8. Press the handle firmlytoward the drive until the latch closes, securing the
drive in the bay.
9. Close and lock the system doors.
Turnthe keyswitch to the Locked position. This locks the system front doors,
preventing access to the power supply(s) and to the disk drive(s).
10.If you are performing a hot-plug installation,complete the software part of the
installation procedure.
For further information, see your Sun Enterprise 220R Server Owner’s Guide.

4.2.3 What Next

When you are ready to restart the system, be sure to run OpenBoot Diagnostics tests
to verify that the system functions correctly with the new partsyou havejust
installed. For additional information, see:
Section 7.6 “How to Use OpenBoot Diagnostics (OBDiag)” on page 195
Youmust also perform a reconfigurationboot so that your system is able to
recognize any new device(s). For additional information, see:
Section 2.3 “How to Initiate a Reconfiguration Boot” on page 58
4.3 How to Remove the Removable MediaAssembly (RMA)
Note - The removable media assembly can include a CD-ROM drive or a 4-mm tape
drive.

4.3.1 Before You Begin

Complete these tasks:
Section 2.1 “How to Power Off the System” onpage 54
Section 2.4 “How to Position the System for Service” on page 60
Section 2.6 “How to Remove the System Cover” on page 65
Section 2.8 “How to Avoid Electrostatic Discharge” on page 69
132 Sun Enterprise 220R Server Service Manual January 2000, Revision A