What Next - Sun Microsystems Enterprise 220R Service Manual

Ensure that each connector on the main logic board slides through the
corresponding cutout in the chassis back panel.
5. Replace the three screws securing the main logic board to the system back
panel.
6. Connect the following internal cables to the main logic board.
The connectors are keyed to connect in only one way. For information about cable
connector locations, see Section 5.5 "How to Connect the System Cables" on page
155.
a. Connect the main power cables to connectors J2902 and J2903.
b. Connect the CPU power sense cable to connector J2901.
c. Connect the UltraSCSI data cable to connector J1801.
3.14.3

What Next

Complete these tasks to reassemble the system:
4 Section 3.8 "How to Replace the NVRAM/TOD Module" on page 108
4 Section 3.12 "How to Replace the CPU Card Cage Assembly" on page 114
4 Section 3.10 "How to Replace the Air Guide" on page 111
4 Section 3.6 "How to Install a CPU Module" on page 102
4 Section 3.2 "How to Install a Memory Module" on page 90
4 Section 3.4 "How to Install a PCI Card" on page 97
4 Section 2.7 "How to Replace the System Cover" on page 67
When you are ready to restart the system, be sure to run OpenBoot Diagnostics tests
to verify that the system functions correctly with the parts you have just installed.
For additional information, see:
4 Section 7.6 "How to Use OpenBoot Diagnostics (OBDiag)" on page 195
You may also have to perform a reconfiguration boot so that your system is able to
recognize any new parts. For additional information, see:
4 Section 2.3 "How to Initiate a Reconfiguration Boot" on page 58
Servicing the Main Logic Board and Components
121