Activity light
does not come on.
1.
Make sure the
network device
drivers are loaded.
2.
Check all connections.
3.
Try sending data from
this workstation.
4.
Use another Ethernet
adapter (see “Installing
or removing ISA and
PCI adapters” on
page 62).
5.
Use another port on
the hub.
6.
Make sure that the hub
port is configured for
the correct speed (10
Mbps or 100 Mbps).
7.
If duplex mode was
forced, make sure a
speed of 10 Mbps or
100 Mbps was forced.
8.
If you manually
configured the duplex
mode, make sure that
you also manually
configured the speed.
9.
System Board
Data is incorrect or
sporadic.
1.
Make sure that you
are using Category 5
cabling when
operating the server
at either 10 Mbps or
100 Mbps.
The Ethernet controller or
adapter stopped working
when another adapter was
added to the server.
1.
Make sure that the
cable is connected to
the Ethernet adapter.
2.
Make sure that the PCI
system BIOS is
current.
3.
Reseat the adapter.
4.
System Board
The Ethernet controller or
adapter stopped working
without apparent cause.
1.
Reseat the adapter.
2.
Try a different
connector at the hub or
switch.
3.
The network device
driver files might be
missing or corrupted;
4.
System Board
196
Netfinity Server HMM