Replacing the System Backplane Assembly
Installing and Replacing System Components
5-23
2. Insert the system backplane assembly into the enclosure, then slide it to the left
and beneath the retaining tab (number 2 in Figure 5-11).
The thumbscrews (number 3) on the assembly should line up with the screw holes
on the rear of the enclosure.
3. Tighten the two thumbscrews on the system backplane assembly to fasten it to the
system chassis.
4. If there is a system modem, attach it to the new system backplane assembly, as
follows:
a. Press the modem assembly firmly into the connector (Figure 5-27). The
modem connector is keyed to fit only the correct way.
b. Tighten the two captive screws (number 2 in Figure 5-27) on the modem
assembly to fasten it to the system backplane assembly.
c. Connect the phone line (number 3 in Figure 5-27) to the connector on the
modem assembly.
Do not return power to the system until you have
connected the modem.
5. Connect all of the cables to the system backplane assembly.
6. Return each CPU- I ⁄ O enclosure to its fully inserted position and tighten the
thumbscrews on the release levers.
7. Return the front panel to its fully inserted position and tighten its thumbscrew.
8. If you removed the CPU-I/O enclosure data cables, reconnect them.
9. Replace the power cord on each CPU- I ⁄ O enclosure.
10. Start the system.
11. Replace the bezel.
On Windows systems, when you replace a system backplane assembly with a new
assembly, you need to reset the Ethernet address (also known as the MAC address)
of any Ethernet team that includes embedded Ethernet PCI adapters. In addition, your
network administrator must update any network filtering or security settings that might
be based on the Ethernet addresses of any embedded Ethernet adapter, teamed or
non-teamed. For information about updating the Ethernet address of Ethernet teams,
see the ftServer system administrator’s guide. Also, a document shipped with every
replacement system backplane describes the required actions.
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